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Difference between malloc and calloc?

... calloc() gives you a zero-initialized buffer, while malloc() leaves the memory uninitialized. For large allocations, most calloc implementations under mainstream OSes will get known-zeroed pages from the OS (e.g. via POSIX mm...
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Why should I use IHttpActionResult instead of HttpResponseMessage?

...which your controller should inherit from, and therefore is just a method call. So no new keyword is needed there. You probably aren't inheriting from ApiController or you are inside a static method. ResponseMessageResult is the return type of ResponseMessage(). – AaronLS ...
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Archives not showing up in Organizer for Xcode 4

... EDIT (Incorporated all comments to a single answer) Try one of the following (or all) Instead of using Build For -> Archive, in the product menu just use archive. It will show up then. In the scheme editor, edit the scheme and go to the A...
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Using getopts to process long and short command line options

...or using the bash builtin getopts to mimic long options. That solution actually makes a short option whose character is "-". So you get "--" as the flag. Then anything following that becomes OPTARG, and you test the OPTARG with a nested case. This is clever, but it comes with caveats: getopts ca...
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Update Git branches from master

...his approach. When I run git log --graph, the graph show the master is actually merged to the topic branch. Will this cause any problem in the long run? I thought the best practice is always merge the topic branch back to master. Please comment. – Patrick Nov 1...
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In-Place Radix Sort

... general, but it should be fast. Edit: I got curious whether this code actually works, so I tested/debugged it while waiting for my own bioinformatics code to run. The version above now is actually tested and works. For 10 million sequences of 5 bases each, it's about 3x faster than an optimized i...
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iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]

... All apps will continue to work in the vertically stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to...
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What are the main uses of yield(), and how does it differ from join() and interrupt()?

...m a little bit confused about the use of yield() method in Java, specifically in the example code below. I've also read that yield() is 'used to prevent execution of a thread'. ...
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Install dependencies globally and locally using package.json

Using npm we can install the modules globally using -g option. How can we do this in the package.json file? 6 Answers ...
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How to quickly clear a JavaScript Object?

...object). In this example, I believe setting the length to 0 still leaves all of the elements for garbage collection. You could add this to Object.prototype if it's something you'd frequently use. Yes it's linear in complexity, but anything that doesn't do garbage collection later will be. This is ...