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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
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Incidentally, the Microsoft implementation of the C# compiler actually gets the type analysis of the conditional operator wrong in a very subtle and interesting (to me) way. My article on it is Type inference woes, part one.
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Performance differences between debug and release builds
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The C# compiler itself doesn't alter the emitted IL a great deal in the Release build. Notable is that it no longer emits the NOP opcodes that allow you to set a breakpoint on a curly brace. The big one is the optimizer that's ...
How to select an option from drop down using Selenium WebDriver C#?
...namespace was not available after installing Selenium.NET binding into the C# project. Later found out that we can easily install latest version of Selenium WebDriver Support Classes by running the command:
Install-Package Selenium.Support
in NuGet Package Manager Console, or install Selenium.Sup...
Stripping out non-numeric characters in string
Hey Im looking to strip out non-numeric characters in a string in ASP.NET C#
11 Answers
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How to make IntelliJ IDEA insert a new line at every end of file?
...sin for .NET) is driving me crazy, this might be helpful for those writing C# as Ensure line feed at file end on Save alone won't work. It needs
File → Settings → Editor → Code Style → C# → Line Breaks and Wrapping → Line feed at end of file.
I don't remember changing it and I haven't ...
Repository Pattern Step by Step Explanation [closed]
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This is a nice example: The Repository Pattern Example in C#
Basically, repository hides the details of how exactly the data is being fetched/persisted from/to the database. Under the covers:
for reading, it creates the query satisfying the supplied criteria and returns the resul...
When to use in vs ref vs out
...at the called method assign a value to an out parameter is enforced by the c# compiler, and not by the underlying IL. So, a library written in VB.NET may not conform to that convention.
– jmoreno
Mar 1 '14 at 22:36
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Do I have to Close() a SQLConnection before it gets disposed?
...or method and click "disassemble" it will then return the source to you in C# or VB, whichever you've selected in the options.
– statenjason
Apr 24 '10 at 16:11
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“Debug only” code that should run only when “turned on”
I would like to add some C# "debug only" code that only runs if the person debugging requests it. In C++, I used to do something similar to the following:
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Convert Decimal to Double
...our code worked fine in VB.NET because it implicitly does any casts, while C# has both implicit and explicit ones.
In C# the conversion from decimal to double is explicit as you lose accuracy. For instance 1.1 can't be accurately expressed as a double, but can as a decimal (see "Floating point numb...