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How does grep run so fast?
...ality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though)
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What does new self(); mean in PHP?
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That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in those examples :
class MyParentClass {
public static function getInstance() {
return new static();
}
}
class MyChildClass extends MyParentClass {
}
$a = MyChildClas...
Remove/Add Line Breaks after Specific String using Sublime Text
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Seems so obvious now... thanks a million! Also, @Mauro - I'm on Windows, and I can used ctrl + d to select the next iteration of the selection. Perhaps the same functionality exists on MAC with Command + d ? You may have to press it numerous ...
Copy constructor for a class with unique_ptr
...situations, the deleter will be type erased somehow, or pointless (if you know the type to delete, why change only the deleter?). In any case, yes, this is the design of a value_ptr -- unique_ptr plus deleter/copier information.
– Yakk - Adam Nevraumont
Jul 28...
Why does multiprocessing use only a single core after I import numpy?
....getpid())
With this line pasted in after the module imports, my example now runs on all cores:
My experience so far has been that this doesn't seem to have any negative effect on numpy's performance, although this is probably machine- and task-specific .
Update:
There are also two ways to di...
Use Mockito to mock some methods but not others
...mock.getSomething();
when(mock.getSomething()).thenReturn(fakeValue);
// now fakeValue is returned
value = mock.getSomething();
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Why is #!/usr/bin/env bash superior to #!/bin/bash?
...bash 4) than it is for there to multiple env programs. ...Still true that knowing these differences does not lend well to beginners being able to delve in.
– Kevin
Jul 23 '19 at 15:10
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After array_filter(), how can I reset the keys to go in numerical order starting at 0
...ray_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I just missed the...
“aapt” IOException error=2, No such file or directory" why can't I build my gradle on jenkins?
...his helped get me by the same error I was having with aapt. Note ldd aapt now works, and shows dependencies. Previously it stated that the program wasn't a dynamic executable "not a dynamic executable". Now on to the next problem!
– guyland123
Aug 19 '14 at 1...
Using Phonegap for Native Application development [closed]
...rom Android to Iphone with some effort. Before I plunge into it I want to know what is forum's experience with Phonegap. What are the pain points and is it really scalable for enterprise level application development.
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