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Adding an arbitrary line to a matplotlib plot in ipython notebook
...matplotlib.pyplot as plt
np.random.seed(5)
x = np.arange(1, 101)
y = 20 + 3 * x + np.random.normal(0, 60, 100)
plt.plot(x, y, "o")
# draw vertical line from (70,100) to (70, 250)
plt.plot([70, 70], [100, 250], 'k-', lw=2)
# draw diagonal line from (70, 90) to (90, 200)
plt.plot([70, 90], [90, 20...
How to position text over an image in css
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How about something like this: http://jsfiddle.net/EgLKV/3/
Its done by using position:absolute and z-index to place the text over the image.
#container {
height: 400px;
width: 400px;
position: relative;
}
#image {
position: absolute;
left: 0;
top: 0;
}
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How do I represent a hextile/hex grid in memory?
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answered Jun 1 '13 at 15:59
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Changing names of parameterized tests
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302
This feature has made it into JUnit 4.11.
To use change the name of parameterized tests, you ...
How to use a decimal range() step value?
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33 Answers
33
Active
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Java Generics (Wildcards)
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123
In your first question, <? extends T> and <? super T> are examples of bounded wildca...
Set markers for individual points on a line in Matplotlib
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337
Specify the keyword args linestyle and/or marker in your call to plot.
For example, using a d...
CentOS+Nginx+PHP+MySQL详细配置(图解) - 更多技术 - 清泛网 - 专注C/C++及内核技术
... //启动MySQL
#/usr/local/mysql/bin/mysqladmin -u root password 123456 //设置MySQL密码
#cp support-files/my-medium.cnf /etc/my.cnf
#echo "/usr/local/mysql/bin/mysqld_safe &" >>/etc/rc.local
二、安装PCRE
PCRE是perl所用到的正则表达式，目的是让所装...
Show pending migrations in rails
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rake db:migrate:status (Rails 3 to 5) or rails db:migrate:status (Rails 5) will accomplish this. See this commit.
up means the migration has been run. down means the migration has not been run.
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How do I interpret precision and scale of a number in a database?
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3 Answers
3
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