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What is the purpose of the single underscore “_” variable in Python?

...nt) in an interactive interpreter session. This precedent was set by the standard CPython interpreter, and other interpreters have followed suit As a general purpose "throwaway" variable name to indicate that part of a function result is being deliberately ignored (Conceptually, it is being discarde...
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How to format numbers? [duplicate]

... I wanted to use built in code and this got me there. The locales options is a small issue I'm willing to live with. I think this should be the accepted answer because it takes into account the locale nuances of number rendition. – A...
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Transitions on the CSS display property

... You can concatenate two transitions or more, and visibility is what comes handy this time. div { border: 1px solid #eee; } div > ul { visibility: hidden; opacity: 0; transition: visibility 0s, opacity 0.5s linear; } div:hover > ul { visibil...
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How can I check if an argument is defined when starting/calling a batch file?

... The check for whether a commandline argument has been set can be [%1]==[], but, as Dave Costa points out, "%1"=="" will also work. I also fixed a syntax error in the usage echo to escape the greater-than and less-than signs. In addition, the exit needs...
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Eclipse, regular expression search and replace

... as part of the replace string when performing a regular expression search and replace? 5 Answers ...
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AngularJS HTTP post to PHP and undefined

...ngularjs setting of application/json as header, read the raw input in PHP, and then deserialize the JSON. That can be achieved in PHP like this: $postdata = file_get_contents("php://input"); $request = json_decode($postdata); $email = $request->email; $pass = $request->password; Alternatel...
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Repairing Postgresql after upgrading to OSX 10.7 Lion

...ked when trying to connect to the psql server. When I do it from the command line using 15 Answers ...
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir

...s well. You can use the PHP's file_get_contents function to read that URL and process the retrieved data. Resource: http://developers.facebook.com/docs/api Note: In php.ini, you need to make sure that the OpenSSL extension is enabled to use thefile_get_contents function of PHP to read that URL. ...
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Using python map and other functional tools

This is quite n00bish, but I'm trying to learn/understand functional programming in python. The following code: 9 Answers ...
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How do I bottom-align grid elements in bootstrap fluid layout

...ich I want to fill the span normally. The second column just has a button and some text, which I want to bottom align relative to the cell in the first column. ...