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MySQL: Transactions vs Locking Tables
...the same type of code in parallel. They'll be retrieve your balance (say, $100), do their transactions (take out the $20 you're paying, and the $30 they're screwing you over with), and now both code paths have two different balances: $80 and $70. Depending on which ones finishes last, you'll end up ...
jQuery show for 5 seconds then hide
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answered Aug 7 '10 at 1:22
Nick Craver♦Nick Craver
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What is the difference between `after_create` and `after_save` and when to use which?
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edited Jul 18 '12 at 0:10
answered Jun 21 '11 at 8:12
Ta...
Node.js: Difference between req.query[] and req.params
...to change it to another?
– John
Jun 10 '15 at 2:00
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show 1 more comment
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Can an int be null in Java?
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answered Feb 12 '10 at 19:14
Brian AgnewBrian Agnew
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Reshaping data.frame from wide to long format
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edited Oct 21 '19 at 10:33
Jaap
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answe...
Storing Image Data for offline web application (client-side storage database)
...ve an offline web application using appcaching. I need to provide it about 10MB - 20MB of data that it will save (client-side) consisting mainly of PNG image files. The operation is as follows:
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Maintain git repo inside another git repo
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110
It sounds like you want to use Git submodules.
Git addresses this issue using submodules. S...
Placing border inside of div and not on its edge
...z-box-sizing: border-box;
-webkit-box-sizing: border-box;
width: 100px;
height: 100px;
border: 20px solid #f00;
background: #00f;
margin: 10px;
}
div + div {
border: 10px solid red;
}
<div>Hello!</div>
<div>Hello!</div>
It work...
Creating rounded corners using CSS [closed]
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103
Since CSS3 was introduced, the best way to add rounded corners using CSS is by using the borde...