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How can I shuffle the lines of a text file on the Unix command line or in a shell script?

... 365 You can use shuf. On some systems at least (doesn't appear to be in POSIX). As jleedev pointe...
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how to convert milliseconds to date format in android?

I have milliseconds. I need it to be converted to date format of 15 Answers 15 ...
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How to set HTTP headers (for cache-control)?

... 33 HTML5 forbids this and <meta> has always been a terrible and flaky way to specify caching. – Kornel ...
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in

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Map enum in JPA with fixed values?

...alizable { public enum Right { READ(100), WRITE(200), EDITOR (300); private int value; Right(int value) { this.value = value; } public int getValue() { return value; } public static Right parse(int id) { Right right = null; // Default ...
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How to get the seconds since epoch from the time + date output of gmtime()?

...ou want calendar.timegm(). >>> calendar.timegm(time.gmtime()) 1293581619.0 You can turn your string into a time tuple with time.strptime(), which returns a time tuple that you can pass to calendar.timegm(): >>> import calendar >>> import time >>> calendar.time...
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How to generate a random alpha-numeric string?

...per.toLowerCase(Locale.ROOT); public static final String digits = "0123456789"; public static final String alphanum = upper + lower + digits; private final Random random; private final char[] symbols; private final char[] buf; public RandomString(int length, Random rand...
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How can I position my div at the bottom of its container?

... answered Feb 8 '09 at 17:13 UserUser 27.2k1717 gold badges7171 silver badges106106 bronze badges ...
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Difference between `constexpr` and `const`

...compiler will only accept it if the function meets certain criteria (7.1.5/3,4), most importantly (†): The function body must be non-virtual and extremely simple: Apart from typedefs and static asserts, only a single return statement is allowed. In the case of a constructor, only an initializatio...
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How do I add a path to PYTHONPATH in virtualenv

...k. – Erik Aronesty Aug 29 '18 at 21:34 Also, if you know the absolute path, what's the point of a variable? ...