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What is Flyweight design pattern? | Complete Tutorial with Java Examples
Full Video Link https://youtu.be/w2JitxSYMhc Hello friends, a new #video on #flyweight #design #pattern with #Java #example is published on #codeonedigest #youtube channel. Ultimate guide to flyweight #java design pattern. #flyweightdesignpattern #javade
What is Flyweight Design Pattern? Flyweight pattern provides a mechanism by which you can avoid creating a large number of âexpensiveâ objects and instead reuse existing instances to represent new ones. Flyweight pattern is useful in optimising the creation of too many objects by reusing the common data. Flyweight pattern reduce the creation of objects by sharing data, decrease memory footprintâŚ
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Hunting Gift Ideas Under $50
Finding the ideal gift for a hunter in your life can be difficult, especially if you're on a tight budget. Yet, with some thought and research, you may locate hunting gift suggestions that won't break the bank and are sure to please your friend or loved one. In this article, you will find some suggestions for $50 or less hunting presents.
List of Hunter Shirts Under $50
- Shirts Hunting shirts are a great gift idea for any hunting enthusiast. They provide protection from the sun, wind, and other elements while also helping to blend into the environment. Here are some examples of hunting shirts under $50 with details: - Under Armour Men's Tech 2.0 This shirt is made with UA Tech fabric, which is quick-drying and ultra-soft. It has anti-odor technology that prevents the growth of odor-causing microbes. The shirt is available in a variety of colors and has a loose, relaxed fit. - Mossy Oak Men's Cotton Mill 2.0 This shirt consists of 100% cotton material that is soft and comfortable. Its design is a classic button-up with a chest pocket for added convenience. It is available in various Mossy Oak camo patterns. - ScentLok Men's Lightweight Savanna The material for this shirt is lightweight polyester which wicks away moisture and dries quickly. It has built-in scent control technology that helps to keep the hunter undetected by prey. The shirt has a variety of camo patterns. - Gamehide Men's Deer Camp This shirt is made with soft and comfortable cotton material. It has a classic button-up design with a chest pocket for added convenience. The shirt comes in various camo patterns and solid colors. - Nomad Men's Cottonwood The material for this shirt is breathable cotton which is comfortable and durable. It has a button-up design with a chest pocket for added convenience. The shirt is available in various camo patterns. - Carhartt Men's Workwear Pocket This shirt consists of a durable cotton material that is comfortable and built to last. It has a chest pocket and classic button-up design. The shirt is available in solid colors and camo patterns. - Drake Waterfowl Men's Flyweight The material for making this shirt is a lightweight polyester material that is breathable and quick-drying. It has a button-up design and a chest pocket for added convenience. The shirt is available in various camo patterns. - Big BOWHUNTER This is another quality shirt with a catchy image and text. It can be worn to several places and will make whoever it is on stealing the attention of the crowd. Big Bowhunter is washable using a washing machine and is one shirt that will last for a long time. 2. Legging Hunting leggings are a must-have for any hunter looking for a comfortable and practical piece of clothing for their outdoor adventures. Below are examples of hunting leggings under $50 with details: - BALEAF Women's Athletic Leggings These leggings are made with moisture-wicking fabric that keeps the hunter cool and dry during their activities. They have a high-waist design that provides excellent coverage and support, and they come in a variety of colors and patterns. - TSLA Women's Thermal Leggings They consist of a thick, thermal fabric that provides insulation and warmth during colder hunting seasons. The design is high-waist thereby providing excellent coverage and support. In addition, they come in different colors and patterns. - Under Armour Women's ColdGear Authentic Leggings These leggings are made with a double-layer fabric that provides excellent insulation and warmth during cold weather. They have a high-waist design that provides excellent coverage and support, and they come in a variety of colors and patterns. - SITKA Gear Women's Core Lightweight Bottom It is a breathable, moisture-wicking fabric that keeps the hunter cool and dry during their activities. They have a high-waist design which enables users to have excellent coverage and support. They are sold in a variety of solid colors. - ArcticShield Women's Heat Echo Light Pant These leggings are made with a thermal fabric that provides excellent insulation and warmth during colder hunting seasons. Its high-waist design provides excellent coverage and support, and they have solid colors. - Kryptek Women's Valhalla II Camo Leggings These leggings have a stretchy, lightweight fabric that provides comfort and flexibility during hunting activities. They have a high-waist design that provides excellent coverage and support, and they come in a variety of Kryptek camouflage patterns. - Wildfowler Outfitter Women's Hunting Leggings Wildfowler Outfitter Women's Hunting Leggings are made with a stretchy, lightweight fabric that provides comfort and flexibility during hunting activities. They have a high-waist design that provides excellent coverage and support, and they come in a variety of solid colors and camouflage patterns. - Grim Reaper Bow Hunting Archery Deer skull camo custom Name Pants, Leggings It is a cotton made legging that offers style and comfort. It has a bold graphic that is sure to steal the attention of many wherever it goes. This leggings is washable using a washing machine. 3. Bedding Set The right bedding for hunting season is important for any hunting enthusiast. Giftng a quality bedding set that is also durable is an added bonus. The following are examples of hunting bedding sets under $50 with details: - Regal Comfort The Woods Black Camouflage Full 8pc Premium Luxury Comforter This bedding set includes a comforter, 2 pillow shams, a bedskirt, a fitted sheet, a flat sheet, and 2 pillowcases. The set features a black camouflage pattern, and the comforter is made with a soft and comfortable microfiber material. - Personalized Deer Matte Canvas This is one of the most beautiful bedding sets for less than $50. It gives users a cozy feeling, especially as it is made from cotton. Its beauty and stylishness will keep your bedroom looking bright and beautiful. - HiEnd Accents Bear Lodge Bedding Set HiEnd Accents Bear Lodge Bedding Set has a comforter, a bed skirt, and 2 pillow shams. The setâs pattern is a bear and forest on a beige background, and the comforter consists of a soft and comfortable microfiber material. - Realtree AP Mini Comforter Set This bedding set includes a comforter and 2 pillow shams. It has a Realtree AP Mini camouflage pattern on a beige background, and the comforter is made with a soft and comfortable microfiber material. - Bone Collector Comforter Set This bedding set comes with a comforter and 2 pillow shams. It has a Bone Collector logo on a black and white background, and the comforter is made with a soft and comfortable microfiber material. - HiEnd Accents Hunter Plaid Comforter Set This bedding set includes a comforter, a bed skirt, and 2 pillow shams. The set features a hunter-plaid pattern on a beige background, and the comforter is made with a soft and comfortable microfiber material. - Realtree Xtra Mini Comforter Set This bedding set features a comforter and 2 pillow shams. It has a Realtree Xtra Mini camouflage pattern on a beige background with its comforter consisting of a soft and comfortable microfiber material. - Mossy Oak Break-Up Infinity Comforter Set Mossy Oak Break-Up Infinity Comforter Set has a comforter and 2 pillow shams. The set features a Mossy Oak Break-Up Infinity camouflage pattern on a beige background, and the comforter is made with a soft and comfortable microfiber material. 