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SQL how to increase or decrease one for a int column in one command
...cond:
There are several ways to do this. Since you did not specify a database, I will assume MySQL.
INSERT INTO table SET x=1, y=2 ON DUPLICATE KEY UPDATE x=x+1, y=y+2
REPLACE INTO table SET x=1, y=2
They both can handle your question. However, the first syntax allows for more flexibility to ...
Detect if called through require or directly by command line
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delete_all vs destroy_all?
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What are “decorators” and how are they used?
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How to assign an exec result to a sql variable?
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What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
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Table header to stay fixed at the top when user scrolls it out of view with jQuery
... I was thinking of this but what if the header columns' widths change based on the content? Unless the column widths are fixed you could have your header row not line up with the content rows. Just a thought.
– Yzmir Ramirez
Jan 17 '11 at 4:09
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How to create local notifications?
... [.alert, .sound]) { (granted, error) in
// Enable or disable features based on authorization.
if error != nil {
print("Request authorization failed!")
} else {
print("Request authorization succeeded!")
self.showAlert()
}
}
func showAlert() {
let objAler...
Is there any “font smoothing” in Google Chrome?
...fari this DOES work so it is worth adding. Apple.com even uses it in their base.css stylesheet: body { font: 12px/18px "Lucida Grande", "Lucida Sans Unicode", Helvetica, Arial, Verdana, sans-serif; -webkit-font-smoothing: antialiased; }
– Justin
Aug 22 '13 at 2...
Vim multiline editing like in sublimetext?
...github.com/felixr/vim-multiedit
https://github.com/hlissner/vim-multiedit (based on the previous)
https://github.com/adinapoli/vim-markmultiple
https://github.com/AndrewRadev/multichange.vim
Please feel free to edit if you notice any of these undergoing improvement.
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