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How to add elements to an empty array in PHP?

...ot only because it's less characters to do the same operation, but it also doesn't impose the performance overhead of a function call, which array_push() would. Edit: But, great answer. Effectively the same, and majority of uses won't even notice a performance difference, but helps to know those nu...
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How to compare UIColors?

...o be in the same color model to be considered equal. For instance, #ffffff does not equal [UIColor whiteColor]. – zoul Oct 19 '09 at 16:41 2 ...
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What is hashCode used for? Is it unique?

...as a hash table. The default implementation of the GetHashCode method does not guarantee unique return values for different objects. Furthermore, the .NET Framework does not guarantee the default implementation of the GetHashCode method, and the value it returns will be the same between ...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

...containing all items with sync_status=1. The server gets the request and does this: It takes the contents from the JSON array and modifies or adds the records it contains. The last_modified field is automatically updated. The server returns a JSON array containing all objects with a last_modifi...
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Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat

...ding this answer for completeness because the accepted answer by @amustill does not correctly solve the problem in Internet Explorer. Please see the comments in my original post for details. In addition, this solution does not require any plugins - only jQuery. In essence, the code works by handlin...
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How to link Docker services across hosts?

...esolves links across nodes. In my testing I got the impression that Swarm doesn't yet work with volumes at a fixed location very well (or at least the process of linking them is not very intuitive), so this is something to keep in mind. Swarm is now in beta phase. Until recently, the Ambassad...
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Why isn't my JavaScript working in JSFiddle?

...nction call, but there isn't really an easy way to do that since the frame doesn't have a name. It's really a problem because of the way jsfiddle works, but it's still a good idea to keep your javascript completely separate. – tvanfosson Mar 25 '11 at 13:31 ...
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When to use the brace-enclosed initializer?

...ot a string, therefore you wouldn't use copy initialization. A locale also does not contain a string (it might store that string as implementation detail, but that's not its purpose), therefore you wouldn't use brace initialization. Therefore the guideline says to use parenthesis initialization. ...
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jQuery and AJAX response header

... does not work for me. maybe I am doing the request to another site? ( cross site request using ajax) – Siwei Shen 申思维 Oct 10 '11 at 5:48 ...
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How to read if a checkbox is checked in PHP?

... Does the 'Value1' change if the box is checked? – MoralCode Nov 18 '14 at 23:08 10 ...