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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
...的构造器，通过“策略模式”实现，算法的组合。
新建文件：org.conan.mymahout.recommendation.job.RecommendFactory.java
public final class RecommendFactory {
...
}
1). 构造数据模型
public static DataModel buildDataModel(String file) throws TasteException, ...
Parse usable Street Address, City, State, Zip from a string [closed]
...et a copy of Postal Addressing Standards (USPS) at http://pe.usps.gov/cpim/ftp/pubs/Pub28/pub28.pdf and notice it is 130+ pages long. Regexes to implement that would be nuts.
For international addresses, all bets are off. US-based workers would not be able to validate.
Alternatively, use a data s...
What is a 'Closure'?
...
@crucifiedsoul It's Scheme. ftp.cs.indiana.edu/pub/scheme-repository/doc/pubs/intro.txt
– Kyle Cronin
May 13 '12 at 13:15
4
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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...一的、全新的技术，而是多种现有技术（如加密算法、P2P文件传输等）整合的结果，这些技术与数据库巧妙地组合在一起，形成了一种新的数据记录、传递、存储与呈现的方式。简单的说，区块链技术就是一种大家共同参与记录...
How and why do I set up a C# build machine? [closed]
...en finished and tested, is it a common practice to put that build up on an ftp site or have some other way for internal access? The idea is that this machine makes the build, and we all go to it, but can make debug builds if we have to.
A: Hudson can do whatever you want with it, that includes ID'i...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
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socket起源于Unix，而Unix/Linux基本哲学之一就是“一切皆文件”，都可以用“打开open –> 读写write/read –> 关闭close”模式来操作。我的理解就是Socket就是该模式的一个实现，socket即是一种特殊的文件，一些socket函数就是对其...
When to use the different log levels
...messages [, i.e. messages logged for the sake of tracing].
"proxy: FTP: control connection complete"
"proxy: CONNECT: sending the CONNECT request to the remote proxy"
"openssl: Handshake: start"
"read from buffered SSL brigade, mode 0, 17 bytes"
"map lookup FAILED: map=rewritemap key...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...used when you are dealing with different file systems such as Local FS, (S)FTP, S3, and others
hadoop dfs <args>
dfs is very specific to HDFS. would work for operation relates to HDFS. This has been deprecated and we should use hdfs dfs instead.
hdfs dfs <args>
same as 2nd ...
Downloading Java JDK on Linux via wget is shown license page instead
...y we need to use specific version of java. Yes I can find the file on some ftp, but I've just mentioned that from now you can't download previous version from the site without their account
– ALex_hha
May 25 '17 at 19:59
...
Coroutine vs Continuation vs Generator
...ntinuations are functions, but undelimited continuations aren't: okmij.org/ftp/continuations/undelimited.html#delim-vs-undelim
– Frank Shearar
Sep 16 '11 at 20:36
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