... when the button is deintialised. This will prevent a possible memory leak from occurring. This wasn't possible within the UIButton its extension, because I'm not allowed to implement a property nor the deinit method. share ...

... I don't think you should issue reset($array) inside a foreach. From the official documentation (www.php.net/foreach): "As foreach relies on the internal array pointer changing it within the loop may lead to unexpected behavior." And reset does precisely that (www.php.net/reset): "Set t...

... The program's output to stdout and stderr is different from it's integer return value. A program can both return an integer value like in the example above, while also sending a string to the console (or redirected to a file or elsewhere). They are not mutually exclusive and are ...

...ml to what it thinks you meant. That may mean it turns a tag, for example, from <div /> into <div></div>. Or maybe it just ignores the final slash on <img ... />. see 2016: Serve HTML5 as XHTML 5.0 for legacy validation. see: 2011 discussion and additional links here, though ...

...swer this question. The reputation requirement helps protect this question from spam and non-answer activity. Not the answer you're looking for? Browse other questions t...

...nse would be "null", since it definitely should return something different from typeof undefined. null represents a null object reference, which, at the very least, means the variable holding it is meant for some type of 'object'. If it was a mistake, it was a good mistake. Anyway, in regards to ...

Automatic lock-modify-unlock From SubversionWiki Jump to: navigation, search Different versions of binary files cannot be merged. Therefore versioning of binary files should follow the lock-modify-unlock model[1]. This setup uses the following three measuresforces users to use property svn:...

... Double brace initialization can cause memory leaks when used from a non-static context, because the anonymous class created will maintain a reference to the surrounding object. It has worse performance than regular initialization because of the additional class loading required. It can...

.../test.out > /dev/null The redirect to /dev/null is needed to stop tee from outputting to the screen. To append instead of overwriting the output file (>>), use tee -a or tee --append (the last one is specific to GNU coreutils). Thanks go to Jd, Adam J. Forster and Johnathan for the sec...

...ber is that the empty string and the number zero are conceptually distinct from null. In the case of a count you probably always want some valid number (unless the count is unknown or undefined), but in the case of strings, who knows? The empty string could mean something in your application. Or m...