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How can I detect the touch event of an UIImageView?

...cify images) over the UIImageView. Then attach whatever methods you want called to that. You can use that technique for many cases where you really want some area of the screen to act as a button instead of messing with the Touch stuff. ...
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How to hide first section header in UITableView (grouped style)

... Actually, a better implementation (less likely to break in the future) is to use CGFLOAT_MIN instead of a hard-coded value. In other words, don't return 1.0f or 0.1f instead, return CGFLOAT_MIN If Apple ever changes the minimum a...
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Uploading both data and files in one form using Ajax?

... on_complete(response); }); } } it works well with all browsers, you don't need to serialize or prepare the data. one down side is that you can't monitor the progress. also, at least for chrome, the request will not appear in the "xhr" tab of the developer tools but under "d...
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Easiest way to open a download window without navigating away from the page

...ment will be loaded using the URL as if window.location.assign() had been called with the modified URL” - developer.mozilla.org/en-US/docs/Web/API/window.location – Rob Juurlink Aug 19 '13 at 11:47 ...
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What is function overloading and overriding in php?

...that method. In PHP, you can only overload methods using the magic method __call. An example of overriding: <?php class Foo { function myFoo() { return "Foo"; } } class Bar extends Foo { function myFoo() { return "Bar"; } } $foo = new Foo; $bar = new Bar; echo($foo-&...
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Forward declaration of a typedef in C++

... +1 in the end because while you technically can't "forward-typedef" (i.e. you can't write "typedef A;"), you can almost certainly accomplish what the OP wants to accomplish using your trick above. – j_random_hacker Apr 30 '09...
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What is the Swift equivalent to Objective-C's “@synchronized”?

...ty that you have with @synchronized. – Michael Waterfall Oct 23 '14 at 16:46 9 With this approach...
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Reload an iframe with jQuery

...tion() { document.location.reload(); }); and you are good to go with all browsers. Reload an iframe with HTML (no Java Script req.) It have more simpler solution: which works without javaScript in (FF, Webkit) just make an anchor inSide your iframe <a href="#" target="_SELF">Refre...
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How to increment a datetime by one day?

... All of the current answers are wrong in some cases as they do not consider that timezones change their offset relative to UTC. So in some cases adding 24h is different from adding a calendar day. Proposed solution The follo...
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How to overcome TypeError: unhashable type: 'list'

...used to compare dictionary keys during a dictionary lookup quickly. Internally, hash() method calls __hash__() method of an object which are set by default for any object. Converting a nested list to a set >>> a = [1,2,3,4,[5,6,7],8,9] >>> set(a) Traceback (most recent call last...