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add column to mysql table if it does not exist
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Note that INFORMATION_SCHEMA isn't supported in MySQL prior to 5.0. Nor are stored procedures supported prior to 5.0, so if you need to support MySQL 4.1, this solution isn't good.
One solution used by frameworks that use database migrations is to record in your database a revision numbe...
Jquery mouseenter() vs mouseover()
...type);
var n = +el.text();
el.text(++n);
});
#my_div {
padding: 0 20px 20px 0;
background-color: #eee;
margin-bottom: 10px;
width: 90px;
overflow: hidden;
}
#my_div>div {
float: left;
margin: 20px 0 0 20px;
height: 25px;
width: 25px;
background-color: #aa...
How does Activity.finish() work in Android?
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answered Apr 7 '10 at 11:06
CommonsWareCommonsWare
873k161161 gold badges21342134 silver badges21612161 bronze badges
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What's the difference between console.dir and console.log?
...dir(/foo/);
* /foo/
global: false
ignoreCase: false
lastIndex: 0
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You can also see a clear difference with arrays (e.g., console.dir([1,2,3])) which are logged differently from normal objects:
> console.log([1,2,3])
[1, 2, 3]
> console.dir([1,2,3])
* Array[3]
0: 1
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
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edited Feb 11 '10 at 22:17
answered Feb 11 '10 at 21:48
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How to install latest version of git on CentOS 7.x/6.x
...git
Verify the version of Git that was installed:
git --version
As of 02 Mar. 2020, the latest available version from WANDisco is 2.22.0.
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Animate scroll to ID on page load
...-axis:
$("html, body").animate({ scrollTop: $('#title1').offset().top }, 1000);
And you can also add a delay to it:
$("html, body").delay(2000).animate({scrollTop: $('#title1').offset().top }, 2000);
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Is it possible to select the last n items with nth-child?
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answered Jun 30 '11 at 23:29
John GuiseJohn Guise
2,79622 gold badges1212 silver badges22 bronze badges
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Modify file in place (same dest) using Gulp.js and a globbing pattern
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edited Nov 27 '15 at 18:02
answered Apr 23 '14 at 15:49
n...
Get dimension from XML and set text size in runtime
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edited Aug 13 '13 at 10:42
Dan J
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