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Why does volatile exist?

What does the volatile keyword do? In C++ what problem does it solve? 18 Answers 18 ...
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Regular Expression for alphanumeric and underscores

...nally appreciate the readability of the full POSIX character class names ( http://www.zytrax.com/tech/web/regex.htm#special ), so I'd say: ^[[:alnum:]_]+$ However, while the documentation at the above links states that \w will "Match any character in the range 0 - 9, A - Z and a - z (equivalent ...
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R: Comment out block of code [duplicate]

... generate error messages:Error: unexpected '/' in: "#( # start of comment http:/" – PatrickT Mar 11 '13 at 14:32 ...
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How to get function parameter names/values dynamically?

...s is already provided in a local variable named arguments. excerpt from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/arguments: The arguments object is not an Array. It is similar to an Array, but does not have any Array properties except length....
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How to change the default charset of a MySQL table?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Why is string concatenation faster than array join?

Today, I read this thread about the speed of string concatenation. 9 Answers 9 ...
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How to debug a single thread in Visual Studio?

I have a solution with some projects. There are several break-points in different projects. I want to trace the first thread hit one of these break-points and continue tracing that single thread despite of other threads entering the same code-blocks. ...
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Getting current directory in .NET web application

...erver was launched from. It has nothing to do with the website. You want HttpRuntime.AppDomainAppPath. If you're in an HTTP request, you can also call Server.MapPath("~/Whatever"). share | improv...
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Why does Enumerable.All return true for an empty sequence? [duplicate]

The code creates an empty collection of string, then tries to determine if all the elements in the collection are "ABC". If you run it, b will be true. ...
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StringFormat Localization issues in wpf

...evel tag: xml:lang="de-DE" e.g.: <Window x:Class="MyApp" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xml:lang="de-DE" Title="MyApp" Height="309" Width="497" Loaded="Window_Loaded">....</Window&g...