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How can I check the extension of a file?
...swith('.mp3'):
...
elif m.endswith('.flac'):
...
To be case-insensitive, and to eliminate a potentially large else-if chain:
m.lower().endswith(('.png', '.jpg', '.jpeg'))
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No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
Using the scrollwheel in GNU screen
...tach from your screen, then screen -d -r to reattach, then ls a few times, and try to scroll back. It works for me.
What is this magic? Well, let's consult the manual pages.
screen(1) says:
termcapinfo term terminal-tweaks [window-tweaks]
[..]
The first argument specifies which terminal(s)...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
...anguages in their own right while being optimized to efficiently pass data and control to and from other executing processes written in any language the O/S supports.
Most Linux applications, regardless what language the bulk of the program is written in, depend on shell scripts and Bash has become...
How do I copy a file in Python?
...sts, it will be replaced.
Special files such as character or block devices and pipes cannot be copied with this function.
With copy, src and dst are path names given as strings.
If you use os.path operations, use copy rather than copyfile. copyfile will only accept strings.
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How to style input and submit button with CSS?
I'm learning CSS. How to style input and submit button with CSS?
11 Answers
11
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BASH copy all files except one
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@Max \; executes the command once per file. + runs the command once and passes all of the file names to it at once (subject to the command line length limit). + is a bit more efficient in general.
– John Kugelman
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How do I make a Mac Terminal pop-up/alert? Applescript?
... edited Sep 9 '15 at 13:54
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Apr 7 '11 at 22:20
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Pure JavaScript Send POST Data Without a Form
Is there a way to send data using the POST method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)?
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How do I convert a double into a string in C++?
...y:
std::string str = boost::lexical_cast<std::string>(dbl);
The Standard C++ way:
std::ostringstream strs;
strs << dbl;
std::string str = strs.str();
Note: Don't forget #include <sstream>
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