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Setting UIButton image results in blue button in iOS 7

... In iOS7 there is new button type called UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0), // standard system button Check your .xib file and change button type to Custom To do this programmatically, add this line to the viewDidLoad: [UIButton buttonWithType...
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What is the difference between HAVING and WHERE in SQL?

...nt(1) From Address Where State = 'MA' Group By City Gives you a table of all cities in MA and the number of addresses in each city. This code: select City, CNT=Count(1) From Address Where State = 'MA' Group By City Having Count(1)>5 Gives you a table of cities in MA with more than 5 address...
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Unbalanced calls to begin/end appearance transitions for

...e not-suitable (like during initialization) procedure finishes, by doing: __weak MyViewController *weakSelf = self; dispatch_async(dispatch_get_main_queue(), ^{ [weakSelf presentViewController:vc animated:YES]; }); This is general for also pushViewController:animated:, etc. ...
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Swift: declare an empty dictionary

...ou have to be explicit, otherwise you will produce an unusable instance of __NSDictionaryI. Try adding an element to that emptyDict and it will fail at compile time. – Gabriele Petronella Jun 4 '14 at 13:34 ...
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Automatically update version number

...ce the revision and build numbers with a coded date/timestamp, which is usually also a good way. For more info, see the Assembly Linker Documentation in the /v tag. As for automatically incrementing numbers, use the AssemblyInfo Task: AssemblyInfo Task This can be configured to automatically in...
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How to loop through an associative array and get the key? [duplicate]

... using PHP 5, you should avoid using foreach by reference values and since all foreaches use internal array pointer ( current($Array) ) nesting foreaches or using PHP array functions can do weird things. – Chaoix Jul 12 '19 at 15:13 ...
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Intent - if activity is running, bring it to front, else start a new one (from notification)

...recent task and click it, it will onResume(); Cant I onResume() programatically. – user9599745 Jan 29 at 20:58 @Javene...
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How to avoid “Permission denied” when using pip with virtualenv

...ed Oct 19 '13 at 23:02 sebastian_oesebastian_oe 6,63822 gold badges1515 silver badges2020 bronze badges ...
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Prevent the keyboard from displaying on activity start

...g both in code, and in xml! Indeed, this is the most correct answer! Especially since it was probably that 3 minutes you spent writing both methods that made you not first ;-) – eric Apr 21 '17 at 1:13 ...
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Overriding a JavaScript function while referencing the original

...tioned in the comments, be sure to include the () at the end. You want to call the outer function and store the result (one of the two inner functions) in a, not store the outer function itself in a. share | ...