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UICollectionView's cellForItemAtIndexPath is not being called

...ctionView cellForItemAtIndexPath:(NSIndexPath *)indexPath was not being called was because of the itemSize for the collectionViewFlowLayout's height was too big. [self.myCollectionViewFlowLayout setItemSize:CGSizeMake(320, 548)]; If I change the height to 410, it will execute cellForItemAtIndex...
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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?

... Since PHP/5.4.0, there is an option called JSON_UNESCAPED_UNICODE. Check it out: https://php.net/function.json-encode Therefore you should try: json_encode( $text, JSON_UNESCAPED_UNICODE ); ...
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Objective-C: Where to remove observer for NSNotification?

...his is obviously not a satisfying answer. I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against ...
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How to scale a UIImageView proportionally?

I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width. 17 Answer...
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Encoding URL query parameters in Java

... URL or by Mr. Sindi in this thread. URIUtil of Apache httpclient is really useful, although there are some alternatives URIUtil.encodeQuery(url); For example, it encodes space as "+" instead of "%20" Both are perfectly valid in the right context. Although if you really preferred you cou...
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Setting Authorization Header of HttpClient

... | edited Dec 10 '18 at 13:51 Ryan Lundy 181k3232 gold badges170170 silver badges203203 bronze badges ...
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SQL Switch/Case in 'where' clause

...statement exits after a condition is met - but the OR syntax will evaluate all the possibilities – tember May 12 '15 at 18:27 1 ...
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Tool to Unminify / Decompress JavaScript [closed]

...iderMonkey and Rhino you can wrap any code into an anonymous function and call its toSource method, which will give you a nicely formatted source of the function. toSource also strips comments. E. g.: (function () { /* Say hello. */ var x = 'Hello!'; print(x); }).toSource() Will be converted to...
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How do I load the contents of a text file into a javascript variable?

...echange = function() { alert(client.responseText); } client.send(); Normally speaking, though, XMLHttpRequest isn't available on all platforms, so some fudgery is done. Once again, your best bet is to use an AJAX framework like jQuery. One extra consideration: this will only work as long as foo....
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Developing for Android in Eclipse: R.java not regenerating

... site suggests: if you run a clean on the project it should regenerate all the generated Java files, namely R. ...and... In Eclipse, under the Project menu, is an option build automatically. That would help you build the R.java file everytime modifications are made. The Clean... optio...