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Tar a directory, but don't store full absolute paths in the archive
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10
how about if you also want to select the files to backup based on a wildcard? -C /var/www/site1 *.dat doesn't work :(
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Javascript Shorthand for getElementById
... ID, but also getting element by class :P)
I use something like
function _(s){
if(s.charAt(0)=='#')return [document.getElementById(s.slice(1))];
else if(s.charAt(0)=='.'){
var b=[],a=document.getElementsByTagName("*");
for(i=0;i<a.length;i++)if(a[i].className.split(' ')....
Understanding Node.js modules: multiple requires return the same object?
... Petr StodulkaPetr Stodulka
94177 silver badges1010 bronze badges
1
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Access lapply index names inside FUN
... the next releases.
You can get the index using this:
> lapply(list(a=10,b=20), function(x){parent.frame()$i[]})
$a
[1] 1
$b
[1] 2
Note: the [] is required for this to work, as it tricks R into thinking that the symbol i (residing in the evaluation frame of lapply) may have more references, ...
How to create GUID / UUID?
...efore reaching a certain probability of collision. For example, with 3.26x1015 version 4 RFC4122 UUIDs you have a 1-in-a-million chance of collision.
Update, 2017-06-28: A good article from Chrome developers discussing the state of Math.random PRNG quality in Chrome, Firefox, and Safari. tl;dr - ...
Last iteration of enhanced for loop in java
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@Liverpool (etc): 1000 unnecessary checks is very, very unlikely to have any significant impact on performance. I might equally point out that the extra character by Dinah's solution added might cause the StringBuilder to have to expand, doubl...
How can I search Git branches for a file or directory?
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DustinDustin
78.2k1717 gold badges103103 silver badges131131 bronze badges
2
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How to impose maxlength on textArea in HTML using JavaScript
...= function() {
var len = parseInt(this.getAttribute("maxlength"), 10);
if(this.value.length > len) {
alert('Maximum length exceeded: ' + len);
this.value = this.value.substr(0, len);
return false;
}
}
txts[i].onkeyup = fun...
Is Java's assertEquals method reliable?
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10
additionally, if you want to test for ==, you can call assertSame()
– james
Jul 29 '09 at 18:37
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Preventing console window from closing on Visual Studio C/C++ Console application
...em unset.
– Trevor Robinson
Aug 25 '10 at 18:39
4
Didn't work for me :( The console window opens ...