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Is it better to call ToList() or ToArray() in LINQ queries?

... local variable source as an IList<int>. In that way I make sure the C# compiler does not optimze the foreach statement into something which is equivalent to a for (var idx = 0; idx < source.Length; idx++) { /* ... */ } loop. This is something the C# compiler might do if I use var source = ...
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SQL Server Script to create a new user

... Exactly what i want I was trying to create login with c# using Microsoft.SqlServer.Management.Smo.Login class. but i couldn't create. this works with simple code in c# thanks – kordiseps Feb 1 '18 at 11:28 ...
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Why is lock(this) {…} bad?

...te variable instead, an Object instance will do nicely. Run the following C# code as an example. public class Person { public int Age { get; set; } public string Name { get; set; } public void LockThis() { lock (this) { System.Threading.Thread.Sleep(10...
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How is Math.Pow() implemented in .NET Framework?

...er simple operations. Notable is that this can make floating point math in C# substantially faster than the same code in C++, check this answer for the reason why. By the way, the source code for the CRT is also available if you have the full version of Visual Studio vc/crt/src directory. You'll hit...
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Why not inherit from List?

...rs here. I would add to them the following points. What is the correct C# way of representing a data structure, which, "logically" (that is to say, "to the human mind") is just a list of things with a few bells and whistles? Ask any ten non-computer-programmer people who are familiar with the ...
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ReSharper warns: “Static field in generic type”

...ssarily an error - it is warning you about a potential misunderstanding of C# generics. The easiest way to remember what generics do is the following: Generics are "blueprints" for creating classes, much like classes are "blueprints" for creating objects. (Well, this is a simplification though. Yo...
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How to securely save username/password (local)?

... example and discussion for .Net or String encrypt / decrypt with password c# Metro Style for WinRT/Metro. If you are storing the password for reuse, such as supplying it to a third party, use the Windows Data Protection API (DPAPI). This uses operating system generated and protected keys and the T...
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How can you use an object's property in a double-quoted string?

...site formatting". Since Powershell is inextricably bound to .NET for which C# and VB.NET are the primary programming languages, the terms "string interpolation" and "interpolated string" (and anything similar) should be applied only to the new $ prepended strings found in those languages (C# 6 and V...
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If Python is interpreted, what are .pyc files?

...al implementations do), Python is an "interpreted language" if and only if C# and Java are: all of them have a typical implementation strategy of producing bytecode first, then executing it via a VM/interpreter. More likely the focus is on how "heavy", slow, and high-ceremony the compilation proces...
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Differences between ExpandoObject, DynamicObject and dynamic

... According to the C# language specification dynamic is a type declaration. I.e. dynamic x means the variable x has the type dynamic. DynamicObject is a type that makes it easy to implement IDynamicMetaObjectProvider and thus override specifi...