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Modifying a subset of rows in a pandas dataframe
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Starting from pandas 0.20 ix is deprecated. The right way is to use df.loc
here is a working example
>>> import pandas as pd
>>> import numpy as np
>>> df = pd.DataFrame({"A":[0,1,0], "B":[2,0,...
How to update gradle in android studio?
... update to version 0.2 and of course I updated. After the installation I restarted Android Studio but now I get this message:
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How can I convert a Unix timestamp to DateTime and vice versa?
There is this example code, but then it starts talking about millisecond / nanosecond problems.
19 Answers
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Android: View.setID(int id) programmatically - how to avoid ID conflicts?
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The Id should be unique. Starting from API level 17 there is a static method in the View class that generates a random Id to use it as view id. That method ensures that the generated id will not collide with any other view id already generated by t...
Convert to binary and keep leading zeros in Python
...ly what I was looking for, this formatting is really helpful to me. I have started learning bit manipulation and I was googling for bit formatting for numbers in Python. Found this. Thank you.
– kratostoical
Dec 17 '17 at 13:23
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Best practice multi language website
...are not dealing with unknown amount of possible languages in case of "cold start" (when user first time opens site with custom query).
Instead you have 3 simple, prioritized options:
if [:language] segment is set, use it
if $_COOKIE['lang'] is set, use it
use default language
When you have the lan...
Generating statistics from Git repository [closed]
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I tried http://gitstats.sourceforge.net/, starts are very interesting.
Once git clone git://repo.or.cz/gitstats.git is done, go to that folder and say gitstats <git repo location> <report output folder> (create a new folder for report as this generates l...
Trigger 404 in Spring-MVC controller?
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Starting from Spring 5.0, you don't necessarily need to create additional exceptions:
throw new ResponseStatusException(NOT_FOUND, "Unable to find resource");
Also, you can cover multiple scenarios with one, built-in excep...
If a folder does not exist, create it
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@Tavousi this functions provided by jeroenh would be good start ;)
– Allan Chua
Jan 30 '12 at 14:46
n...
How to swap the buffers in 2 windows emacs
.... From there you can do many things listed in their docs.
You can also start by calling ace-window and then decide to switch the
action to delete or swap etc. By default the bindings are:
x - delete window
m - swap (move) window
c - split window fairly, either vertically or hori...