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What does ':' (colon) do in JavaScript?
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And also, a colon can be used to label a statement. for example
var i = 100, j = 100;
outerloop:
while(i>0) {
while(j>0) {
j++
if(j>50) {
break outerloop;
}
}
i++
}
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(![]+[])[+[]]… Explain why this works
... @rlemon, there's no int data type on the language, in fact all numbers are double-precision 64-bit format (IEEE 754 values), even though some operators work internally with Integer values (like the bitwise operators) the result is always a double. The 'i' comes in this example from u...
abort, terminate or exit?
...asically, but exceptions that the program can't handle should be reported & rethrown. Let the app crash.
– John Dibling
May 12 '10 at 16:27
13
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Any way to select without causing locking in MySQL?
...long will this statement take affect? I'm going to use this statement in a PHP programme,and should be best reset TRANSACTION ISOLATION LEVEL automatically once query finished
– omg
May 27 '09 at 20:17
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Javascript add leading zeroes to date
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You can define a "str_pad" function (as in php):
function str_pad(n) {
return String("00" + n).slice(-2);
}
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How do I escape spaces in path for scp copy in Linux?
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Basically you need to escape it twice, because it's escaped locally and then on the remote end.
There are a couple of options you can do (in bash):
scp user@example.com:"'web/tmp/Master File 18 10 13.xls'" .
scp user@example.com...
How to check if a file exists in Documents folder?
... file (either one owned by the attacker or an existing system file). For example, the attacker could replace the file with a symbolic link to the system password file, so that after the attack, the system passwords have been corrupted to the point that no one, including the system administrator, can...
Force line-buffering of stdout when piping to tee
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Yeah, probably not, but ./configure && make took about 10 seconds and then I just moved unbuffer to /usr/local/bin :)
– houbysoft
Jul 5 '12 at 3:45
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Count the number of occurrences of a string in a VARCHAR field?
...), "value", "") ) and make sure that "value" is always lowercased by using PHP strtolower(). PS: This solution above helped me to build my own little search engine and to weight the results by the number of words within the text. Thanks!
– Kai Noack
Jul 3 '17 a...
How do I modify the URL without reloading the page?
...entries, respectively.
window.history.pushState('page2', 'Title', '/page2.php');
Read more about this from here
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