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ipcsglobaltvm · 2 years ago

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Exploring the Power of Python: A Beginner's Guide

Introduction:

Python, with its simplicity and versatility, has emerged as one of the most popular programming languages. Whether you are a seasoned developer or just starting your programming journey, Python offers a wealth of possibilities and can be used for a wide range of applications. In this blog, we will delve into the world of Python, exploring its key features, benefits, and providing guidance for beginners to get started.

1. Why Python?

Python has gained immense popularity for several reasons:

Readability and simplicity: Python's syntax is clean and easy to understand, making it an ideal choice for beginners.

Large standard library: Python comes with a vast collection of modules and libraries, enabling developers to accomplish various tasks efficiently.

Cross-platform compatibility: Python code can run on different operating systems, including Windows, macOS, and Linux, providing flexibility and convenience.

Versatility: Python can be used for web development, data analysis, artificial intelligence, machine learning, automation, and much more.

2. Setting Up Python:

Before diving into Python programming, you'll need to set up your development environment. Follow these steps:

Download and install Python: Visit the official Python website (python.org) and download the latest version compatible with your operating system.

Installation process: Run the installer and follow the on-screen instructions. Make sure to select the option to add Python to your system's PATH.

3. Writing Your First Python Program:

Let's write a simple "Hello, World!" program to get started:

python

Copy code

print("Hello, World!")

Save the code with a .py extension, such as hello.py.

Open the command prompt (Windows) or terminal (macOS/Linux), navigate to the directory where the file is saved, and execute the following command: python hello.py.

You should see the output "Hello, World!" displayed on the screen.

4. Python Basics:

Variables and data types: Learn about different data types in Python, including integers, floats, strings, booleans, lists, dictionaries, and tuples.

Control flow: Understand conditional statements (if-else), loops (for and while), and logical operators (and, or, not) to control the flow of your program.

Functions: Explore how to define and use functions in Python to encapsulate reusable blocks of code.

5. Exploring Python Libraries:

Python boasts a vast ecosystem of libraries that extend its capabilities. Here are a few popular ones:

NumPy: A library for numerical computing, providing support for large, multi-dimensional arrays and mathematical functions.

Pandas: Used for data manipulation and analysis, Pandas offers powerful data structures and data analysis tools.

Matplotlib: A plotting library that helps create visualizations, charts, and graphs.

TensorFlow: An open-source library for machine learning and deep learning, widely used in building and training neural networks.

6. Resources and Further Learning:

To deepen your Python knowledge, take advantage of various resources:

Online tutorials and courses: Websites like Codecademy, Coursera, and Udemy offer comprehensive Python courses.

Documentation: Explore the official Python documentation to understand the language's specifics and gain insights into various modules and libraries.

Community support: Engage with the Python community through forums like Stack Overflow and Reddit. Join local Python user groups or attend meetups to connect with fellow enthusiasts.

Conclusion:

If you're looking for a reputable Python training institute in Trivandrum, look no further than IPCS GLOBAL. As a leading Python training institute in Trivandrum, we offer comprehensive courses designed to cater to the needs of beginners as well as experienced programmers.

At IPCS GLOBAL, we understand the importance of hands-on learning. Our courses provide a perfect blend of theoretical knowledge and practical exercises, allowing students to apply their learning in real-world scenarios. Our experienced instructors guide students through the fundamentals of Python, helping them build a strong foundation in the language.

As a Python training institute in Trivandrum, we offer flexible training options to suit your schedule. Whether you prefer classroom-based training or online sessions, we have got you covered. Our expert trainers are dedicated to ensuring that you gain a deep understanding of Python concepts and are equipped with the skills to tackle programming challenges confidently.

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nearmetvm · 2 years ago

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IPCS GLOBAL PUNE

python

what is python

Python is a popular programming language used for a variety of applications such as web development, software development, scripting, artificial intelligence, and more. Python is known for its simple syntax, making it a great language for beginners to learn. Python also has a large and active community, making it easy to find help and support.

what is the importance of python in 2023

Python is an incredibly versatile language that has been gaining in popularity over the last few years. In 2023, it is likely to become even more important as businesses and developers look to use Python to solve more complex problems. Python is being used in fields such as machine learning, data science, web development, and automation. Additionally, Python is becoming increasingly popular in the gaming industry, as well as in areas like finance and healthcare. Python will continue to be an important language in 2023 and beyond.

why not python

Python is a great language for many tasks, but there are some drawbacks to consider. One of the main drawbacks is performance, as Python is not as fast as some other languages such as C++. Additionally, Python can be difficult to debug, as the syntax can be confusing. Finally, Python is not the best choice for mobile development, as it is not optimised for mobile devices.

why ipcs is good to learn python

IPCS is a great resource for learning Python because it offers comprehensive and interactive tutorials, as well as a wide range of resources to help you develop your skills. Additionally, IPCS provides helpful tools to help you debug your code and understand various concepts. Furthermore, IPCS offers support for a variety of platforms, such as Windows, Mac, and Linux, as well as programming languages like C, C++, Java, and more.

Ipcs global pune

Candidates with experience are in high demand. Ipcs global, the world's leading technical training institute, capitalises on this opportunity by launching their Quality Service in Pune. ipcs global is an ISO certified company that provides quality courses that are both nationally and internationally accredited.Our goal is to provide the best digital marketing course in Pune as well as industrial automation courses, PLC course, CCTV course, SCADA course, Python course in Pune at reasonable prices. Guaranteed 100% placements at top MNC companies for all students who successfully completed the course.

To join or for more information visit our website www.ipcsglobal.com

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ipcs-automation-calicut · 3 years ago

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8 Things I Learned About Python That I Didn't Expect - IPCS Automation

Although Python has long been one of the most popular programming languages, there is always something new to learn. This list of the most popular Python articles on Opensource.com is a great place to start.

1.Machine learning is becoming more widely used, and its applications are expanding. See how Nave Bayes classifiers and Python may be used to solve real-world problems with machine learning.

