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How to sort a list of strings numerically?
I know that this sounds trivial but I did not realize that the sort() function of Python was weird. I have a list of "numbers" that are actually in string form, so I first convert them to ints, then attempt a sort.
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Can't install Ruby under Lion with RVM – GCC issues
... thank you!
– Florin
Feb 3 '12 at 3:32
I'd advise against rvm get head for other users. This pulls from the head of t...
Does Python support short-circuiting?
...ent, but you could also state things very succinctly:
In [171]: name = raw_input('Enter Name: ') or '<Unkown>'
Enter Name:
In [172]: name
Out[172]: '<Unkown>'
In other words, if the return value from raw_input is true (not an empty string), it is assigned to name (nothing changes); ...
Traverse a list in reverse order in Python
...
You can do:
for item in my_list[::-1]:
print item
(Or whatever you want to do in the for loop.)
The [::-1] slice reverses the list in the for loop (but won't actually modify your list "permanently").
...
CSS Printing: Avoiding cut-in-half DIVs between pages?
I'm writing a plug-in for a piece of software that takes a big collection of items and pops them into HTML in a WebView in Cocoa (which uses WebKit as its renderer, so basically you can assume this HTML file is being opened in Safari).
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What is the difference between join and merge in Pandas?
...andas as pd
left = pd.DataFrame({'key': ['foo', 'bar'], 'val': [1, 2]}).set_index('key')
right = pd.DataFrame({'key': ['foo', 'bar'], 'val': [4, 5]}).set_index('key')
left.join(right, lsuffix='_l', rsuffix='_r')
val_l val_r
key
foo 1 4
bar 2 5
The same functi...
How to detect my browser version and operating system using JavaScript?
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mplungjan
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answered Jun 27 '12 at 5:00
Himanshu JansariH...
res.sendFile absolute path
...res.sendFile. There are two simple ways to do it:
res.sendFile(path.join(__dirname, '../public', 'index1.html'));
res.sendFile('index1.html', { root: path.join(__dirname, '../public') });
Note: __dirname returns the directory that the currently executing script is in. In your case, it looks like...
Can't find the 'libpq-fe.h header when trying to install pg gem
...include/"
– brookr
Jul 31 '14 at 19:32
1
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How to refer to relative paths of resources when working with a code repository
...Try to use a filename relative to the current files path. Example for './my_file':
fn = os.path.join(os.path.dirname(__file__), 'my_file')
In Python 3.4+ you can also use pathlib:
fn = pathlib.Path(__file__).parent / 'my_file'
...