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Rename column SQL Server 2008
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@CarrieKendall, script out the change from the GUI instead of making it and you will see. This is why is is much slower to make a change using the GUI to a large table than through using sp_rename or alter table. Further, changes to databas...
What does “@” mean in Windows batch scripts
...f this display. The command "echo off" turns off the display for the whole script, except for the "echo off" command itself. The "at" sign "@" in front makes the command apply to itself as well.
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Switching a DIV background image with jQuery
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I personally would just use the JavaScript code to switch between 2 classes.
Have the CSS outline everything you need on your div MINUS the background rule, then add two classes (e.g: expanded & collapsed) as rules each with the correct background image (o...
Show/hide 'div' using JavaScript
...er, then have two buttons that will toggle views between the div using JavaScript.
14 Answers
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How to convert all tables from MyISAM into InnoDB?
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That worked nicely! I've put it into an example shell script here: shrubbery.mynetgear.net/c/display/W/…
– Joshua Davis
Jun 28 '12 at 14:46
4
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Hidden features of Windows batch files
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Could you please explain this little scriptlet?
– guerda
Oct 23 '09 at 12:40
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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
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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
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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...