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Please explain the exec() function and its family
...the child (if the fork() fails, no child is created and the parent gets an error code).
That way, the parent knows the PID of the child and can communicate with it, kill it, wait for it and so on (the child can always find its parent process with a call to getppid()).
The exec() call replaces the en...
How to convert an array to object in PHP?
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hmm thanks but your face class gives the following error Fatal error: Cannot re-assign $this in /var/www/bot/inc/twitter-bot.php on line 10
– streetparade
Dec 8 '09 at 19:52
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Create a submodule repository from a folder and keep its git commit history
...be an npm module so it must contain a package.json file or you'll get this error: Error: ENOENT, open 'tmp.tgz-unpack/package.json'.
tldr (alternative solution)
You may find it easier to use npm and manage dependencies with git urls:
Move folder to a new repository
run npm init inside both rep...
Unable to find specific subclass of NSManagedObject
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What if you get this error in Objective-C when using core data in a static library?
– George Taskos
Dec 14 '14 at 0:53
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...ons has never once worked for me. It either removes in the wrong order and errors on "can't remove X because Y depends on it" or sometimes just doesn't readd packages. Last time I tried it, it removed EntityFramework and then never re-added it.
– CodingWithSpike
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Where can I get a list of Ansible pre-defined variables?
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"options": "rw,errors=remount-ro",
"size_available": 77685088256,
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Maximum Year in Expiry Date of Credit Card
...vices, so that makes things easy too. It think it comes down to validation errors; probably fewer errors with predefined select options.
– Clint Pachl
Nov 24 '12 at 7:04
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phpunit mock method multiple calls with different arguments
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FYI, I was using PHPUnit 4.0.20 and receiving error Fatal error: Call to undefined method PHPUnit_Framework_MockObject_Builder_InvocationMocker::withConsecutive(), upgraded to 4.1 in a snap with Composer and it's working.
– quickshiftin
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What is an idempotent operation?
...dempotent. E.g. discard(x) is idempotent, but pop() is not. It's all about error recovery.
– Andreas
Apr 27 '16 at 15:27
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How can I pass a member function where a free function is expected?
...e preferable than using a void* interface as they remove the potential for errors due to a cast to the wrong type.
To clarify how to use a function pointer to call a member function, here is an example:
// the function using the function pointers:
void somefunction(void (*fptr)(void*, int, int), v...