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quickwayinfosystems123 · 1 year ago

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Developing Robust Applications: Your Comprehensive Guide to ASP.NET Development

The ever-evolving world of web development offers a vast array of technologies, and ASP.NET stands out as a robust and versatile framework for crafting dynamic web applications and software solutions. But with so many options available, navigating the world of ASP.NET development can feel overwhelming. This comprehensive guide explores the power of ASP.NET, explores the advantages of working with a development company, and delves into the skilled developer pool of India, empowering you to find the perfect partner and transform your vision into reality.

What is ASP.NET Development?

ASP.NET is an open-source web application framework developed and backed by Microsoft. It allows developers to build:

Interactive web applications: Create user-friendly interfaces with rich features and functionalities.

Scalable enterprise applications: Develop robust solutions that can grow alongside your business needs.

Web APIs: Build secure APIs to connect your applications with other systems and services.

Custom web applications: Tailor applications to your specific needs and unique business logic.

Benefits of ASP.NET Development:

Choosing ASP.NET for your project offers several advantages:

Mature and Reliable: Backed by Microsoft, ASP.NET is a well-established and secure framework with a proven track record.

Wide Range of Features: Offers a rich set of tools and functionalities for building complex web applications.

Large Community & Support: Benefit from a vast and active developer community for support and troubleshooting.

Integration with Microsoft Technologies: Seamless integration with other Microsoft technologies like SQL Server for streamlined development.

Cost-Effectiveness: Open-source nature keeps development costs lower compared to some proprietary technologies (consider licensing costs for specific features).

Beyond the Basics: Exploring Additional Services

ASP.NET Core Development: A lightweight and modular version of ASP.NET, ideal for modern cloud-native applications.

ASP.NET Migration Services: Seamlessly migrate your existing web applications to the latest versions of ASP.NET, ensuring compatibility and security.

Custom ASP.NET Development: Get an application built to your exact specifications, meeting your unique business requirements.

.NET Consulting Services: Leverage the expertise of experienced consultants to optimize your development process and maximize the potential of ASP.NET.

Why Choose an ASP.NET Development Company?

Partnering with a professional ASP.NET development company offers several advantages:

Expertise & Experience: Leverage the skills and knowledge of experienced developers proficient in ASP.NET and related technologies.

Project Management & Efficiency: Benefit from established development processes that ensure your project stays on track and within budget.

Custom Solutions: Get an application built to your exact specifications, meeting your unique business requirements.

Ongoing Support & Maintenance: Enjoy post-development support to ensure your application stays functional and secure.

Exploring ASP.NET Development in India:

India boasts a thriving pool of skilled and experienced ASP.NET developers, making it a compelling option for many businesses:

Cost-Effectiveness: Indian development teams often offer competitive rates compared to other regions.

Large Talent Pool: Access a vast pool of skilled ASP.NET developers proficient in various frameworks (.NET Core, MVC).

Cultural Understanding: Many Indian companies cater to international clients, offering a global perspective combined with cultural sensitivity when developing your project.

Proven Track Record: India houses numerous established ASP.NET development companies with a strong record of delivering successful projects.

Choosing the Right ASP.NET Development Partner:

With a wide range of ASP.NET development companies available, selecting the right one is crucial for success. Here are some key factors to consider:

Experience & Portfolio: Review the company's experience with projects similar to yours. Look for a diverse portfolio showcasing their expertise in building web applications using ASP.NET and related technologies (.NET Core, MVC).

Development Process & Methodology: Understand their development process to ensure it aligns with your expectations (e.g., Agile development for flexibility and continuous feedback).

Team Expertise & Communication: Assess the agency's team's skills and experience in ASP.NET development and relevant technologies. Clear and consistent communication is essential.

Services Offered: Consider if the company offers additional services like ASP.NET Core development, migration services, custom development, or .NET consulting.

Cost & Pricing Structure: Get quotes from several companies to compare their pricing structures and find the best fit for your budget.

Client Testimonials & Reviews: Read what past clients have to say about their experience with the agency. Positive testimonials are a good indicator of their work ethic and quality.

Interactive Session: Share Your ASP.NET Vision!

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dotnetcrunch-blog · 8 years ago

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What is Connection Pooling in ASP.NET?

In previous articles, we have learned to encrypt and decrypt the connection string in web.config file. In this article, we will learn what is connection pooling? Why connection pooling useful? and what is the maximum limit & minimum limit of connection pooling?

Connection Pooling in ASP.NET

When we use ADO.NET in a c# application, the first thing we do is create a connection object and open the…

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netcreator · 3 years ago

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Freelance Web Developers in Delhi

Website specialists need to likewise recall the marking of the site, the variety ranges to be utilized, and the coherence and typography of the site.

Website specialists should stay up with the latest with the state of the art configuration patterns. Additionally vital to keep plan consistency is made well known from other web goliath organizations, Website Development in Delhi like Facebook, and Google. This makes the site climate and connection points simple to explore and use since it is now recognizable to the client's eyes.Static Website architecture implies sites that utilization HTML, CSS, sound, video, pictures,… to make a site interface. It is saved as a .html or .htm record, fixed, these are not editable. Static website composition incorporates 2 sections, including plan and building connection points:

Configuration is the vocation of creators. They utilize Visual computerization programming (Photoshop, Adobe Artist, Sketch, and so on) to construct interfaces as normal pictures.

Interface building is the software engineer's work. They use HTML, Javascript, and CSS code to make a connection point for the site. Subsequent to building the connection point in HTML, you will get a site not surprisingly, however it isn't utilitarian. This connection point is fit for recording occasions like snaps, advances, a few impacts… Be that as it may, this web can not store and recover information (enlistment, buy, search information). The static web gets adhered when you need to change the look and feel. In the event that you don't know HTML then you will be apparent on account of the failure to make web interactions.Dynamic sites are sites that don't have fixed content, can alter and add custom pages. The fundamental dialects for dynamic site writing computer programs are Java, PHP, ASP, ASP.NET, Python,… PHP and ASP.NET are utilized the most often today. Dynamic website composition is the plan of information handling at the rear of a site (back end). This implies that the unique web is a web with a full data set, equipped for handling and putting away information consequently. The Unique web permits simple substance refreshes, utilities, the executives and examination of client information, thus on.The cost of recruiting a web engineer is regularly more than the expense of employing a website specialist. As per ZipRecruiter, the typical rate for web engineers is $45/hour, while the typical rate for website specialists is $36/hour. There are a bigger number of planners than designers, and coding, by and large, is a profoundly sought-after capacity, which is undoubtedly the primary justification behind this lopsidedness. As coding turns out to be more predominant among the ability pool, the difference between the two rates will reduce. Whether you're utilizing specialists or architects, you're paying for their aggregate long stretches of involvement with their field.Today, in web programming, we rapidly understand that we can't stay aware of the quick improvement of new electronic gadgets (cell phones, tablets, and so on) and different screen goals. So rather than planning each proper rendition for every gadget, the ideal arrangement is to utilize responsive plan - making our site reasonable for all gadgets

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seosipl-blog · 6 years ago

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Industrial training SIPL

INDUSTRIAL TRAINING WITH LIVE PROJECTS:

SIPL Training has a strong portfolio Training program since 2007. SIPL Training provides the High-End Training which is the latest and the updated training to fill the gap that exists between the students and the corporate. The candidates are working in Big MNCs after getting training. SIPL offer, Telecom, HVAC, PHP & Wordpress, Asp.Net, Digital Marketing, In this program, we offer only 12-15 candidates in a batch.

