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Naming returned columns in Pandas aggregate function? [duplicate]
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This will drop the outermost level from the hierarchical column index:
df = data.groupby(...).agg(...)
df.columns = df.columns.droplevel(0)
If you'd like to keep the outermost level, you can use the ravel() function on the multi-level column to form new lab...
Enable access control on simple HTTP server
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Python 3 solution
Python 3 uses SimpleHTTPRequestHandler and HTTPServer from the http.server module to run the server:
#!/usr/bin/env python3
from http.server import HTTPServer, SimpleHTTPRequestHandler, test
import sys
class CORSRequestHandler (SimpleHTTPRequestHandler):
def end_headers (s...
Generate a UUID on iOS from Swift
...alue back out, you can use uuid.UUIDString.
Note that NSUUID is available from iOS 6 and up.
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Is there an expression for an infinite generator?
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The /dev/urandom solution hinges on \ns appearing from time to time... Devious! :)
– hugomg
Apr 21 '11 at 2:23
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What is the easiest way to get current GMT time in Unix timestamp format?
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Does this help?
from datetime import datetime
import calendar
d = datetime.utcnow()
unixtime = calendar.timegm(d.utctimetuple())
print unixtime
How to convert Python UTC datetime object to UNIX timestamp
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Git: Merge a Remote branch locally
...g-in") and then do the following:
git merge origin/branch-i-want-to-merge-from
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...fault behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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Generate random 5 characters string
...lt or a verification token, don't. A salt (now) of "WCWyb" means 5 seconds from now it's "WCWyg")
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Finding the mode of a list
...unter supplied in the collections package which has a mode-esque function
from collections import Counter
data = Counter(your_list_in_here)
data.most_common() # Returns all unique items and their counts
data.most_common(1) # Returns the highest occurring item
Note: Counter is new in python 2.7...
Rename a dictionary key
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wim's answer in its initial revision from 2013, there have only been additions since. The orderedness only comes from OP's criterion.
– Andras Deak
Feb 10 '18 at 23:30
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