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What is hashCode used for? Is it unique?

...the Hashtable object is constructed. Prior to the .NET Framework version 2.0, the hash code provider was based on the System.Collections.IHashCodeProvider interface. Starting with version 2.0, the hash code provider is based on the System.Collections.IEqualityComparer interface. Basically,...
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Validating IPv4 addresses with regexp

...idation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results: ...
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How to determine if a process runs inside lxc/Docker?

... | edited Jul 2 '19 at 2:44 tshepang 10.3k2020 gold badges7979 silver badges123123 bronze badges ...
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Finding duplicate values in a SQL table

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How to get whole and decimal part of a number?

Given, say, 1.25 - how do I get "1" and ."25" parts of this number? 16 Answers 16 ...
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Structs in Javascript

... | edited Feb 2 '09 at 7:19 answered Feb 2 '09 at 6:41 ...
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Microsoft Roslyn vs. CodeDom

... 242 Disclaimer: I work for Microsoft on the Roslyn team. CodeDom is a precursor to Roslyn, but is...
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Windows batch: formatted date into variable

... 152 You can get the current date in a locale-agnostic way using for /f "skip=1" %%x in ('wmic os ge...
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Stylecop vs FXcop

...cop superseded FXcop? Which product should we be using with Visual Studio 2008? 5 Answers ...
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Regular expression to find URLs within a string

... 27 Answers 27 Active ...