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boost::flat_map and its performance compared to map and unordered_map
...akes me want to warn the reader about the above results (they were made on Win7): your mileage may vary.
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What encoding/code page is cmd.exe using?
...but I do not know since when these code pages are selectable. (It is under Win7.)
– Adam L. S.
Dec 26 '14 at 14:08
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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:
[hide][/hide]
资源地址:https://dri...
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...
Ship an application with a database
...to create a database externally, then place it in the assets folder of the project and then copy the entire database from there. This is much quicker if the database has a lot of tables and other components. Upgrades are triggered by changing the database version number in the res/values/strings.x...
汇编语言超浓缩教程(汇编入门必备) - C/C++ - 清泛网 - 专注C/C++及内核技术
...不是汇编的强项,大家不妨玩玩DEBUG,有时CRACK出一个小软件比完成一个程序更有成就感(就像学电脑先玩游戏一样)。某些高深的指令事实上只对有经验的汇编程序员有用,对我们而言,太过高深了。为了使学习汇编语言有个...
How to make an OpenGL rendering context with transparent background?
...g: For me the above method rendered all of the background with the default Win7 blur and fake light reflections. To get rid of the blur and get a completeley transparent window, I set the bb.hRgnBlur parameter to CreateRectRgn(0, 0, 1, 1); and bb.dwFlags to DWM_BB_ENABLE | DWM_BB_BLURREGION;. This w...
Simple C example of doing an HTTP POST and consuming the response
...Handle added.
Added Host header.
Added linux / windows support, tested (XP,WIN7).
WARNING: ERROR : "segmentation fault" if no host,path or port as argument.
#include <stdio.h> /* printf, sprintf */
#include <stdlib.h> /* exit, atoi, malloc, free */
#include <unistd.h> /* read, wri...
内存管理内幕:动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...好处在于它有很多其他工具,可以处理编写多平台服务器软件所有方面的事情。要深入了解 GNU obstack 和 Apache 的池式内存实现,请参阅 参考资料部分中指向这些实现的文档的链接。
下面的假想代码列表展示了如何使用 obstack:
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Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...等等。至此,一个RTD Server的生命周期就结束了。
一 C#版实例
来源:http://www.cnblogs.com/makemelaugh/archive/2008/11/06/1327960.html
创建一个项目ExcelRTD,添加Microsoft.Office.Interop.Excel引用。创建一个类MarketData.cs,这个类继承IRtdServer接口...