大约有 5,600 项符合查询结果（耗时：0.0300秒） [XML]
Listing only directories in UNIX
...y, even if the -F option of ls isn't used. Similar to the behaviour of ls *php and how it displays all files ending with php in a directory.
– David Hancock
Oct 18 '13 at 15:24
3
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do you have kcachegrind like profiling tools for mac [closed]
...qcachegrind (brew install qcachegrind)
XHProf: A Hierarchical Profiler for PHP (pecl install xhprof)
MCG premium app can analyse your application profile data natively on your Mac (released to the Mac App Store at $27)
Profiling Viewer, available on App Store at $25
Older: MacCallGrind (semi-commer...
“Submit is not a function” error in JavaScript
...
<form action="product.php" method="post" name="frmProduct" id="frmProduct" enctype="multipart/form-data">
<input id="submit_value" type="button" name="submit_value" value="">
</form>
<script type="text/javascript">
documen...
How to get year/month/day from a date object?
...Use the Date get methods.
http://www.tizag.com/javascriptT/javascriptdate.php
http://www.htmlgoodies.com/beyond/javascript/article.php/3470841
var dateobj= new Date() ;
var month = dateobj.getMonth() + 1;
var day = dateobj.getDate() ;
var year = dateobj.getFullYear();
...
How can I add numbers in a Bash script?
...um=$((num1 + 2 + 3)) # ...
num=$[num1+num2] # Old, deprecated arithmetic expression syntax
Using the external expr utility. Note that this is only needed for really old systems.
num=`expr $num1 + $num2` # Whitespace for expr is important
For floating point:
Bash doesn'...
Getting a list of associative array keys
...
You can use: Object.keys(obj)
Example:
var dictionary = {
"cats": [1, 2, 37, 38, 40, 32, 33, 35, 39, 36],
"dogs": [4, 5, 6, 3, 2]
};
// Get the keys
var keys = Object.keys(dictionary);
console.log(keys);
See reference below for browser support. It is supported in Firefox 4....
(Deep) copying an array using jQuery [duplicate]
...
similar: var a = [1,2,3]; var b = ([]).concat(a); b is a copy
– Yauhen Yakimovich
May 7 '12 at 15:38
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How can I exclude one word with grep?
...ed to escape the !):
grep -P '(?!.*unwanted_word)keyword' file
Demo:
$ cat file
foo1
foo2
foo3
foo4
bar
baz
Let us now list all foo except foo3
$ grep -P '(?!.*foo3)foo' file
foo1
foo2
foo4
$
share
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How to add http:// if it doesn't exist in the URL?
...
function addScheme($url, $scheme = 'http://')
{
return parse_url($url, PHP_URL_SCHEME) === null ?
$scheme . $url : $url;
}
echo addScheme('google.com'); // "http://google.com"
echo addScheme('https://google.com'); // "https://google.com"
See also: parse_url()
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sudo echo “something” >> /etc/privilegedFile doesn't work
...ious, that you can also quote a heredoc (for large blocks):
sudo bash -c "cat <<EOIPFW >> /etc/ipfw.conf
<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<plist version=\"1.0\">
<dict>
<key>Label</key>
<string>com.company.ipfw</string>
...