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How do you run a command for each line of a file?
...txt
If you have special chars and/or a lot of lines in file.txt.
xargs -0 chmod 755 < <(tr \\n \\0 <file.txt)
if your command need to be run exactly 1 time by entry:
xargs -0 -n 1 chmod 755 < <(tr \\n \\0 <file.txt)
This is not needed for this sample, as chmod accept multip...
Converting Python dict to kwargs?
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answered Apr 19 '11 at 0:48
unutbuunutbu
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What does “atomic” mean in programming?
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edited Aug 18 '18 at 20:39
Basil Bourque
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Pure virtual destructor in C++
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220
Yes. You also need to implement the destructor:
class A {
public:
virtual ~A() = 0;
};
inl...
Node.JS constant for platform-specific new line?
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230
Not sure if this is new in the 0.8.x but there is now a constant http://nodejs.org/api/os.html#o...
Bootstrap 3 - Why is row class is wider than its container?
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edited Feb 4 '16 at 14:50
Seonghyeon Cho
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answered Sep 23 '13 at 21:...
How to increase space between dotted border dots
...*/
background-image: linear-gradient(to right, black 33%, rgba(255,255,255,0) 0%);
background-position: bottom;
background-size: 3px 1px;
background-repeat: repeat-x;
/*Vertical*/
background-image: linear-gradient(black 33%, rgba(255,255,255,0) 0%);
background-position: right;
background-size: 1px ...
How to get the first word of a sentence in PHP?
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$myvalue = 'Test me more';
$arr = explode(' ',trim($myvalue));
echo $arr[0]; // will print Test
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Emacs mode for Stack Overflow's markdown
...eas:
;; Integrate Emacs with Stack Exchange https://stackoverflow.com/a/10386560/789593
(add-to-list 'auto-mode-alist '("stack\\(exchange\\|overflow\\)\\.com\\.[a-z0-9]+\\.txt" . markdown-mode))
Alternatively, if as-external-alist is defined—if M-x describe-variable RET as-external-alist doesn...
Loop through an array php
...epath'];
// $array[$i] is same as $item
}
Using for loop
for ($i = 0; $i < count($array); $i++) {
echo $array[$i]['filename'];
echo $array[$i]['filepath'];
}
var_dump is a really useful function to get a snapshot of an array or object.
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