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App Inventor 2 向心力实验App - 探究向心力F与角速度ω、半径r、质量m的关...
...置传感器，实现低成本、高精度的向心力探究实验。
1.1 与 phyphox 的区别
phyphox（德国亚琛工业大学开发）可以测量向心加速度 a = r · ω²，但存在以下局限：
对比项phyphox 离心加速度实验本App（向心力实验）测量物理量向...
Can scripts be inserted with innerHTML?
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21 Answers
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Create Pandas DataFrame from a string
... from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
1;4.4;99
2;4.5;200
3;4.7;65
4;3.2;140
""")
df = pd.read_csv(TESTDATA, sep=";")
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JavaScript open in a new window, not tab
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15 Answers
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django 1.5 - How to use variables inside static tag
...tic files references in my project to the new {% static %} tag that django 1.5 introduced, but I'm having a problem, in some places I use variables to get the content. With the new tag I can't, is there any way to solve this?
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How to create a UIView bounce animation?
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With iOS7 and UIKit Dynamics, there is no longer any need to use CAKeyframeAnimations or UIVie...
Code Wrap IntelliJ?
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219
I think "soft wrap" might be what you're after. It's read-only, i.e. does not change the charac...
How to make IPython notebook matplotlib plot inline
...am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
10 Answers
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Transposing a 2D-array in JavaScript
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210
array[0].map((_, colIndex) => array.map(row => row[colIndex]));
map calls a provided...
How do I parse a string to a float or int?
...222" to its corresponding float value, 545.2222 ? Or parse the string "31" to an integer, 31 ?
28 Answers
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