SIPL Training is the biggest Project Based Industrial Training Company in Lucknow with high tech infrastructure and lab facilities and the options of opting for multiple courses in Industrial Training in Lucknow Location. SIPL Training in Lucknow prepares thousands of aspirants for Industrial Training at reasonable fees that is customized keeping in mind training and course content requirement of each attendee.

SIPL Training Lucknow is one of the Best Industrial Training Institute in Lucknow with 100% placement support. SIPL Training has well-defined course modules and training sessions for students. At SIPL Training Industrial Training is conducted during Daytime classes, weekend classes, evening batch classes and fast-track training classes.

SIPL Training aggressively promotes it through job-oriented Industrial Training 2019. Our portfolio of BE/ B.Tech All Branches EC/ EI/ EEE/ CS/ IT/ Civil/ Mechanical, MCA / BCA training is huge. We have a large pool of Industry-Certified Trainers, who specialize in domains. SIPL Training provides Live project-based Industrial training.

INDUSTRIAL TRAINING WITH LIVE PROJECTS:Reasons to Choose SIPL Training for Industrial Training in Lucknow

INDUSTRIAL training in Lucknow is designed according to the current market.

Offer the best WINTER INTERNSHIP training and placement in Lucknow with well-defined training modules.

100% Live /Onsite/Practical Projects.

Facilitate regular, weekend, Alternate, and customized INDUSTRIAL training in Lucknow.

One of the biggest team of Certified Expert Trainers with 5 to 15 years of Real Industry Experience.

Smart Labs with Real Latest Equipments.

Students are free to access the labs for unlimited number of hours as per their own preferred timings.

Fully Equipped Smart classrooms with projectors, Live Project Wi-Fi connectivity.

Free of Cost PD sessions including Spoken English, Group Discussions, Mock Interviews, Presentation skills.

CV Preparation & All Tips.

Variety of Study Material: Books, PDF’s, Video Lectures, Sample questions, Interview Questions(Technical and HR).

Hostel Facilities available at Rs 2,500 to 5,500/month for INDUSTRIAL training in Lucknow students.

Globally Recognized Course Completion Certificate.

Absolutely Free Extra Time Slots for Practicals (Unlimited).

The ability to retake the class at no-charge (1 Year Membership Free).

One-on-One attention by instructors.

Help students to take knowledge of complex technical concepts.

Payment options: Cheque, Cash, Credit Card, Debit card, Net Banking.

SIPL Training Industrial Trainers are:

Are truly expert and fully up-to-date in the subjects they teach(spend time working on real-world industry).

Have received awards and recognition from our partners and various recognized Organizations.

Are certified Professionals with 5-15 years of experience.

INDUSTRIAL TRAINING MODULES

SIPL Training Placement Assistance

SIPL Training is the leader in offering placement to the students,

Dedicated placement wing which caters to the needs of the students during placements.

SIPL Training help the students in the development of their Resume/CV as per current industry standards.

SIPL Training conducts Personality Development sessions including Spoken English, Group Discussions, Mock Interviews,

Presentation skills to prepare students to face a challenging interview situation with ease.

SIPL Training has prepared its students to get placed in top Companies

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greysken · 3 years ago

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Skid row i remember you

#Skid row i remember you download

** Single print order can either print or save as PDF. If the icon is greyed then these notes can not be transposed. Please check "notes" icon for transpose options. * Where transpose of I Remember You sheet music available ( not all our notes can be transposed) & prior to print. Be careful to transpose first then print (or save as PDF). If your desired notes are transposable, you will be able to transpose them after purchase. If you selected -1 Semitone for score originally in C, transposition into B would be made. This means if the composers started the song in original key of the score is C, 1 Semitone means transposition into C#. If it is completely white simply click on it and the following options will appear: Original, 1 Semitione, 2 Semitnoes, 3 Semitones, -1 Semitone, -2 Semitones, -3 Semitones. You can do this by checking the bottom of the viewer where a "notes" icon is presented. Most of our scores are traponsosable, but not all of them so we strongly advise that you check this prior to making your online purchase. If not, the notes icon will remain grayed. If transposition is available, then various semitones transposition options will appear. In order to transpose click the "notes" icon at the bottom of the viewer.

#Skid row i remember you download

After you complete your order, you will receive an order confirmation e-mail where a download link will be presented for you to obtain the notes. NET Framework Version:9 ASP.NET Version.This week we are giving away Michael Buble 'It's a Wonderful Day' score completely free. Awesome classic song by Skid Row, single called 'I Remember You'(All rights are reserved by Skid Row, Sebastian Bach and the record company concerned.)Lyric. Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1110 Song_song.Page_PreInit(Object sender, EventArgs e) +387 ModFunctions.GetSetCookie(String cookieName, Int16 daysToExpire) +330 Check out I Remember You song lyrics in English and listen to I Remember You song. ModFunctions.GetCountryIdFromDB(String defaultValue) +21 I Remember You Lyrics- Get Skid Row I Remember You song Lyrics in English. TryOpen(TaskCompletionSource`1 retry) +413 TryOpenInner(TaskCompletionSource`1 retry) +202 TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +312 TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +258 TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +156 TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +1529 It reached number six on the US Billboard Hot 100 and number 23 on the Mainstream Rock Tracks in early 1990. Composed as a power ballad, it was written by bandmates Rachel Bolan and Dave 'the Snake' Sabo. It was released in November 1989 as the third single from their eponymous debut album. UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +109 'I Remember You' is a song by American heavy metal band Skid Row. CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +964 CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) +70 CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +1085 ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling, SqlAuthenticationProviderManager sqlAuthProviderManager) +1431 Information regarding the origin and location of the exception can be identified using the exception stack trace below. Please review the stack trace for more information about the error and where it originated in the code.Įxception Details: 32Exception: The wait operation timed outĪn unhandled exception was generated during the execution of the current web request. The wait operation timed out Description: An unhandled exception occurred during the execution of the current web request. The wait operation timed out Server Error in '/' Application.

#Skid row i remember you

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hireasp · 4 years ago

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10 Best Practices to Improve ASP.Net Core Performance

Here is a major reason why ASP.NET Core is the favorite framework. For all users, it's performance.

It offers developers a stable foundation to build web-based applications. It is crucial to check your application regularly to meet expectations. Hireasp.net is here to hire asp.net developer for your business application.

This blog is about some essential tips for improving speed and performance. It's for your ASP.NET Applications that are Core.

Use the Latest Version

Every version comes with the latest, more advanced capabilities and faster performance.

When developing applications with ASP.NET Core. Make sure you use the most current version of ASP.NET Core. Since Microsoft constantly improves its performance in the most recent version over the earlier version.

