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Pandas - How to flatten a hierarchical index in columns
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496
I think the easiest way to do this would be to set the columns to the top level:
df.columns =...
How to create GUID / UUID?
...ifier), also known as GUIDs (Globally Unique IDentifier), according to RFC 4122, are identifiers designed to provide certain uniqueness guarantees.
While it is possible to implement an RFC-compliant UUIDs in a few lines of JS (E.g. see @broofa's answer, below) there are several common pitfalls:
I...
Add string in a certain position in Python
...thon Strings are immutable.
>>> s='355879ACB6'
>>> s[4:4] = '-'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'str' object does not support item assignment
It is, however, possible to create a new string that has the inserted ...
Download the Android SDK components for offline install
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54
To install android component do following steps
Run android sdk manager on offline machine
Cli...
EC2 Instance Cloning
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edited Mar 24 '14 at 17:03
Lemmings19
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Frame Buster Buster … buster code needed
..." create a setInterval method that tries to break the frame. If after 3 or 4 tries your page still isn't the top page - create a div element that covers the whole page (modal box) with a message and a link like...
You are viewing this page in a unauthorized frame window - (Blah blah... potential se...
Rolling or sliding window iterator?
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124
There's one in an old version of the Python docs with itertools examples:
from itertools import...
multiprocessing: sharing a large read-only object between processes?
... that respond to HTTP GET so the workers can query the server.
Solution 4
Shared filesystem object. Unix OS offers shared memory objects. These are just files that are mapped to memory so that swapping I/O is done instead of more convention buffered reads.
You can do this from a Python contex...
How to clear gradle cache?
...ying to use Android Studio, and the first time I boot it up, it takes like 45 MINUTES to compile... If I don't quit the application, it is okay - each subsequent compilation/running the app will take around 45 seconds.
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