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Significant new inventions in computing since 1980

...nd the house or on my bike. With such a system I could scan the old part, repair it in software, and then create the replacement. – Andy Webb Jan 11 '09 at 17:48 44 ...
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How can I plot with 2 different y-axes?

... follow | edited Dec 16 '14 at 23:28 answered May 26 '11 at 18:20 ...
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Base64Util 拓展:支持图像框、画布、文件、文本字符串、图像精灵base64编...

...码 Base64Util 扩展 下载链接 致谢 注意事项 图像框有关 画布有关 文件有关 文本字符串有关 图像精灵有关 其他可视组件有关 函数 使用示例 ...
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Why does modern Perl avoid UTF-8 by default?

...lts: you can have a working program for a long time, but when you start to repair it, it breaks. Don't worry; if you are adding encode/decode statements to your program and it breaks, it just means you have more work to do. Next time, when you design with Unicode in mind from the beginning, it will ...
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How to use range-based for() loop with std::map?

...f you don't plan on modifying the values. In C++11 and C++14, you can use enhanced for loops to extract out each pair on its own, then manually extract the keys and values: for (const auto& kv : myMap) { std::cout << kv.first << " has value " << kv.second << std::en...
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C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

...l.cpp 和主模块两个文件中——生成工程没有链接错误。去下载源代码自己尝试一下吧。 如果你正在为其他开发人员写模板库,extern 方式会很不爽,因为你必须创建一个带目标模块的链接库(lib),它包含有特化。如果你已经有...
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Finding all cycles in a directed graph

...er the starting point of multiple practical algorithms which apply various enhancements in order to improve performance and avoid cycle duplication. I was surprised to find out some time ago that these algorithms are not readily available in textbooks and on the web. So I did some research and imple...
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谁在争抢UGC - 资讯 - 清泛网 - 专注C/C++及内核技术

...业务,而是一种用户使用互联网的新方式,即由原来的以下载为主变成下载和上传并重。YouTube、MySpace等网站都可以看做是UGC的成功案例,社区网络、视频分享、博客和播客(视频分享)等都是UGC的主要应用形式。 UGC正在成为互联...
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Multiple aggregations of the same column using pandas GroupBy.agg()

...ive syntax for specifying named aggregations. See the 0.25 docs section on Enhancements as well as relevant GitHub issues GH18366 and GH26512. From the documentation, To support column-specific aggregation with control over the output column names, pandas accepts the special syntax in GroupB...
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StatusbarTools 扩展 - 状态栏自定义工具 · App Inventor 2 中文网

... StatusbarTools 扩展 扩展下载 功能概述 属性 方法 使用示例 基本颜色设置 透明状态栏 全屏模式 动态颜色切换 应用场景 ...