1. Avoid Blocking Calls

It is important to design your ASP.NET Core application to execute several processes at once. You can accomplish this by using an Asynchronous API. That can handle thousands of requests and does not rely on calls to be blocked. Instead of waiting for an asynchronous job to finish, it will begin working in a different thread.

The issue in ASP.NET Core applications is blocking the asynchronous execution through calls to Task. The thread is blocked until the task is complete and waits for completion. Run since ASP.NET Core is already running threads within the standard thread pool. Run will result in unnecessary thread Pool scheduling.

Instead, create hot code paths that are synchronous and call I/O, data access. And patterns APIs that run for long periods to run operations asynchronously. So that they can be carried out without affecting other processes.

Ensuring that the technical aspects are in place for a running application can be difficult. We have experts in the field who could become your extended team, able to handle your projects. If you're looking to create the app from scratch or modify your existing application.

2. Use Cache

If you are looking to improve the performance of your application. The well-known method is to cut down on the number of requests made to the server each time. It works: A call is made to the server, and the response is saved. The next time a call is placed for the same response, instead of calling for the server's help. This information is compared with the stored data. And when it's found to be compatible, it is read from the database instead of calling the server.

This is how caching can save time and enhance overall performance. Reducing server calls frequently. It is possible to do either server-side or server-side client-side caching. ASP.NET Core allows different types of caching, including caching in memory Response caching. And also Response caching, Distributed caching, and more.

Always make sure to use it to improve performance!

3. Optimize Data Access

To enhance the performance of the software, we need to improve the efficiency of the data access logic. Since the data is removed directly from the databases, retrieving each time takes time. Here are some methods that can increase your app's performance.

Reduce the number of HTTP calls

Instead of making several connections to your server obtaining the data in just one or more calls.

Make a cache that will store unchanged data.

Do not access the data ahead of time if it isn't needed. This improves the load on the application and can be slow.

4. Optimize Custom Code

Optimizing the code and business logic aids in enhancing the performance of your applications. Here's what you can do.

Create a custom log and authentication or some custom handler that runs each time you request.

Do not run custom executions long-running in the logic layer or middleware. Since it will block the server's request and increase the time to fetch the app's data. Instead, you can optimize your software either on the client or server side.

Asynchronously complete long-running tasks to ensure that other tasks do not get affected.

Real-time client-server communication is SignalR that works Asynchronously.

5. Use Response Caching Middleware

Create fast code by using Middleware elements that can optimize frequently-used code paths. Store responses and serve them from the cache. The component is available in the

It is recommended to employ tools to profile performance like PerfView to find hot code pathways.

6. Minimize Large Object Allocations

Although the. Net Core garbage collector is in charge of all allocations. And releases of memory on its own within the ASP. NET Core application. Cleaning of objects that have not been referenced requires CPU time. Developers should therefore avoid placing unwanted objects into hot code routes. Garbage collection can be expensive and huge heap generations like generation. That requires an indefinite suspension of app performance to clear it. A frequent allocation and cleaning could slow down the app's performance.

Tips:

Caching larger objects because it helps avoid expensive allocations.

Make use of an array pool to keep massive arrays.

Do not allocate large objects to hot code routes.

Our team has a wealth of knowledge of working with Asp.Net applications. We have had a large client base with us on their side for a long time.

7. Use JSON Serialization

.NET Core 3.0 makes use of System.Text.Json to perform JSON serialization. This means that you can write and read JSON Asynchronously. with no waiting around for the other tasks to complete. Utilize JSON since it can improve the application's performance more than Newtonsoft.Json. Json namespace offers high performance and low allocation, and compatible capabilities. That Object in JSON text serialization and the deserialization process of JSON text into objects.

8. Use Response Compression

The compression of file size is a different factor that can improve performance. Response compression reduces the size of the file while in ASP.NET Core. It's available as a middleware component. The majority of responses aren't natively compressed. This is typically the case with CSS, JavaScript, HTML, XML, and JSON.

Do not compress natively compressed files like PNG images.

Do not compress files less than 150-1000 bytes.

9. Minimize Exceptions

The process of throwing and catching exceptions can be slower than other code patterns. Thus they shouldn't be used infrequently and should not be used to regulate the normal flow of programs.

Tips:

Create code logic to identify and deal with situations that can cause exceptions.

Throw or catch exceptions for unpredictability or unusual circumstances.

You can utilize App diagnostic tools like Application Insights to identify common errors in apps and how they work.

Excellent Tips to Improve Performance

Prefer ReadFormAsync over Request Form

Do not store IHttpContextAccessor.HttpContext in a field

Do not open HttpContext through multiple threads. Since it's not secure and may cause undefined behavior. Like crashes, hangs, or data corruption.

Do not record services that are injected into controllers via background threads.

Do not alter the headers or status code after the HTTP response body is started. Because ASP.NET Core doesn't buffer the HTTP response body.

Client-Side Improvements

Bundling and Minification

Optimize your content before loading it using minification. Make sure to reduce the code and load all the client-side assets. After you have reduced the files, put them together to load faster. Like it is with the zip file. Then compress it, and zip it.

Load JavaScript at Last

Be sure that you load JavaScript files last. With this method, your website will be completed in a short amount of time. Also, when JavaScript is running, DOM elements are already there. Therefore, your application can be enhanced speedier.

Shrink Images

Large images require a lot of effort to load. Instead, you can reduce the images with compression tools to reduce the loading speed.

Use CDN

If you're using third-party libraries to CSS and JavaScript that comes with a CDN version. You should try to use your CDN file path instead of downloading the library files. CDN has multiple servers in different zones. If you're using a site within a single region, it will download the CDN file through the server. When accessing the site, which is quicker than self-loading the large library file.

#hire asp.net developer

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siva3155 · 6 years ago

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300+ TOP ADO.NET Objective Questions and Answers

