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How to remove non-alphanumeric characters?
...ld'); // helloworld
preg_replace('/[^\p{L}\p{N} ]+/', '', 'abc@~#123-+=öäå'); // abc123öäå
preg_replace('/[^\p{L}\p{N} ]+/', '', '你好世界!@£$%^&*()'); // 你好世界
Note: This is a very old, but still relevant question. I am answering purely to provide supplementary information...
jQuery checkbox change and click event
... and say true. Just in case you want to fix it.
– GµårÐïåñ
Jun 23 at 17:50
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...ctivityClass 应指向应用程序活动类（对于此演示，它是 com.appinventor.cardboard.ui.PanoramaActivity）
ActivityPackage 即 com.appinventor.cardboard
对于应用程序的块部分，唯一需要的 App Inventor 块是按钮单击的事件处理程序。每个事件处理程序...
Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...封。因此需要通过一些参数配置解决，重试一定次数后仍失败的就放弃发送。postfix发信的频率控制有几个:
smtpd_client_connection_rate_limit=5
ip地址连接的频率控制.
smtpd_client_message_rate_limit=5
客户端发送邮件的频率控制.(某种情况下...
Git checkout: updating paths is incompatible with switching branches
... answered Jul 5 '13 at 9:33
PålOliverPålOliver
2,10611 gold badge2020 silver badges2323 bronze badges
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创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...t stores data on a test service provided by App Inventor, http://tinywebdb.appinventor.mit.edu/ . This service is helpful for testing, but it is shared by all App Inventor users, and it has a limit of 1000 entries. If you use it, your data will be overwritten eventually.
For most apps you write, yo...
how to change namespace of entire project?
... answered Sep 7 '15 at 13:50
Selçuk ErmayaSelçuk Ermaya
4733 bronze badges
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动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...本语言或者其他高级语言的虚拟机、解释器及即时（JIT）编译器，顶上则是应用层面的各种业务逻辑的抽象层次和很多复杂的代码逻辑。
这些巨大的挑战带来的最严重的后果就是，今天的软件工程师正在迅速地丧失对整个生产...
Upload file to FTP using C#
...ered Mar 7 '13 at 10:37
Björn MårtenssonBjörn Mårtensson
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Suppress deprecated import warning in Java
In Java, if you import a deprecated class:
6 Answers
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