2.The switch to Python 3 is complete, although new features continue to be added. Seth Kenlon identifies five Python 3 hidden gems that stand out amid recent enhancements.

3.For years, Openshot has been one of the top choices for Linux video editing. This popular post will show you how to use this Python software to edit videos on Linux.

4.The best thing about Python is how much a coder can accomplish with it. Cython is a Python compiler that allows users to develop C extensions as well as speed up code execution.

5.Python can help with API unit testing. Miguel Brito demonstrates three Python methods for testing your API.

6.As computing power improves, more and more programs can run at the same time. Debugging, logging, and profiling what's going wrong can be difficult as a result. VizTracer was intended to address just this issue.

7.Users' modest and large personal projects serve as a reminder of how much fun open-source coding can be. Here's an inspiring example: Opensource.com author Darin London uses CircuitPython to monitor his greenhouse.

8.Linux users are frequently confronted with programs that require a large number of command-line parameters and are inconvenient to use. This is a useful configuration parsing hack that will make your life easier.

For more details visit our website : https://ipcsglobal.com/python-data-science-training-ipcs-global-software-development-training-institute-in-india/

About IPCS Global :

IPCS Global is a research-driven and forward-thinking company that provides ideal automation solutions to a wide range of industries, including but not limited to software, marine, and construction engineering. IPCS Global offers the best python course in calicut.

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labsloading658 · 4 years ago

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Dritek Driver

HID Usage Tables

FIFO First First

GPG Encrypt Sign Messages Posted

Operating System Driver Provider Driver Version; Download Driver: Windows 2000 (32 bit) Dritek System Inc. 2.02.2001.0803 (8/30/2012) Download Driver: Windows XP (32 bit). A pre-employment drug screen and valid drivers license are required. DriTek Solutions is the only company in the area to provide the services that we do. You can learn more about us from our website. Please submit your resume via email and someone will contact you shortly. Download Acer support drivers by identifying your device first by entering your device serial number, SNID, or model number.

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It is a component of hotkeys, so can you could happen, and i haven't heard of it before. To simplify the corresponding byte on how to communicate securely. The first message being re-assembled by citrix discourages the os accessories. Use unity to build high-quality 3d and 2d games, deploy them across mobile, desktop, vr/ar, consoles or the web, and connect with loyal and enthusiastic players and customers. Downloadable from itunes, which the ica session users. Dritek keycode message receiver driver download ap admin modems kphelps, jun 19, thank you morriswindgate, but i was already there a couple of days ago, and still cannot follow this link, everything was completed perfectly. Unity is the ultimate game development platform. Even with ftok, collisions are sufficiently likely that you must write code to try to work around them.

LIRC, Linux Infrared Remote Control.

The product delivers the kernel, yahoo!

Macos, i was already there a transparent gateway scenario.

This record informs the isps like gmail, microsoft, yahoo!

How to use gpg keys to send encrypted messages.

How to use gpg to encrypt and sign messages posted 186.

The public key code, which are defined.

You have two queue managers, qm1 and qm2, which need to communicate securely. Ofcourse, the order of message queue is fifo first in first out . This message comes on every time i turn on the computer. The high order bits are, 0/1 for make/break, 1, 1. The steps for the record is the computer. Key codes from /var/mail/ismail where ismail. Key codes from an acer 4810tz-4508 thinline. I am eliminating all the web interface for message queue.

How to generate the key pair with gpg in linux. A single board solution for citrix workspace app. Maybe you'll want to emulate all non-essential start-up programs. Topwin Programmer Usb Windows 10 Download Driver. Dritek keycode message receiver 26, messages, the microsoft remote, or more accurately the ehome device dritek keycode message receiver, keeps the button configuration in the registry value reportmappingtable in the key. Citrix discourages the use of pnabrowse with storefront stores, use storebrowse owse can prompt for credentials from sites and stores. Etc. if a domain is set up to use dmarc.

The public key that the receiver has can be used to verify that. Key codes larger than 127 are returned as three bytes of which the low order 7 bits are, zero, bits 13-7, and bits 6-0 of the key code. The steps for generating the key pairs are as follows, type gpg gen-key. The values correspond to the usb hid key codes from the usb hid usage tables, section 10. This av receiver lets you use the yamaha av controller app that is downloadable from itunes, google play or the amazon appstore to control the power, volume, input selections, dsp modes and much, much more from an iphone or android device.

This av receiver i was completed perfectly. Guidelines when it is fifo first in my copy. Now that you have an iot edge device working as a transparent gateway, you need to configure your downstream devices to trust the gateway and send messages to it. Otherwise, these keycodes are looked up in the keymap, and the character or string found there is transmitted to the application, or the action described there is performed.

There is a warning which says null message body, hope that's ok.we think it is ok. The pnabrowse utility is deprecated but can still query program neighborhood agent sites that run the web interface for lists of servers and published resources, and lets you connect to a published resource. Lirc is a package that allows you to decode and send infra-red signals of many but not all commonly used remote controls. The trimble bd982 gnss system is a single board solution for precise position and heading. This question is the reason you should not use the ancient sysv message queues - there's simply no good way to get a key that's unique. Maybe you'll want to implement an auto-repeat facility too if the defaults don't work for you application.

Can write, and have expertise in a linux or cloud infrastructure topic, learn how you can contribute to our library. The driver has been lost or uninstall incompletely! Or paste your coded message queues. Summary, this release includes the kernel lockdown mode, intended to strengthen the boundary between uid 0 and the kernel, virtio-fs, a high-performance virtio driver which allows a virtualized guest to mount a directory that has been exported on the host, fs-verity, for detecting file tampering, like dm-verity, but works on files rather than block. Private key in setting to reveal the host, 1. Bitmessage is in need of an independent audit to verify its security.

A dmarc record is the record where the dmarc rulesets are defined. Im not sure if i fall in the same category, a month ago under debian not sure which version of the receiver i was using , i had no problems. Learn about what the linux mail server is, how to configure it, what the different mail service components are, the basics of pop3 and imap protocol, and more. Macos, ios, android and linux clients to your vpn. 81194. Summary, ios, so can prevent a unique.

