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Set 4 Space Indent in Emacs in Text Mode
...an one, they won't work right.
'(tab-stop-list (quote (4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100 104 108 112 116 120))))
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docker mounting volumes on host
...le/…
– Hugo Koopmans
Mar 24 at 11:32
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Python Pandas: Get index of rows which column matches certain value
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32
Can be done using numpy where() function:
import pandas as pd
import numpy as np
In [716]: df...
Equivalent to 'app.config' for a library (DLL)
...turn string.Empty;
}
And to use it:
Configuration config = null;
string exeConfigPath = this.GetType().Assembly.Location;
try
{
config = ConfigurationManager.OpenExeConfiguration(exeConfigPath);
}
catch (Exception ex)
{
//handle errror here.. means DLL has no sattelite configuration file....
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...序，搞得灰头土脸，最后黔驴技穷开启了FastCGI Cache，算是勉强应付过去了吧。不过FastCGI Cache不支持分布式缓存...前些天帮别人优化PHP程序，搞得灰头土脸，最后黔驴技穷开启了FastCGI Cache，算是勉强应付过去了吧。不过FastCGI Cach...
Removing duplicate rows in Notepad++
...isionary".
– GeertVc
Sep 1 '14 at 9:32
7
More powerful than excel.
– Vasu
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How to install lxml on Ubuntu
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I also had to install lib32z1-dev before lxml would compile (Ubuntu 13.04 x64).
sudo apt-get install lib32z1-dev
Or all the required packages together:
sudo apt-get install libxml2-dev libxslt-dev python-dev lib32z1-dev
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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SpaceghostSpaceghost
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How To Test if Type is Primitive
...ne by one.
Edit 3: IsPrimitive = (Boolean, Byte, SByte, Int16, UInt16, Int32, UInt32, Int64, UInt64, IntPtr, UIntPtr, Char, Double, and Single),
Anther Primitive-Like type to check (t == typeof(DateTime))
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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
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图片摘自Mahout in Action
从上图中我们可以看到，算法是被模块化的，通过1,2,3,4的过程进行方法调用。
程序代码：
public class UserCF {
final static int NEIGHBORHOOD_NUM = 2;
final static int RECOMMENDER_NUM = 3;
public static void main...