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Looping through localStorage in HTML5 and JavaScript

... In addition to all the other answers, you can use $.each function from the jQuery library: $.each(localStorage, function(key, value){ // key magic // value magic }); Eventually, get the object with: JSON.parse(localStorage.getI...
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How to detect if app is being built for device or simulator in Swift

... ... #endif After Swift 4.1 version Latest use, now directly for all in one condition for all types of simulators need to apply only one condition - #if targetEnvironment(simulator) // your simulator code #else // your real device code #endif For more clarification, you can check S...
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Check if PHP session has already started

I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines: ...
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Passing variable arguments to another function that accepts a variable argument list

...gs) { ...whatever you planned to have exampleB do... ...except it calls neither va_start nor va_end... } share | improve this answer | follow | ...
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What is lexical scope?

... I understand them through examples. :) First, lexical scope (also called static scope), in C-like syntax: void fun() { int x = 5; void fun2() { printf("%d", x); } } Every inner level can access its outer levels. There is another way, called dynamic scope used by ...
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How do I pass parameters into a PHP script through a webpage?

I am calling a PHP script whenever a webpage loads. However, there is a parameter that the PHP script needs to run (which I normally pass through the command line when I am testing the script). ...
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Multi-Line Comments in Ruby?

.....is kinda ugly and creates a String instance, but I know one guy with a Smalltalk background, who does this." puts "Hello world!" ## # most # people # do # this __END__ But all forgot there is another option. Only at the end of a file, of course. This is how it looks (via screenshot) - othe...
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Execute code when Django starts ONCE only?

... entirely a separate problem. The idea of special one-time startup before all management commands is hard to understand. You'll have to provide something specific. Perhaps in another question. – S.Lott Feb 13 '12 at 12:49 ...
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How can I create an error 404 in PHP?

My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages. ...
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Close iOS Keyboard by touching anywhere using Swift

I have been looking all over for this but I can't seem to find it. I know how to dismiss the keyboard using Objective-C but I have no idea how to do that using Swift ? Does anyone know? ...