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How to pip install a package with min and max version range?
...to install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ).
...
How to increase the gap between text and underlining in CSS
...
370
No, but you could go with something like border-bottom: 1px solid #000 and padding-bottom: 3px.
...
HSL to RGB color conversion
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308
Garry Tan posted a Javascript solution on his blog (which he attributes to a now defunct mjijac...
What does the ^ operator do in Java?
...perator.
Let's take 5^6 as example:
(decimal) (binary)
5 = 101
6 = 110
------------------ xor
3 = 011
This the truth table for bitwise (JLS 15.22.1) and logical (JLS 15.22.2) xor:
^ | 0 1 ^ | F T
--+----- --+-----
0 | 0 1 F | F T
1 | 1 0 T | T...
Sorting arrays in NumPy by column
... copy:
In [1]: import numpy as np
In [2]: a = np.array([[1,2,3],[4,5,6],[0,0,1]])
In [3]: np.sort(a.view('i8,i8,i8'), order=['f1'], axis=0).view(np.int)
Out[3]:
array([[0, 0, 1],
[1, 2, 3],
[4, 5, 6]])
To sort it in-place:
In [6]: a.view('i8,i8,i8').sort(order=['f1'], axis=0) #&...
How do I list all versions of a gem available at a remote site?
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205
Well, it was easier than I thought (well, not really, let's say as easy as it should be):
gem ...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...共享存储架构（主从模式）
http://blog.chinaunix.net/uid-25266990-id-3803277.html
DRBD使用gfs2,cman实现双主分布式文件存储方案
http://blog.sae.sina.com.cn/archives/3609
2.1搭建实验环境了
所需要的软件
REHL 6.4
drbd-8.4.6.tar.gz
drbd-utils-8....
Run an OLS regression with Pandas Data Frame
...kage which was one of pandas' optional dependencies before pandas' version 0.20.0 (it was used for a few things in pandas.stats.)
>>> import pandas as pd
>>> import statsmodels.formula.api as sm
>>> df = pd.DataFrame({"A": [10,20,30,40,50], "B": [20, 30, 10, 40, 50], "C":...
Draw a perfect circle from user's touch
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+500
Sometimes it is really useful to spend some time reinventing the wheel. As you might have already noticed there are a lot of framewor...
What's the best practice to round a float to 2 decimals? [duplicate]
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160
I was working with statistics in Java 2 years ago and I still got the codes of a function that a...