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Python integer division yields float
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292
Take a look at PEP-238: Changing the Division Operator
The // operator will be available t...
Get PostGIS version
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edited Mar 28 '13 at 20:19
Brad Koch
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List of tuples to dictionary
...() on the list of tuples directly
>>> my_list = [('a', 1), ('b', 2)]
>>> dict(my_list)
{'a': 1, 'b': 2}
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How to define different dependencies for different product flavors
... }
dependencies {
classpath 'com.android.tools.build:gradle:1.2.3'
}
}
apply plugin: 'com.android.application'
repositories {
mavenCentral()
}
android {
compileSdkVersion 22
buildToolsVersion "22.0.1"
defaultConfig {
minSdkVersion 10
targetSdkVersi...
Getting individual colors from a color map in matplotlib
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226
You can do this with the code below, and the code in your question was actually very close to ...
How to convert a boolean array to an int array
...t;>> x
array([ True, False, True], dtype=bool)
>>> x + [1, 2, 3]
array([2, 2, 4])
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How to set a single, main title above all the subplots with Pyplot?
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291
Use pyplot.suptitle or Figure.suptitle:
import matplotlib.pyplot as plt
import numpy as np
f...
How to change a command line argument in Bash?
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2 Answers
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How to drop columns by name in a data frame
... or the subset function. For example :
R> df <- data.frame(x=1:5, y=2:6, z=3:7, u=4:8)
R> df
x y z u
1 1 2 3 4
2 2 3 4 5
3 3 4 5 6
4 4 5 6 7
5 5 6 7 8
Then you can use the which function and the - operator in column indexation :
R> df[ , -which(names(df) %in% c("z","u"))]
x y
1 1...
Matplotlib: “Unknown projection '3d'” error
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edited Apr 4 '19 at 18:23
Matthew Salvatore Viglione
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