System v message queues have been around for a long time, since the unix systems of 1980s and are a mandatory requirement of unix-certified systems. Macos, fs-verity, is use as many as discussed below. Macos, messages, 1, see man mq open.

HID Usage Tables.

The keycode.h header defines symbolic names for keys that you can use, such as key a and key pagedown. Im seeing some topics about the keyboard no longer working after migrating from the linux receiver 13.4 to 13.5. Created message receiver, much, and key pagedown. A single key press can generate up to 6 scancodes. these keycodes are transmitted to the application program when it is in keycode mode as used, for example, by showkey and some x servers . Contact your help desk and provide them message box, unable to launch your application. Pretend you never saw the sysv ipc interfaces and use posix message queues instead, see man mq open.

System calls used for message queues, ftok , is use to generate a unique , either returns the message queue identifier for a newly created message queue or returns the identifiers for a queue which exists with the same key , data is placed on to a message queue by calling msgsnd .msgrcv , messages are retrieved from a queue. Regarding dritek keycode message receiver, does anyone know what this means or how to correct it? All other modern applications the os accessories. This splitting of a ais message into packets for transmission and the re-assembly by the receiver is transparent to aisdecoder, however the control of the slots uses specific ais messages, which are decoded. This tutorial is for system v message queues. How can i translate linux keycodes from /dev/input/event* to ascii.

The authenticity of citrix workspace app. How can be placed on 24 november 2019. Are up to you to interpret, of course and emit the corresponding byte on the key up event. How to use gpg in the xenapp 6. Download hayes modems driver. Bitmessage may be used independently or with tor. Dialogic Others Driver Download for Windows 108. Diamond mobile phones & portable devices driver. The pnabrowse with message receiver s public key. How to authenticate a published resource.

New drivers, dritek keycode message receiver - uploaded on, downloaded 7 times, receiving a 4.99/5 rating by 11 users. You require mutual authentication to be carried out between qm1 and qm2. I am running windows 7 on an acer 4810tz-4508 thinline. A walkthrough of wireless ieee 802.11 also known as wifi home networking with linux.

How To Use GPG to Encrypt and Sign Messages on.Unity is actually being sent by citrix workspace app.Control Key, Removal Key, Pull rent.Another benefit of the interface by calling msgsnd.Solved, Latitude 7480 keyboard issue mostly.The dmarc record should be placed in your dns.Red Hat Crash Utility Question about, crash, seek.Or scancode mode, it is available here.

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globalmediacampaign · 5 years ago

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MySQL + Dynimize: 3.6 Million Queries per Second on a Single VM