4. Tumbler If you are looking for a durable and reliable tumbler for your friend or loved one to take to their next hunting trip, then it is pertinent to read further in this article. Here are examples of hunting tumblers under $50 with details: - Duck hunting tattoos black waterfowl camo Customize name Stainless Steel Tumbler Cup If you are searching for a good gift for a duck hunter, then you might need to give this tumbler some consideration. It is a stainless steel timbler cup with a simple design which makes it ideal for many hunters. For its price, it serves multiple functions hence the reason it makes a great gift. - Ozark Trail 30 oz. Vacuum Insulated Stainless Steel Tumbler This tumbler is made with stainless steel, features double-walled insulation, and can hold up to 30 ounces of your favorite beverage. It has a clear lid with a sliding closure and is available in a range of colors. - YETI Rambler 20 oz. Tumbler It consists of a stainless steel and features double-walled insulation. It can hold up to 20 ounces of liquid and comes with a clear, spill-proof lid. It's available in a variety of colors and finishes. - Mossy Oak 30 oz. Tumbler This tumbler consists of stainless steel and features double-walled insulation. It is capable of holding 30 ounces of liquid and comes with a clear, spill-proof lid. It features a Mossy Oak camouflage pattern. - Coleman FreeFlow Autoseal Insulated Stainless Steel Tumbler This tumbler has stainless steel and features double-walled insulation. It can hold up to 24 ounces of liquid and comes with a clear, spill-proof lid. It is sold in a range of colors. - Tervis Tumbler This tumbler is made with high-quality, BPA-free plastic and features double-walled insulation. It can hold up to 24 ounces of liquid and comes with a clear, spill-proof lid. It's available in a range of hunting-related designs. - Contigo SnapSeal Byron Vacuum-Insulated Stainless Steel Travel Mug This tumbler is made with stainless steel and consists of a double-walled insulation. It can hold up to 20 ounces of liquid and comes with a clear, snap-seal lid. It is available in various colors. - Hydro Flask 32 oz. Tumbler This tumbler is made with stainless steel and features double-walled insulation. It holds about 32 ounces of liquid and comes with a clear, spill-proof lid. It has a variety of colors and finishes. 5. Car Seat Cover For a hunter who frequently travels with a hunting gear, a car seat cover can be an excellent gift to protect their car seats from dirt, moisture, and wear and tear. Check out some examples of hunting car seat covers under $50 with details: - Mossy Oak Break-Up Infinity Camo Seat Covers These seat covers are made with a durable polyester fabric and feature a Mossy Oak Break-Up Infinity camo print. They are compatible with most car seats and come with a set of front and rear covers. - Browning Buckmark Seat Cover This seat cover is made with a durable polyester fabric and features a Browning Buckmark logo. It is compatible with most car seats and comes with a single cover for the front seat. - Deer Hunting Camo Custom Name Steering Wheel Cover This is a premium quality car seat cover that r beautifies car steering wheels and is comfortable to use. It features a graphic with text. This cover is durable and washable using a washing machine. - Mossy Oak Neoprene Seat Cover Mossy Oak Neoprene Seat Cover consists of a high-quality neoprene material that is water-resistant and durable. It features a Mossy Oak camo print and is compatible with most car seats. - Realtree Low Back Seat Cover This is a seat cover that consists of durable polyester fabric and features a Realtree camo print. It is compatible with most low-back car seats and comes with a single cover for the front seat. - Signature Products Group Browning Bench Seat Cover This seat cover consists of durable polyester fabric and features a Browning Buckmark logo. It is compatible with most bench-style car seats and comes with a single cover for the bench seat. - Mossy Oak Universal Bucket Seat Cover It is a seat cover with a durable polyester fabric and features a Mossy Oak camo print. It has great compatibility with most bucket-style car seats and comes with a single cover for the front seat. - Browning Mossy Oak Break-Up Infinity Low Back Seat Cover This seat cover is made with a durable polyester fabric and features a Mossy Oak Break-Up Infinity camo print. It is compatible with most low-back car seats and comes with a single cover for the front seat.
Conclusion
The products in this article are not only highly affordable but are quality. They are made with good materials that enable users to be comfortable while using them. As a gift, they are sure to impress especially because of their beauty and uniqueness. These are only a few quality gift ideas that cost lesser than $50 for hunters. Read the full article
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The Beginner's Guide to Design Patterns
To fully understand the importance of design patterns, let's start with an example -- when a user uses your product, how do they save their landing page, blog post, template, etc.? Do their projects auto-save, or do they need to press a "Save" button?
Let's say you choose auto-save. Great. Now, how much time do you have? Do you want to go into each individual page and code for the auto-save component, with a big potential for error?
Or do you want to use a design pattern to ensure each of your website pages saves the same way, without tedious effort on your part?
That's the value of design patterns.
Here, we'll explain what design patterns are, and provide lists of design patterns in Java, C# and .Net, so you can save valuable time and effort on your next design project.
Design patterns explained simply
At its most basic, design patterns are solutions to recurring problems.
In the UX world, then, a design pattern is a pre-prescribed solution to a common design problem. Essentially, it's a way of saying, "Here's how we typically solve for this problem, if you want to use our method."
Chelsea Bathurst, a Design Lead at HubSpot, puts it this way: "Basically, components are the foundation -- how does this thing look. Design patterns are how they work together."
Design patterns are undeniably useful. They allow designers to avoid "re-inventing the wheel", and because they are tried-and-true solutions from experienced designers, they are less risky than creating something from scratch.
There are three types of design patterns:Â
Creational design patterns: Regarding object creation mechanisms
Structural design patterns: Regarding Class and Object composition -- identifying relationships and patterns between components
Behavioral design patterns: Identifying communication patterns between Class objects
Next, let's take a look at our lists of design patterns in java, or C# and .NET, so you can begin applying them yourself.Â
Design patterns in Java
Factory Pattern
Abstract Factory Pattern
Singleton Pattern
Prototype Pattern
Builder Pattern
Adapter Pattern
Bridge Pattern
Composite Pattern
Decorator Pattern
Facade Pattern
Flyweight Pattern
Proxy Pattern
Chain Of Responsibility Pattern
Command Pattern
Interpreter Pattern
Iterator Pattern
Mediator Pattern
Memento Pattern
Observer Pattern
State Pattern
Strategy Pattern
Template Pattern
Visitor Pattern
Design patterns in C# and .NET
Abstract Factory Pattern
Builder Pattern
Factory Method Pattern
Prototype Pattern
Singleton Pattern
Adapter Pattern
Bridge Pattern
Composite Pattern
Decorator Pattern
Facade Pattern
Flyweight Pattern
Proxy Pattern
Chain Of Responsibility Pattern
Command Pattern
Interpreter Pattern
Iterator Pattern
Mediator Pattern
Memento Pattern
Observer Pattern
State Pattern
Strategy Pattern
Template Pattern
Visitor Pattern
Once you understand the uses of each of these design patterns, you can choose which ones will best fit your needs. However, it's critical you understand basic java, or C# and .NET programming concepts, to correctly apply these solutions. If you don't, begin by taking an introductory course before taking any next steps with these design patterns.
from Marketing https://blog.hubspot.com/marketing/design-patterns
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80% off #From 0 to 1: Design Patterns â 24 That Matter â In Java â $10
An intensely practical, deeply thoughtful and quirky look at 24 Design Patterns. Instructors are ex-Google, Stanford.
All Levels,  â 11.5 hours,  63 lecturesÂ
Average rating 4.2/5 (4.2 (100 ratings) Instead of using a simple lifetime average, Udemy calculates a courseâs star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.)
Course requirements:
There are no pre-requisites other than curiosity â about Design, about Patterns, about Life
Course description:
Prerequisites: Basic understanding of Java Taught by a Stanford-educated, ex-Googler, husband-wife team More than 50 real-world examples
This is an intensely practical, deeply thoughtful, and quirky take on 24 Design Patterns that matter.
Letâs parse that.
The course is intensely practical, bursting with examples â the more important patterns have 3-6 examples each. More than 50 real-world Java examples in total. The course is deeply thoughtful, and it will coax and cajole you into thinking about the irreducible core of an idea â in the context of other patterns, overall programming idioms and evolution in usage. The course is also quirky. The examples are irreverent. Lots of little touches: repetition, zooming out so we remember the big picture, active learning with plenty of quizzes. Thereâs also a peppy soundtrack, and art â all shown by studies to improve cognition and recall. Lastly, the patterns matter because each of these 24 is a canonical solution to recurring problems.
