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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
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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
...
answered Aug 30 '11 at 5:22
gordygordy
7,92911 gold badge2626 silver badges3939 bronze badges
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Python pandas Filtering out nan from a data selection of a column of strings
...NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
movie name rating
0...
Checking if array is multidimensional or not?
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136
The short answer is no you can't do it without at least looping implicitly if the 'second dimen...
.NET JIT potential error?
...ase outside Visual Studio. I'm using Visual Studio 2008 and targeting .NET 3.5. I've also tried .NET 3.5 SP1.
3 Answers
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