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JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
...不是！他是一堆进程，怎么和我们的调度框架结合起来？看图说话：
基本前面的分布式调度框架组件不变，增加如下组件和功能：
1、改造分布式调度框架，可以把本身线程任务变成mapreduce任务并提交到hadoop集群。
2、hadoop集...
互联网金融创业大赛收官 揭示创业三大风向标 - 资讯 - 清泛网 - 专注C/C++...
...出当下互联网金融创业的新趋势。
房司令：关注热点，破解青年租房窘境
随着漂在北上广等一线城市的年轻人逐年递增，租房成了大学生以及刚工作的小白领们最头疼的问题。对于他们来说，工资相对较低，房租成为每月的...
Java HashMap performance optimization / alternative
...the same, but the key is different. For instance if a String give hashcode 2345 and and Integer gives the same hashcode 2345, then the integer is inserted into the list because String.equals( Integer ) is false. But if you have the same class ( or at least .equals returns true ) then the same entry ...
How to fix “Headers already sent” error in PHP
... header information - headers already sent by
(output started at /www/usr2345/htdocs/auth.php:52) in
/www/usr2345/htdocs/index.php on line 100
Here "line 100" refers to the script where the header() invocation failed.
The "output started at" note within the parenthesis is more significant.
It...
Parse DateTime string in JavaScript
...epicker.formatDate('M d, yy', parsedDate));
http://jsfiddle.net/mescalito2345/ND2Qg/14/
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社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...类异常，简单就是有验证码了人为去输入，高级一些可以破解验证码识别算法实现自动输入验证码的目的。
扩展一下 ：所见即所得我们是不是真的做到？规则配置也是个重复的大任务？重复网页如何不抓取？
1、有些网...
Regex for numbers only
... One scenario I am missing here is the Engineering notation (1.2345e-4) any suggestion about that?
– WolfiG
Jun 13 '19 at 8:53
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Convert floating point number to a certain precision, and then copy to string
I have a floating point number, say 135.12345678910 . I want to concatenate that value to a string, but only want 135.123456789 . With print, I can easily do this by doing something like:
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Java: parse int value from a char
...
Try the following:
str1="2345";
int x=str1.charAt(2)-'0';
//here x=4;
if u subtract by char '0', the ASCII value needs not to be known.
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思维导图软件 XMind 与 FreeMind 的对比 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...FreeMind导出为html。
（完）
2012-04-18: 更新导出功能比较
2009-11-17: 初稿。
作者: 善用佳软 2012-04-17
出处: https://xbeta.info/xmind-freemind.htm
思维导图 XMind FreeMind