Whatâs Covered:
Decorator, Factory, Abstract Factory, Strategy, Singleton, Adapter, Facade, Template, Iterator, MVC, Observer, Command, Composite, Builder, Chain of Responsibility, Memento, Visitor, State, Flyweight, Bridge, Mediator, Prototype, Proxy, Double-Checked Locking and Dependency Injection. The only GoF pattern not covered is the Interpreter pattern, which we felt was too specialized and too far from todayâs programming idiom; instead we include an increasingly important non-GoF pattern, Dependency Injection. Examples: Java Filestreams, Reflection, XML specification of UIs, Database handlers, Comparators, Document Auto-summarization, Python Iterator classes, Tables and Charts, Threading, Media players, Lambda functions, Menus, Undo/Redo functionality, Animations, SQL Query Builders, Exception handling, Activity Logging, Immutability of Strings, Remote Method Invocation, Serializable and Cloneable, networking. Dependency Inversion, Demeterâs Law, the Open-Closed Principle, loose and tight coupling, the differences between frameworks, libraries and design patterns.
Talk to us!
Mail us about anything â anything! â and we will always reply
Full details Identify situations that call for the use of a Design Pattern Understand each of 24 Design Patterns â when, how, why and why not to use them Distill the principles that lie behind the Design Patterns, and apply these in coding and in life, whether or not a Design Pattern is needed Spot programming idioms that are actually built on Design Patterns, but that are now hiding in plain sight
Full details Yep! Engineers â from street-smart coders to wise architects â ought to take this course. After this class, youâll look at software design with a new pair of eyes. Yep! Product Managers ought to take this course â you will learn to understand the âhowâ of Software Design without being constrained by it. Yep! Technology executives and investors who donât write code ought to take this course â after this you will always have an intelligent point-of-view on software, and wonât find your eyes glazing over when its time to talk nitty-gritty Computer Science majors (undergrad or grad) â if you are among the folks that make âreal world example Observer Patternâ such a common search phrase on Google, this is precisely the place for you. Yep! Journalists, Wall Street types or IP lawyers seeking to understand recurring patterns of problems and solutions in technology. Yep! If you are prepping hard for software engineering interviews
Nope! This course is not right for you if you are looking for a Programming 101 course. Thatâs not because there are pre-requisites, but simply because a Programming 101 course focuses on syntax, and on doing, while this course focuses on design, and on thinking.
Full details
Reviews:
âWhile it is repetitious at times, a highly thought through and very well presented course.â (Phani)
âThe detailed explanations were extremely helpful to get a grip on the patterns. Especially nice was that patterns were compared and put into the context of other patterns where appropriate, and that a limited set of examples were used under different perspectives. However, in the first place I had expected to see more concrete instructions how to implement the patterns from scratch. Nevertheless, the course was really cool, thnx :)â (Markus Lommer)
âOne of the best Udemy course Iâve taken! The instructors are extremely knowledgeable, they understand that design patterns are not inherently trivial at first glance, and make the effort to break things down in a way that is easily accessible.â (Maurice McFarlane)
 About Instructor:
Loony Corn
Loonycorn is us, Janani Ravi, Vitthal Srinivasan, Swetha Kolalapudi and Navdeep Singh. Between the four of us, we have studied at Stanford, IIM Ahmedabad, the IITs and have spent years (decades, actually) working in tech, in the Bay Area, New York, Singapore and Bangalore. Janani: 7 years at Google (New York, Singapore); Studied at Stanford; also worked at Flipkart and Microsoft Vitthal: Also Google (Singapore) and studied at Stanford; Flipkart, Credit Suisse and INSEAD too Swetha: Early Flipkart employee, IIM Ahmedabad and IIT Madras alum Navdeep: longtime Flipkart employee too, and IIT Guwahati alum We think we might have hit upon a neat way of teaching complicated tech courses in a funny, practical, engaging way, which is why we are so excited to be here on Udemy! We hope you will try our offerings, and think youâll like them
Instructor Other Courses:
Learn by Example: JUnit Loony Corn, A 4-person team;ex-Google; Stanford, IIM Ahmedabad, IIT (0) $10 $20 Under the Hood: How Cars Work 25 Famous Experiments âŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚ Loony Corn coupons Development course coupon Udemy Development course coupon Software Engineering course coupon Udemy Software Engineering course coupon From 0 to 1: Design Patterns â 24 That Matter â In Java From 0 to 1: Design Patterns â 24 That Matter â In Java course coupon From 0 to 1: Design Patterns â 24 That Matter â In Java coupon coupons
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CS 635 Advanced Object-Oriented Design and Programming Assignment 4 Solved
CS 635 Advanced Object-Oriented Design and Programming Assignment 4Â Solved
Flyweight
In this assignment we will investigate the flyweight pattern. We will look at a flyweight for characters. The example in the text shows an example of an object-oriented word processor that uses objects to represent characters. One reason they represent characters as objects is that they use the Composite pattern to represent the contents of a document. Some of the contents, images forâŚ
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Hands-on â Ulysse Nardin Freak X Bucherer BLUE
The Freak is undoubtedly one of the most striking concepts of the 21st century (so far), and one of the most recognizable Ulysse Nardin watches ever. A concept watch made in series, it was also, back in 2001, a precursor in the field of silicon. Twenty years later, the concept is still alive, with the same innovative spirit and bold design. Bucherer has selected The Freak as its latest candidate for the Bucherer BLUE treatment and is based on the slightly more realistic Ulysse Nardin Freak X watch. An overview of an icon of modern watchmaking, the Bucherer way.
A sneak peek at the Freak
We have to move back to 2001 to recast our minds to a totally different context operating in the watchmaking industry. Twenty years ago, the watchmaking industry was not what it is today. The independent scene barely existed and concept watches, UFOs to be worn on the wrist, watches with original displays and innovative movements, were almost non-existent; production was mostly concentrated on traditional elegant or sports models.
One of the first examples of the Ulysse Nardin Freak when it was introduced in 2001 â source: watchprosite.com
2001 marked a turning point when a well-established brand, Ulysse Nardin, created a watch that looked like nothing weâd seen before, which displayed the time like no other watch and utilized a material that, until then, was used in laboratories only. The Freak was and still is one of the most disruptive models of the last 20 years. In 2001 the Ulysse Nardin Freak was the very first watch to incorporate an escapement made of silicon. A non-magnetic, non-lubricated and efficient material that would definitively change the industry. This material also implied new manufacturing technologies, such as LIGA or 3D printing (in the most recent developments).
The Ulysse Nardin FreakLab, one of the major evolutions on the Freak concept, launched in 2015.
The look of the watch and the way it displayed the time were also unprecedented and almost shockingly bold. Most of the movement â regulating organ and wheel for the time display â were positioned dial-side, in a baguette-shaped carrousel â a sort of one-hour tourbillon â which also served as a minute hand. The watch was also crown-less, complex in shape, large, provocative⌠This watch became a UN flagship to display its new technologies â something that was possible thanks to Ludwig Oechslin. The Freak also inaugurated the Dual Ulysse escapement, the Dual Ulysse silicium escapement, the Dual Constant Escapement (as a concept), the Grinder Automatic Winding System and the Anchor Escapement, or the Freak NeXt 3D Flying Oscillator.
The Ulysse Nardin Freak NeXt, a concept watch used to display the revolutionary escapement invented by the brand.
In 2019, the brand decided to offer a more accessible â but certainly not watered-down â version of the Freak concept, with the Freak X. Smaller, slightly simpler mechanically speaking, automatic and equipped with a conventional crown, it was nevertheless a very powerful watch with a cutting-edge regulating organ⌠and of course a myriad of silicon parts.
The Ulysse Nardin Freak X Bucherer BLUE
The Freak X is a slightly more realistic vision of the original Freak concept, and if it makes some technical concessions, it retains whatâs most important (the baguette movement, the innovative materials, the overall look) and adapts some parts to make it both easier to live with and (quite important) more accessible.
While previous Freak watches relied on specific base movement architectures, the Ulysse Nardin Freak X takes the best of both the calibre UN-118 (UNâs classic automatic movement) and the Freak Vision Calibre UN-250 (used in the 2018 Freak Vision). This means the elimination of the Ulysse Nardin Anchor constant escapement, the grinder automatic system and the silicon gear train. Still, it retains a very complex silicon balance wheel, the unique display with a one-hour carrousel indicating the minutes and, first time for a Freak, it has a crown to wind/adjust the movement.
