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Understanding the main method of python [duplicate]
...also include code to evaluate only when the file is called as a standalone script.
It's important to understand that all of the code above the if __name__ line is being executed, evaluated, in both cases. It's evaluated by the interpreter when the file is imported or when it's executed. If you pu...
Invoking JavaScript code in an iframe from the parent page
...ally, I have an iframe embedded in a page and the iframe has some JavaScript routines I need to invoke from the parent page.
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How to redirect 'print' output to a file using python?
..., redirecting stdout also works for me. It is probably fine for a one-off script such as this:
import sys
orig_stdout = sys.stdout
f = open('out.txt', 'w')
sys.stdout = f
for i in range(2):
print 'i = ', i
sys.stdout = orig_stdout
f.close()
Redirecting externally from the shell itself is ...
How do you run a Python script as a service in Windows?
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@Kit: run your script with the from the command line with the parameter "install". Then you'll be able to see your application in Windows' Services list, where you can start it, stop it, or set it to start automatically
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Checking Bash exit status of several commands efficiently
... actions in there I like that are relevant to the actions performed in the script. Thanks :)
– jwbensley
Mar 26 '11 at 23:11
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How do I programmatically determine if there are uncommitted changes?
...n see "How to check if a command succeeded?" if you are using it in a bash script:
git diff-index --quiet HEAD -- || echo "untracked"; // do something about it
Note: as commented by Anthony Sottile
git diff-index HEAD ... will fail on a branch which has no commits (such as a newly initialized repo...
Use images instead of radio buttons
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+1 for the pseudo selector, I think I've used JavaScript in the past to check for selected! That'll teach me...
– zik
Jul 9 '13 at 7:03
3
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Check if an apt-get package is installed and then install it if it's not on Linux
...ation as it stands. However you can't simply rely on return codes here for scripting or the output/lack of output alone for scripting. You would have to scan the output of these commands, limiting their usefulness for this question.
– UpAndAdam
Apr 30 '13 at 14...
How to get progress from XMLHttpRequest
...ion for this, it's sufficient to set a Content-Length header on the server script, in order to get the total size of the bytes the browser is going to receive.
For more go to https://developer.mozilla.org/en/Using_XMLHttpRequest .
Example:
My server script reads a zip file (it takes 5 seconds):
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Why compile Python code?
Why would you compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something?
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