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Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)
...he fastest library is JSONKit, followed by NSJSONSerialization (now public API) and NextiveJSON. SBJSON and TouchJSON are a little bit slower than the previous 3 libraries.
The comparison has been done using an iPhone 4S with iOS 5.0.1.
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Stop/Close webcam which is opened by navigator.getUserMedia
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EDIT
Since this answer has been originally posted the browser API has changed.
.stop() is no longer available on the stream that gets passed to the callback.
The developer will have to access the tracks that make up the stream (audio or video) and stop each of th...
What is the simplest and most robust way to get the user's current location on Android?
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Here's what I do:
First of all I check what providers are enabled. Some may be disabled on the device, some may be disabled in application manifest.
If any provider is available I start location listeners and timeout timer. It's 20 seconds in my exampl...
Javascript communication between browser tabs/windows [duplicate]
...t;p>Type into the text box below and watch the text
appear automatically in the receiver.</p>
<form name="sender">
<input type="text" name="message" size="30" value="">
<input type="reset" value="Clean">
</form>
<script type="text/javascript"><!--
func...
What is database pooling?
...------+ +-----------+
In it's simplest form, it's just a similar API call (1) to an open-connection API call which is similar to the "real" one. This first checks the pool for a suitable connection (2) and, if one is available, that's given to the client. Otherwise a new one is created (3)...
What is JNDI? What is its basic use? When is it used?
... and Directory InterfaceTM (JNDI) is an application programming interface (API) that provides naming and directory functionality to applications written using the JavaTM programming language. It is defined to be independent of any specific directory service implementation. Thus a variety of director...
How to create GUID / UUID?
I'm trying to create globally-unique identifiers in JavaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc.
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How to get the previous URL in JavaScript?
... submitting a form?). Specified by DOM Level 2. More here.
window.history allows navigation, but not access to URLs in the session for security and privacy reasons. If more detailed URL history was available, then every site you visit could see all the other sites you'd been to.
If you're dealing...
What to gitignore from the .idea folder?
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The doc recommends "share all the .iml module files", so a .gitignore with the following two lines should be fine: .idea/workspace.xml .idea/tasks.xml
– Kevin Ortman
Dec 30 '12 at 20:38
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?
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The below should work properly, and for all browsers (thanks to @MattJohnson for the tip)
Date.prototype.toIsoString = function() {
var tzo = -this.getTimezoneOffset(),
dif = tzo >= 0 ? '+' : '-',
pad = function(num) {
va...