The heart of the calibre UN-230 is the signature element of all Freak watches, the baguette-shaped carrousel, which comprises the balance, the escapement and a series of gears to result in a unique time-indicating device. This element rotates on itself once per hour and is used to display the minutes. Certainly, the concept has been slightly simplified, but it isnât simple either. Oversized and ultra-visible, the balance wheel has a unique design. It is crafted from silicon and features nickel flyweights and stabilising micro-blades, optimizing chronometry and reducing aerodynamic perturbations. Its lightweight shape and the purple/blue reflections over the silicon are simply fascinating and add to the technicality of this watch.
The rest of the display consists of a large wheel positioned over the movementâs mainplate, this time used to indicate the hours. To provide energy to this complex architecture, Ulysse Nardin relies on its cornerstone base movement, the calibre UN-118, which is used to provide energy to the carousel. This movement is automatic, with a classic central rotor and is operated traditionally, with a two-position crown. With 72 hours of power reserve, it is powerful enough and its architecture makes it easier to maintain in the long run.
Now that weâve seen the basics behind the Freak X concept, it is time to look at the watch in question, which is a new member is the growing âBucherer BLUEâ family. Bucherer, the worldâs largest watch retailer, with presence all over Europe and recently in the US, has long-term partnerships with multiple brands and as such, has the ability to create its own, blue-coloured versions of well-established models.
The recurring theme for this Bucherer BLUE collection consists, most of the time, of blue dials. But here, itâs a Freak, meaning no dial per se. Blue is thus used as a contrasting colour to highlight certain elements of the watch. For this Ulysse Nardin Freak X Bucherer BLUE, both parties went for a bold and technical-looking case, mixing Carbonium (for the lateral elements) and black DLC-coated titanium (for the central case).
Carbonium is a next-generation carbon composite that is robust, resilient, super-light and sustainable; it has 40% less environmental impact than other composites and is produced using âdiscardedâ materials from the aviation industry. The production is done at high pressure and temperature, creating a non-uniform and non-geometric pattern, with a marbled surface â almost organic-looking. Furthermore, this pattern will be unique to each watch.
Despite the robust dimensions of the case, measuring 43mm in diameter, this Ulysse Nardin Freak X Bucherer BLUE is not only extremely comfortable on the wrist â Carbonium is light and pleasant to the skin â but the case is well designed making this watch more compact than youâd expect. The profile is slender and slimmed down thanks to a box-shaped sapphire crystal (absorbing most of the movementâs height). The watch is worn on a perforated black leather strap with folding clasp.
The black-and-blue colour scheme, unique to this Bucherer edition, works perfectly in this technical and modern context and can be seen all over the watch, as the movement is also black coated and has multiple blue elements. All in all, Bucherer and Ulysse Nardin might have created the best-looking Freak X to date.
Availability and price
The Ulysse Nardin Freak X Bucherer BLUE is a limited edition of 88 pieces available exclusively from Bucherer both in stores and on the retailerâs e-commerce website. It is priced at CHF 24,900, GPB 22,650 or EUR 24,900.
For more information visit www.bucherer.com.
The post Hands-on â Ulysse Nardin Freak X Bucherer BLUE appeared first on Wristwatch Journal.
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Structural Design Patterns
Structural patterns provide different ways to create a class structure, for example using inheritance and composition to create a large object from small objects. Following design patterns come under this category. Adapter Pattern Composite Pattern Proxy Pattern Facade Pattern Bridge Pattern Decorator Pattern Flyweight Pattern Also code for all examples is available on GitHub on below link â DesignPattern Examples Read the full article
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Discover the modern implementation of design patterns with C# and .NET
What youâll learn
Recognize and apply design patterns
Refactor existing designs to use design patterns
Reason about applicability and usability of design patterns
Requirements
Good understanding of C#
Familiarity with latest C# features
Good understanding of object-oriented design principles
Description
Course Overview
This course provides a comprehensive overview of Design Patterns in C# and .NET from a practical perspective. This course in particular covers patterns with the use of:
The latest versions of C# and the .NETÂ framework
Use of modern programming approaches:Â dependency injection, reactive programming and more
Use of modern developer tools such as ReSharper
Discussions of pattern variations and alternative approaches
This course provides an overview of all the Gang of Four (GoF)Â design patterns as outlined in their seminal book, together with modern-day variations, adjustments, discussions of intrinsic use of patterns in the language.
What are Design Patterns?
Design Patterns are reusable solutions to common programming problems. They were popularized with the 1994 book Design Patterns: Elements of Reusable Object-Oriented Software by Erich Gamma, John Vlissides, Ralph Johnson and Richard Helm (who are commonly known as a Gang of Four, hence the GoF acronym).
The original book was written using C++Â and Smalltalk as examples, but since then, design patterns have been adapted to every programming language imaginable:Â C#, Java, PHP and even programming languages that arenât strictly object-oriented, such as JavaScript.
The appeal of design patterns is immortal:Â we see them in libraries, some of them are intrinsic in programming languages, and you probably use them on a daily basis even if you donât realize they are there.
What Patterns Does This Course Cover?
This course covers all the GoF design patterns. In fact, hereâs the full list of what is covered:
SOLID Design Principles: Single Responsibility Principle, Open-Closed Principle, Liskov Substitution Principle, Interface Segregation Principle and Dependency Inversion Principle
Creational Design Patterns: Builder, Factories (Factory Method and Abstract Factory), Prototype and Singleton
Structrural Design Patterns: Adapter, Bridge, Composite, Decorator, Façade, Flyweight and Proxy
Behavioral Design Patterns: Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Null Object, Observer, State, Strategy, Template Method and Visitor
Who Is the Course For?
This course is for .NET/C#Â developers who want to see not just textbook examples of design patterns, but also the different variations and tricks that can be applied to implement design patterns in a modern way. For example, the introduction of the DLRÂ allows us to use an ImpromptuObject, so that our DynamicObject exposes any interface we desire. This allows for dynamic programming, and many design patterns are presented in terms of their static and DLR-based variations.
Presentation Style
This course is presented as a (very large) series of live demonstrations being done in Microsoft Visual Studio. Most demos are single-file, so you can download the file attached to the lesson and run it in Visual Studio, Visual Studio Code, Rider or another IDE of your choice.
This course does not use UML class diagrams; all of demos are live coding. I use Visual Studio, various NuGet packages, R# unit test runner and even dotMemoryUnit.
Who this course is for:
Beginner and experienced developers
Anyone interested in design patterns
Created by Dmitri Nesteruk Last updated 3/2019 English English [Auto-generated]
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Functionality by Design
Overview of Software Design Patterns Tuesday, November 19 2019 Software developers have to fulfill several requirements including creating simple public interfaces, establishing relationships between classes and exposing inheritance hierarchies. They need to make sure that software is reusable, extensible, operational and legible. Software design patterns are reusable general solutions to commonly recurring problems and developers have realized that by molding their software according to these tried and tested design patterns it is easier for them to achieve their goals. Design patterns dictate how classes and other objects interact with each other. They comprise of a name, a description of the problem that the pattern aims to solve, the solution to the problem and a breakdown of the consequences of using the design pattern.
It is very important to consider the consequences of using a certain design pattern as the design pattern employed could pigeonhole the functionality of the program. For example, using the composite design pattern, which allows programmers to abstract containers as components, makes it difficult to create new containers and distinguish containers from components without using runtime type checks -which lead to brittle bug-introducing code. In fact, sometimes design patterns are counterproductive. These counterproductive patterns can be called anti-patterns.
Software design patterns can be classified into four categories depending on their usage: creational, structural, behavioral, and concurrency. Creational patterns deal with how objects are created, composed and represented. An example of this design pattern is the Singleton pattern where a class has only one instance and this same object is accessed by all other components. Structural patterns define how classes and objects can be combined to form larger structures. The flyweight design pattern is a structural pattern that limits the number of objects by reusing objects that have already been instantiated and making tweaks to them when objects are similar. This involves categorizing fields into extrinsic fields, shared by other objects, and intrinsic fields, unique to an object. If objects have the same extrinsic field but a different intrinsic field, then changes are made to the intrinsic field of an already instantiated object which shares the extrinsic field. Behavioral patterns have to do with algorithms and assigning responsibilities between objects. The strategy design pattern makes it possible for classes to use an algorithm from a group of algorithms interchangeably. Concurrency design pattern addresses aspects of multithreaded programming. An example of this is the producer-consumer pattern in which a producer thread pushes data onto a buffer which is pulled by the consumer to be used.
