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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
...gurationManager.AppSettings["blah"]
The square bracket syntax is used in C# to access indexers. These are special properties that allow a class to be indexed in the same way that an array can be. Looking at the definition of the NameValueCollection.Item property, you will notice that it does not u...
How to check if an object is nullable?
...o check in that case! I know the type Nullable<> is a struct, but in C# the constraint where T : struct specifically exclude nullable value-types. The spec says: "Note that although classified as a value type, a nullable type (§4.1.10) does not satisfy the value type constraint."
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Are there any side effects of returning from inside a using() statement?
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Have a look at this
Understanding the 'using' statement in C#
The CLR converts your code into MSIL.
And the using statement gets
translated into a try and finally
block. This is how the using statement
is represented in IL. A using
statement is translated into three
p...
Why do we use arrays instead of other data structures?
... do), we can target hardware that is relatively powerful. Using a List in C# or Vector in Java is the right choice to make in these situations because these structures allow the developer to accomplish the goals faster, which in turn allows this type of software to be more featured.
When writing e...
Mocking Extension Methods with Moq
...hat does never return the concrete instance. Just null in case of a custom c# class!
– HelloWorld
Jun 17 at 15:24
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How can I rename a project folder from within Visual Studio?
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This works for me in Visual Studio 2019, with C# projects. It is a rather simple solution. For people who may be having problems when trying to compile, I recommend you fully rebuild the project instead of only compiling.
– Ader Silva
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Getting “A potentially dangerous Request.Path value was detected from the client (&)”
...cted from the client (&)" . The site is written with ASP.Net MVC 3 (in C#) and is running on IIS 7.5.
5 Answers
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Get value from JToken that may not exist (best practices)
...'s the best practice for retrieving JSON values that may not even exist in C# using Json.NET ?
6 Answers
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Coding Katas for practicing the refactoring of legacy code
...s for refactoring.
Those kata have the code in multiple langauages:
C++
C#
Java
Javascript
Python
Ruby
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The current SynchronizationContext may not be used as a TaskScheduler
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