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What is the best way to clear a session variable in rails?

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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How to get JSON from URL in JavaScript?

...y are only available within the getJSON function definition block, not outside it. – Robin Hartmann Nov 15 '16 at 11:56 2 ...
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Fastest way to convert an iterator to a list

... that there is no better way in python. It's tedious to have to edit both sides of an expression only to be able to slice or index it. (very common in python3, if it's a pure expression like zip, or map with a pure function) – Jo So Oct 24 '15 at 5:29 ...
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Matplotlib connect scatterplot points with line - Python

... In addition to what provided in the other answers, the keyword "zorder" allows one to decide the order in which different objects are plotted vertically. E.g.: plt.plot(x,y,zorder=1) plt.scatter(x,y,zorder=2) plots the scatter symbols on top of ...
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laravel throwing MethodNotAllowedHttpException

...because you are posting to a GET route. I would split your routing for validate into a separate GET and POST routes. New Routes: Route::post('validate', 'MemberController@validateCredentials'); Route::get('validate', function () { return View::make('members/login'); }); Then your controlle...
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How can I selectively escape percent (%) in Python strings?

...ercent sign, then you probably have to detect the percent character and decide programmatically whether it is the start of a placeholder or not. Then the parser should also recognize sequences like %d (and other letters that can be used), but also %(xxx)s etc. Similar problem can be observed with ...
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How to present popover properly in iOS 8

... { var popoverContent = self.storyboard?.instantiateViewControllerWithIdentifier("NewCategory") as UIViewController var nav = UINavigationController(rootViewController: popoverContent) nav.modalPresentationStyle = UIModalPresentationStyle.Popover var popover = nav.popoverPresentatio...
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What is RPC framework and Apache Thrift?

...ws machine. The code for both server and client is generated from a Thrift IDL file. To get it running, you basically have to add only the intended program logic and put all the pieces together. The single best reference for Apache Thrift is still the Apache Thrift Whitepaper. Although slightly out...
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XPath with multiple conditions

...and author[starts-with(.,'James Small')]] It is a good rule to try to avoid using the // pseudo-operator whenever possible, because its evaluation can typically be very slow. Also: ./somename is equivalent to: somename so it is recommended to use the latter. ...
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java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

...bug report for that specific situation (bugs.eclipse.org/bugs/show_bug.cgi?id=365748). Eclipse developers are in need of more informations about it and ways to reproduce the problem. – Chucky Sep 19 '12 at 10:01 ...