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What is Flyweight design pattern? | Complete Tutorial with Java Examples
Hello friends, a new #video on #flyweight #design #pattern with #Java #example is published on #codeonedigest #youtube channel. Ultimate guide to flyweight #java design pattern. #flyweightdesignpattern #javadesignpatterns #flyweightdesignpatterninjava
What is Flyweight Design Pattern? Flyweight pattern provides a mechanism by which you can avoid creating a large number of âexpensiveâ objects and instead reuse existing instances to represent new ones. Flyweight pattern is useful in optimising the creation of too many objects by reusing the common data. Flyweight pattern reduce the creation of objects by sharing data, decrease memory footprintâŚ
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Hunting Gift Ideas Under $50
Finding the ideal gift for a hunter in your life can be difficult, especially if you're on a tight budget. Yet, with some thought and research, you may locate hunting gift suggestions that won't break the bank and are sure to please your friend or loved one. In this article, you will find some suggestions for $50 or less hunting presents.
List of Hunter Shirts Under $50
- Shirts Hunting shirts are a great gift idea for any hunting enthusiast. They provide protection from the sun, wind, and other elements while also helping to blend into the environment. Here are some examples of hunting shirts under $50 with details: - Under Armour Men's Tech 2.0 This shirt is made with UA Tech fabric, which is quick-drying and ultra-soft. It has anti-odor technology that prevents the growth of odor-causing microbes. The shirt is available in a variety of colors and has a loose, relaxed fit. - Mossy Oak Men's Cotton Mill 2.0 This shirt consists of 100% cotton material that is soft and comfortable. Its design is a classic button-up with a chest pocket for added convenience. It is available in various Mossy Oak camo patterns. - ScentLok Men's Lightweight Savanna The material for this shirt is lightweight polyester which wicks away moisture and dries quickly. It has built-in scent control technology that helps to keep the hunter undetected by prey. The shirt has a variety of camo patterns. - Gamehide Men's Deer Camp This shirt is made with soft and comfortable cotton material. It has a classic button-up design with a chest pocket for added convenience. The shirt comes in various camo patterns and solid colors. - Nomad Men's Cottonwood The material for this shirt is breathable cotton which is comfortable and durable. It has a button-up design with a chest pocket for added convenience. The shirt is available in various camo patterns. - Carhartt Men's Workwear Pocket This shirt consists of a durable cotton material that is comfortable and built to last. It has a chest pocket and classic button-up design. The shirt is available in solid colors and camo patterns. - Drake Waterfowl Men's Flyweight The material for making this shirt is a lightweight polyester material that is breathable and quick-drying. It has a button-up design and a chest pocket for added convenience. The shirt is available in various camo patterns. - Big BOWHUNTER This is another quality shirt with a catchy image and text. It can be worn to several places and will make whoever it is on stealing the attention of the crowd. Big Bowhunter is washable using a washing machine and is one shirt that will last for a long time. 2. Legging Hunting leggings are a must-have for any hunter looking for a comfortable and practical piece of clothing for their outdoor adventures. Below are examples of hunting leggings under $50 with details: - BALEAF Women's Athletic Leggings These leggings are made with moisture-wicking fabric that keeps the hunter cool and dry during their activities. They have a high-waist design that provides excellent coverage and support, and they come in a variety of colors and patterns. - TSLA Women's Thermal Leggings They consist of a thick, thermal fabric that provides insulation and warmth during colder hunting seasons. The design is high-waist thereby providing excellent coverage and support. In addition, they come in different colors and patterns. - Under Armour Women's ColdGear Authentic Leggings These leggings are made with a double-layer fabric that provides excellent insulation and warmth during cold weather. They have a high-waist design that provides excellent coverage and support, and they come in a variety of colors and patterns. - SITKA Gear Women's Core Lightweight Bottom It is a breathable, moisture-wicking fabric that keeps the hunter cool and dry during their activities. They have a high-waist design which enables users to have excellent coverage and support. They are sold in a variety of solid colors. - ArcticShield Women's Heat Echo Light Pant These leggings are made with a thermal fabric that provides excellent insulation and warmth during colder hunting seasons. Its high-waist design provides excellent coverage and support, and they have solid colors. - Kryptek Women's Valhalla II Camo Leggings These leggings have a stretchy, lightweight fabric that provides comfort and flexibility during hunting activities. They have a high-waist design that provides excellent coverage and support, and they come in a variety of Kryptek camouflage patterns. - Wildfowler Outfitter Women's Hunting Leggings Wildfowler Outfitter Women's Hunting Leggings are made with a stretchy, lightweight fabric that provides comfort and flexibility during hunting activities. They have a high-waist design that provides excellent coverage and support, and they come in a variety of solid colors and camouflage patterns. - Grim Reaper Bow Hunting Archery Deer skull camo custom Name Pants, Leggings It is a cotton made legging that offers style and comfort. It has a bold graphic that is sure to steal the attention of many wherever it goes. This leggings is washable using a washing machine. 3. Bedding Set The right bedding for hunting season is important for any hunting enthusiast. Giftng a quality bedding set that is also durable is an added bonus. The following are examples of hunting bedding sets under $50 with details: - Regal Comfort The Woods Black Camouflage Full 8pc Premium Luxury Comforter This bedding set includes a comforter, 2 pillow shams, a bedskirt, a fitted sheet, a flat sheet, and 2 pillowcases. The set features a black camouflage pattern, and the comforter is made with a soft and comfortable microfiber material. - Personalized Deer Matte Canvas This is one of the most beautiful bedding sets for less than $50. It gives users a cozy feeling, especially as it is made from cotton. Its beauty and stylishness will keep your bedroom looking bright and beautiful. - HiEnd Accents Bear Lodge Bedding Set HiEnd Accents Bear Lodge Bedding Set has a comforter, a bed skirt, and 2 pillow shams. The setâs pattern is a bear and forest on a beige background, and the comforter consists of a soft and comfortable microfiber material. - Realtree AP Mini Comforter Set This bedding set includes a comforter and 2 pillow shams. It has a Realtree AP Mini camouflage pattern on a beige background, and the comforter is made with a soft and comfortable microfiber material. - Bone Collector Comforter Set This bedding set comes with a comforter and 2 pillow shams. It has a Bone Collector logo on a black and white background, and the comforter is made with a soft and comfortable microfiber material. - HiEnd Accents Hunter Plaid Comforter Set This bedding set includes a comforter, a bed skirt, and 2 pillow shams. The set features a hunter-plaid pattern on a beige background, and the comforter is made with a soft and comfortable microfiber material. - Realtree Xtra Mini Comforter Set This bedding set features a comforter and 2 pillow shams. It has a Realtree Xtra Mini camouflage pattern on a beige background with its comforter consisting of a soft and comfortable microfiber material. - Mossy Oak Break-Up Infinity Comforter Set Mossy Oak Break-Up Infinity Comforter Set has a comforter and 2 pillow shams. The set features a Mossy Oak Break-Up Infinity camouflage pattern on a beige background, and the comforter is made with a soft and comfortable microfiber material. 