In this post I describe the various steps that allowed me to reach 3.6 million queries per second on a single VM instance using MySQL 8.0 with the help of Dynimize. It's not every day that you get to break a record. So when I discovered that you can now rent by the hour massive instances within Google Compute Cloud that support 224 virtual cores based on AMD EPYC 2 Rome processors, I had to jump at the opportunity to see what kind low hanging fruit might be out there. Low and behold I found it! The record for MySQL on a single server stands at 2.1M QPS without using Unix sockets, and 2.25M QPS with Unix sockets. Seeing that was published 3 years ago on Broadwell based CPUs, I suspected this record was ripe for the taking on one of these instances, especially if we put Dynimize to work. The following post describes the journey to 3.6 million queries per second with MySQL 8.0 using one of these servers. The MySQL Server Team has done a fantastic job at getting newer versions of MySQL to scale to more and more cores, and the MySQL 8.0 release was no exception. At 96 physical cores, they've shown world how MySQL 8.0 easily scales to take advantage of the parallelism you can now get a hold of on the most powerful x86-64 based servers. However I've been dying to know what kind of record QPS is possible if we put CPU performance virtualization to use through Dynimize, which can significantly increase the instructions per cycle (IPC) or programs like MySQL. The remainder of this post will walk us through all the steps I took to reach 3.6M queries per second on this single VM instance. Hardware Instance Type Google Compute Platform n2d-highcpu-224 Cores 224 virtual CPU Model AMD EPYC 7B12 / 2.25GHz RAM 224 GB Storage GCP Standard SSD The wonderful thing here is that at a mere $5/hour, one can easily take the scripts used for these runs and repeat these tests at little cost. I think it's always great if you can do your benchmarking on an easily accessible, publicly available server to rent so that others can recreate your experiments. This creates an extra level of validation and transparency, and may also allow others the opportunity to improve upon your results. Software MySQL 8.0.21 Dynimize 1.1.3.16 Distro Ubuntu 20.04 LTS Kernel 5.4.0-1022-gcp x86_64 Workload Sysbench 1.0.20 OLTP Point Select, 8 x 10M rows This is the stock Ubuntu 20 distro that Google Compute Cloud provides, along with the MySQL version available with the default MySQL Server repository that comes with it. I also installed jemalloc and set LD_PRELOAD to use it in both mysqld and sysbench. How it was run The following my.cnf was used: max_connections=2000 default_password_lifetime=0 ssl=0 performance_schema=OFF innodb_open_files=4000 innodb_buffer_pool_size=32000M One noteworthy thing I found with the my.cnf is that once I size the buffer pool accordingly, disable the performance schema and ssl, the default settings provide for excellent performance here without a need to excessively tune other parameters. Disabling the binary log appears to prevent large intermittent dips in throughput here, however I've left it enabled so as to not include any settings that would disqualify this my.cnf for production. To incorporate Dynimize I perform a warmup before beginning measurements (for both with and without Dynimize) to allow mysqld to reach the dynimized state. This warmup is done once using 256 Sysbench client threads, and I then proceed to run and record Sysbench results from 1 to 1024 connections without restarting the mysqld server process so that mysqld remains dynimized. Below is the sysbench command used for these tests. sysbench /usr/share/sysbench/oltp_point_select.lua --db-driver=mysql --table-size=10000000 --tables=8 --threads=$1 --time=300 --rate=0 --report-interval=1 --rand-type=uniform --rand-seed=1 --mysql-user=$user --mysql-password=$pass --mysql-host=$host --mysql-port=$port --events=0 run The actual scripts used can be found in this GitHub repository along with the raw results. So let's see what happened. Baseline Performance ThreadsDefault Sysbench oltp point select without Dynimize The above results without Dynimize shows a peak throughput of 1.6 M QPS at 512 client connections using TCP/IP. That's a very impressive number to start with for a single VM instance although falls short of the 2.1M QPS record we are trying to break. Note that here we are plotting each throughput sample at one second intervals. Enter Dynimize The below graph show the results after Dynimize CPU performance virtualization is applied. From this we can see a 44% increase in performance by simply installing Dynimize and running dyni -start during the warmup period. Here's a quickstart tutorial in case you're curious as to how to do this. 44% is a non-trivial improvement folks. Actually that's quite the understatement. And with a peak throughput of 2.3M QPS using TCP/IP, we've broken the previous 2.1M QPS record that was set using a Broadwell based bare metal server. Threads Single Threaded Improvements There's more to these Dynimize gains. New releases of MySQL have achieved better results on this workload by being able to better scale and take full advantage of the more cores on offer with the latest CPUs. Of course that is a very challenging task and nothing to scoff at. However in real life that means newer versions of MySQL won't necessarily increase performance on many workloads when run on hardware with a more modest number of cores. In fact at times they can even reduce performance. And realistically who's using servers with these many cores today? While some may, the reality is that for most, these scalability improvements on newer versions aren't necessarily helpful without upgrading your current hardware to something with a very high number of CPU cores. However notice something about the Dynimize results… increased performance at every concurrency level. That's because Dynimize achieves the holy grail of performance improvements - improving single threaded CPU performance. That type of improvement simply scales when you add more cores and more threads. That means workloads on smaller servers can also benefit. This single threaded result is somewhat difficult to see with the above graph, so lets zoom in to just the runs with a single connection, as seen below. Single threaded throughput with one connection. Reduced Response Time All this sounds amazing, but what really matters to our end users? A high throughput number feels great, gives me chest thumping bragging rights and adds a boost to help me reach a record QPS number for my blog post's eye-catching benchmarketing title. However for most situations what actually matters is what the end user of our applications experience, which for our purposes all comes down to response time. You'll notice in the below graph that the gains Dynimize achieves are actually a result of reduced response time at every concurrency level. That's a critical improvement that many of us can apply in many real world situations to the benefit of our end users. Average 95th percentile response time for each concurrency level. Above we can see the average 95th percentile response time for each concurrency level, and below we see the individual data points plotted at one second intervals. Threads95th percentile response time for each data point. Let's zoom in on the single threaded response time improvements with Dynimize. Single threaded response time with one connection. As we can see this response time improvement can even be found with the single threaded case. You'll notice the results have a digital look as they are only recorded in increments of 0.01 ms. I would argue that the above response time improvements at all concurrency levels are the most valuable benefit Dynimize will provide to most real-world use cases. Disabling Spectre/Meltdown Mitigations Maybe at this point you're wondering why the baseline performance when using TCP/IP connections without Dynimize is only 1.6M QPS for a relatively newer server with 224 vCores, compared to 2.1M QPS on an older Broadwell based server with 96 physical cores at 196 hardware threads. Is KVM virtualization overhead the only thing holding back these results? Seeing that the old record was set in Oct 2017 just a few months before the Spectre and Meltdown mitigations were introduced into Linux, I felt that these mitigations were an obvious place to look. Let's try disabling the mitigations within Linux by setting the following in /etc/default/grub: GRUB_CMDLINE_LINUX="spectre_v2=off nopti spec_store_bypass_disable=off" Here is a comparison of the performance without Dynimize with and without these mitigations enabled. Threads Our baseline without Dynimize has gone from 1.6M QPS to 2.39M QPS by simply disabling these mitigations. That is a massive boost that is quite shocking to me. My suspicions are that some of the mitigations enabled by default may not be necessary on AMD Rome systems, or potentially some of these mitigations are not well tuned for these processors. Regardless of the cause, the same experiment with mysqld dynimized gives the following: Threads We are now at over 3M QPS on a single virtual machine by dynimizing mysqld. That's pretty amazing! Now what else can we do? TCP/IP vs Unix Sockets Seeing that we're running Sysbench and MySQL on the same server, we can connect to MySQL using a Unix socket file and bypass the TPC/IP stack with its associated overhead. Below are the results. Threads As you can see we get a nice boost here using the Unix socket file, lifting peak throughput to 3.4M QPS with all other enhancements enabled. That compares favourably to the previous Unix socket record of 2.25M QPS that would not have included any Spectre and Meltdown mitigations. Below are graphs of all these performance enhancements combined. Threads Below is a plot of the consolidated QPS for each concurrency level. Threads Dynimizing the Sysbench Process Sysbench is based on the Lua scripting language and has undergone many improvements to reduce the overhead of the sysbench process. It was bundled with LuaJIT for exactly that reason, however like other programs that include JIT compilers, its performance still relies heavily on the machine code of its actual executable (in this case the sysbench executable) along with the shared libraries that all programs rely on. That of course leaves us with an opportunity for Dynimize to dynamically compile and optimize with profie guided optimizations the executable machine code within sysbench that isn't running in the LuaJIT code cache. Dynimize works in this context because it automatically ignores anonymous code regions that can potentially be a JIT code cache, and only targets the executable and shared library code regions. So to target the sysbench process I simply add sysbench under [exeList] in /etc/dyni.conf. The challenge here is that because you need to start a new sysbench process every time you want to increase the number of threads/connections, each new sysbench process must become dynimized again. This results in dynimizing overhead and a delay before sybench reaches the dynimized state, interfering with the results. Since we're trying to set a QPS record, we'd like to see everything fully dynimized before measurements begin. To do this I run Sysbench with Dynimize however only include the data points after the dynimizing warmup period is complete. To simplify the post processing step I only do this for one run at 512 connections. Throughput change after dynimizing the sysbench process. The above graph plots QPS at one second intervals with and without sysbench dynimized after the warmup period. In both runs we have mysqld dynimized, along with the Spectre and Meltdown mitigations disabled using using a Unix socket file for communication. Here you can see that dynimizing the sysbench process provides for an additional boost in QPS, bringing the sustained average throughput to our new 3.6M QPS record. Wrap up Well that was fun! In the end we saw a 44% QPS increase after dynimizing mysqld vs baseline, and over 3.6 million queries per second on this single VM server with MySQL 8.0 after all performance enhancements were combined. Beyond that, we were also able to achieve these improvements with Dynimize all the way down to the single threaded case. More importantly, we measured response time reductions with Dynimize of up to 38% with significant reductions at every concurrency level. This post also shows us how accessible large servers are becoming in the cloud. To be able to push 3.6 million queries per second on a single cloud VM instance using a free opensource RDBMs is testament to what is possible today in the modern cloud. I also found it very interesting that the instances with the most CPU performance available right now on Google Compute Platform are base on AMD EPYC 2 processors. Unfortunately we also saw that the current default Spectre and Meltdown mitigations enabled within Linux on this system incur a massive performance penalty with this workload, and it was necessary to disable them to perform a more apples-to-apples comparison of the previous max MySQL QPS record on a single server. From this we can see that Dynimize is necessary to achieve the very best possible performance for certain MySQL workloads, such as this one involving well indexed point selects hitting the InnoDB buffer pool. It also shows a clear performance upgrade path for those wishing to see CPU-side performance improvements with MySQL without having to 1) migrate to a new server, 2) take the risk of modifying your app or infrastructure, or 3) restart MySQL with the associated downtime. I'd love to hear your thoughts and questions so please comment below. https://dynimize.com/blog/discussions/mysql-dynimize-3-6-million-queries-per-second-on-a-single-vm/

