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Make sure only a single instance of a program is running
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The following code should do the job, it is cross-platform and runs on Python 2.4-3.2. I tested it on Windows, OS X and Linux.
from tendo import singleton
me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running
The latest c...
How to get unique values in an array
How can I get a list of unique values in an array? Do I always have to use a second array or is there something similar to java's hashmap in JavaScript?
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How to set UICollectionViewDelegateFlowLayout?
...e? I see examples with storyboards but not with code itself. What should I do?
– gaussblurinc
May 29 '14 at 11:50
3
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How to get ALL child controls of a Windows Forms form of a specific type (Button/Textbox)?
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"'System.Windows.Forms.Control.ControlCollection' does not contain a definition for 'Cast' and no extension method 'Cast' accepting a first argument of type 'System.Windows.Forms.Control.ControlCollection' could be found (are you missing...
How can you customize the numbers in an ordered list?
...y clear answer +1 for full explanation and code, can easily be modified to do anything.
– Morvael
Feb 13 '14 at 11:35
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How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i
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just a warning: aes does while aes_string doesn't define positional parameters x and y.
– topchef
Oct 18 '13 at 16:50
6
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Can a variable number of arguments be passed to a function?
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@Dannid: No idea either haha... doesn't work on 2.6 or 3.2 either. I'll rename it.
– Skurmedel
Aug 16 '13 at 9:01
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Linq with group by having count
how do I write this query in linq (vb.net)?
3 Answers
3
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Use LINQ to get items in one List, that are not in another List
I would assume there's a simple LINQ query to do this, I'm just not exactly sure how.
10 Answers
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How can I override Bootstrap CSS styles?
...own numerical 'weight':
100 points for IDs
10 points for classes and pseudo-classes
1 point for tag selectors and pseudo-elements
Note: If the element has inline styling that automatically wins (1000 points)
Among two selector styles browser will always choose the one with more weight. Order of ...