4. Tumbler If you are looking for a durable and reliable tumbler for your friend or loved one to take to their next hunting trip, then it is pertinent to read further in this article. Here are examples of hunting tumblers under $50 with details: - Duck hunting tattoos black waterfowl camo Customize name Stainless Steel Tumbler Cup If you are searching for a good gift for a duck hunter, then you might need to give this tumbler some consideration. It is a stainless steel timbler cup with a simple design which makes it ideal for many hunters. For its price, it serves multiple functions hence the reason it makes a great gift. - Ozark Trail 30 oz. Vacuum Insulated Stainless Steel Tumbler This tumbler is made with stainless steel, features double-walled insulation, and can hold up to 30 ounces of your favorite beverage. It has a clear lid with a sliding closure and is available in a range of colors. - YETI Rambler 20 oz. Tumbler It consists of a stainless steel and features double-walled insulation. It can hold up to 20 ounces of liquid and comes with a clear, spill-proof lid. It's available in a variety of colors and finishes. - Mossy Oak 30 oz. Tumbler This tumbler consists of stainless steel and features double-walled insulation. It is capable of holding 30 ounces of liquid and comes with a clear, spill-proof lid. It features a Mossy Oak camouflage pattern. - Coleman FreeFlow Autoseal Insulated Stainless Steel Tumbler This tumbler has stainless steel and features double-walled insulation. It can hold up to 24 ounces of liquid and comes with a clear, spill-proof lid. It is sold in a range of colors. - Tervis Tumbler This tumbler is made with high-quality, BPA-free plastic and features double-walled insulation. It can hold up to 24 ounces of liquid and comes with a clear, spill-proof lid. It's available in a range of hunting-related designs. - Contigo SnapSeal Byron Vacuum-Insulated Stainless Steel Travel Mug This tumbler is made with stainless steel and consists of a double-walled insulation. It can hold up to 20 ounces of liquid and comes with a clear, snap-seal lid. It is available in various colors. - Hydro Flask 32 oz. Tumbler This tumbler is made with stainless steel and features double-walled insulation. It holds about 32 ounces of liquid and comes with a clear, spill-proof lid. It has a variety of colors and finishes. 5. Car Seat Cover For a hunter who frequently travels with a hunting gear, a car seat cover can be an excellent gift to protect their car seats from dirt, moisture, and wear and tear. Check out some examples of hunting car seat covers under $50 with details: - Mossy Oak Break-Up Infinity Camo Seat Covers These seat covers are made with a durable polyester fabric and feature a Mossy Oak Break-Up Infinity camo print. They are compatible with most car seats and come with a set of front and rear covers. - Browning Buckmark Seat Cover This seat cover is made with a durable polyester fabric and features a Browning Buckmark logo. It is compatible with most car seats and comes with a single cover for the front seat. - Deer Hunting Camo Custom Name Steering Wheel Cover This is a premium quality car seat cover that r beautifies car steering wheels and is comfortable to use. It features a graphic with text. This cover is durable and washable using a washing machine. - Mossy Oak Neoprene Seat Cover Mossy Oak Neoprene Seat Cover consists of a high-quality neoprene material that is water-resistant and durable. It features a Mossy Oak camo print and is compatible with most car seats. - Realtree Low Back Seat Cover This is a seat cover that consists of durable polyester fabric and features a Realtree camo print. It is compatible with most low-back car seats and comes with a single cover for the front seat. - Signature Products Group Browning Bench Seat Cover This seat cover consists of durable polyester fabric and features a Browning Buckmark logo. It is compatible with most bench-style car seats and comes with a single cover for the bench seat. - Mossy Oak Universal Bucket Seat Cover It is a seat cover with a durable polyester fabric and features a Mossy Oak camo print. It has great compatibility with most bucket-style car seats and comes with a single cover for the front seat. - Browning Mossy Oak Break-Up Infinity Low Back Seat Cover This seat cover is made with a durable polyester fabric and features a Mossy Oak Break-Up Infinity camo print. It is compatible with most low-back car seats and comes with a single cover for the front seat.
Conclusion
The products in this article are not only highly affordable but are quality. They are made with good materials that enable users to be comfortable while using them. As a gift, they are sure to impress especially because of their beauty and uniqueness. These are only a few quality gift ideas that cost lesser than $50 for hunters. Read the full article
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Reflection on 11/19 discussion
In the reading, the author Jeff Friesen introduces design pattern, including what is the design pattern and the classification of design patterns. A design pattern describes the classes and interacting objects used to solve a general design problem in a specific context. Compare to software architecture, itâs more like an implementation. Itâs easy to update and solves specific problems by using design patterns. Design pattern has advantage that it is reusable, extendable, manageable. However, it also has disadvantage that itâs difficult to read the code, and might be restrict. There are many common design patterns used, for example, composite, bridge, command, mediator. In our group, we discussed Flyweight and abstract factory. Flyweight takes similar data over and over again. For objects share an intrinsic characteristic, people only write the code once. If they want to create a specific object later, they can just modify the data instead of rewriting the code. How people choose a design pattern is an important question as well. They can first understand each of possible patterns and see which one fits in the code. Multiple design pattern can work together. If people found that old design pattern cannot fix the question, they will combine some characteristic from the old ones and create a new design pattern. In software engineering, double dispatch is an extension of single dispatch, when there are two objects interacting with each other. Double dispatch is often confused with method overloading. Java doesnât support double dispatch.
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Flyweight⌠or Lightweight?
Software design patterns are the solution to commonly occurring problems in software development. These problems can be structural, behavioral, or concurrency problems. Using the right design patterns eases potentially major mistakes in the future, which may force the developers to re-architect the entire product. In this post, I want to introduce a design pattern called Flyweight. I picked this design pattern initially because of its interesting name, but it also has many applications and advantages related to memory usage and performance.

Flyweight is the solution to two problems:
An excessive number of object initialization can significantly increase memory usage, and most of the time, objects are relatively identical.
Object initialization is typically fast, but performing many of them can increase the execution time of a program, which leads to poor performance.
The most important component in a Flyweight architecture is the factory, which stores all objects created. The objects are stored in a key-value manner so that when we want to retrieve an object, we can refer to its unique key to pull it out from the factory. Whenever a program needs to create a new object, it first checks the factory. If the factory already contains an object with the intended attributes, that object will be reused. Otherwise, the program creates a new object and send it to the factory for future usage.
Intrinsic and Extrinsic state
There are two types of state in a flyweight object. Intrinsic states are attributes that can be shared among objects, and extrinsic states are attributes that are unique to each object created, or at least unique to most objects. For example, we have a class called TShirt, which represents t-shirts being sold at a clothing store. Every time we have a new t-shirt of size âMâ, we do not need to create a new object. Instead, we pull an object that represents a t-shirt of size âMâ to reuse it. In this case, size is an intrinsic state of the class TShirt. However, since each t-shirt has a unique barcode, barcode is an extrinsic state.
In gaming, Flyweight is important because we need to allow the program to react to any action as fast as possible. Letâs look into a soccer game where we have two teams, A and B. It is clear that all players in team A have the same mission, getting the ball to team Bâs goal, and similarly for all players in team B. Also, every player in team A and every player in team B has the same t-shirt color. Therefore, to simulate a soccer game, we only need two classes (TeamAPlayer, TeamBPlayer) and two objects, one for each teamâs players. Â
The intrinsic states in this example are mission and color, which are similar for all players in a team.
The extrinsic states can be the playerâs name, age, and position. For each of the extrinsic state, there is an assignment function in each class so that when we want to reuse an object, we can override the extrinsic states and assign new values to them.
Diagram of an example architecture of a soccer game
Although this design pattern seems lightweight and effective, there are some questions that the developers need to answer before using Flyweight:
In terms of performance, we reduce the amount of time initializing objects, but at the same time, do we also have some latency retrieving the object from the factory and mutate its state?
Does multithreading work when we reuse the same object over and over again by mutating its state?
Since we keep changing the state of an object, what should we do if we want to reserve a state of an object for a period of time?
