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Add column with number of days between dates in DataFrame pandas
...
A list comprehension is your best bet for the most Pythonic (and fastest) way to do this:
[int(i.days) for i in (df.B - df.A)]
i will return the timedelta(e.g. '-58 days')
i.days will return this value as a long integer value(e.g. -58L)
int(i.days) will give you the -58 y...
How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...ill be thrown.
I have seen this in the graphs generated from the analysis python script - for Android System Applications, not just my own monitored apps.
Collect enough logs and you will eventually see it.
Bottom line:
The issue cannot be avoided - you will encounter it if your app runs in the ...
How to override and extend basic Django admin templates?
..., and is available in PyPi (pip/easy_install) as django-apptemplates: pypi.python.org/pypi/django-apptemplates
– Romløk
Oct 9 '12 at 9:19
9
...
Pass all variables from one shell script to another?
...variables can be passed to any process you execute, for example if we used python instead it might look like:
a.sh:
#!/bin/sh
MESSAGE="hello"
export MESSAGE
./b.py
b.py:
#!/usr/bin/python
import os
print 'The message is:', os.environ['MESSAGE']
Sourcing:
Instead we could source like this:...
Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
... MacQuantum made my day. ????
– Íhor Mé
Apr 30 '17 at 17:22
The platform property is read-only, but it...
Downloading Java JDK on Linux via wget is shown license page instead
...ireFox is incompatible with "automate download".
– Stéphane Gourichon
Nov 2 '13 at 8:35
1
Not as...
What's the best manner of implementing a social activity stream? [closed]
...for you. Have a look at getstream.io There are clients available for Node, Python, Rails and PHP.
In addition have a look at this high scalability post were we explain some of the design decisions involved:
http://highscalability.com/blog/2013/10/28/design-decisions-for-scaling-your-high-traffic-fe...
Can we write our own iterator in Java?
...rray of Strings
String[] languages = new String[]{"C", "C++", "Java", "Python", "Scala"};
// create your list and hold the values using the same list implementation.
SOList<String> languagesList = new SOList<String>(languages);
System.out.println("");
// Since our c...
get list from pandas dataframe column
...u pull them out, which you can then call x.tolist() on to turn them into a Python list. Alternatively you cast it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])}
df = pd.Data...
add a string prefix to each value in a string column using Pandas
...lso yields the desired output:
col
0 stra
1 str0
If you are using Python 3.6+, you can also use f-strings:
df['col'] = df['col'].apply(lambda x: f"str{x}")
yielding the same output.
The f-string version is almost as fast as @RomanPekar's solution (python 3.6.4):
df = pd.DataFrame({'col...