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Swift - How to convert String to Double
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Swift 4.2+ String to Double
You should use the new type initializers to convert between String and numeric types (Double, Float, Int). It'll return an Optional type (Double?) which will have the correct value or nil if the String ...
Stop Visual Studio from launching a new browser window when starting debug?
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420
Open your startup project's properties (Project → {ProjectName} Properties... from the main ...
fs: how do I locate a parent folder?
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edited Jul 26 '16 at 20:45
Clint
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answered Aug 16 '11 at 18:2...
error: command 'gcc' failed with exit status 1 while installing eventlet
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Your install is failing because you don't have the python development headers installed. You can...
Most Useful Attributes [closed]
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edited Jan 14 '19 at 18:26
community wiki
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Starting iPhone app development in Linux? [closed]
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answered May 29 '09 at 0:46
ChaosChaos
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Determine installed PowerShell version
...ble.PSVersion
Major Minor Build Revision
----- ----- ----- --------
4 0 -1 -1
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What is the difference between RegExp’s exec() function and String’s match() function?
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Ry-♦Ry-
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.prop() vs .attr()
... authoritative but somewhat dry word on the subject, there's the specs: DOM4, HTML DOM, DOM Level 2, DOM Level 3. Mozilla's DOM documentation is valid for most modern browsers and is easier to read than the specs, so you may find their DOM reference helpful. There's a section on element properties.
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An efficient way to transpose a file in Bash
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}
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 perl ...