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Where is the “Fold” LINQ Extension Method?
...edia.org/wiki/Fold_(higher-order_function) of a couple dozen languages and C# is the only one that calls it "Aggregate". "Reduce" is the clear winner, followed by "Fold" for the ML family, and "Inject" for Smalltalk and friends.
– Ken
Mar 16 '11 at 22:29
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Returning IEnumerable vs. IQueryable
...here does come with a limitation: the compiler cannot convert every single C# expression into an expression tree. When you use lambda syntax in a context which expects a delegate type (e.g. Func<T, bool>), the compiler creates a regular C# method, so you can use any C# syntax.
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The constant cannot be marked static
...From DotNetPerls:
DLLs. When you use a const field or declaration, the C# compiler actually embeds the const variable's value directly in the IL code. Therefore, it essentially erases the const as a separate entity.
Caution:
If programs that depend on a const are not recompiled after the ...
How can I add (simple) tracing in C#? [closed]
I want to introduce some tracing to a C# application I am writing. Sadly, I can never really remember how it works and would like a tutorial with reference qualities to check up on every now and then. It should include:
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How can I disable horizontal scrolling in a WPF ListBox?
...t;ListBox ScrollViewer.HorizontalScrollBarVisibility="Disabled" />
In C#:
myListBox.SetValue(
ScrollViewer.HorizontalScrollBarVisibilityProperty,
ScrollBarVisibility.Disabled);
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What is the best way to measure execution time of a function? [duplicate]
... if you are looking for more sophisticated approaches. I'd suggest using a C# Profiler.
The advantages they have is:
You can even get a statement level
breakup
No changes required in your codebase
Instrumentions generally have very less overhead, hence very accurate results can be obtained.
Th...
Why does the Visual Studio editor show dots in blank spaces?
...is configured to show whitespace.
Press Ctrl+R, Ctrl+W.
If you are using C# keyboard mappings: (thanks Simeon)
Press Ctrl+E, S.
If you want to use the menu: (thanks angularsen)
Edit > Advanced > View White Space
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Referenced Project gets “lost” at Compile Time
I have a C# solution with two projects: a service (the main project) and a logger. The service uses classes from the logger. I've added a Reference to the logger project within the service project. At design time, autocomplete works fine: the logger's classes are visible, references that I use are c...
Creating Scheduled Tasks
I am working on a C# WPF project. I need to allow the user to create and add a scheduled task to the Windows Task Scheduler.
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程序员必知 —— 编程语言创始人 - 创意 - 清泛网 - 专注C/C++及内核技术
...B. S推出其经典著作The C++ Programming Language的第三版。）
c#语言的创始人
安德斯·海尔斯伯格（Anders Hejlsberg，1960年12月－），丹麦人，Borland Turbo Pascal编译器的主要作者。进入微软公司后，先后主持了Visual J++、.Net和C#。
出生于...