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What is the exact meaning of IFS=$'\n'?

... Normally bash doesn't interpret escape sequences in string literals. So if you write \n or "\n" or '\n', that's not a linebreak - it's the letter n (in the first case) or a backslash followed by the letter n (in the other two cas...
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Does Java have a complete enum for HTTP response codes?

...pe in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values. ...
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How can I generate random alphanumeric strings?

...retty much linearly when generating longer strings (so long as there's actually enough memory available). Having said that, Dan Rigby's answer was almost twice as fast as this one in every test. – LukeH Aug 28 '09 at 0:33 ...
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Extract a number from a string (JavaScript)

...ecific example, var thenum = thestring.replace( /^\D+/g, ''); // replace all leading non-digits with nothing in the general case: thenum = "foo3bar5".match(/\d+/)[0] // "3" Since this answer gained popularity for some reason, here's a bonus: regex generator. function getre(str, num) { ...
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Run an app on a multiple devices automatically in Android Studio

... device. Is there any way to deploy the app on a multiple devices automatically - by clicking Run or even better with a shortcut? ...
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How do I deep copy a DateTime object?

...or now assume DateTime is returned from some opaque API that I can't just call over again. For example, I have a function that handles orders that returns a DateTime which is when the customer can next place an order. Calling the function to create a copy produces side effects I don't want. ...
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Click through div to underlying elements

...'scale'); background: none !important; Here is a basic example page with all the code. share | improve this answer | follow | ...
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Java string to date conversion

...tern seems valid. Here's an extract of relevance from the javadoc, listing all available format patterns: Letter Date or Time Component Presentation Examples ------ ---------------------- ------------------ ------------------------------------- G Era designator Text ...
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How to handle multiple heterogeneous inputs with Logstash?

...gist.github.com/fairchild/3030472 Per documentation: Add a 'type' field to all events handled by this input. Types are used mainly for filter activation. The type is stored as part of the event itself, so you can also use the type to search for it in the web interface. – Tony...
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How do I get the full url of the page I am on in C#

... I usually use Request.Url.ToString() to get the full url (including querystring), no concatenation required. share | improve thi...