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An operation on a socket could not be performed because the system lac...

...缓冲区空间不足,或者因为队列已满,不能执行套接字上操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启,查看日志报错:An operation on a socket could not be performed because the system ...
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App Inventor 2 天气预报App开发 - 第三方API接入通用方法 · App Inventor 2 中文网

... App Inventor 2 天气预报App开发 - 第三方API接入通用方法 App原理介绍 第三方天气API介绍 创建一个项目 填写必要参数 查看已创建项目 查看API文档,确定...
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Best practices/performance: mixing StringBuilder.append with String.concat

...timize the + concatenation. So int a = 1; String s = "Hello " + a; is transformed into new StringBuilder().append("Hello ").append(1).toString(); There an excellent topic here explaining why you should use the + operator. ...
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理解Python with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

理解Python with 语句With语句是什么?Python’s with statement provides a very convenient way of dealing with the situation where you With语句是什么? Python’s with statement provides a very convenient way of dealing with the situation where you have to do a setup an...
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C++中判断文件、目录是否存在几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

C++中判断文件、目录是否存在几种方法在我们平时编程时,经常需要判断文件或者目录是否存在,相对来说判断文件存在性比较简单,目录则比较复杂。下面就详细介绍几种方法。...在我们平时编程时,经常需要判断...
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C++虚析构函数解析 - C/C++ - 清泛网 - 专注C/C++及内核技术

C++虚析构函数解析为什么基类析构函数是虚函数?在实现多态时,当用基类操作派生类,在析构时防止只析构基类而不析构派生类状况发生。以下内容转自:http...为什么基类析构函数是虚函数? 在实现多态时,当用基类...
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手头幸福 - 杂谈 - 清泛网 - 专注C/C++及内核技术

手头幸福《笑林广记》中有这样一则故事:  一鬼托生时,冥王判作富人。  鬼曰:我不愿富。只求一生衣食不缺,无是无非,烧清香,吃苦茶,安闲过...《笑林广记》中有这样一则故事:   一鬼托生时,冥王判作...
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如何实现phpcms和discuzCookie同步 - 更多技术 - 清泛网 - 专注C/C++及内核技术

如何实现phpcms和discuzCookie同步===本文导读===UCenter实现各系统通信原理如何实现phpcms和discuzCookie同步===全文阅读===整合phpcms v9和discuz X3 2实现同步登陆 ===本文导读=== UCenter实现各系统通信原理 整合phpcms v9和discuz X3.2实...
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JS文字卷动效果调用函数:startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术

JS文字卷动效果调用函数:startmarqueejquery sgallery js 里面有现成函数startmarquee() 实现文字向上滚动效果。这里介绍一下实现原理:function startmarquee(lh,speed,delay,index){ *函数startmarquee参数: jquery.sgallery.js 里面有现成函数 st...
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C/C++ line number

... @Sanctus2099: It was edited, because Markdown transformed your double underscores to display FILE and LINE in bold font (don't you check how your answer looks like?). Another point might be (at least it looks to me this way now) that you gave an answer 1 hour after an al...