ADO.Net Multiple Choice Questions :-

1. What is the default value for the Method attribute in a ASP.NET server-side Form control A. GET B. POST C. SOAP D. SMTP Answer:- B 2. Which property allows ASP.NET controls to maintain their values when a page is posted to itself. A. EnableViewState B. MaintainValue C. SaveValue D. AutoPostBack Answer:- A 3. In a ASP.NET page, which is the best way to find if the contents of a TextBox has changed after the form containing the TextBox has been posted back to the server A. By comparing the old value with the new value B. By checking the NewValue property of the TextBox control C. By handling the TextBox control's TextChanged event D. By checking the HasChanged property of the TextBox Answer:- C 4. Which statement among the ones below is correct A. The Params and Forms collection of the HTTPRequest class are exactly same and theForms collection has been provided only for backward compatibility B. The HTTPRequest class does include the Params collection C. The HTTPRequest class does include the Forms collection D. The difference between the Params and Forms collection of the HTTPRequest class is that the Params collection also represents QueryStrings, ServerVariables, andCookies Answer:- D 5. Which statement among the ones below is correct a. If you use the server-side version of the tag, you cannot post the form to a different page. b. You can modify the Action attribute of the server-side version of the tag to post the form to a different page c. You have to set the Method and Action attributes of the server-side version of the tag to post the form to a different page d. You can use the SetAction(. method of the server-side version of the tag to post the form to a different page Answer:- A 6. If a form is posted to a different page, the you can retrieve the values of the form elements by a. Using the properties of the ASP.Net controls b. Using the GetElementByID(. method c. Using Request.Params d. The values cannot be retrieved Answer:- C 7. You are performing Form validations with Validation controls. You need to group all the errors at the top of the page and also show error messages besides each element. The messages besides each element need to be detailed and hence different from the messages at top of the page A. You can use the ValidationSummary Control to summarize the messages set in theErrorMessage property of the Validation controls. The messages set in the Text property of the Validation controls can be displayed besides each element. B. The error messages set in the SummaryText property of each Validation control havingisSummary=true will be automatically grouped at the top of the page and the messages set in the Text property can be displayed besides each element. C. The error messages in the Validation control can only be displayed in a popup D. The Validation controls cannot be used in the given scenario Answer:- A 8. How do view states work A. Using Cookies B. Using a hidden form field C. Using Session variables D. Using Application variables Answer:- B 9. You need to dynamically add a TextBox control to a page and display it at specific location A. Place a Label control at the required location in the page and add the control by manipulating the Text property of the Label control B. Place a PlaceHolder control at the required location in the page. Use the Add method of theControls collection of the PlaceHolder control to dynamically add the required control C. Build the HTML for the entire page in a String and insert the HTML code for required control in required place D. You cannot add a control to a page dynamically Answer:- B 10. You require to create an ASP.NET page with the functionality to allow a user to upload a file to the server A. You need to use the System.Web.Upload namespace B. You need to use a COM component to save the file on the server C. You need to use the SaveAs method of the HttpPostedFile class D. The ASP.Net application automatically loops through all the and saves the uploaded files to a virtual folder called "uploads" Answer:- C

