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open() in Python does not create a file if it doesn't exist
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830
You should use open with the w+ mode:
file = open('myfile.dat', 'w+')
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How do you debug a regex? [closed]
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answered Feb 27 '10 at 19:49
MickMick
12.5k99 gold badges6161 silver badges117117 bronze badges
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How do I check if a variable exists in a list in BASH
...tains() {
[[ $1 =~ (^|[[:space:]])$2($|[[:space:]]) ]] && exit(0) || exit(1)
}
to use it:
contains aList anItem
echo $? # 0： match, 1: failed
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Setting the zoom level for a MKMapView
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201
I found myself a solution, which is very simple and does the trick. Use MKCoordinateRegionMakeW...
Entity Framework 4 / POCO - Where to start? [closed]
...disadvantages of a POCO approach.
http://blogs.msdn.com/b/adonet/archive/2009/05/21/poco-in-the-entity-framework-part-1-the-experience.aspx
http://blogs.msdn.com/b/adonet/archive/2009/05/28/poco-in-the-entity-framework-part-2-complex-types-deferred-loading-and-explicit-loading.aspx
http://blogs.m...
Best way to give a variable a default value (simulate Perl ||, ||= )
...ame'] : 'john doe'.
– VPhantom
May 20 at 18:33
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How to update npm
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190
This will update npm using npm itself:
sudo npm install npm -g
If you are stuck, try sudo npm...
How do you get a string to a character array in JavaScript?
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501
Note: This is not unicode compliant. "I????U".split('') results in the
4 character array [...
How to perform static code analysis in php? [closed]
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edited Aug 11 '18 at 0:22
Brucie Alpha
69011 gold badge77 silver badges2121 bronze badges
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Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?
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edited Oct 14 '11 at 5:09
answered Oct 14 '11 at 4:18
mm...