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unable to start mongodb local server

...:27017 is self-speaking. Another instance of mongod is already running and allocating the MongoDB default port which is 27017. Either kill the other process or use a different port." In this case, type the following command ps wuax | grep mongo You should see something that looks like this User ...
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How do I PHP-unserialize a jQuery-serialized form?

Using $('#form').serialize() , I was able to send this over to a PHP page. Now how do I unserialize it in PHP? It was serialized in jQuery. ...
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What does the PHP error message “Notice: Use of undefined constant” mean?

PHP is writing this error in the logs: "Notice: Use of undefined constant". 9 Answers ...
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iOS: How to store username/password within an app?

... of this class: KeychainItemWrapper *keychainItem = [[KeychainItemWrapper alloc] initWithIdentifier:@"YourAppLogin" accessGroup:nil]; (YourAppLogin can be anything you chose to call your Keychain item and you can have multiple items if required) Then you can set the username and password using: ...
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JSON: why are forward slashes escaped?

... PHP escapes forward slashes by default which is probably why this appears so commonly. I'm not sure why, but possibly because embedding the string "</script>" inside a <script> tag is considered unsafe. This func...
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Can I use Objective-C blocks as properties?

... @CharlieMonroe - Yes you are probably right, but dont you need a dealloc implementation to nil or release the block property without ARC? (its been a while since I used non-ARC) – Robert Mar 31 '13 at 21:58 ...
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GPU Emulator for CUDA programming without the hardware [closed]

...memory are properly synchronized, and global memory dereferencing accesses allocated regions of memory. We have also implemented a command-line interactive debugger inspired largely by gdb to single-step through CUDA kernels, set breakpoints and watchpoints, etc... These tools were specifically deve...
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How to check if mod_rewrite is enabled in php?

...is possible to check if mod_rewrite is enabled on Apache AND IIS in PHP . 15 Answers ...
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Getting a timestamp for today at midnight?

How would I go about getting a timestamp in php for today at midnight. Say it's monday 5PM and I want the Timestamp for Monday(today) at midnight(12 am) which already has happened. ...
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Why start an ArrayList with an initial capacity?

...ity. If you don't do this, the internal array will have to be repeatedly reallocated as the list grows. The larger the final list, the more time you save by avoiding the reallocations. That said, even without pre-allocation, inserting n elements at the back of an ArrayList is guaranteed to take to...