ADO.NET MCQs 11. You need to programmatically add a user control without using the Register directive in your code A. Use AddUserControl B. Use cannot programmatically add a user control C. Use UserControl.Add D. Use LoadControl Answer:- D 12. You need to develop a business component myComp.dll in .Net and use it in your ASP.NET page a. You require to register the component using regsvr32.exe b. You require to register the component using TlbExp.exe c. You require to copy the component to the /bin directory in your applications root directory d. You require to copy the component to the /bin directory in your applications root directory and register the component using regsvr32.exe Answer:- C 13. Is it possible for multiple aspx pages to use the same code-behind file, if required A. Yes B. No Answer:- A 14. How is a ASP.NET presentation page associated with its code-behind A. The presentation page includes the code-behind file using #include B. The presentation page includes the code-behind file using C. The presentation page inherits from the code-behind D. The ASP.NET presentation page and the code-behind page have the same name and hence are automatically associated with each other Answer:- C 15. Which namespace would you use if you need to create an ASP.NET application with Microsoft SQL Server 2000 as the database. A. System.Data.SQLServer B. System.Data.SQLClient C. System.Data.OleDb D. System.Data.Microsoft Answer:- B 16. Which namespace would you use if you need to create an ASP.NET application with Oracle as the database. A. System.Data.SQLServer B. System.Data.SQLClient C. System.Data.OleDb D. System.Data.NonMS Answer:- C 17. Which statement among the following is correct while opening a connection using theSQLConnection class A. You cannot specify a connection string B. You need to specify a Provider parameter for the connection string C. You need to use a System DSN D. You cannot use a DSN Answer:- C 18. What method of the Command object would you use if you need to retrieve a single value (for example an aggregate value. from a database A. ExecuteScalar(. B. ExecuteReader(. C. ExecuteSingle(. D. ExecuteNonQuery(. Answer:- A 19. Which are the two things you need to take care of in your ASP.Net application to take advantage of connection pooling (select two. A. You need to set the Pooling property of the Connection object to True B. You need to use the same exact connection string whenever you open a database connection C. You need to call the ReleaseToPool(. method after the connection is closed D. You need to explicitly close the connection with the Close(. method Answer:- B,D 20. You have created a ASP.Net page Transaction by using A. If a transaction already exists, the page will execute within the context of the transaction. However it will not create a new transaction B. If a transaction already exists, the page will execute within the context of the transaction. If a transaction does not exist, it will create a new one C. Creates a new transaction for each request D. You cannot created a ASP.Net page Transaction by using Answer:- B 21. You need to retrieve only schema information about the columns contained in a database table without retrieving data. Which of the following is the best way to retrieve it A. Use the GetSchemaTable(. method of the DataReader in conjunction withCommandBehaviour.SchemaOnly B. Use the SchemaOnly property of the Command class C. Use the GetSchemaOnly(. method of the DataReader D. You cannot retrieve only schema information without retrieving data Answer:- A 23.What will be the values assigned to the two Label controls lblMessage1 & lblMessage2 respectively A. 2 & 3 B. 3 & 3 C. 3 & 4 D. 4 & 4 Answer:- C 23. You need to customize the display format of the DataList control A. Set the DisplayFormat property of the DataList control to Custom B. Set the CustomFormat property of the DataList control to True C. ItemTemplate will allow you to format the appearance of each DataList item D. The display format of the DataList control is predefined and cannot be customized Answer:- C 24. You have a DataList control containing a LinkButton. What would you do to raise theDeleteCommand event in the DataList by clicking on the LinkButton. A. Set CommandName="delete" in the LinkButton B. Set the OnDelete property of the DataList to the ID of the LinkButton C. A DataList control cannot raise an event in response to events raised by its child controls D. A DataList control cannot contain child controls Answer:- A 25. The Products table has a column named ProductName and a primary key column namedProductID. When a user selects an item in the DataList, you want to retrieve the value of theProductID column associated with it. A. In the DataList control set PrimaryKeyField="ProductID" B. In the DataList control set DataKeyField="ProductID" C. In the DataList control set KeyField="ProductID" D. In the DataList control set id="ProductID" Answer:- B 26. You need to enable paging for a DataGrid control A. You can use a DataReader B. You can use a DataTable C. You can use either the DataReader or DataTable D. A DataGrid does not support paging Answer:- B 27. Can you use a DataView to filter rows in a DataTable A. Yes, by setting the Filter property of the DataView B. Yes, by setting the RowFilter property of the DataView C. Yes, by using the SetFilter(. method of the DataView D. No, a DataView cannot be used to filter rows in a DataTable Answer:- B 28. Which statement is an accurate description of the code below (dtsDataset is a DataSet. Cache("myCachedDataSet". = dstDataset a. Adds a DataSet to the application's cache in the server's memory, automatically preserving it between page requests. b. Adds a DataSet to the cache in the client's memory, automatically preserving it between page requests. c. The Cache object cannot be used to cache a DataSet, it can only cache a DataTable d. The code block is syntactically incorrect and should actually be Set Cache("myCachedDataSet". = dstDataset Answer:- A 29. How can you load an XML file directly into a DataSet A. By setting the XML property of the DataSet class B. By using the GetXML(. method of the DataSet class C. By using the ReadXml(. method of the DataSet class D. You cannot load an XML file directly into a DataSet Answer:- C 30. Your site has been restructured and the paths of few pages have changed. Which method would you use to redirect users requesting for a pages using the old URL A. Create an ISAPI filter to do the above task B. Create an entry in the section of the Web.Config file C. Use the Application.Config file D. Handle the Application_BeginRequest event and use the RewritePath(. method Answer:- D 31. Which statement about the Web.Config file is the most accurate A. The Web.Config file can be only placed in the root of a Web Site to override settings in theMachine.Config file for all applications in a particular Web Site B. The Web.Config file can only be placed in the root of a particular virtual directory C. The Web.Config file can be placed in the root of the Web Site and the root of a virtual directory. The settings from the file in the virtual directory overrides the settings from the file in the Web Site D. The Web.Config file can be placed in the root of the Web Site and the root of a virtual directory and in any subdirectory of an application. The settings from a file at a particular level override the settings from the ones above it. Answer:- D 32. The settings in the Web.Config file are case-sensitive A. True B. False Answer:- 33. The settings in the Web.Config file can be configured to apply to A. An application B. An application or a particular directory C. An application or a particular directory or even an individual file D. The Web.Config file always applies to all pages in the current directory and its subdirectories Answer:- C 34. Is there a way to prevent configuration settings in a Web.Config file from being overridden by aWeb.Config file located below it A. Yes, you can use the allowOverride attribute in the tag to prevent configuration settings in a Web.Config file from being overridden by a Web.Config file located below it B. Yes, you can use the tag to prevent configuration settings in aWeb.Config file from being overridden by a Web.Config file located below it C. If a Web.Config file exist at a particular level then all settings in the Web.Config file located above it are always ignored D. You cannot have more than one Web.Config file in an ASP.NET application Answer:- A 35. If you have an ASP.NET application with cookieless sessions enabled, which statement among the A. You cannot use relative URL's with cookieless sessions B. You cannot use absolute URL's with cookieless sessions C. Cookieless sessions have no relation with URL's D. You cannot have cookieless sessions with an ASP.NET application Answer:- B ADO.Net Objective type Questions with Answers 36. You are part of a team that is using Visual Studio .NET to develop a Web application. You have placed a number of configuration settings for the application in the server's Machine.config file. You learn in a meeting that one of your co-workers has created a Web.config file to store these settings, though in comparing notes you realize that you and your co-worker have used different settings. Which of the following describes what will happen when you execute the application a. The application will run correctly and will use the settings in the Web.config file, ignoring theMachine.config settings b. The application will run correctly and will use the settings in the Machine.config file, ignoring the Web.config settings c. The application will not run correctly until you either remove the Web.config file or delete the settings from the Machine.config file d. The application will run correctly, using only the settings that are identical in the Web.configand Machine.config files e. The application will not run correctly until you modify either the Web.config file or theMachine.config file so that the application settings are identical Answer:- A 37. You are preparing to deploy an ASP.NET Web application. You are currently creating the deployment project. You have started the Web setup project, which is namedAccountManagerDeploy, and added the application output to the project, and now you need to set the directory on the Web server to which the application will be installed. Which of the following procedures should you use to do so (Choose two. Each correct answer presents part of the solution.. A. Set the VirtualDirectory property in the Properties window. B. Select the Web Application Folder in the File System Editor. C. Select the AccountManagerDeploy project in the Solution Explorer. D. Set the Folder property in the Properties window. E. Select the Primary output from AccountManagerDeploy icon in the Solution Explorer. Answer:- A, B 38. You are part of a team that is using Visual Studio .NET to develop a Web application. You are looking through the files in the application, and you see the following files: createmembership.aspx createmembership.aspx.vb Which two of the following statements most accurately describe these two files (Select two.. A. The createmembership.aspx.vb file is a Web form, which displays a user interface to the user B. The createmembership.aspx file is a code file, which contains code that interacts with the user interface in the Web form C. The createmembership.aspx file is an uncompiled file that will become createmembership.aspx.vb when it is compiled D. The createmembership.aspx.vb file is a code file, which contains code that interacts with the user interface in the Web form E. The createmembership.aspx file is a Web form, which displays a user interface to the user F. The createmembership.aspx.vb file is the compiled version of createmembership.aspx Answer:- D, E 39. You are using Visual Studio .NET to develop a Web application. You are beginning to debug your application, and you would like to store debug messages in the Windows event log as you proceed with testing. Which of the following will allow you to do so A. TextWriterTraceListener B. DefaultTraceListener C. EventLogTraceListener D. TraceSwitch Answer:- C 40. You are using Visual Studio .NET to develop a Web application for a large video rental store. The titles, as well as other information about the store's videotapes, laser disks, DVDs, and audio books, are stored in a SQL Server 2000 database. The store wants to allow visitors to its Web site to browse the list of titles sorted in various ways, such as by medium (VHS, DVD, etc.., genre, director, and so on. You have created a number of stored procedures to facilitate the different ways of presenting the data. Given an existing DataSet named dsVids and a Connection named conn, which of the following code examples illustrates the correct way to call the stored procedure named ListDVDTitles that returns the list of DVD titles A. Dim daDVDList as New SqlDataAdapter(. daDVDList.SelectCommand = New SqlCommand(. daDVDList.SelectCommand.Connection = conn daDVDList.SelectCommand.CommandText = "ListDVDTitles" daDVDList.SelectCommand.CommandType = CommandType.StoredProcedure daDVDList.Fill(dsVids, "Titles". B. Dim daDVDList as New SqlDataAdapter(. daDVDList.SelectCommand = New StoredProcedure(. daDVDList.SelectCommand.Connection = conn daDVDList.SelectCommand.CommandText = "ListDVDTitles" daDVDList.SelectCommand.CommandType = CommandType.SQLCommand daDVDList.Fill(dsVids, "Titles". C. Dim daDVDList as New SqlDataAdapter(. daDVDList.SelectCommand = New SqlCommand(. daDVDList.SelectCommand.Connection = "ListDVDTitles" daDVDList.SelectCommand.CommandType = CommandType.StoredProcedure daDVDList.Fill(dsVids, "Titles". D. Dim daDVDList as New SqlDataAdapter(. daDVDList.SelectCommand = New SqlCommand(. daDVDList.SelectCommand.CommandText = "ListDVDTitles" daDVDList.SelectCommand.CommandType = CommandType.StoredProcedure daDVDList.Fill(dsVids, "Titles". Answer:- A 42. You are creating a Web service that will include a Web method. You want the method to return its data to the caller as it is created and put into a serial stream, rather than waiting for all of the data to be prepared before returning it. Which of the following WebMethod attributes should you set to enable this 43. The XSLT processor copies the elements of the stylesheet until it finds a command in the format: A. SELECT ... FROM ... WHERE. B. {item, action}. C. {for-each select}. D. none. Answer:- B 44. What standard, protocol or language was generalized to become a standard protocol for sending messages of any type, using any protocol? A. SOAP B. SGML C. SQL D. ADO Answer: A 45. Which of the following statements is not true about XML Schemas: A. They are used to define the content and structure of data. B. They define a set of symbols and the relationships of those symbols. C. They are themselves XML documents. D. They have their own syntax. Answer:- D 46. The most popular way to materialize XML documents is to use: A. DTD. B. XSLT. C. HTML. D. SOAP. Answer:- B 47. With XML: A. views are not limited to one multi-valued path only. B. documents can automatically be generated from database data only. C. database data can automatically be extracted from XML documents only. D. With XML, all of the above are true. Answer:- D 48. To eliminate definition duplication, XML Schemas define: A. an intersection table. B. global elements. C. a normalized definition table. D. None of the above is correct. Answer:- B 48. What is not true about SOAP? A. SOAP originally meant Simple Object Access Protocol. B. SOAP was defined as an XML-based standard for providing remote procedure calls over the Internet. C. SOAP now is just a name, not an acronym D. SOAP was an early form of XML. Answer:- D 49. XML Schemas consist of: A. properties and methods. B. elements and attributes. C. structure and data. D. tables and relationships. Answer:- B 50. The expression FOR XML RAW tells SQL Server to: A. place the values of the columns as attributes in the resulting XML document. B. place the values of the columns into elements rather than attributes. C. place some columns into elements and others into attributes. D. None of the above is correct. Answer:- A 51. ADO.NET provides the ability to create and process in-memory databases called: A. views. B. relations. C. tables. D. datasets. Answer:- D 52. An XML component that defines the structure of a document is known as an A. DOCTYPE. B. DTD. C. #PCDATA. D. HTML Stylesheet. Answer:- B 53. HTML is an application of a more robust document markup language called: A. XHTML. B. XML. C. SGML. D. None of the above is correct. Answer:- C 54. XSLT processors evaluate each statement in the context of the match that has been made. That is, XSLT processors are: A. context oriented. B. procedural oriented. C. object oriented. D. relational oriented. Answer:- A 55. The DTD begins with the word: A. #PCDATA. B. XML. C. DOCTYPE. D. HTTPS. Answer:- C 56. What is not true about XML? A. Web page display is the most important application of XML. B. With XML, there is a clear separation between document structure, content and materialization. C. XML is more powerful than HTML. D. XML documents have two sections. Answer:- A 57. What is not true about XSLT? A. XSLT is a declarative transformation language. B. XSLT uses a set of rules that govern how a document is to be materialized is created. C. XSLT uses a set of procedures that specify how a document is to be programmed. D. XSLT is used to transform the input document into another document. Answer:- C 58. If the XML data instance conforms to the DTD, the document is said to be: A. type-invalid. B. type-valid. C. not-type-valid. D. an HTML document. Answer:- B 59. The document that is used by XSLT to indicate how to transform the elements of the XML document to another format is an A. HTML page. B. DOCTYPE procedure. C. stylesheet. D. stored procedure. Answer:- C 60. If an XML document does not have a DTD, then by definition it is: A. not-type-valid. B. type-valid. C. an HTML document. D. None of the above is correct. Answer:- A 61. Using Which Datasource Control Can Access Oracle DataBase ? a. xmlDatasource b. sqlDataSource c. ObjectDatasource d. All of the Aboove Answer:- C 62. How to get the current user Name ? a. Identity.UserName b. CurrentUser.Identity.Name c. User.Identity.Name d. Based on the Session Variable Name Answer:- C 63.Which is Incorrect ? a. Session objecy is Private to user b. Application Object is global c. Caching can be global or Private d. Application object vaues are accessed accross the application Answer:- C 64. Which is Correct ? a. sql cache invalidation is a new feature in asp.net2.0 b. sql cache invalidation is an existing feature with enhancement c. sql cache invalidation is an existing feature d. sql cache invalidation is a bug in prior version Answer:- D 65.Which is correct ? a. DataTable is member of a DataSet b. DataTable is member of a System.Data c. DataTable is member of a System.Data.SqlClient d. Dataadapter Answer:- B 66.Which is correct ? a. System.String and System.Text are same. System.text is synonym of system.string b. System.String is data type System.Text is Class c. System.String is data type System.Text is namespace d. Non of the abve is right Answer:- D ADO.Net Questions and Answers Pdf Download Read the full article

