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Scala downwards or decreasing for loop?
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230
scala> 10 to 1 by -1
res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3,...
Get loop count inside a Python FOR loop
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answered Jul 1 '10 at 23:02
Nick BastinNick Bastin
25.8k77 gold badges5252 silver badges7676 bronze badges
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Can I set an opacity only to the background image of a div?
...:before pseudo-element
Another trick is to use the CSS 2.1 :before or CSS 3 ::before pseudo-elements. :before pseudo-element is supported in IE from version 8, while the ::before pseudo-element is not supported at all. This will hopefully be rectified in version 10.
HTML
<div class="myDiv">...
How do I parse JSON with Objective-C?
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edited May 18 '19 at 3:53
Cœur
29.9k1515 gold badges166166 silver badges214214 bronze badges
answe...
how to mysqldump remote db from local machine
... it at serverfault yet, and the answer is quite simple:
Change:
ssh -f -L3310:remote.server:3306 user@remote.server -N
To:
ssh -f -L3310:localhost:3306 user@remote.server -N
And change:
mysqldump -P 3310 -h localhost -u mysql_user -p database_name table_name
To:
mysqldump -P 3310 -h 127....
An efficient way to transpose a file in Bash
...,j];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time per...
How to get all subsets of a set? (powerset)
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137
The Python itertools page has exactly a powerset recipe for this:
from itertools import chain,...
How to track down a “double free or corruption” error
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HasturkunHasturkun
31.2k55 gold badges6565 silver badges9595 bronze badges
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Relatively position an element without it taking up space in document flow
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283
What you're trying to do sounds like absolute positioning. On the other hand, you can, however, ...
Stream.Seek(0, SeekOrigin.Begin) or Position = 0
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answered Aug 30 '11 at 5:22
gordygordy
7,92911 gold badge2626 silver badges3939 bronze badges
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