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Changing the “tick frequency” on x or y axis in matplotlib?
...ant to tick marks with plt.xticks:
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
For example,
import numpy as np
import matplotlib.pyplot as plt
x = [0,5,9,10,15]
y = [0,1,2,3,4]
plt.plot(x,y)
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
plt.show()
(np.arange was used rather than Python's ...
How to normalize an array in NumPy?
...ke:
import transformations as trafo
import numpy as np
data = np.array([[1.0, 1.0, 0.0],
[1.0, 1.0, 1.0],
[1.0, 2.0, 3.0]])
print(trafo.unit_vector(data, axis=1))
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Showing the same file in both columns of a Sublime Text window
...1:
w.run_command('set_layout', {
'cols': [0.0, 1.0],
'rows': [0.0, 0.33, 1.0],
'cells': [[0, 0, 1, 1], [0, 1, 1, 2]]
})
w.focus_group(0)
w.run_command('clone_file')
w.run_command('move_to_grou...
Difference between decimal, float and double in .NET?
...bers that can be represented in decimal notation, but not 1/3 for example. 1.0m / 3.0m will evaluate to 0.33333333... with a large but finite number of 3s at the end. Multiplying it by 3 will not return an exact 1.0.
– Erik P.
Nov 29 '11 at 21:14
...
iPhone UIView Animation Best Practice
...tionCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationDuration:1.0];
[UIView setAnimationDelegate:self];
if (movingViewIn) {
// after the animation is over, call afterAnimationProceedWithGame
// to start the game
[UIView setAnimationDidStopSelector:@selector(afterAnimati...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...为是排列后的变量之间的Pearson线性相关系数。
范围：{-1.0,1.0}，当一致时为1.0，不一致时为-1.0。
说明：计算非常慢，有大量排序。针对推荐系统中的数据集来讲，用Spearman秩相关系数作为相似度量是不合适的。
CityBlockSimilari...
How to properly create an SVN tag from trunk?
.../svn.example.com/project/trunk \
http://svn.example.com/project/tags/1.0 -m "Release 1.0"
Shorthand:
cd /path/to/project
svn copy ^/trunk ^/tags/1.0 -m "Release 1.0"
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Integer division: How do you produce a double?
... @FabricioPH This works in every situation, and identically to the *1.0 solution.
– Vitruvius
Feb 23 '14 at 7:55
3
...
Rounded corner for textview in android
...l in the drawable folder and add the following content,
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<stroke
android:width="1dp"
android:color="@color/common_border_color" />
<soli...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...3 col4 col5 col6
0 A B 0.20 -0.61 -0.49 1.49
1 A B -1.53 -1.01 -0.39 1.82
2 A B -0.44 0.27 0.72 0.11
3 A B 0.28 -1.32 0.38 0.18
4 C D 0.12 0.59 0.81 0.66
5 C D -0.13 -1.65 -1.64 0.50
6 C D -1.42 -0.11 -0.18 -0.44
7 E F -0.00 1.42 -0.2...