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How does the new automatic reference counting mechanism work?

...rty assignments are inexpensive (as discussed here). I know I'm replacing all of my existing Mac GC code with ARC implementations. As to whether this could be extended to other languages, it seems geared around the reference counting system in Objective-C. It might be difficult to apply this to J...
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vs

...urns the character encoding you specified, not the encoding that IE is actually using." – hotshot309 Jun 5 '12 at 13:51 7 ...
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AngularJS : Clear $watch

... $watch returns a deregistration function. Calling it would deregister the $watcher. var listener = $scope.$watch("quartz", function () {}); // ... listener(); // Would clear the watch share ...
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Constant Amortized Time

... in simple terms: If you do an operation say a million times, you don't really care about the worst-case or the best-case of that operation - what you care about is how much time is taken in total when you repeat the operation a million times. So it doesn't matter if the operation is very slow onc...
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What's the @ in front of a string in C#?

...tring as a verbatim string literal - anything in the string that would normally be interpreted as an escape sequence is ignored. So "C:\\Users\\Rich" is the same as @"C:\Users\Rich" There is one exception: an escape sequence is needed for the double quote. To escape a double quote, you need to put...
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Why use Gradle instead of Ant or Maven? [closed]

What does another build tool targeted at Java really get me? 9 Answers 9 ...
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Effect of NOLOCK hint in SELECT statements

...l complete faster than a normal select. 2) Yes, a select with NOLOCK will allow other queries against the effected table to complete faster than a normal select. Why would this be? NOLOCK typically (depending on your DB engine) means give me your data, and I don't care what state it is in, and d...
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iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?

...n(e){ e.preventDefault(); }); // Uses body because jQuery on events are called off of the element they are // added to, so bubbling would not work if we used document instead. $('body').on('touchstart', selScrollable, function(e) { if (e.currentTarget.scrollTop === 0) { e.currentTarget.scrol...
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SignalR: Why choose Hub vs. Persistent Connection?

...persistent connections. From the highly up-voted comment below: Partially correct. You can get topics or groups in persistent connections as well. The big difference is dispatching different types of messages. For example you have different kinds of messages and you want to send different kind...
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RAW POST using cURL in PHP

... I cannot get this to work at all. I have a page that I am trying to post raw data to. That page records all raw data it receives into a database table. There are no new rows at all. Do you know if anything has changed here since '09? ...