1. 写正则表达式时,为什么要加上re.S Make the '.' special character match any character at all, including a newline; without this flag, '.' will match anything excep ...
分类:
编程语言 时间:
2018-04-26 16:55:35
阅读次数:
161
Piggy-Bank Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes f ...
分类:
其他好文 时间:
2018-04-18 10:30:14
阅读次数:
182
WebJars能使Maven的依赖管理支持OSS的JavaScript库/CSS库,比如jQuery、Bootstrap等; WebJars是将Web前端Javascript和CSS等资源打包成Java的Jar包,这样在Java Web开发中我们可以借助Maven这些依赖库的管理,保证这些Web资源 ...
分类:
编程语言 时间:
2018-03-30 14:08:21
阅读次数:
318
在线程安全1中,我介绍了线程同步的意义和一种实现线程同步的方法:volatile。volatile关键字属于原子操作的一种,若对一个关键字使用volatile,很多时候会显得很“浪费”,因为只有在并发访问的情况下才需要“易变”读写,单线程访问时并不需要。在命名空间System.Threading命名 ...
分类:
编程语言 时间:
2018-03-12 22:57:08
阅读次数:
508
前景色 Marine Biology The Composition of Seawater Almost anything can be found in seawater. This includes dissolved materials from Earth's crust as well ... ...
分类:
其他好文 时间:
2018-03-10 11:48:40
阅读次数:
194
背景色 Marine Biology The Composition of Seawater Almost anything can be found in seawater. This includes dissolved materials from Earth's crust as well ... ...
分类:
其他好文 时间:
2018-03-10 11:47:47
阅读次数:
189
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, root@localhost and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
分类:
Web程序 时间:
2018-03-09 10:39:53
阅读次数:
197
Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL query to find all customers who never order anything ...
分类:
其他好文 时间:
2018-03-03 18:20:26
阅读次数:
146
No need to have a reason to love you. Anything can be a reason not to love you. 喜欢你,不需要什么理由;不喜欢你,什么都可以成为理由。 I love you because I feel very comfortable ...
分类:
其他好文 时间:
2018-02-16 21:03:24
阅读次数:
201
广告: 1. 先是放一下本文的 "::github传送门::" (不知道为什么要放) 2. 今天发现了一个AMA(Ask me anything)的东西, 觉得非常好玩, 就fork了一个放到自己的github里面, 估计没有人会来问, 所以就放到这里拉拢人气(虽然这里也拉拢不到) 欢迎大家来玩哦~ ...
分类:
其他好文 时间:
2018-02-04 18:03:45
阅读次数:
193