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Use a list of values to select rows from a pandas dataframe [duplicate]
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git: difference between “branchname” and “refs/heads/branchname”
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128
A ref is anything pointing to a commit, for example, branches (heads), tags, and remote branch...
Changes in import statement python3
...n(degrees(x))
Note that it already triggers a warning in Python 2:
a.py:1: SyntaxWarning: import * only allowed at module level
def sin_degrees(x):
In modern Python 2 code you should and in Python 3 you have to do either:
def sin_degrees(x):
from math import sin, degrees
return sin(d...
Regular expression to limit number of characters to 10
...te a regular expression that will only allow lowercase letters and up to 10 characters. What I have so far looks like this:
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Inject errors into already validated form?
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edited Oct 19 '18 at 10:05
wolendranh
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How to make an app's background image repeat
...ng black while scrolling.
drawable/app_background.xml:
<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/actual_pattern_image"
android:tileMode="repeat" />
values/styles.xml:
<?xml ...
Find difference between timestamps in seconds in PostgreSQL
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edited May 20 '14 at 15:58
altermativ
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How do I decode a string with escaped unicode?
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108
Edit (2017-10-12):
@MechaLynx and @Kevin-Weber note that unescape() is deprecated from non-br...
How to exclude file only from root folder in Git
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612
From the documentation:
If the pattern does not contain a slash /, git treats it as a shell gl...
Golang: How to pad a number with zeros when printing?
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179
The fmt package can do this for you:
fmt.Printf("|%06d|%6d|\n", 12, 345)
Notice the 0 in %...