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https://www.tsingfun.com/it/tech/2004.html 

9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术

9个常用iptables配置实例iptables命令可用于配置Linux的包过滤规则,常用于实现防火墙、NAT。咋一看iptables的配置很复杂,掌握规律后,其实用iptables完成指定任务...iptables命令可用于配置Linux的包过滤规则,常用于实现防火墙、NAT。...
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micro:bit 实验05 - 用 P0 引脚读一个自己接的按钮 · App Inventor 2 中文网

... micro:bit 实验05 - 用 P0 引脚读一个自己接的按钮 实验05:用 P0 引脚读一个自己接的按钮 这个实验做完你会得到什么 一、器材清单 二、接线 三、界面组件 ...
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HarmonyOS · App Inventor 2 中文网

...low) 跨设备流转组件 - 实现应用在鸿蒙设备间的无缝迁移。 鸿蒙独有组件,基于 Mission continuation/DistributedMissionManager API。 使用指导保存页面状态、选择目标并发起流转的完整案例与运行前提查看 → 属性 ...
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File Hash 扩展:文件哈希计算和 Base64 编码文件,sha256、sha512 哈希 ·...

... File Hash 扩展提供文件哈希计算功能,可以计算文件的 SHA256 和 SHA512 哈希值。同时包含 Base64 文本编码功能。 下载链接 uk.co.metricrat.getfilesha256V0.2.aix uk.co.metricrat.justbase64.aix - Base64 编码扩展 功能...
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What Every Programmer Should Know About Memory?

...the benchmarks). See also other x86 performance-tuning and SSE/asm (and C/C++) optimization links in the x86 tag wiki. (Ulrich's article isn't x86 specific, but most (all) of his benchmarks are on x86 hardware.) The low level hardware details about how DRAM and caches work all still apply. DDR4...
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Why does the indexing start with zero in 'C'?

... is. Even if 1-based indexes offered some advantage, it's in the spirit of C++ to choose performance over convenience. C++ is sometimes used in contexts where every last bit of performance matters, and these "small" things can quickly add up. – Branko Dimitrijevic ...
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Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?

...d line to run your unit tests) It causes VS2010 not to be able to compile C++ projects, failing with a link error. Even after uninstalling VS2012 RC, this problem still persists... so I'd advise strongly against installing it right now ...
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How do I enable C++11 in gcc?

...://hpc.sourceforge.net on Mac OSX Mountain Lion. I am trying to compile a C++ program which uses the to_string function in <string> . I need to use the flag -std=c++11 every time: ...
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App Inventor 2 拓展参考文档 · App Inventor 2 中文网

...本文档描述您在使用App Inventor 2构建应用程序时所能用到的拓展,以打造界面更加酷炫、功能更加强大的App。     更多拓展请移步至《原版最全拓展一览》。        【实用小技巧】从.aia项目文件中提取.aix拓展包 【自...
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NumberPicker 扩展:滑动选择数字,自定义样式 · App Inventor 2 中文网

...文本列表,用户可以通过滑动或点击来选择。 可自定义的内容包括:颜色、大小、边框、分隔线等。 演示 截图 下载 .aix拓展文件: joejsanz.joedevnumberpicker.aix .aia示例...