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Java sql
Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language. This API includes a framework whereby different drivers can be installed dynamically to access different data sources. Although the JDBCTM API is mainly geared to passing SQL statements to a database, it provides for reading and writing data from any data source with a tabular format. The reader/writer facility, available through the javax.sql.RowSet group of interfaces, can be customized to use and update data from a spread sheet, flat file, or any other tabular data source. What are various DCL commands in SQL? Can you sort a column using a column alias? Is a null value same as zero or a blank space if not then what is the difference? How can you eliminate duplicate rows from a query result? Difference between TRUNCATE, DELETE and DROP commands? What is the difference between CHAR and VARCHAR2 datatype in SQL? What are the differences between sql and pl/sql? What are the transaction properties in sql? What is the sql case statement used for? How many types of aggregate functions are there in sql? What are scalar functions in sql? What is the difference between sql and mysql? What is the use of nvl function in sql? What do you mean by subquery? What are Indexes in SQL? How to create index in oracle sql? How to view index in oracle sql? How to get list of tables in oracle sql Difference between clustered and nonclustered indexes in oracle sql? How to update with select subquery in sql server Explain different types of index in sql server What is JavaScript? What are the advantages of JavaScript? What are the disadvantages of JavaScript? Is JavaScript a case-sensitive language? How to use external JavaScript file? How to create javascript object? How to add method to javascript object? What does the isNaN() function? What is the difference between undefined value and null value? How to access cookie using JavaScript? How to create cookie using JavaScript? How to read cookie using JavaScript? How to get cookie by name in JavaScript? How to delete cookie using JavaScript? How to redirect a url using JavaScript How to print a web page using JavaScript? How to handle exceptions in JavaScript? How to create a procedure? How to execute stored procedure? How to drop stored procedure? How to create a function? How to execute a function? How to drop a function? What is Context area? How to use explicit cursor? How to declare a cursor? How to fetch a cursor? How to close a cursor? Maven Eclipse Servlet Maven Eclipse JSP Maven Eclipse Spring Maven Eclipse Hibernate Maven interview questions What are the build tools in java? What are the aspects Maven manages? how to check the maven version in windows? how to check the maven version in linux? how to check the maven version in mac? What information does pom contain? What is a goal in maven? What are the types of repository in maven? Explain Maven repository search order What is local repository in maven? What is central repository in maven? What is remote repository in maven? What is maven plugin used for? What are the types of maven plugins? What is archetype in maven? How profiles are specified in maven? How can you build your project offline? How to exclude dependency in maven? Java cloning deep and shallow Shallow vs Clone copy Write a java program to find duplicate elements in an array? Write a java program to find second largest element in an array of integers? Write a java program to check the equality of two arrays? Write a java program to find all pairs of elements in an integer array whose sum is equal to a given number? Write a java program to find continuous sub array whose sum is equal to a given number? Write a java program to find the intersection of two arrays? Write a java program to separate zeros from non-zeros in an integer array? Write a java program to find all the leaders in an integer array? Write a java program to find a missing number in an integer array? Write a java program to convert an array to ArrayList and an ArrayList to array? Write a java program to count occurrences of each element in an array? Write a java program to reverse an array without using an additional array? Write a java program to remove duplicate elements from an array? Write a java program to find union and intersection of multiple arrays? Write a java program to find the most frequent element in an array? Java interview programs Java array interview questions Java array interview programs Java star pattern programs Java number pattern programs Spring security tutorial with examples Spring security overview Spring security architecture diagram Spring security maven dependency Spring security hello world xml example Spring security hello world annotation example Spring security custom login xml example Spring security custom login annotation example Spring security form login using database example Spring security limit login attempts example Spring security remember me example Spring security password encoder example Spring security hibernate xml example Spring security hibernate annotation example Spring boot tutorial with examples Spring boot overview Spring boot architecture diagram Spring boot components Spring boot starter parent in pom maven repo Spring boot web app configuration Run spring boot application from command line Spring boot hello world example Spring boot jsp example Spring boot restful web services example Spring boot common application properties Spring boot change default tomcat port Spring boot change context path Spring boot configuration properties example Spring boot slf4j example Spring boot ajax example Spring boot with mysql database example Spring boot with hibernate example How to log sql statements in spring boot? Spring boot deploy war file to tomcat Java design patterns tutorial with examples Java creational design patterns Java singleton design pattern Java factory design pattern Java abstract factory design pattern Java builder design pattern Java prototype design pattern Java structural design patterns Java adapter design pattern Java composite design pattern Java proxy design pattern Java flyweight design pattern Java facade design pattern Java bridge design pattern Java decorator design pattern Java behavioral design patterns Java template design pattern Java mediator design pattern Java chain of responsibility design pattern Java observer design pattern Java strategy design pattern Java command design pattern Java state design pattern Java visitor design pattern Java interpreter design pattern Java iterator design pattern Java memento design pattern How to iterate through collection objects? How to remove element from collection using iterator? Java Vector class How to read all elements in vector by using iterator in java? How to copy or clone a vector in java? How to add all elements of a list to vector in java? How to remove all elements from vector in java? How to copy vector to array in java? How to get sub list from vector in java? how to display arraylist values by using iterator in java? How to copy or clone a arraylist in java? How to add all elements of a list to arraylist in java? How to remove all elements from arraylist in java? How to convert arraylist to array in java?
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Announcing the Advanced Swift Spring Fling!
Itâs Spring once again, which means itâs time to take a fresh look at your bookshelf and grow your tutorial library!
To help you do this, weâre releasing three new books:
Realm: Building Modern Swift Apps with Realm Database: The perfect introduction to Realm Database and Realm Platform. Learn how to set up your first Realm database, see how to persist and read data, find out how to perform migrations and more.
Data Structures and Algorithms in Swift: Learn how to implement the most popular and useful data structures, and when and why you should use one particular data structure or algorithm over another.
Design Patterns by Tutorials: Explore the usefulness of design patterns, moving from the basic building blocks of patterns into more advanced patterns and completes the lesson with less common but incredibly useful patterns.
To celebrate these three books, weâre running a special event over the next two weeks: the Advanced Swift Spring Fling, where you can get all three books at a massive discount.
Over the next two weeks, weâll be releasing some free chapters from our three new books so you can get a taste of whatâs in store. Weâre also running a giveaway where a few lucky readers can win themselves a copy of one of our new books!
And in keeping with the spirit of Spring, weâre running a time-limited sale to help you save some green:
Save a massive 40% over the regular price when you buy the three new books in our Advanced Swift Spring Bundle â thatâs all three books for just $99.99!
Want to buy select books from the bundle? No problem. Save 10% on each of the new books when you buy them separately â thatâs $49.49 each.
Hereâs a quick overview of whatâs in each book:
Data Structures and Algorithms in Swift
Learn how to implement the most common and useful data structures and algorithms in Swift!
Understanding how data structures and algorithms work in code is crucial for creating efficient and scalable apps. Swiftâs Standard Library has a small set of general purpose collection types, yet they definitely donât cover every case!
In Data Structures and Algorithms in Swift, youâll learn how to implement the most popular and useful data structures and when and why you should use one particular datastructure or algorithm over another. This set of basic data structures and algorithms will serve as an excellent foundation for building more complex and special-purpose constructs. As well, the high-level expressiveness of Swift makes it an ideal choice for learning these core concepts without sacrificing performance.
Youâll start with the fundamental structures of linked lists, queues and stacks, and see how to implement them in a highly Swift-like way.
Move on to working with various types of trees, including general purpose trees, binary trees, AVL trees, binary search trees and tries.
Go beyond bubble and insertion sort with better-performing algorithms, including mergesort, radix sort, heap sort and quicksort.
Learn how to construct directed, non-directed and weighted graphs to represent many real-world models, and traverse graphs and trees efficiently with breadth-first, depth-first, Dijkstraâs and Primâs algorithms to solve problems such as finding the shortest path or lowest cost in a network.
And much, much more!
By the end of this book, youâll have hands-on experience solving common issues with data structures and algorithms â and youâll be well on your way to developing your own efficient and useful implementations.
This book is in early access; the complete digital edition will be released in Late Spring 2018.
Weâll be releasing two free chapters from this book this week on Wednesday and Friday to help give you a taste of whatâs inside.
