大约有 14,000 项符合查询结果（耗时：0.0229秒） [XML]
Hidden features of Windows batch files
...
Could you please explain this little scriptlet?
– guerda
Oct 23 '09 at 12:40
2
...
What does `kill -0 $pid` in a shell script do?
...defunct (i.e. Zombie).
More explicitly, a useful function for your shell scripts would be:
function isProcess ()
{
kill -s EXIT $1 2> /dev/null
}
This returns no text to stdout upon success, but an error message to stderr upon failure (but I have redirected that error message to /dev/nul...
Perl build, unit testing, code coverage: A complete working example
...te a text file named "HelloPerlBuildWorld.t". This file is your unit test script that will attempt to fully test your Perl module above. Paste the following content into this file:
use strict;
use warnings;
use Test::More qw(no_plan);
# Verify module can be included via "use" pragma
BEGIN { use_...
Deleting a file in VBA
...
Using this syntax without declaring a file scripting object, must add reference for Microsoft Scripting Runtime, else: Dim fs As New Scripting.FileSystemObject
– pghcpa
Mar 4 '15 at 5:13
...
浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...下面大概说说Heatmap的实现：
捕捉点击
当然，这需要Javascript来实现。为了不陷入浏览器兼容的泥潭，我们选择JQuery：
<script>
jQuery(document).ready(function() {
$(document).mousedown(function(e) {
if (e.clientX >= $(window).width() || e.cl...
How can I custom-format the Autocomplete plug-in results?
... <input type="text" name="search" id="search" />
</form>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.2/jquery-ui.js"></script>
<script>
$(function(){
$.ui.autocomplete.prototype._renderItem = ...
Can I tell the Chrome script debugger to ignore jquery.js?
...ome to only pause on uncaught exceptions, not all exceptions. When in the Script panel in the debugger, there is an icon in the lower left corner of the window that controls this.
share
|
improve t...
How to remove unreferenced blobs from my git repo
...ome tags, thanks Zitrax:
git tag | xargs git tag -d
I put all this in a script: git-gc-all-ferocious.
share
|
improve this answer
|
follow
|
...
Remove all files except some from a directory
...
rm !(textfile.txt|backup.tar.gz|script.php|database.sql|info.txt)
The extglob (Extended Pattern Matching) needs to be enabled in BASH (if it's not enabled):
shopt -s extglob
sha...
How to drop all user tables?
...
I think the script could be dangerous. If you are connected as SYSDBA than it deletes ALL tables of ALL users and also ALL system tables. In practice you delete the whole DB. Be careful!
– Zardo
Jan...