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C# vs Java Enum (for those new to C#)

...ace ConsoleApplication1 { class Program { static void Main(string[] args) { Planet planetEarth = Planet.MERCURY; double earthRadius = pEarth.Radius; // Just threw it in to show usage double earthWeight = double.Parse("123"); do...
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Wget output document and headers to STDOUT

... Try the following, no extra headers wget -qO- www.google.com Note the trailing -. This is part of the normal command argument for -O to cat out to a file, but since we don't use > to direct to a file, it goes out to the shell. You can use -q...
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How to force a web browser NOT to cache images

... Armin Ronacher has the correct idea. The problem is random strings can collide. I would use: <img src="picture.jpg?1222259157.415" alt=""> Where "1222259157.415" is the current time on the server. Generate time by Javascript with performance.now() or by Python with time.time...
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How to assign Profile values?

...er than it seems. Here's a very very simple example that adds a "FullName" string profile field: In your web.config: <profile defaultProvider="SqlProvider" inherits="YourNamespace.AccountProfile"> <providers> <clear /> <add name="SqlProvider" type="System....
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How to grep for two words existing on the same line? [duplicate]

... Use grep: grep -wE "string1|String2|...." file_name Or you can use: echo string | grep -wE "string1|String2|...." share | improve this answ...
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Return Boolean Value on SQL Select Statement

... This returns a string, not a boolean – OMG Ponies Apr 30 '12 at 2:24 ...
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How do I show a console output/window in a forms application?

...application. /// </summary> [STAThread] static void Main(string[] args) { // initialize console handles InitConsoleHandles(); if (args.Length != 0) { if (args[0].Equals("waitfordebugger")) { MessageBox.Sh...
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map function for objects (instead of arrays)

... There is no need to add an extra HTTP call and an extra library just for one function. In any case, this answer is now outdated and you can simply call Object.entries({a: 1, b: 2, c: 3}) to get an array. – user6269864 ...
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Round to at most 2 decimal places (only if necessary)

... drops any "extra" zeroes at the end. // It changes the result (which is a string) into a number again (think "0 + foo"), // which means that it uses only as many digits as necessary. It seems like Math.round is a better solution. But it is not! In some cases it will NOT round correctly: Math.round...
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What's the scope of the “using” declaration in C++?

I'm using the 'using' declaration in C++ to add std::string and std::vector to the local namespace (to save typing unnecessary 'std::'s). ...