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What is an anti-pattern?
... <do something>; except: pass may be the Cardinal Sin antipattern in Python. See this: realpython.com/blog/python/…
– eric
Dec 14 '17 at 15:48
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Normalize data in pandas
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Slightly modified from: Python Pandas Dataframe: Normalize data between 0.01 and 0.99? but from some of the comments thought it was relevant (sorry if considered a repost though...)
I wanted customized normalization in that regular percentile of da...
Difference between Pig and Hive? Why have both? [closed]
... by analysts comfortable with SQL as well as by data miners programming in Python. SQL compatibility efforts in Pig have been abandoned AFAIK - so the difference between the two projects is very clear.
Supporting SQL syntax also means that it's possible to integrate with existing BI tools like Micr...
Should a function have only one return statement?
... experience having had to deal with it.
– Marcus Andrén
Nov 6 '09 at 14:51
7
'Imagine: you need ...
Is there a way to make mv create the directory to be moved to if it doesn't exist?
...irectories just like this: (supposed I want to create a subdirectory named python):
mkdir -p my_PDF/python && mv *.pdf $_
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Get the IP address of the machine
...current L3 interface addresses that are running"
– Stéphane
Mar 26 '17 at 0:44
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...ted Nov 22 '13 at 22:50
Imre Kelényi
21.7k55 gold badges3131 silver badges4444 bronze badges
answered Jan 14 '12 at 11:58
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How to check for an undefined or null variable in JavaScript?
...se
> Boolean(undefined) //false
all return false, which is similar to Python's check of empty variables.
So if you want to write conditional logic around a variable, just say
if (Boolean(myvar)){
// Do something
}
here "null" or "empty string" or "undefined" will be handled efficiently.
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...s will avoid the IllegalStateException exception.
– Héctor Júdez Sapena
Aug 21 '14 at 12:15
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MySQL “incorrect string value” error when save unicode string in Django
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If you have this problem here's a python script to change all the columns of your mysql database automatically.
#! /usr/bin/env python
import MySQLdb
host = "localhost"
passwd = "passwd"
user = "youruser"
dbname = "yourdbname"
db = MySQLdb.connect(host=hos...