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suzanneshannon · 7 years ago

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Useful ASP.NET Core 2.2 Features

Earlier this week I talked about how I upgraded my podcast site to ASP.NET Core 2.2 and added Health Check features fairly easily. There's a ton of new features and so far it's been great running on my site with no issues. Upgrading from 2.1 is straightforward.

Better integration with popular Open API (Swagger) libraries including design-time checks with code analyzers

Introduction of Endpoint Routing with up to 20% improved routing performance in MVC

Improved URL generation with the LinkGenerator class & support for route Parameter Transformers (and a post from Scott Hanselman)

New Health Checks API for application health monitoring

Up to 400% improved throughput on IIS due to in-process hosting support

Up to 15% improved MVC model validation performance

Problem Details (RFC 7807) support in MVC for detailed API error results

Preview of HTTP/2 server support in ASP.NET Core

Template updates for Bootstrap 4 and Angular 6

Java client for ASP.NET Core SignalR

Up to 60% improved HTTP Client performance on Linux and 20% on Windows

I wanted to look at just a few of these that I found particularly interesting.

You can get a very significant performance boost by moving ASP.NET Core in process with IIS.

Using in-process hosting, an ASP.NET Core app runs in the same process as its IIS worker process. This removes the performance penalty of proxying requests over the loopback adapter when using the out-of-process hosting model.

After the IIS HTTP Server processes the request, the request is pushed into the ASP.NET Core middleware pipeline. The middleware pipeline handles the request and passes it on as an HttpContext instance to the app's logic. The app's response is passed back to IIS, which pushes it back out to the client that initiated the request.

HTTP Client performance improvements are quite significant as well.

Some significant performance improvements have been made to SocketsHttpHandler by improving the connection pool locking contention. For applications making many outgoing HTTP requests, such as some Microservices architectures, throughput should be significantly improved. Our internal benchmarks show that under load HttpClient throughput has improved by 60% on Linux and 20% on Windows. At the same time the 90th percentile latency was cut down by two on Linux. See Github #32568 for the actual code change that made this improvement.

HTTP/2 is enabled by default. HTTP/2 may be sneaking up on you as for the most part "it just works." In ASP.NET Core's Kestral web server HTTP/2 is enabled by default over HTTPS. You can see here at both the command line and in Chrome I'm using HTTP/2 locally.

Here's Chrome. Note the "h2."

Note that you'll only be able to get HTTP/2 when ALPN (Application-Layer Protocol Negotiation) is available. That means ALPN is supported on:

.NET Core on Windows 8.1/Windows Server 2012 R2 or higher

.NET Core on Linux with OpenSSL 1.0.2 or higher (e.g., Ubuntu 16.04)

All in all, it's a solid release. Go check out the announcement post on ASP.NET Core 2.2 for even more detail!

Sponsor: Preview the latest JetBrains Rider with its Assembly Explorer, Git Submodules, SQL language injections, integrated performance profiler and more advanced Unity support.

