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What does “async: false” do in jQuery.ajax()?

... where one have to set async to false, for the code to work properly. var phpData = (function get_php_data() { var php_data; $.ajax({ url: "http://somesite/v1/api/get_php_data", async: false, //very important: else php_data will be returned even before we get Json from the url ...
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What is the difference between visibility:hidden and display:none?

...h you can still interact with it through the dom). There will be no space allocated for it between the other tags. visibility:hidden means that unlike display:none, the tag is not visible, but space is allocated for it on the page. The tag is rendered, it just isn't seen on the page. For exampl...
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iPhone UITextField - Change placeholder text color

...olor blackColor]; textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:placeholderText attributes:@{NSForegroundColorAttributeName: color}]; } else { NSLog(@"Cannot set placeholder text's color, because deployment target is earlier than iOS 6.0"); // TODO: Add fall-back...
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Creating an array of objects in Java

...is: A a1; A a2; A a3; A a4; Now you couldn't do a1.someMethod() without allocating a1 like this: a1 = new A(); Similarly, with the array you need to do this: a[0] = new A(); ...before using it. share | ...
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How to convert comma-separated String to List?

... "[\\s,]+" will also split on internal space within a comma separated token, it will treat both whitespace as a delimiter even when a comma is not present, instead of a comma plus any number of surrounding whitespace. "\\s*(,\\s*)+" will trim whitespace only around comma separated tokens, and a...
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Tactics for using PHP in a high-load site

... (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques. 23 Answer...
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Ruby function to remove all white spaces?

...ction to remove all white spaces? I'm looking for something kind of like PHP's trim() ? 23 Answers ...
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When do I use the PHP constant “PHP_EOL”?

When is it a good idea to use PHP_EOL ? 19 Answers 19 ...
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Converting a UNIX Timestamp to Formatted Date String

Using PHP, I want to convert UNIX timestamps to date strings similar to this: 2008-07-17T09:24:17Z 9 Answers ...
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Parsing domain from a URL

... Or simply: print parse_url($url, PHP_URL_HOST)) if you don't need the $parse array for anything else. – rybo111 Aug 24 '16 at 12:03 ...