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界面布局组件 · App Inventor 2 中文网
...滚动条布局
水平布局
使用水平布局组件来展示一组从左到右排列的组件,你可以在其中从左到右放置应该显示的组件。如果你想让组件显示在另一个上面,使用 垂直布局 代替。
在水平布局中,组件沿水平轴排列,垂直居...
Check if at least two out of three booleans are true
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Just for the sake of using XOR to answer a relatively straight-forward problem...
return a ^ b ? c : a
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普通码农和CTO之间的差距,就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...机会看到这个标题的文章不妨看一下评论。各种“喷子”从“性能”、“道德”、“微软很坏”、“PHP是最好的”等各种无厘头开喷。这似乎是程序员们的通病,对于一个自己没有好感的东西(比如:国产或者微软,这两个最容...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!
...在线安卓开发环境,利用拖拽式的方式实现代码块堆叠,从而完成相应的逻辑。上手很容易,但是由于代码块提供的功能有限,使用比较单一,在开发上有很大的局限性,但是它提供了拓展Extension特性,开放了源码,使得开发者...
error C2664: “std::list::list(const std::allocator &)”: 不能将参数 1...
...or C2664: “std::list::list(const std::allocator &)”: 不能将参数 1 从 “std::vector”转换为“const std::allocator &”错误日志:error C2664: std::list<_Ty>::list(const std::allocator<_Ty> &): 不能将参数 1 从std::vector<_Ty>转换为const std::...错误日志:
error C26...
How to get memory available or used in C#
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One note. In C# ^ is bitwise XOR, not power. So just use proc.PrivateMemorySize64 / (1024*1024), or proc.PrivateMemorySize64 / (1 << 20)
– Сергей Рыбаков
May 18 at 6:15
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Need a good hex editor for Linux [closed]
...y ~10 MegaBytes while opened multiple > ~8GB files.
Could operate thru XOR encryption.
Written with C++/wxWidgets GUI libs and can be used with other OSes such as Mac OS, Windows as native application.
You can copy/edit your Disks, HDD Sectors with it.( Usefull for rescue files/partitions by han...
从 svndata 恢复svn服务器仓库 - 更多技术 - 清泛网 - 专注C/C++及内核技术
从 svndata 恢复svn服务器仓库svndata_restore_svnserver服务器端备份了svndata,然后需要在一台新机器上还原svn仓库,步骤如下:1、确认新机器已经安装svnserverapt-get install subversion2、从svndata目录启动svn服务程序svnserve 服务器端备份了sv...
C# int to byte[]
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The array initializer and the xor (^) and & 0xFF bits are unnecessary.
– dtb
Aug 23 '09 at 16:42
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Possible to do a MySQL foreign key to one of two possible tables?
...oach with "CONSTRAINT CHECK". But it can be improved if we change "OR" to "XOR". That way we insure that only one column from set is NOT NULL
– alex_b
Aug 19 '15 at 14:18
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