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mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 数据...
...串，从pos起直到结束
以下通过一个例子查看效果：
SELECT SUBSTRING_INDEX(contentid, '-', 1) first, substring(contentid, 2+length(SUBSTRING_INDEX(contentid, '-', 1))) second, contentid FROM `table_xxx`
mysql split 分割字符串
phpcms标签向导有什么用？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...014_website,调取最新的5条新闻，并按倒序排列
{pc:get sql="SELECT title,url FROM v9_news order by id desc" num="5" dbsource= "1014_website" }
{loop $data $n $r}
<li><a href="{$r['url']}" title="{$r['title']}">{$r['title']}</a></li>
{/loop}
{/pc}
3、以碎片方式
{pc:block ...
浅谈服务器单I/O线程＋工作者线程池模型架构及实现要点 - 更多技术 - 清泛...
...
这种架构主要是基于I/O多路复用的思想（主要是epoll，select/poll已过时），通过单线程I/O多路复用，可以达到高效并发，同时避免了多线程I/O来回切换的各种开销，思路清晰，易于管理，而基于线程池的多工作者线程，又可以...
Discuz 证件类型下拉框不显示的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 0, '证件类型', '身份证 护照 驾驶证等', 0, 0, 0, 0, 0, 0, 0, 'select', 0, '身份证\n护照\n驾驶证', '');
执行后更新缓存再看前台页面，证件那类型下拉框是不是出来了？是不是很神奇？ 前台程序代码没得问题的，放心使用！
找到文...
采花大盗速成秘籍之YQL - 人工智能(AI) - 清泛IT论坛，有思想、有深度
...手了，打开YQL Console，运行如下代码即可获得相关数据：select * from html
where url='http://www.dangdang.com/'
and xpath='//ul[@id="homepage_promotion_count_ul"]/li/p[@class="name"]/a'通过指定XPath，就能得到想要的数据，如果不熟悉XPath，...
mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 爬虫/...
...符串，从pos起直到结束
以下通过一个例子查看效果：
SELECT SUBSTRING_INDEX(contentid, '-', 1) first, substring(contentid, 2+length(SUBSTRING_INDEX(contentid, '-', 1))) second, contentid FROM `table_xxx`复制代码
How to dismiss ViewController in Swift?
...with "Done" as Identifier
invoke the Assistant Editor with the Done button selected
create an IBAction for this button
add this line into the brackets:
self.dismissViewControllerAnimated(true, completion: nil)
share
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How to auto-format code in Eclipse?
...he code in a source file (Huge track changes will be there on commit). So, select 'Format Edited lines'. This will edit and format only the lines you modified.
Gubs
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Cordova 3.5.0 Install Error- Please Install Android Target 19
...er (typing android into the terminal, assuming it's in your file path)
2) Selected box next to Android 4.4.2 (API 19)
3) Clicked button Install 8 packages
4) Ran original command (in this example cordova platform add android, although it could be ionic platform add android, depending on what you...
What is the difference between native code, machine code and assembly code?
...ted somewhere else. But that could be anywhere, depending on the location selected by the JIT compiler, so the debugger just starts numbering addresses from 0 at the start of the method.
The second column is the machine code. The actual 1s and 0s that the CPU executes. Machine code, like here, i...