Useful ASP.NET Core 2.2 Features published first on https://deskbysnafu.tumblr.com/

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faizrashis1995 · 5 years ago

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What is the MEAN stack? JavaScript web applications

The MEAN stack is a software stack—that is, a set of the technology layers that make up a modern application—that’s built entirely in JavaScript. MEAN represents the arrival of JavaScript as a “full-stack development” language, running everything in an application from front end to back end. Each of the initials in MEAN stands for a component in the stack:

MongoDB: A database server that is queried using JSON (JavaScript Object Notation) and that stores data structures in a binary JSON format

Express: A server-side JavaScript framework

Angular: A client-side JavaScript framework

Node.js: A JavaScript runtime

A big part of MEAN’s appeal is the consistency that comes from the fact that it’s JavaScript through and through. Life is simpler for developers because every component of the application—from the objects in the database to the client-side code—is written in the same language.

This consistency stands in contrast to the hodgepodge of LAMP, the longtime staple of web application developers. Like MEAN, LAMP is an acronym for the components used in the stack—Linux, the Apache HTTP Server, MySQL, and either PHP, Perl, or Python. Each piece of the stack has little in common with any other piece.

This isn’t to say the LAMP stack is inferior. It’s still widely used, and each element in the stack still benefits from an active development community. But the conceptual consistency that MEAN provides is a boon. If you use the same language, and many of the same language concepts, at all levels of the stack, it becomes easier for a developer to master the whole stack at once.

Most MEAN stacks feature all four of the components—the database, the front end, the back end, and the execution engine. This doesn’t mean the stack consists of only these elements, but they form the core.

MongoDB

Like other NoSQL database systems, MongoDB uses a schema-less design. Data is stored and retrieved as JSON-formatted documents, which can have any number of nested fields. This flexibility makes MongoDB well-suited to rapid application development when dealing with fast-changing requirements.

Using MongoDB comes with a number of caveats. For one, MongoDB has a reputation for being insecure by default. If you deploy it in a production environment, you must take steps to secure it. And for developers coming from relational databases, or even other NoSQL systems, you’ll need to spend some time getting to know MongoDB and how it works. InfoWorld’s Martin Heller dove deep into MongoDB 4 in InfoWorld’s review, where he talks about MongoDB internals, queries, and drawbacks.

As with any other database solution, you’ll need middleware of some kind to communicate between MongoDB and the JavaScript components. One common choice for the MEAN stack is Mongoose. Mongoose not only provides connectivity, but object modeling, app-side validation, and a number of other functions that you don’t want to be bothered with reinventing for each new project.

Express.js

Express is arguably the most widely used web application framework for Node.js. Express provides only a small set of essential features—it’s essentially a minimal, programmable web server—but can be extended via plug-ins. This no-frills design helps keep Express lightweight and performant.

Nothing says a MEAN app has to be served directly to users via Express, although that’s certainly a common scenario. An alternative architecture is to deploy another web server, like Nginx or Apache, in front of Express as a reverse proxy. This allows for functions like load balancing to be offloaded to a separate resource.

Because Express is deliberately minimal, it doesn’t have much conceptual overhead associated with it. The tutorials at Expressjs.com can take you from a quick overview of the basics to connecting databases and beyond.

Angular

Angular (formerly AngularJS) is used to build the front end for a MEAN application. Angular uses the browser’s JavaScript to format server-provided data in HTML templates, so that much of the work of rendering a web page can be offloaded to the client. Many single-page web apps are built using Angular on the front end.

One important caveat: Developers work with Angular by writing in TypeScript, a JavaScript-like typed language that compiles to JavaScript. For some people this is a violation of one of the cardinal concepts of the MEAN stack—that JavaScript is used everywhere and exclusively. However, TypeScript is a close cousin to JavaScript, so the transition between the two isn’t as jarring as it might be with other languages.

For a deep dive into Angular, InfoWorld’s Martin Heller has you covered. In his Angular tutorial he’ll walk you through the creation of a modern, Angular web app.

Node.js

Last, but hardly least, there’s Node.js—the JavaScript runtime that powers the server side of the MEAN web application. Node is based on Google’s V8 JavaScript engine, the same JavaScript engine that runs in the Chrome web browser. Node is cross-platform, runs on both servers and clients, and has certain performance advantages over traditional web servers such as Apache.

Node.js takes a different approach to serving web requests than traditional web servers. In the traditional approach, the server spawns a new thread of execution or even forks a new process to handle the request. Spawning threads is more efficient than forking processes, but both involve a good deal of overhead. A large number of threads can cause a heavily loaded system to spend precious cycles on thread scheduling and context switching, adding latency and imposing limits on scalability and throughput.

Node.js is far more efficient. Node runs a single-threaded event loop registered with the system to handle connections, and each new connection causes a JavaScript callback function to fire. The callback function can handle requests with non-blocking I/O calls and, if necessary, can spawn threads from a pool to execute blocking or CPU-intensive operations and to load-balance across CPU cores.

Node.js requires less memory to handle more connections than most competitive architectures that scale with threads—including Apache HTTP Server, ASP.NET, Ruby on Rails, and Java application servers. Thus, Node has become an extremely popular choice for building web servers, REST APIs, and real-time applications like chat apps and games. If there is one component that defines the MEAN stack, it’s Node.js.

Advantages and benefits of the MEAN stack

These four components working in tandem aren’t the solution to every problem, but they’ve definitely found a niche in contemporary development. IBM breaks down the areas where the MEAN stack fits the bill. Because it’s scalable and can handle a large number of users simultaneously, the MEAN stack is a particularly good choice for cloud-native apps. The Angular front end is also a great choice for single-page applications. Examples include:

Expense-tracking apps

News aggregation sites

Mapping and location apps

MEAN vs. MERN

The acronym “MERN” is sometimes used to describe MEAN stacks that use React.js in place of Angular. React is a framework, not a full-fledged library like Angular, and there are pluses and minuses to swapping React into a JavaScript-based stack. In brief, React is easier to learn, and most developers can write and test React code faster than they can write and test a full-fledged Angular app. React also produces better mobile front ends. On the other hand, Angular code is more stable, cleaner, and performant. In general, Angular is the choice for enterprise-class development.

But the very fact that this choice is available to you demonstrates that MEAN isn’t a limited straitjacket for developers. Not only can you swap in different components for one of the canonical four layers; you can add complementary components as well. For example, caching systems like Redis or Memcached could be used within Express to speed up responses to requests.

MEAN stack developers

Having the skills to be a MEAN stack developer basically entails becoming a full-stack developer, with a focus on the particular set of JavaScript tools we’ve discussed here. However, the MEAN stack’s popularity means that many job ads will be aimed at full-stack devs with MEAN-specific skills. Guru99 breaks down the prerequisites for snagging one of these jobs. Beyond familiarity with the basic MEAN stack components, a MEAN stack developer should have a good understanding of:

Front-end and back-end processes

HTML and CSS

Programming templates and architecture design guidelines

Web development, continuous integration, and cloud technologies

Database architecture

The software development lifecycle (SDLC) and what it’s like developing in an agile environment[Source]-https://www.infoworld.com/article/3319786/what-is-the-mean-stack-javascript-web-applications.html

62 Hours Mean Stack Training includes MongoDB, JavaScript, A62 angularJS Training, MongoDB, Node JS and live Project Development. Demo Mean Stack Training available.

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checkbeardr9 · 5 years ago

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Some Ideas on ASP.NET Core Hosting Bundle 2.1 You Should Know

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dmroyankita · 5 years ago

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What is the MEAN stack? JavaScript web applications

Most anyone who has developed web applications knows the acronym LAMP, which is used to describe web stacks made with Linux, Apache (web server), MySQL (database server), and PHP, Perl, or Python (programming language).

