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setting an environment variable in virtualenv

... environment variables is easy through the activate script you sourcing in order to activate the virtualenv. Run: nano YOUR_ENV/bin/activate Add the environment variables to the end of the file like this: export KEY=VALUE You can also set a similar hook to unset the environment variable as su...
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Is it possible for a computer to “learn” a regular expression by user-provided examples?

...e item there is a code: 966-347Z" You have to provide other examples, in order to better describe what is a match and what is not a desired match: --i.e: "My phone is +39-128-3905 , and the phone product id is 966-347Z" -> "966-347Z" The phone number is not a product id, this may be an impor...
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Black transparent overlay on image hover with only CSS?

...n: all 1s; } Use an opacity of 1 when hovering over the pseudo element in order to facilitate the transition: .image:hover:after { opacity: 1; } END RESULT HERE If you want to add text on hover: For the simplest approach, just add the text as the pseudo element's content value: EXAMPLE HERE ....
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Hidden features of Scala

...the match groups into a Seq[String], the elements of which are assigned in order to the variables year, month, and day. share edited Aug 17 '11 at 12:19 ...
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Is it possible to do a sparse checkout without checking out the whole repository first?

...tch, before you've defined the sparse checkout options. But omitting or reordering that isn't going to help. Sparse checkouts affect only the working tree, not the repository. If you want your repository to go on a diet instead, then you need to look at the --depth or --single-branch options inst...
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CSS Box Shadow - Top and Bottom Only [duplicate]

...<head> <style type="text/css"> #test { width: 500px; border: 1px #CCC solid; height: 200px; box-shadow: inset 0px 11px 8px -10px #CCC, inset 0px -11px 8px -10px #CCC; } </style> </head> <body> <div id="test"></div> &l...
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Programmatically open Maps app in iOS 6

...ower code in an else statement after that if. Note that if you reverse the order of items in the openMapsWithItems: array, you'll get directions from the coordinate to your current location. You could probably use it to get directions between any two locations by passing a constructed MKMapItem inst...
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The maximum value for an int type in Go

...s additional math and bounds-checking to be performed by the processor, in order to emulate the larger or smaller integer. With that in mind, be aware that the performance of the processor (or compiler's optimised code) is almost always going to be better than adding your own bounds-checking code, s...
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Is there a Unix utility to prepend timestamps to stdin?

...es, it may be helpful to add BEGIN { $|++; } before the print statement in order to have Perl flush its output with each line. – user725091 May 29 '14 at 11:25 2 ...
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Cross compile Go on OSX?

... Great answer, thank you! In order to compile for use on heroku (intel x86) I slightly modified the line to env GOOS=linux GOARCH=386 go build -v github.com/path/to/your/app and it works like a champ – Ira Herman Au...