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What is the best way to repeatedly execute a function every x seconds?

... @JavaSa: because "do your stuff" is not instantaneous and errors from time.sleep may accumulate here. "execute every X seconds" and "execute with a delay of ~X seconds repeatedly" are not the same. See also this comment – jfs Jan 25 '17 at 15:...
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phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...前面加一句把类别缓存加载进来: <?php $TYPE = getcache('type_content','commons');?> 然后在循环里写: <a href="index.php?m=content&c=type&catid={$catid}&typeid={$r[typeid]}">{$TYPE[$r[typeid]][name]}</a> 这样就可以调用出来类别了,不过链接暂时无效,因...
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How to install Xcode Command Line Tools

... "Xcode.SDKs" = ( ); }; version = "1.1.1"; }. Error: Error Domain=NSCocoaErrorDomain Code=3840 "The data couldn’t be read because it has been corrupted." (Encountered unknown ampersand-escape sequence at line 18) UserInfo=0x401bc8e60 {NSDebugDescription=Encountered unk...
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AsyncProcedures异步过程扩展 · App Inventor 2 中文网

... 进度反馈: 为长时间运行的异步过程提供进度反馈 加载提示: 显示加载状态或进度条 结果处理: 妥善处理异步过程的结果 使用示例 示例1:数据处理 // 处理大量数据的异步过程 when ProcessL...
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How can I tell how many objects I've stored in an S3 bucket?

... Gives this error when I ran the above in cmd prompt - 'wc' is not recognized as an internal or external command, operable program or batch file. - I'm pretty new to this so can someone give a solution? – Sandun ...
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?

... answered Apr 22 at 9:05 Athul RajAthul Raj 1,06311 gold badge88 silver badges2121 bronze badges ...
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How to check if all of the following items are in a list?

... answered Oct 14 '10 at 9:05 Glenn MaynardGlenn Maynard 48.9k88 gold badges102102 silver badges128128 bronze badges ...
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What is “rvalue reference for *this”?

...-value. So if this is in the type Object: Object foo; foo.RValueFunc(); //error: no `RValueFunc` version exists that takes `this` as l-value. Object().RValueFunc(); //calls the non-const, && version. This way, you can specialize behavior based on whether the object is being accessed via a...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...不同的情况来动态调整自己的发包的速度,小则让自己的连接更稳定,大则让整个网络更稳定。在你阅读下篇之前,你需要做好准备,本篇文章有好些算法和策略,可能会引发你的各种思考,让你的大脑分配很多内存和计算资源...
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libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术

...p_server(int port); // client端socket流程:socket(),connect(),返回连接的sockfd int create_io_channel(const char *ipaddr, int port); 2. 搭建TCP Server 下面以伪代码方式给出,错误处理省略 int main(int argc, char *argv[]) { // 初始化 … // event...