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传感器组件 · App Inventor 2 中文网
... 加速度传感器
不可见组件，可检测振动并使用 SI 单位(m/s2)在三个维度上近似测量加速度。其组成部分是：
X分量：当手机静止在平坦表面上时为 0，当手机倾斜时为正向右（即左侧抬起），当手机倾斜到右侧时为负向左...
How to find list intersection?
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If order is not important and you don't need to worry about duplim>ca m>tes then you m>ca m>n use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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Google Chrome display JSON AJAX response as tree and not as a plain text
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To see a tree view in recent versions of Chrome:
Navigate to Developer Tools > Network > the given response > Preview
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ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...式的库方便了我们的工作。
1、 m>CA m>TLRegExp类
声明：
template class m>CA m>tlRegExp;
初始化：
与微软的GRETA类库（微软研究院推出的另一个正则表达式类库）不同，m>CA m>TLRegExp并没有在构造函数中提供初始化匹配字符串的方法，而是让使...
Relative imports in Python 3
I want to import a function from another file in the same directory.
13 Answers
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How to round the corners of a button
I have a rectangle image (jpg) and want to use it to fill the background of a button with rounded corner in xcode.
15 Answe...
How to download an entire directory and subdirectories using wget?
I am trying to download the files for a project using wget , as the SVN server for that project isn't running anymore and I am only able to access the files through a browser. The base URLs for all the files is the same like
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m>Ca m>lculate age given the birth date in the format YYYYMMDD
How m>ca m>n I m>ca m>lculate an age in years, given a birth date of format YYYYMMDD? Is it possible using the Date() function?
40 ...
CSS image resize percentage of itself?
I am trying to resize an img with a percentage of itself. For example, I just want to shrink the image by half by resizing it to 50%. But applying width: 50%; will resize the image to be 50% of the container element (the parent element which maybe the <body> for example).
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How to un-submodule a Git submodule?
What are the best practices for un-submoduling a Git submodule, bringing all the code back into the core repository?
12 Ans...