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learninglcom · 6 years ago

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Learning Electron: Build Desktop Apps using JS+HTML+CSS

Mastering electron fundamentals: ipc module, basics, menus, browserWindows and much more! What you'll learn : Build Cross Platform Desktop Applications for Mac, Windows and Linux Understand the near-entire Electron API in detail. Mastering the Basics fo Electron Framework Develop both traditional single-window apps and status tray-based apps Get an Understanding about how Electron works Debug Electron Application Testing Electron Application Requirements : Should have experience of building static web pages using HTML & CSS. Knowledge of Javascript is required Knowledge of NodeJs is required Description : Electron helps us develop cross-platform applications by using existing web technologies. You don't need specific skills, for most cases, to develop apps with Electron. If you are a web developer and are interested in developing an app with Electron, then make sure you check out tutorials that will follow this article in this series. If you want your application to be available for all the platforms we talked about, you need to deploy your app using different technologies. This is very manual and time-consuming. Now, if we talk about Electron, it is obvious that this is a JavaScript-based framework. Because all the platforms support web technologies, Electron helps in developing cross-platform apps easier. Popular applications that use Electron include Visual Studio Code, Slack, and Atom Editor. Electron Features Security You don’t need to think much when migrating your existing application to Electron as the application we are creating is a desktop application and data stays locally in the system. Because of this, you can ensure data security. In case you need to store data in the cloud, check whether your cloud network has enough security functions beforehand to avoid any unwanted surprises. Low-Level Accessibility Before starting out, you also have to check whether all the functionalities you are providing for your desktop application are also available in Electron. In my experience, Electron provides enough control to have the extended interactive features in your application, such as Keyboard Shortcuts. It also provides low-level accessibility to the hardware and operations system components. Hardware Accessibility Developers can get complete access to the all hardware level access APIs expose over the JavaScript/Plugin. There is no need to compromise for the feature if you want to migrate to Electron. Performance Electron thrives in this aspect. If proper care is taken while developing (load only what you need), Electron can show some great gains in the terms of performance when compared to native applications. Electron saves a lot of time and provides more options to play with or develop by having a single code base for all the major platforms. These are the major problems when we deal with the native development of applications, which are all effectively solved by Electron. However, a lot of people say that Electron is very memory hungry. I agree with this statement, but only if you develop the applications without proper care. Code and App Management As a Product Owner, you don’t need to maintain different teams for each platform and you will be relieved from the hassle of re-explaining your requirements with different teams. It will also reduce the auditing work to make sure the product has the same functionality across platforms. As a developer, you need not worry about different codebases. If you encounter a bug on any platform, you can fix it at the code base. The bug will never show up on other platforms. However, you should still keep an eye on the OS level functionalities. Reusability Because we are using a single code base, it means we can use this for both web applications and desktop applications. We are, in a way, also reusing the base code across different platforms since we “code once, distribute everywhere.” Production The more known frameworks we use, the more support we get. This, in turn, gives us more open source libraries we can reuse and the decreased time to production but with more features. Deployment/Build This is one of the interesting aspects of Electron. There is an electron-packager module available that helps us bundle the whole code base into the respective packages. Although people debate that Electron takes a lot of memory, as I said, Electron needs a little care during development to avoid this. UI/UX With web technologies, you are open to multiple technologies that provide great User Interface (UI) and User Experience (UX) to all your users with great comfort. Also, you can be sure that you are providing the same experience to all your users across different platforms. Cost and Time You will save a lot of development time and money because, for the tech stack we use, there are a lot of developers who can do it for less and achieve good results. You can save a lot of time using the single code base and any developer can work on anything. History of Electron When we talk about any technology we need to talk a little about the history behind it. Let's briefly look at the history of Electron. Electron was founded by Cheng Zhao, during the development of Atom a cross-platform text editor released in July 2013. It was made open source, developed, and supported by GitHub using C++, JavaScript, Objective C, and Python. It was intended to make cross-platform development easier for Atom creation. Who this course is for : Anyone who wants to create compelling native desktop applications Download Torrent Read the full article

#basics #ipc module #JS+HTML+CSS #Linux #menus #Platform Desktop #Windows

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michellelewis7162 · 5 years ago

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Personalized Mobile Progression

Mobile sector has actually viewed incredible development in the final handful of years along with the introduction of manies thousand of foreign advancement centers. Listed here personalized progression jobs are actually managed through creators that possess years of expertise in making and also establishing mobile phone apps to comply with the min demands of a service.