Another web-stack acronym has come to prominence in the last few years: MEAN—signifying a stack that uses MongoDB (database server), Express (server-side JavaScript framework), Angular (client-side JavaScript framework), and Node.js (JavaScript runtime).

[ Getting to know Node? Don’t miss: Node.js tutorial: Get started with Node.js • 10 JavaScript concepts every Node developer must master. • The complete guide to Node.js frameworks • 7 keys to structuring your Node app. | Keep up with hot topics in programming with InfoWorld’s App Dev Report newsletter. ]

MEAN is one manifestation of the rise of JavaScript as a “full-stack development” language. Node.js provides a JavaScript runtime on the server; Angular and Express are JavaScript frameworks used to build web clients and Node.js applications, respectively; and MongoDB’s data structures are stored in a binary JSON (JavaScript Object Notation) format, while its queries are expressed in JSON.

In short, the MEAN stack is JavaScript from top to bottom, or back to front. A big part of MEAN’s appeal is this consistency. Life is simpler for developers because every component of the application—from the objects in the database to the client-side code—is written in the same language.

This consistency stands in contrast to the hodgepodge of LAMP, the longtime staple of web application developers. Like MEAN, LAMP is an acronym for the components used in the stack—Linux, the Apache HTTP server, MySQL, and either PHP, Perl, or Python. Each piece of the stack has little in common with any other piece.

Most MEAN stacks feature all four of the components—the database, the front-end, the back-end, and the execution engine. This doesn’t mean the stack consists of only these elements, but they form the core.

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TABLE OF CONTENTS

MongoDB

Express.js

Angular

Node.js

MEAN stack companions

MongoDB

Using MongoDB comes with a number of caveats. For one, it has a reputation for being insecure by default. If you deploy it in a production environment, you must take steps to secure it. And for developers coming from relational databases, or even other NoSQL systems, you’ll need to spend some time getting to know MongoDB and how it works. InfoWorld’s Martin Heller dove deep into MongoDB 4 in InfoWorld’s review, where he talks about MongoDB internals, queries, and drawbacks.

As with any other database solution, you’ll need middleware of some kind to communicate between MongoDB and the JavaScript components. One common way to do that in a MEAN stack is with Mongoose. Mongoose not only provides connectivity, but object modeling, app-side validation, and a number of other functions that you don’t want to be bothered with reinventing for each new project.

Express.js

Express is arguably the most widely used web application framework for Node.js. Express provides only a small set of essential features—it’s essentially a minimal, programmable web server—but can be extended by way of plug-ins. This no-frills design helps keep Express lightweight and performant.

Angular

Angular (formerly AngularJS) is used to build the front end for a MEAN application. Angular uses the browser’s JavaScript to format server-provided data in HTML templates, so that much of the work of rendering a webpage can be offloaded to the client. Many single-page web apps are built using Angular on the front end.

For a deep dive into Angular, InfoWorld’s Martin Heller has you covered. In his Angular tutorial he’ll walk you through the creation of a modern, Angular web app.

Node.js

Node.js takes a different approach to serving web requests from traditional web servers. In the traditional approach, the server spawns a new thread of execution or even forks a new process to handle the request. Spawning threads is more efficient than forking processes, but both involve a good deal of overhead. A large number of threads can cause a heavily loaded system to spend precious cycles on thread scheduling and context switching, adding latency and imposing limits on scalability and throughput.

Node.js is far more efficient. Node runs a single-threaded event loop registered with the system to handle connections, and each new connection causes a JavaScript callback function to fire. The callback function can handle requests with non-blocking I/O calls, and if necessary can spawn threads from a pool to execute blocking or CPU-intensive operations and to load-balance across CPU cores.

Node’s approach requires less memory to handle more connections than most competitive architectures that scale with threads—including Apache, ASP.Net, Ruby on Rails, and Java application servers. Thus Node has become an extremely popular choice for building web servers, REST APIs, and real-time applications like chat apps and games. If there is one component that defines the MEAN stack, it’s Node.js.

For an introduction to Node, see Martin Heller’s explainer. To get started developing with Node, see his Node.js tutorial.

MEAN stack companions

There’s nothing that says a MEAN stack must consist of only MongoDB, Express, Angular, and Node.js. The MEAN stack can include other pieces that complement or extend these four components.

For example, caching systems like Redis or Memcached could be used within Express to speed up responses to requests. Or the React framework could be used as an alternative or a complement to Angular. The acronym “MERN” is sometimes used to describe MEAN stacks that use React in place of Angular.[Source]-https://www.infoworld.com/article/3319786/what-is-the-mean-stack-javascript-web-applications.html

62 Hours

Mean Stack Training

includes MongoDB, JavaScript, A62 angularJS Training, MongoDB, Node JS and live Project Development. Demo Mean Stack Training available.

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jerome-blog1 · 6 years ago

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Sminfo Real Time training

INTRODUCTION

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We specialize in the development of custom software applications, HR services. Specifically, our company carries out custom programming, database design, client-server, e-business solutions and internet/intranet software application development.

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THE HIGHER EDUCATION REALITIES

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SM INFOTECH’S EDUCATION OFFERINGS INCLUDE

An industry endorsed training for students seeking careers in the IT segment.

SM Technologies engineers train the students with on advanced technologies for upgrade their skills as engineering graduates.

The People, who are otherwise brilliant in their subjects, find it difficult to get a good job due to their poor communication skills. In job interviews they fare badly not because of any deficiency in the skills and knowledge required for the job but because they lack the basic ability to communicate comfortably and confidently in English. Fortunately it is not impossible to overcome this handicap. With a well-designed scientific training and adequate practice, it is possible to overcome this handicap to a large extent in few months. Courses been designed for the purpose of helping young career aspirants improves their communication skill in English.

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IT professionals answer the queries and provide insight about current issues & technologies and also respond to relevant technology inputs on ongoing programs.

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Student will get assistance with resume writing and personality development programs.

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Industry Collaboration teams at metro locations will access all the database of students and will place subject to relevant terms with the college authorities.

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INSTITUTION RESPONSIBILITIES:

•Provide space, hardware/software, Projection systems, furniture and fixture, •Electricity required for conducting SM INFOTECH program. •Appoint or allocate Faculty members to take the training at Campus

OUR OFFERING

JAVA •Swing •J2EE •Struts

DOT NET •VB.Net •ASP.Net

WEB DESIGNING & DEVELOPMENT •HTML •CSS •Photoshop •Flash •PHP

My SQL, MS SQL Server, Sybase

COMMUNICATION SKILL DEVELOPMENT (English)

Program Name

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RAJESH. S MANAGING DIRECTOR SM TECHNOLOGIES., 354, Karpaga Nagar 12th street, K.Pudur, Madurai-625 007. Tel-+91 452- 4225506 , 3208368. Mobile No-+91 8144160672.

Email: [email protected] Web Site: www.sminfo.in

Posted by smtechnologies on 2011-10-05 10:09:31

Tagged: , sm , technologies

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