LINQ design interview question

LINQ is one of my favorite interview topics for many reasons. It allows me to check a candidate’s ability to define logic, use SQL skills, showcase lambda expressions, distill the problem into easy steps and of course, see some code in action. Also, since LINQ code is generally quite compact, it is perfect for white…

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Big list of LINQ interview questions and answers compiled

I have had a number of users ping me asking about writing interview questions on LINQ. I actually have a 8 detailed posts on LINQ interview questions. Here is a compilation of the posts:   LINQ interview questions part 3 LINQ interview questions part 2 Entity Framework interview questions LINQ JOIN interview questions LINQ SKIP…

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Entity Framework Interview Question – Explain ENUM usage in EF5

Entity Framework 5 introduced support for Enum’s amongst other new features. This was a long awaited feature by the community.To learn how enums work with entity framework, how can you code them, how to use them, how they are represented in the database, head over to my Explain ENUM usage in EF5 on my programming…

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Entity Framework – what are the different ways to configure database name?

Entity Framework allows you to create a model (either using code-first approach or modeling tools) which can target an existing database or create a new one. So what are the different ways you can use to configure which database to use? How to name it? Read my blog post on my programming interviews blog to…

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How to populate a database table with text from a file

Learn about loading text from a file into a database table on my latest blog post on SQL read text from a file at my programming interviews blog (Direct link: http://www.programminginterviews.info/2013/03/sql-read-text-from-file.html )

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SQL self join or sub-query interview question (employee-manager salary)

One of my favorite interview questions that tips even seasoned SQL guys (maybe because it’s too simple) is around querying data that involves a self join. Question: Given an Employee table which has 3 fields – Id (Primary key), Salary and Manager Id, where manager id is the id of the employee that manages the…

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Advanced programming interview questions and answers

Here is a refresh of my posts on advanced programming interview questions and answers   Lost in a Forest of Trees The Ins and Outs of a Binary Search Tree Simple Patterns: Singleton Pattern Simple Patterns: Repository Pattern Simple Patterns: Factory Pattern Implement a basic Stack using linked List Implement a Queue data structure using…

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JavaScript functions explained

A simple post explaining a few different ways you can write a JavaScript function on my programing interview series blog.

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LINQ interview questions part 3

Continuing the LINQ interview questions series, I have posted a third article on LINQ interview questions on my programming interview series blog.

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How to time any function

Read my post on how to time a function on my programming interview series blog at http://www.programminginterviews.info/2012/07/how-to-time-any-function.html.

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LINQ interview questions part 2

Based on popular demand, LINQ interview questions part 2 is a follow up post to my first LINQ interview questions article.

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Programming interview questions with answers covering ASP.NET, jQuery, JAVA, SQL, LINQ, Entity Framework and Regular Expressions

Having a bit of time in the last few weeks, I managed to hammer out some more detailed posts on my programming interview series blog. Here is the table of contents for easy reference: Introduction Introduction to technical interviewing Technical Interview Process – 30,000 feet overview So, what can be asked in a programming interview?…

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Regular expressions – groups and alternations (Part 3)

Regular expressions are a favorite interview topic. I have recently started writing detailed interview questions and answers on regular expressions. This is the third in the series of programming interview posts on regular expressions. You can read all of them here on my programming interview blog. Regular expressions interview questions–Part 1 Regular Expressions interview questions–part…

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Regular expressions interview questions part 2

Continuing on the programming interview series on regular expressions, here is the next installment at http://www.programminginterviews.info/2012/07/regular-expressions-interview_27.html. Regular expressions interview questions–Part 1 Regular Expressions interview questions–part 2

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Regular expressions interview questions with detailed answers

I recently started a new programming interview question and answer series on regular expressions. The first installment at Regular expressions interview questions–Part 1 talks about regular expression character sets, groups, quantifiers, shorthand and gives a full solution to matching a a 10-digit, US phone number, with or without parentheses, hyphens, or dots and optional 3…

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Entity Framework transaction scope examples

I just posted examples on how to use transaction scopes with entity framework on my programming interviews blog. In this post, I cover three cases in which transaction scope is being used to show rollback when an error occurs during an update of multiple entities: when you have multiple save calls to the context; when…

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Explain C# yield keyword with an example

Getting back to my blogging, I just posted an interview question on my programminginterviews blog on http://www.programminginterviews.info/2012/05/explain-c-yield-keyword-with-example.html. This uses the C# yield keyword to iterate over a collection and return chunks of data to process.

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Entity Framework Interview Questions

Today, I started the Entity Framework Interview Questions on my Programming Interview series blog. Check them out: Entity Framework interview questions Entity Framework and eager loading of related entities interview questions Entity Framework and lazy loading interview questions

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Programming Interview Questions on C++, ASP.NET, C#, SQL and LINQ

  Reached a milestone today on my quest to make better interview questions with answers. Here is the latest list of programming interview questions on my Programming Interviews Series blog. Introduction Introduction to technical interviewing Technical Interview Process – 30,000 feet overview So, what can be asked in a programming interview? Beyond the Code Beginners…

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LINQ interview questions

Check out my latest post on LINQ interview questions on my programming interview blog at Programming Interviews Series.

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LINQ – Group, Sort and Count Words in a sentence by length

In an effort to touch on most of the major technologies for a programming interview, i just wrote my first post on LINQ interview questions titled LINQ – Group, Sort and Count Words in a sentence by length on my programming interview blog at Programming Interviews Series.

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SQL IF-ELSE and WHILE examples

Check out my latest post on SQL IF-ELSE and WHILE examples as part of SQL programming interview questions on my Programming Interviews Series blog.

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SQL CASE statement examples

Continuing on my trek to flesh out more on SQL interview questions and answers, i just finished a post on SQL CASE statement examples on my Programming Interviews Series blog.

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How to create a Windows Service in the Component Designer

Microsoft Windows services enable you to create long-running executable applications that run in their own Windows sessions. These services can be automatically started when the computer boots, can be paused and restarted, and do not show any user interface. These features make services ideal for use on a server or whenever you need long-running functionality…

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jQuery Selectors reviewed

Check out my latest post on jQuery Selectors reviewed on my new blog on Programming Interviews Series.

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jQuery fadeIn, fadeOut and fadeTo effects

Check out my latest post on jQuery fadeIn, fadeOut and fadeTo effects on my new blog on Programming Interviews Series.

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jQuery AJAX functions part 3–ajax()

Check out my latest post on jQuery AJAX functions part 3–ajax() on my new blog on Programming Interviews Series.

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ASP.NET HttpHandlers

Check out my latest post on ASP.NET HttpHandlers on my new blog on Programming Interviews Series.

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ASP.NET HttpModule explained

Check out my latest post ASP.NET HttpModule explained on my new blog on Programming Interviews Series.

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How to find if a number is perfect square

Check out my latest post on How to find if a number is perfect square on my new blog on Programming Interviews Series.

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ASP.NET AJAX using UpdatePanel control

Check out my latest post on ASP.NET AJAX using UpdatePanel control on my new blog on Programming Interviews Series.

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