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What is the best way to repeatedly execute a function every x seconds?
I want to repeatedly execute a function in Python every 60 seconds forever (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user.
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How can I get a list of locally installed Python modules?
I would like to get a list of Python modules, which are in my Python installation (UNIX server).
30 Answers
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How can I log the stdout of a process started by start-stop-daemon?
I am using an init script to run a simple process, which is started with:
11 Answers
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Is the sizeof(some pointer) always equal to four?
For example:
sizeof(char*) returns 4. As does int* , long long* , everything that I've tried. Are there any exceptions to this?
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How do I get bash completion to work with aliases?
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Getting the encoding of a Postgres database
I have a database, and I need to know the default encoding for the database. I want to get it from the command line.
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How can I do division with variables in a Linux shell?
When I run commands in my shell as below, it returns an expr: non-integer argument error. Can someone please explain this to me?
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Automatically capture output of last command into a variable using Bash?
I'd like to be able to use the result of the last executed command in a subsequent command. For example,
22 Answers
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Indenting #defines
I know that #define s, etc. are normally never indented. Why?
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Why does integer overflow on x86 with GCC cause an infinite loop?
The following code goes into an infinite loop on GCC:
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