大约有 1,066 项符合查询结果(耗时:0.0097秒) [XML]

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Is it expensive to use try-catch blocks even if an exception is never thrown?

... ... and indeed, according to -XX:+UnlockDiagnosticVMOptions -XX:+PrintAssembly, both the loop and the addition therein are present in the generated native code. And no, the abstract methods are not inlined, because their caller is not just in time compile...
https://www.tsingfun.com/ilife/tech/1125.html 

京东天天果园与“褚橙”从合作演变成打假 - 资讯 - 清泛网 - 专注C/C++及内核技术

...企业家、“褚橙”创始人褚时健会面。随后,有京东方面消息传出,称“伴随着褚老与刘强东的会面,11月20日起,‘褚橙’即在京东现货发售”,并且还表示“京东橙”将上市。 然而,正当外界畅想不远的未来,“褚橙...
https://www.tsingfun.com/ilife/tech/902.html 

创业者如何发现开放却未知的秘密 - 资讯 - 清泛网 - 专注C/C++及内核技术

...(愉悦资本领投,晨兴资本、中信资本、和玉资本跟投)的消息,没有看到蚂蚁短租的融资新闻。客观上分析,两者代表的中国短租市场发展逊于预期。 另外一个现象也证实了这个判断。——中国几乎所有的经济型酒店都杀入了...
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Django Setup Default Logging

...you'd define a logger for 'django.db'. The django.request logger handles 5xx & 4xx http responses. – rych Sep 27 '11 at 22:56 ...
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Bootstrap 3 breakpoints and media queries

...ou can change the media query breakpoints and when it compiles the @screen-xx variables are changed to whatever pixel width you defined as screen-xx. This is how a framework like this can be coded once and then customized by the end user to fit their needs. A similar question on here that might pr...
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Building and running app via Gradle and Android Studio is slower than via Eclipse

...-with-dex-in-process-5988ed8aa37e#.krd1mm27v org.gradle.jvmargs=-Xmx5120m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 # When configured, Gradle will run in incubating parallel mode. # This option should only be used with decoupled projects. More details, visit # http:...
https://www.tsingfun.com/it/os_kernel/513.html 

两大桌面系统之战:Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...

...阅读列表,共享链接方便用户获得自己喜欢的网站的最新消息。   在 Windows 10 中微软给该系统设计了一个新的网络浏览器,它的开发代号叫做“Project Spartan(斯巴达项目)”。这个新的浏览器有三大重要功能。在阅读模...
https://www.tsingfun.com/it/tech/1068.html 

实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...改为轮询本地的共享内存,通过比对标识来判断是否有新消息,如果有便给客户端发出响应。 注:服务端维持大量长连接时内核参数的调整请参考:http长连接200万尝试及调优。 首先,我们简单写一点代码实现轮询(篇幅所限...
https://www.tsingfun.com/it/cpp/665.html 

线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

...参数传递进去了。其实这是不必要的,我们可以通过发送消息完成线程间窗口的交互。 afxMapHWND源码: CHandleMap* PASCAL afxMapHWND(BOOL bCreate) { AFX_MODULE_THREAD_STATE* pState = AfxGetModuleThreadState(); //这个函数名就说明句柄和对象的...
https://www.fun123.cn/reference/iot/UDP.html 

App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网

... Async”结尾的方法使用 AfterXmit 和 XmitFailure 事件确认发送消息。每次传输后都会触发 AfterXmit。如果您只对错误情况感兴趣,请使用 XmitFailure 事件,该事件在发生错误时也会触发。其他两种方法将错误代码作为返回值返回。 通...