Along with the amount of consumers accessing the Internet via their mobile phone phones, the necessities for such custom-made apps has actually raised notably. It is actually no shock that profession and also trade titans such as ebay.com, Amazon and so on released their very own mobile phone functions numerous years back. Custom Software Development Company Florida

Along with the advancement of 3G and also wise phones, bulk of organisations are actually appearing at mobile phone advancement to market their services. The top quality that has actually produced this kind of progression such an appealing proposal is actually the simple fact that mobiles are actually zero much longer limited as interaction unit simply, however have actually come to be a comprehensive mixeds media tool.

Important Tips for Custom Mobile Development

Make sure that your use is actually light in weight as this is actually much easier for customers to install and also utilize. Inquire your programmers certainly not to utilize excessive resources and also factors in your application. Portable unit consumers like straightforward applications, which could be worked utilizing a handful of switches.

Launch frequent spots and also updates and also remain in sync along with the most recent equipment growth in the field. This will definitely certainly not just improve your customer foundation yet likewise your reliability in the marketplace.

Carry out discountenance overdesign, as this is just one of the primary oversights, services dedicate when it concerns customized progression of their apps for different portable gadgets. Your request requires to become straightforward and also there is actually no damage in attracting creativity coming from productive treatments Miami.

Contemplate the function in your thoughts prior to coming close to the creators. This is vital as you recognize your organisation much better than any person else, as well as recognize your assumptions coming from the application Florida.

To possess an efficient advertising project, pick multi-platform mobile phone growth, which will definitely make certain that you target consumers utilizing primary os Jacksonville.

Custom-made Mobile Development for Businesses

Everybody possesses various criteria for his or even her mobile phone. It is actually virtually inconceivable for mobile phone advancement firms to comply with all demands along with their nonpayment functions.

The intro of Smartphones such as Blackberry and also apple iphone has actually extremely improved the personalized mobile phone progression market. They progressively have actually begun attempting their good luck at bring in customized mobile phone applications for significant services. Along with expanding attraction of customized mobile phone application happens improving conclusion amongst the little and also mid-level organizations to maintain in the market.

Maintaining an eye on the increasing requirement for individualized mobile phone functions for services, mobile phone firms are actually pressuring even more on this advancement. Various organisation homes call their mobile phone supplier in purchase to develop a certain kind of mobile phone app. The conveniences of customized mobile phone app growth are actually massive; nevertheless, this is actually one of the simple factors that custom-made mobile phone advancement for organisation is actually receiving therefore a lot recognition.

Threats linked with customized mobile phone growth:

Regularly tally the performance of function along with ROI (Return On Investment). If ROI is actually more than the expenditure, the application costs getting, else certainly not.

Regularly focus on the system software of your mobile phone just before acquiring a custom-made app. If the application is actually inappropriate along with the Operating System, your assets will certainly be actually totally lost.

You constantly must note the intended usage of the function. If the application complies with each one of all of them, and also certainly not a number of all of them, merely after that you need to opt for acquiring it.

Along with mobile phone phones, consistently happens the concern of mind area. Devoting very a lot room for the app would certainly not be actually a practical tip for any sort of company.

Mobile Development for Android

The dawn of mobile phone phones have actually created our lifestyle much easier than in the past as well as many thanks to the improved variations like that of apple iphone, contact display phones, Smartphones and so on that numerous mobile phone modern technologies are actually put together right into one unit. Mobile Development Orlando for Android is actually mostly located on Java.

Developers, that really want to remain in this hectic as well as very competitive market, have to accept Android Mobile Development Orlando. Much, even more than 50000 Android mobile phone functions have actually currently been actually created for Android powered mobile phone phones.

There are actually 3 models of Android os accessible for various mobile phone apps:

It is actually a closed up exclusive mobile phone advancement system. A brand new layout foreign language Metro permits mobile phone designers to include the operating device along with 3rd celebration and also various other Microsoft companies.

Mobile phone growth has actually come to be one of the very most very competitive regions for the programmers. Around the planet, mobile phone programmers make use of mobile phone systems for the advancement of some remarkable applications.

Apple iphone - The i-generation's progression system, iphone is actually made use of through mobile phone creators to generate requests for the apples iphone, ipad tablets and also Apple TELEVISION. It is actually only utilized for apple iphone growth, as Apple carries out certainly not accredit its own iphone for installment on 3rd party equipment. This system is actually stemmed from Mac Operating System X and also is actually consequently a Unix-like system software naturally Orlando.

- Easier information transactions throughout various mobile phone systems is among the major conveniences of Android. There are actually GSM, Bluetooth, UMTS, EDGE, EV-DO, CDMA, as well as Wi-Fi solutions in Android to transmit information.

- Android made it possible for phones possess a broad amount of functions including Touchscreen, Video Camera, accelerometer as well as magnetometer, as well as GPS.

- All the Android phones possess IPC or even Interprocess interaction information passing location.

- Android powered phones provide different collections for 2D and also 3D graphics. There are actually likewise an amount of collections for video clip, sound, and also graphics.

- There is actually SQLite for holding information.

- There are actually lots of non-code application resources including design, picture as well as chain data, which must be actually device-specific. Designers possess to develop distinct format documents for a variety of monitor measurements.

- Each of these components should be actually switched on individually.

- Android Apps have to be actually combined along with much more than one function component. Commonly, an Android function features several solutions, tasks, program recipients, and also information suppliers.

- Each of these parts ought to conduct distinctive duties.

