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Which is better, return value or out parameter?
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Converting bytes to megabytes
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116
Traditionally by megabyte we mean your second option -- 1 megabyte = 220 bytes. But it is not ...
Pairwise crossproduct in Python [duplicate]
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153
You're looking for itertools.product if you're on (at least) Python 2.6.
>>> import ...
How to find common elements from multiple vectors?
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answered Sep 12 '10 at 17:00
bnaulbnaul
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How to convert list to string [duplicate]
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1399
By using ''.join
list1 = ['1', '2', '3']
str1 = ''.join(list1)
Or if the list is of intege...
Freezing Row 1 and Column A at the same time
I want to "freeze" Row 1 and Column A simultaneously in Excel 2010.
1 Answer
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Convert string to variable name in python [duplicate]
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127
x='buffalo'
exec("%s = %d" % (x,2))
After that you can check it by:
print buffalo
As ...
App Inventor 2 手机蓝牙及语音控制 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
来源：http://www.zsqz.com/chuangke/13.htm【学习目标】
1.掌握蓝牙客户端或服务端组件的使用；
2.学会编写手机蓝牙APP，并向Arduino发送控制指令；
3.学会编写手机语音控制程序，并能通过语音控制Arduino等设备。 【...
我有一个梦想 · App Inventor 2 中文网
...传一张图片和一段公开演讲的 mp3。在设计器中放入 按钮1 、标签1 、标签2 和 音频播放器1。把 标签1 写成“我有一个梦想”，标签2 写成“点图片听演讲”；按钮1 的 图像 设为图片、Text 留空；音频播放器1 的 Source 设为 mp3。
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