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presentViewController and displaying navigation bar

...ally present a navigation controller modally with its root view controller set as the view controller you want: MyViewController *myViewController = [[MyViewController alloc] initWithNibName:nil bundle:nil]; UINavigationController *navigationController = [[UINavigationController alloc] initWit...
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Specifying column name in a “references” migration

... Initial Definition: If you are defining your Post model table, you can set references, index and foreign_key in one line: t.references :author, index: true, foreign_key: { to_table: :users } Update Existing: If you are adding references to an existing table, you can do this: add_reference...
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Is optimisation level -O3 dangerous in g++?

...w has the ability to put attributes at functions that control optimization settings just for these functions, so when you find you have a problem with -O3 in one function (or want to try out special flags for just that function), you don't need to compile the whole file or even whole project with O2...
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iPhone App Icons - Exact Radius?

...corner radius for the 144x144 icon = 23 (iPad Retina) If you do create a set of custom icons, you can set the UIPrerenderedIcon option to true in your info.plist file and it will not add the gloss effect but it will place a black background under it and still round the image corners with these cor...
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Show the progress of a Python multiprocessing pool imap_unordered call?

I have a script that's successfully doing a multiprocessing Pool set of tasks with a imap_unordered() call: 9 Answers ...
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AngularJS HTTP post to PHP and undefined

...T as you expect. My suggestion would be to just use the default angularjs 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...
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Android device does not show up in adb list [closed]

... Can confirm that this is critical! On Android 5.0, go to Settings -> Storage -> menu -> USB computer connection and make sure 'Media device (MTP)' is disabled. When it's disabled 'adb devices' lists the device, when enabled not. Tried with both Nexus 4 and Nexus 5. ...
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Why doesn't JavaScript have a last method? [closed]

...ue, get: function() { return this[this.length - 1]; }, set: undefined }); var arr = [1, 2, 5]; arr.last; // 5 share | improve this answer | follow ...
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Removing App ID from Developer Connection

...gt; App IDs" Find the app id you wish to delete, highlight it and select "Settings". At the bottom of the resulting screen there is a "Delete" button. Previously the only way to do this was to use a Safari & Chrome extension written by Simon Whitaker app-id-sanity downloads It gives you a...
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Deleting Objects in JavaScript

...d be handy to keep it around to complete the picture) It compares delete, setting null and setting undefined. But keep in mind that it tests the case when you delete/set property many times. share | ...