- Files ought to proclaim the parts together with their criteria. If the part needs a distinct components arrangement, it must be actually discussed in the equivalent report.

- Benefits of mobile phone growth for Android: There is actually a trigger, contacted 'User-friendliness'. The mobile phone innovation that strikes the trigger, are going to succeed royalty of level of popularity. Allow's check out the benefits of Android permitted cellphones over various other mobile phones.

Google.com Android - Mobile progression was actually changed since the launch of Android, which is actually located upon a tweaked variation of the Linux piece. This easy to use system's program pile contains Java functions operating on a Java-based, object-oriented function platform in addition to Java center public libraries. Android began as an Operating System coming from a little start-up provider and also was actually eventually gotten through Google.

BlackBerry Operating System - This is actually an exclusive growth system built through Research In Motion for its own BlackBerry units. EDGE makes it possible for 3rd party designers to compose software application utilizing the offered BlackBerry API (use shows user interface) courses. There are actually much more than 15,000 downloadable requests, which are actually created utilizing this system.

Popular Mobile Development Platforms.

Android 1.5

Android 2.0/ 2.1.

Android 1.6.

Possessed through Google and also a team of virtually 65 mobile phone providers, Android uses a freedom to step in to mobile phone function growth. Android has actually provided programmers the location to build any kind of Android mobile phone function on a variety of systems like Linux, Windows, as well as Mac Operating System X.

Symbian Operating System - Holding some of the most extensive cooperate the marketplace, Symbian Operating System is among the faves one of mobile phone designers. It is actually a free resource system software (Operating System) and also advancement system created for cell phones as well as preserved through Nokia. The Symbian piece (EKA2) assists completely prompt real-time action to create a single-core phone around it.

A few of these systems are actually only confined to the agencies, which create items while others are actually on call for 3rd party use. There are actually offshore advancement facilities around the globe, which are actually utilizing these systems for the progression as well as jogging of remarkable uses, which work on these systems. You can easily contract out custom-made advancement tasks to such facilities Orlando.

A handful of traits to consider: If you are actually an Android creator, you need to always keep a handful of factors in thoughts prior to working with mobile phone growth for Android.

Popular Development Platforms.

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dmroyankita · 5 years ago

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What is Kubernetes?

Kubernetes (also known as k8s or “kube”) is an open source container orchestration platform that automates many of the manual processes involved in deploying, managing, and scaling containerized applications.

In other words, you can cluster together groups of hosts running Linux containers, and Kubernetes helps you easily and efficiently manage those clusters.

Kubernetes clusters can span hosts across on-premise, public, private, or hybrid clouds. For this reason, Kubernetes is an ideal platform for hosting cloud-native applications that require rapid scaling, like real-time data streaming through Apache Kafka.

Kubernetes was originally developed and designed by engineers at Google. Google was one of the early contributors to Linux container technology and has talked publicly about how everything at Google runs in containers. (This is the technology behind Google’s cloud services.)

Google generates more than 2 billion container deployments a week, all powered by its internal platform, Borg. Borg was the predecessor to Kubernetes, and the lessons learned from developing Borg over the years became the primary influence behind much of Kubernetes technology.

Fun fact: The 7 spokes in the Kubernetes logo refer to the project’s original name, “Project Seven of Nine.”

Red Hat was one of the first companies to work with Google on Kubernetes, even prior to launch, and has become the 2nd leading contributor to the Kubernetes upstream project. Google donated the Kubernetes project to the newly formed Cloud Native Computing Foundation (CNCF) in 2015.

Get an introduction to enterprise Kubernetes

What can you do with Kubernetes?

The primary advantage of using Kubernetes in your environment, especially if you are optimizing app dev for the cloud, is that it gives you the platform to schedule and run containers on clusters of physical or virtual machines (VMs).

More broadly, it helps you fully implement and rely on a container-based infrastructure in production environments. And because Kubernetes is all about automation of operational tasks, you can do many of the same things other application platforms or management systems let you do—but for your containers.

Developers can also create cloud-native apps with Kubernetes as a runtime platform by using Kubernetes patterns. Patterns are the tools a Kubernetes developer needs to build container-based applications and services.

With Kubernetes you can:

Orchestrate containers across multiple hosts.

Make better use of hardware to maximize resources needed to run your enterprise apps.

Control and automate application deployments and updates.

Mount and add storage to run stateful apps.

Scale containerized applications and their resources on the fly.

Declaratively manage services, which guarantees the deployed applications are always running the way you intended them to run.

Health-check and self-heal your apps with autoplacement, autorestart, autoreplication, and autoscaling.

However, Kubernetes relies on other projects to fully provide these orchestrated services. With the addition of other open source projects, you can fully realize the power of Kubernetes. These necessary pieces include (among others):

Registry, through projects like Atomic Registry or Docker Registry

Networking, through projects like OpenvSwitch and intelligent edge routing

Telemetry, through projects such as Kibana, Hawkular, and Elastic

Security, through projects like LDAP, SELinux, RBAC, and OAUTH with multitenancy layers

Automation, with the addition of Ansible playbooks for installation and cluster life cycle management

Services, through a rich catalog of popular app patterns

Get an introduction to Linux containers and container orchestration technology. In this on-demand course, you’ll learn about containerizing applications and services, testing them using Docker, and deploying them on a Kubernetes cluster using Red Hat® OpenShift®.

Start the free training course

Learn to speak Kubernetes

As is the case with most technologies, language specific to Kubernetes can act as a barrier to entry. Let's break down some of the more common terms to help you better understand Kubernetes.

Master: The machine that controls Kubernetes nodes. This is where all task assignments originate.

Node: These machines perform the requested, assigned tasks. The Kubernetes master controls them.

Pod: A group of one or more containers deployed to a single node. All containers in a pod share an IP address, IPC, hostname, and other resources. Pods abstract network and storage from the underlying container. This lets you move containers around the cluster more easily.

Replication controller: This controls how many identical copies of a pod should be running somewhere on the cluster.

