大约有 1,100 项符合查询结果(耗时:0.0101秒) [XML]

https://www.tsingfun.com/it/tech/1087.html 

Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...当然qps也是我们需要考虑的性能点之一。这种应用常见于消息推送系统,也称为comet应用,比如聊天室或即时消息推送系统等。comet应用具体可见我之前的介绍,在此不多讲。对于这类系统,因为很多消息需要到产生时才推送给...
https://www.tsingfun.com/it/cpp/1427.html 

GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术

...行单击,双击或右击单元格等操作时,表格会发送响应的消息,可以在父窗口添加处理消息的函数,做法如下: GVN_BEGINDRAG // Sent when dragging starts GVN_BEGINLABELEDIT // Sent when inplace editing starts GVN_ENDLABELEDIT // Sent when inplace ...
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苹果全球开发者大会:无硬件 iOS 9等三大系统更新 - 资讯 - 清泛网 - 专注C...

...大会:无硬件 iOS 9等三大系统更新新浪手机讯 6月9日凌晨消息,2015年苹果全球开发者大会(WWDC 2015)在美国旧金山正式开幕,本届主题为the epicenter of change(变革的 新浪手机讯 6月9日凌晨消息,2015年苹果全球开发者大会(WWDC 2015)在...
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Print All JVM Flags

... Do not miss also -XX:+JVMCIPrintProperties for Graal JIT options. Before dive into sources you can skim over following extracts and find suitable option faster: https://chriswhocodes.com/ (OracleJDK 6/7/8/9/10/11/12, OpenJDK 8/9/10/11, Gra...
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cocktail party algorithm SVD implementation … in one line of code?

...e - [x1, Fs1] = audioread('mix1.wav'); [x2, Fs2] = audioread('mix2.wav'); xx = [x1, x2]'; yy = sqrtm(inv(cov(xx')))*(xx-repmat(mean(xx,2),1,size(xx,2))); [W,s,v] = svd((repmat(sum(yy.*yy,1),size(yy,1),1).*yy)*yy'); a = W*xx; %W is unmixing matrix subplot(2,2,1); plot(x1); title('mixed audio - mic ...
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Android Studio Google JAR file causing GC overhead limit exceeded error

...didn't work for me, needed to up in gradle.properties: org.gradle.jvmargs=-XX:MaxPermSize=1024m -Xms1024m -Xmx4096m -XX:ReservedCodeCacheSize=1024m – hmac Feb 28 '19 at 21:28 ...
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scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML - 更多技术 -...

...th抓取节点的文本innerText、innerHTML、outerHTML假设抓取:<p> xx<b>x< b>< p> 抓取p节点本身,得到的内容:<p>xx<b>x< b>< p>response xpath(& 39; div[@class="question"] div[2] div[2] div[1] p[1]& 39;) extract() 抓 假设抓取: <p> xx<b>x</b> </p> scrapy代码...
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【解决】Missing FindPython3.cmake - C/C++ - 清泛网 - 专注IT技能提升

...方法: 1、访问:https://cmake.org/files/,下载最新版 cmake-3.xx.x-Linux-x86_64 2、解压 tar -zxvf cmake-3.xx.x-Linux-x86_64 3、mv cmake-3.xx.x-Linux-x86_64 /opt/cmake-3.xx.x ln -sf /opt/cmake-3.xx.x/bin/* /usr/bin/ 4、检查版本: cmake --version 参考:https://m.li...
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【解决】Missing FindPython3.cmake - C/C++ - 清泛网 - 专注IT技能提升

...方法: 1、访问:https://cmake.org/files/,下载最新版 cmake-3.xx.x-Linux-x86_64 2、解压 tar -zxvf cmake-3.xx.x-Linux-x86_64 3、mv cmake-3.xx.x-Linux-x86_64 /opt/cmake-3.xx.x ln -sf /opt/cmake-3.xx.x/bin/* /usr/bin/ 4、检查版本: cmake --version 参考:https://m.li...