âWhether you want to ace your next coding interview, or use Swift successfully in competitions on HackerRank, or want to make sure your Swift code is well designed and scalable, this is the right book for you. The authors explain data structures and algorithms with diagrams and examples and explain the Swift code implementation step by step.â â Christina Bharara
About the Authors
Kelvin Lau is a physicist turned Swift-iOS Developer. While heâs currently entrenched with iOS development, he often reminisces of his aspirations to be part of the efforts in space exploration. Outside of programming work, heâs an aspiring entrepreneur and musician. You can find him on Twitter: @kelvinlauKL.
Vincent Ngo is a software developer by day, and an iOS-Swift enthusiast by night. He believes that sharing knowledge is the best way to learn and grow as a developer. Vincent starts every morning with a homemade green smoothie in hand to fuel his day. When he is not in front of a computer, Vincent is training to play in small golf tournaments, doing headstands at various locations while on a hiking adventure, or looking up how to make tamago egg. You can find him on Twitter: @vincentngo2.
Realm: Building Modern Swift Apps with Realm Database
Create powerful, reactive iOS apps with Realm Database and Realm Cloud!
Realm finds the sweet spot between the simplicity of storing data as JSON on disk and using heavy, slow ORMs like Core Data or similar that are built on top of SQLite. The Realm Database aims to be fast, performant and provide the commodities that mobile developers need such as working with objects, type-safety, and native notifications.
Realm Database has been under active development for several years. It powers apps by some of the biggest names in the App Store, including Adidas, Amazon, Nike, Starbucks, BBC, GoPro, Virgin, Cisco, Groupon and many more who have chosen to develop their mobile apps with Realm.
Realm Platform is a relatively new commercial product which allows developers to automatically synchronize data not only across Apple devices but also between any combination of Android, iPhone, Windows, or macOS apps. Realm Platform allows you to run the server software on your own infrastructure and keep your data in-house which more often suits large enterprises. Alternatively you can use Realm Cloud which runs a Platform for you and you start syncing data very quickly and only pay for what you use.
In this book, youâll do the following:
Learn how easy it is to set up your first Realm database.
See how to persist and read data under the CRUD model.
Discover how to work with Realm configurations.
Design smart and responsive migrations for your Realms.
Create a Realm Cloud instance and sync your data in real time, across all devices, anywhere.
Weâll be releasing a free chapter from this book on Monday, April 23, to help you get started with Realm Database and see what the bookâs all about!
âI enjoyed the book [Realm: Building Modern Swift Apps with Realm Database] and learned much from it. The book shed light on a long time mystery. Despite the fact we previously worked with Realm never before it was so accessible and easy to understand. Book is full with down-to-earth, to-the-core, beautiful explanation, diagrams and code samples. Great to dive in to and great to keep at your desk for easy reference.â â Michal Shatz
About the Author
Marin Todorov is the author of this book. Marin is one of the founding members of the raywenderlich.com team and has worked on seven of the teamâs books. Besides crafting code, Marin also enjoys blogging, teaching, and speaking at conferences. He happily open-sources code. You can find out more about Marin at www.underplot.com.
Design Patterns by Tutorials
Learn design patterns with Swift!
Design patterns are incredibly useful, no matter what language or platform you develop for. Using the right pattern for the right job can save you time, create less maintenance work for your team and ultimately let you create more great things with less effort.
Every developer should absolutely know about design patterns and how and when to apply them. Thatâs what youâre going to learn in this book!
Start with the basic building blocks of patterns such as MVC, Delegate and Strategy.
Move into more advanced patterns such as the Factory, Prototype and Multicast Delegate pattern.
Finish off with some less-common but still incredibly useful patterns including Flyweight, Command and Chain of Responsibility.
And not only does Design Patterns by Tutorials cover each pattern in theory, but youâll also work to incorporate each pattern in a real-world app thatâs included with each chapter. Learn by doing, in the step-by-step fashion youâve come to expect in the other books in our by Tutorials series.
This book is in early access; the complete digital edition will be released in Late Spring 2018.
Weâll be releasing a free chapter from this book on Wednesday, April 25, to help you discover what the book has in store for you!
âThe book all iOS and macOS developers have all been waiting for: Design Patterns by Tutorials is the best of the wisdom of that gang of four written in Swift. Need a singleton thatâs ready to try in a playground, along with clear guidance about how to use it and not misuse it? This is your essential guide.â â Mark W. Powell
About the Authors
Joshua Greene is an experienced iOS developer who loves creating elegant apps. When heâs not slinging code, he enjoys martial arts, Netflix and spending time with his wonderful wife and two daughters. You can reach him on Twitter at @jrg_developer.
Jay Strawn is a former librarian and is passionate about languages both human and code based. When sheâs not working as a developer, Jay enjoys being an ESL conversation partner and reading zines.
Advanced Swift Spring Bundle
To celebrate the launch of our new advanced Swift books, weâre offering a special bundle where you can get all three books at a massive discount!
Our new Advanced Swift Spring Bundle includes all three books in PDF/ePub format, with all source code included:
Realm: Building Modern Swift Apps with Realm Database
Data Structures and Algorithms in Swift
Design Patterns by Tutorials
Thatâs a $164.97 value â but you can get all three books for just $99.99 in the Advanced Swift Spring Bundle! But donât wait: this bundle deal is only good until Friday, April 27.
Advanced Swift Spring Fling Giveaway
To celebrate the Spring Fling, weâre giving away three Advanced Swift Spring Bundles to some lucky readers!
To enter the giveaway, simply leave a comment below and answer the following question:
What are you most excited about in our new book lineup?
Weâll select three winners at random who leave a comment below before Friday, April 27. Get your entries in early!
Where to Go From Here?
To recap, hereâs the schedule of events for the Advanced Swift Spring Fling:
April 16: Design Patterns, Data Structures, and Realm books launched
April 18: Free chapter from Data Structures and Algorithms in Swift
April 20: Swift Algorithm Club post
April 23: Free chapter from Realm: Building Modern Swift Apps with Realm Database
April 25: Free chapter from Design Patterns by Tutorials
April 27: Giveaway and Last Day for Discount!
If you are comfortable with Swift and iOS development and want to take your development skills to the next level, thereâs no better way to do that than through the Advanced Swift Spring Bundle.
Donât miss out on your chance to grab this bundle of three books for just $99.99 â thatâs a massive savings of 40% off of the regular price! This bundle pricing is only available until Friday, April 27, 2018, so grab this great discount while you can.
We truly appreciate the support of all our readers; you help make everything we do here at raywenderlich.com possible. Thanks for your support â and donât forget to leave a comment below to enter the giveaway!
The post Announcing the Advanced Swift Spring Fling! appeared first on Ray Wenderlich.
Announcing the Advanced Swift Spring Fling! published first on https://medium.com/@koresol
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Link
Nettuts+ http://j.mp/2xWUNm0
If you're looking for a comprehensive guide to design patterns, our new course is ideal for you. In Swift Design Patterns, you'll get 24 detailed videos totalling 3.5 hours of viewing time, in which you'll learn some common design patterns that you can use over and over in many different languages.
What Youâll Learn
In this course, Envato Tuts+ instructor Derek Jensen will teach you some of the most common design patterns, and he will explain and demonstrate exactly how these patterns can be applied using the Swift programming language. You'll learn the following patterns:
Creational Patterns
factory
abstract factory
singleton
prototype
builder
Structural Patterns
adapter
flyweight
proxy
bridge
decorator
composite
facade
Behavioral Patterns
iterator
command
chain of responsibility
mediator
memento
interpreter
observer
strategy
state
For each pattern, you'll see a complete example in code, and you'll get an explanation of the specific challenge the pattern is solving. By the end, you'll have some powerful new coding tools in your toolkit.
Watch the Introduction
 Take the Course
You can take our new course straight away with a subscription to Envato Elements. For a single low monthly fee, you get access not only to this course, but also to our growing library of over 1,000 video courses and industry-leading eBooks on Envato Tuts+.Â
Plus you now get unlimited downloads from the huge Envato Elements library of 300,000+ photos and 34,000+ design assets and templates. Create with unique fonts, photos, graphics and templates, and deliver better projects faster.
http://j.mp/2xW6Ccg via Nettuts+ URL : http://j.mp/2etecmc
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