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Getting the last element of a list
...st get the last element,
without modifying the list, and
assuming you know the list has a last element (i.e. it is nonempty)
pass -1 to the subscript notation:
>>> a_list = ['zero', 'one', 'two', 'three']
>>> a_list[-1]
'three'
Explanation
Indexes and slices can take neg...
find: missing argument to -exec
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I figured it out now. When you need to run two commands in exec in a find you need to actually have two separate execs. This finally worked for me.
find . -type f -name "*.rm" -exec ffmpeg -i {} -sameq {}.mp3 \; -exec rm {} \;
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Size of Matrix OpenCV
...n the size of a matrix in OpenCV?. I googled and I am still searching, but if any of you know the answer, please help me.
5...
Django admin: How to display a field that is marked as editable=False' in the model?
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+1. Especially if you don't plan to edit the field at all in Admin.
– Manoj Govindan
Oct 19 '10 at 16:05
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How to use OpenFileDialog to select a folder?
...es panel, and the most horrible — you can't even paste a path there! And now as a programmer I see an advice to use it… Please, don't do it.
– Hi-Angel
Aug 19 '15 at 13:12
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Using pickle.dump - TypeError: must be str, not bytes
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Just had same issue. In Python 3, Binary modes 'wb', 'rb' must be specified whereas in Python 2x, they are not needed. When you follow tutorials that are based on Python 2x, that's why you are here.
import pickle
class MyUser(object):
def __init__(self,name):
self.name = name
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Real-world examples of recursion [closed]
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this real-world example feels so familiar now :(
– haroldolivieri
Jul 29 at 14:40
add a comment
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Scala: Nil vs List()
In Scala, is there any difference at all between Nil and List() ?
3 Answers
3
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Toggle button using two image on different state
... Add two images(selected/unselected) in check.xml which will work as two different states of toggle button
– AkashG
Jul 16 '12 at 7:13
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JavaScript implementation of Gzip [closed]
...ages/lz-string/index.html (Thanks to pieroxy in the comments).
I don't know of any gzip implementations, but the jsolait library (the site seems to have gone away) has functions for LZW compression/decompression. The code is covered under the LGPL.
// LZW-compress a string
function lzw_encode(s)...