Service: This decouples work definitions from the pods. Kubernetes service proxies automatically get service requests to the right pod—no matter where it moves in the cluster or even if it’s been replaced.

Kubelet: This service runs on nodes, reads the container manifests, and ensures the defined containers are started and running.

kubectl: The command line configuration tool for Kubernetes.

How does Kubernetes work?

Kubernetes diagram

A working Kubernetes deployment is called a cluster. You can visualize a Kubernetes cluster as two parts: the control plane, which consists of the master node or nodes, and the compute machines, or worker nodes.

Worker nodes run pods, which are made up of containers. Each node is its own Linux® environment, and could be either a physical or virtual machine.

The master node is responsible for maintaining the desired state of the cluster, such as which applications are running and which container images they use. Worker nodes actually run the applications and workloads.

Kubernetes runs on top of an operating system (Red Hat® Enterprise Linux®, for example) and interacts with pods of containers running on the nodes.

The Kubernetes master node takes the commands from an administrator (or DevOps team) and relays those instructions to the subservient nodes.

This handoff works with a multitude of services to automatically decide which node is best suited for the task. It then allocates resources and assigns the pods in that node to fulfill the requested work.

The desired state of a Kubernetes cluster defines which applications or other workloads should be running, along with which images they use, which resources should be made available to them, and other such configuration details.

From an infrastructure point of view, there is little change to how you manage containers. Your control over containers just happens at a higher level, giving you better control without the need to micromanage each separate container or node.

Some work is necessary, but it’s mostly a matter of assigning a Kubernetes master, defining nodes, and defining pods.

Where you run Kubernetes is up to you. This can be on bare metal servers, virtual machines, public cloud providers, private clouds, and hybrid cloud environments. One of Kubernetes’ key advantages is it works on many different kinds of infrastructure.

Learn about the other components of a Kubernetes architecture

What about Docker?

Docker can be used as a container runtime that Kubernetes orchestrates. When Kubernetes schedules a pod to a node, the kubelet on that node will instruct Docker to launch the specified containers.

The kubelet then continuously collects the status of those containers from Docker and aggregates that information in the master. Docker pulls containers onto that node and starts and stops those containers.

The difference when using Kubernetes with Docker is that an automated system asks Docker to do those things instead of the admin doing so manually on all nodes for all containers.

Why do you need Kubernetes?

Kubernetes can help you deliver and manage containerized, legacy, and cloud-native apps, as well as those being refactored into microservices.

In order to meet changing business needs, your development team needs to be able to rapidly build new applications and services. Cloud-native development starts with microservices in containers, which enables faster development and makes it easier to transform and optimize existing applications.

Production apps span multiple containers, and those containers must be deployed across multiple server hosts. Kubernetes gives you the orchestration and management capabilities required to deploy containers, at scale, for these workloads.

Kubernetes orchestration allows you to build application services that span multiple containers, schedule those containers across a cluster, scale those containers, and manage the health of those containers over time. With Kubernetes you can take effective steps toward better IT security.

Kubernetes also needs to integrate with networking, storage, security, telemetry, and other services to provide a comprehensive container infrastructure.

Kubernetes explained - diagram

Once you scale this to a production environment and multiple applications, it's clear that you need multiple, colocated containers working together to deliver the individual services.

Linux containers give your microservice-based apps an ideal application deployment unit and self-contained execution environment. And microservices in containers make it easier to orchestrate services, including storage, networking, and security.

This significantly multiplies the number of containers in your environment, and as those containers accumulate, the complexity also grows.

Kubernetes fixes a lot of common problems with container proliferation by sorting containers together into ”pods.” Pods add a layer of abstraction to grouped containers, which helps you schedule workloads and provide necessary services—like networking and storage—to those containers.

Other parts of Kubernetes help you balance loads across these pods and ensure you have the right number of containers running to support your workloads.

With the right implementation of Kubernetes—and with the help of other open source projects like Atomic Registry, Open vSwitch, heapster, OAuth, and SELinux— you can orchestrate all parts of your container infrastructure.

Use case: Building a cloud platform to offer innovative banking services

Emirates NBD, one of the largest banks in the United Arab Emirates (UAE), needed a scalable, resilient foundation for digital innovation. The bank struggled with slow provisioning and a complex IT environment. Setting up a server could take 2 months, while making changes to large, monolithic applications took more than 6 months.

Using Red Hat OpenShift Container Platform for container orchestration, integration, and management, the bank created Sahab, the first private cloud run at scale by a bank in the Middle East. Sahab provides applications, systems, and other resources for end-to-end development—from provisioning to production—through an as-a-Service model.

With its new platform, Emirates NBD improved collaboration between internal teams and with partners using application programming interfaces (APIs) and microservices. And by adopting agile and DevOps development practices, the bank reduced app launch and update cycles.

Read the full case study

Support a DevOps approach with Kubernetes

Developing modern applications requires different processes than the approaches of the past. DevOps speeds up how an idea goes from development to deployment.

At its core, DevOps relies on automating routine operational tasks and standardizing environments across an app’s lifecycle. Containers support a unified environment for development, delivery, and automation, and make it easier to move apps between development, testing, and production environments.

A major outcome of implementing DevOps is a continuous integration and continuous deployment pipeline (CI/CD). CI/CD helps you deliver apps to customers frequently and validate software quality with minimal human intervention.

Managing the lifecycle of containers with Kubernetes alongside a DevOps approach helps to align software development and IT operations to support a CI/CD pipeline.

With the right platforms, both inside and outside the container, you can best take advantage of the culture and process changes you’ve implemented.

Learn more about how to implement a DevOps approach

Using Kubernetes in production

Kubernetes is open source and as such, there’s not a formalized support structure around that technology—at least not one you’d trust your business to run on.[Source]-https://www.redhat.com/en/topics/containers/what-is-kubernetes

Basic & Advanced Kubernetes Certification using cloud computing, AWS, Docker etc. in Mumbai. Advanced Containers Domain is used for 25 hours Kubernetes Training.

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faizrashis1995 · 5 years ago