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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro

...trollers property) has been updated by the time that viewWillDisappear is called. share | improve this answer | follow | ...
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How to disable back swipe gesture in UINavigationController on iOS 7

...ewDidDisappear, but works in method viewWillDisappear. On iOS7 it works in all of above mentioned methods. So try to use it in any other methods while working on the viewController, I confirm it works for me on iOS8 when I click on some button inside of the view. – Sihad Begovi...
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Code Golf - π day

... Yeah, the ( operator alone allowed to shed 6 strokes! – Dan Andreatta Mar 18 '10 at 10:25 add a comment  |  ...
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Remote connect to clearDB heroku database

... In heroku website, go to My Apps and select the app on which you have installed ClearDB. On the top corner click on Addons and then select ClearDB MySQL Database. Once there, click on your database and choose the 'Endpoint Information' tab. There you see your username/password. The URL to the dat...
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Ruby on Rails: Delete multiple hash keys

...re unaware of the Hash#except method ActiveSupport adds to Hash. It would allow your code to be simplified to: redirect_to my_path(params.except(:controller, :action, :other_key)) Also, you wouldn't have to monkey patch, since the Rails team did it for you! ...
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MongoDB drop every database

..."dropping db " + db.getName() ); db.dropDatabase(); } save it to dropall.js and then execute: mongo dropall.js share | improve this answer | follow | ...
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Maven Install on Mac OS X

I'm trying to install maven through the terminal by following these instructions . 24 Answers ...
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How to pass values between Fragments

... I tried step 5, That i'm calling listactivity from fragment and after selecting item from that activity, i want to come back in fragment with selected file name. But its not working, its giving me Nullpointer Exception at onCreateView. Any solution on...
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How do I check in JavaScript if a value exists at a certain array index?

... Conceptually, arrays in JavaScript contain array.length elements, starting with array[0] up until array[array.length - 1]. An array element with index i is defined to be part of the array if i is between 0 and array.length - 1 inclu...
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How to convert an array to object in PHP?

...lue) { $object->$key = $value; } As Edson Medina pointed out, a really clean solution is to use the built-in json_ functions: $object = json_decode(json_encode($array), FALSE); This also (recursively) converts all of your sub arrays into objects, which you may or may not want. Unfortunat...