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实战做项目如何选择开源许可协议（一）-了解协议 - 开源 & Github - 清泛网...
...，中文版封闭不要开源。
在国内大家习惯了使用盗版、破解，看到这种免费的软件也觉得是理所当然的拿来主义，甚至直接封装到自己的商业组件卖出去。如果你正在这样做，马上停下来研究一下使用的这些开源组件的许可协...
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...
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 ...
Parse DateTime string in JavaScript
...epicker.formatDate('M d, yy', parsedDate));
http://jsfiddle.net/mescalito2345/ND2Qg/14/
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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...
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
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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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