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传感器组件 · App Inventor 2 中文网
...直接传递从 Android 系统接收到的传感器值。然而，这些值无法补偿默认为横向模式的平板电脑，需要 MIT App Inventor 程序员进行补偿。但是，在手机等纵向模式设备中进行补偿会导致结果不正确。
我们现在检测横向模式平板电...
Pickle or json?
I need to save to disk a little dict object whose keys are of the type str and values are int s and then recover it . Something like this:
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Recursion or Iteration?
Is there a performance hit if we use a loop instead of recursion or vice versa in algorithms where both can serve the same purpose? Eg: Check if the given string is a palindrome.
I have seen many programmers using recursion as a means to show off when a simple iteration algorithm can fit the bill.
D...
CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...69AEFB6 jnz loc_769DAFAD ; 如果是 则返回“无法在设置线程模式后对其加以更改。”的错误
769AEFBC mov eax, [ebp+8]
769AEFBF mov ecx, [eax+0Ch]
769AEFC2 test ch, 10h ;判断标...
Describe the architecture you use for Java web applications? [closed]
Let's share Java based web application architectures!
10 Answers
10
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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...出来，如果此时把动画放在viewDidLoad中，可能会造成动画无法显示。当然也不建议把耗时的网络请求和动画效果都放在viewDidLoad中，界面的阻塞也会造成动画无法显示。可以尝试把动画放在viewDidAppear,viewWillAppear方法中。对于这类...
How do I watch a file for changes?
I have a log file being written by another process which I want to watch for changes. Each time a change occurs I'd like to read the new data in to do some processing on it.
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Convert absolute path into relative path given a current directory using Bash
Example:
23 Answers
23
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Where can I locate themes for VS2012
Okay, the lack of color on VS2012 is gross.
8 Answers
8
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DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
...菜单项 访客按钮
调用 DaffyMenu1.添加菜单项 访客按钮 "登录"
调用 DaffyMenu1.添加菜单项 访客按钮 "注册"
应用程序主菜单
当 显示主菜单按钮.被点击
// 文件操作
调用 DaffyMenu1.添加菜单项 主菜单 "新建"
...