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Where are $_SESSION variables stored?

...x/Unix system. Use the phpinfo() function to view your particular settings if not 100% sure by creating a file with this content in the DocumentRoot of your domain: <?php phpinfo(); ?> Here is the link to the PHP documentation on this configuration setting: http://php.net/manual/en/ses...
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JavaScript: clone a function

... return that.apply(this, arguments); }; for(var key in this) { if (this.hasOwnProperty(key)) { temp[key] = this[key]; } } return temp; }; alert(x === x.clone()); alert(x() === x.clone()()); alert(t === t.clone()); alert(t(1,1,1) === t.clone()(1,1,1)); alert(...
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In Rails, how do you render JSON using a view?

...oller and you want to get a json response for a show request, it'd be nice if you could create a file in your views/users/ dir, named show.json and after your users#show action is completed, it renders the file. ...
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How to effectively work with multiple files in Vim

...h> you can add a new tab; and with a regular :q or :wq you close a tab. If you map :tabn and :tabp to your F7/F8 keys you can easily switch between files. If there are not that many files or you don't have Vim 7 you can also split your screen in multiple files: :sp <filepath>. Then you can...
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Keyboard shortcuts in WPF

...implemented as RoutedCommands. This enables the shortcut keys to work even if they're not hooked up to any controls. And since menu items understand keyboard gestures, they'll automatically display your shortcut key in the menu items text, if you hook that command up to your menu item. Create stati...
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Disable migrations when running unit tests in Django 1.7

...ound, posted by Bernie Sumption to the Django developers mailing list: If makemigrations has not yet been run, the "migrate" command treats an app as unmigrated, and creates tables directly from the models just like syncdb did in 1.6. I defined a new settings module just for unit tests cal...
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Min/Max-value validators in asp.net mvc

... Great answer. I would modify the error message a bit: "Enter a value greater than or equal to " is a more (grammatically-speaking) correct error message. – Tieson T. Jul 26 '12 at 0:04 ...
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Android Drawing Separator/Divider Line in Layout?

... This is great for a simple horizontal line. But if you want the color fading at the ends, use one of the other methods here. – SMBiggs Aug 24 '12 at 4:10 ...
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Eloquent Collection: Counting and Detect Empty

This may be a trivial question but I am wondering if Laravel recommends a certain way to check whether an Eloquent collection returned from $result = Model::where(...)->get() is empty, as well as counting the number of elements. ...
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C++及Windows异常处理(try,catch; __try,__finally, __except) - C/C++ - ...

... } catch( 类型名 [形参名] ) /* 异常说明符(exception specifier)*/ { } catch( 类型名 [形参名] ) { } C++的异常处理很简单,就是如上的三个关键字,注意C++中throw,catch之后没有Java等语言中的finally。 Q: 为何C++不提供“finally”结...