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How to split a sequence into two pieces by predicate?
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195
By using partition method:
scala> List(1,2,3,4).partition(x => x % 2 == 0)
res0: (List[I...
Get first day of week in PHP?
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JadedCoreJadedCore
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Does the ternary operator exist in R?
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answered Jan 9 '12 at 14:52
kohskekohske
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... standard Hex colors in the form of strings. For example: "#AA6622" or "#bb551144".
Auto-detects and accepts standard RGB colors in the form of strings. For example: "rgb(123,45,76)" or "rgba(45,15,74,0.45)".
Shades colors to white or black by percentage.
Blends colors together by percentage.
Does H...
Aligning rotated xticklabels with their respective xticks
...igned with the tickpoint?
Given your description, you want: ha='right'
n=5
x = np.arange(n)
y = np.sin(np.linspace(-3,3,n))
xlabels = ['Ticklabel %i' % i for i in range(n)]
fig, axs = plt.subplots(1,3, figsize=(12,3))
ha = ['right', 'center', 'left']
for n, ax in enumerate(axs):
ax.plot(x,...
Why does substring slicing with index out of range work?
...ppens when you do the same thing to a list:
>>> [0, 1, 2, 3, 4, 5][3]
3
>>> [0, 1, 2, 3, 4, 5][3:4]
[3]
Here the difference is obvious. In the case of strings, the results appear to be identical because in Python, there's no such thing as an individual character outside of a st...
Can't use modulus on doubles?
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MysticialMysticial
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CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2015-4-26 14:29 编辑
一、安装MySQL
目前web服务器已经很少有跑静态页面的，如果要跑动态网站那当然就离不开数据库，虽然在以前文章中有写MySQL是怎么安装的，但是感觉好久没...
How to convert a NumPy array to PIL image applying matplotlib colormap
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235
Quite a busy one-liner, but here it is:
First ensure your NumPy array, myarray, is normalised ...
How to do this using jQuery - document.getElementById(“selectlist”).value
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150
$('#selectlist').val();
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