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Defining a variable with or without export
...l process. If you want a process to make use of this variable, use export, and run the process from that shell.
name=value
means the variable scope is restricted to the shell, and is not available to any other process. You would use this for (say) loop variables, temporary variables etc.
It's im...
Difference between global and device functions
Can anyone describe the differences between __global__ and __device__ ?
9 Answers
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Django filter queryset __in for *every* item in list
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Summary:
One option is, as suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would be short...
iPhone/iOS JSON parsing tutorial [closed]
... application that calls a webserver/webservice, retrieves a JSON response, and uses that response to populate the rows of a UITableView (assuming it converts the JSON into an NSArray first).
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Writing files in Node.js
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I've tested this script using Node, and I tried changing the file path to "/home/", but I got the following error: { [Error: EACCES, open '/home/test.txt'] errno: 3, code: 'EACCES', path: '/home/test.txt' } How can I modify this script so that it will work out...
How do I find out what version of WordPress is running?
...ed some code to delete this, you should be able to view source on the site and look for this meta tag:
<meta name="generator" content="WordPress 2.7.1" />
That will give you the version.
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Generate a random letter in Python
Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing.
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What are the benefits of learning Vim? [closed]
As a programmer I spend a lot of hours at the keyboard and I've been doing it for the last 12 years, more or less. If there's something I've never gotten used to during all this time, it's these annoying and almost unconscious constant micro-interruptions I experience while coding, due to some of th...
ipython reads wrong python version
I've been having trouble with Python, iPython and the libraries. The following points show the chain of the problematics. I'm running Python 2.7 on Mac Lion.
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Problems with entering Git commit message with Vim
... file before closing it, while ZZ, :xEnter, :xiEnter, :xitEnter, :exiEnter and :exitEnter only write it if the document is modified.
All these synonyms just have different numbers of keypresses.
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