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Why Collections.sort uses merge sort instead of quicksort?
...was a fine choice, but today but we can
do much better.
Since 2003, Python's list sort has used an algorithm known as timsort
(after Tim Peters, who wrote it). It is a stable, adaptive, iterative
mergesort that requires far fewer than n log(n) comparisons when
running on partially sorte...
Remove trailing newline from the elements of a string list
...
If you're using Python 2, note however, that str.strip only works if you're sure that the list does not contain unicode strings. If it can contain both 8-bit and unicode strings, use lambda s: s.strip() as mentioned above, or use the strip f...
How to convert a boolean array to an int array
...d seeing all the different ways to do it. Really opened my mind regarding python.
– Kwolf
Jul 6 '13 at 20:49
...
HTTP status code for update and delete?
...ble entity It helps to distinguish between a "Bad request" (e.g. malformed XML/JSON) and invalid field values
And 501, 502 in case of errors.
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windowSoftInputMode=“adjustResize” not working with translucent action/navbar
...oid:fitsSystemWindows="true"
in the root RelativeLayout of the fragment .xml layout.
Update:
Last year there was an interesting talk by Chris Bane that explains in good detail how this works:
https://www.youtube.com/watch?v=_mGDMVRO3iE
...
Finding differences between elements of a list
....tee and zip to efficiently build the result:
from itertools import tee
# python2 only:
#from itertools import izip as zip
def differences(seq):
iterable, copied = tee(seq)
next(copied)
for x, y in zip(iterable, copied):
yield y - x
Or using itertools.islice instead:
from it...
How to get the device's IMEI/ESN programmatically in android?
...D for CDMA).
You'll need the following permission in your AndroidManifest.xml:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
in order to do this.
That being said, be careful about doing this. Not only will users wonder why your application is accessing their telep...
Extract a part of the filepath (a directory) in Python
...
In Python 3.4 you can use the pathlib module:
>>> from pathlib import Path
>>> p = Path('C:\Program Files\Internet Explorer\iexplore.exe')
>>> p.name
'iexplore.exe'
>>> p.suffix
'.exe'
>&g...
Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...wn only in Google Chrome, according to my tests. I'm base64 encoding a big XML file so that it can be downloaded:
7 Answers...
Good reasons NOT to use a relational database?
...ls (i.e. text editors, grep etc)
Efficient storage of binary documents
XML or JSON files on disk
As above, but with a bit more ability to validate the structure.
Spreadsheet / CSV file
Very easy model for business users to understand
Subversion (or similar disk based version control ...