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【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...系翻译官方英文文章，侵删。文章内容质量较高，不过排版较乱（手机版排版不好，请使用PC浏览器查看），凑合着看吧~
文章转载自：https://mc.dfrobot.com.cn/thread-316532-1-1.html
文章aia源码如下：
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图表组件 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...tx-/xps_cpus配置映射关系。
内核优化
由于目前的linux发行版本依然存在很多TCP方面的性能问题， 因此优化内核是比较直接且有效的方式。
但是需要对内核上游源码持续跟踪，关注bug和新特性，需要长期维护， 并且未来新版本...
CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术
...说明：
大家很容易的可以看出这是情境（一）的加强版，适用于更广泛的环境。其实情境（一）中也已经做到了把火狐与IE游览器区分开来了，现在我们要做的是把火狐从其它游览器中再次识别出来。大家仔细看下代码，大家...
How to upload files to server using JSP/Servlet?
...ces have failed hard in this, such as roseindia.net. See also uploading of pdf file. You should rather use a real library which is used (and implicitly tested!) by millions of users for years. Such a library has proven its robustness.
When you're already on Servlet 3.0 or newer, use native API
If ...
Convert light frequency to RGB?
... color component transfer function is taken from http://www.color.org/srgb.pdf, which
* follows the International Electrotechnical Commission standard IEC 61966-2-1 "Multimedia systems and equipment -
* Colour measurement and management - Part 2-1: Colour management - Default RGB colour space - sR...
Various ways to remove local Git changes
...et: https://services.github.com/on-demand/downloads/github-git-cheat-sheet.pdf
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Is “inline” without “static” or “extern” ever useful in C99?
...se Google to find links: open-std.org/jtc1/sc22/wg14/www/C99RationaleV5.10.pdf
– Sven Marnach
Jun 10 '11 at 23:27
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Why doesn't C++ have a garbage collector?
...-fledged one. Recommended reading if only I could put my hands back on the PDF file...
2. Resources Acquisition Is Initialization (RAII)
It's a common idiom in C++ that you will wrap the ownership of resources within an object to ensure that they are properly released. It's mostly used for memory ...
Error-Handling in Swift-Language
...ect construction with all its inherent problems. See stroustrup.com/except.pdf.
– Phil
Jun 13 '14 at 15:14
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