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How can I multiply all items in a list together with Python?
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You don't import operator, so this solution is a bit more compact. I wonder which is faster.
– jheld
Jul 31 '14 at 22:07
30
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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217
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Get first n characters of a string
...n a while since I wrote this answer and I don't actually use this code any more. I prefer this function which prevents breaking the string in the middle of a word using the wordwrap function:
function truncate($string,$length=100,$append="…") {
$string = trim($string);
if(strlen($st...
How do I get Flask to run on port 80?
...handle static files however this is not recommended; Nginx/Apache are much more efficient at handling static files like images, CSS, Javascript files and will only pass "dynamic" requests (those where the content is often read from a database or the content changes) to be handled by the Python code....
Why are const parameters not allowed in C#?
... hate C# design. The language designers absolutely sure that they are much more smart than other developers and try to excessively protect them from bugs. It is obviously that const keyword works only in compile-time, because in C++ we have direct access to memory and can do anything we want and hav...
How do I change the working directory in Python?
...f, etype, value, traceback):
os.chdir(self.savedPath)
Or try the more concise equivalent(below), using ContextManager.
Example
import subprocess # just to call an arbitrary command e.g. 'ls'
# enter the directory like this:
with cd("~/Library"):
# we are in ~/Library
subprocess.ca...
How to share Eclipse configuration over different workspaces
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I'll start with this, but sadly there are many more settings outside of this directory that I'd like to synchronize.
– David Harkness
Oct 29 '12 at 16:34
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End of support for python 2.7?
Is there a known date/timeframe when python 2.7 will not be supported any more in favor of python 3?
9 Answers
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Why exactly is eval evil?
...or already what I really want?
The main reasons to avoid EVAL for slightly more advanced users:
you want to make sure that your code is compiled, because the compiler can check code for many problems and generates faster code, sometimes MUCH MUCH MUCH (that's factor 1000 ;-) )faster code
code that...