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In Matplotlib, what does the argument mean in fig.add_subplot(111)?
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491
These are subplot grid parameters encoded as a single integer. For example, "111" means "1x1 gri...
Check folder size in Bash
...a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name?
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passing several arguments to FUN of lapply (and others *apply)
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122
If you look up the help page, one of the arguments to lapply is the mysterious .... When we lo...
How can I install Apache Ant on Mac OS X?
...tory in your path.
The commands that you would need, assuming apache-ant-1.8.1-bin.tar.gz (replace 1.8.1 with the actual version) were still in your Downloads directory, would be the following (explanatory comments included):
cd ~/Downloads # Let's get into your downloads folder.
tar -xvzf apache...
红外实验 - 把手机变成家电遥控器 · App Inventor 2 中文网
... 三、界面组件
四、分步搭代码块
第 1 步：先确认手机有没有红外发射器
第 2 步：发一个红外码
第 3 步：长按连发（音量键必备）
第 4 步：更省事的写法 —— 把按钮直接注册给扩展
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What is a good regular expression to match a URL? [duplicate]
...ure URL starts with HTTP/HTTPS:
https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
If you do not require HTTP protocol:
[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
To try this out see http://regex...
git rebase without changing commit timestamps
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150
Update June 2014: David Fraser mentions in the comments a solution also detailed in "Change ti...
How do Python's any and all functions work?
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381
You can roughly think of any and all as series of logical or and and operators, respectively.
a...
How can I ensure that a division of integers is always rounded up?
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UPDATE: This question was the subject of my blog in January 2013. Thanks for the great question!
Getting integer arithmetic correct is hard. As has been demonstrated amply thus far, the moment you try to do a "clever" trick, odds are good that you've made a mistake. And when a flaw ...
How do I access command line arguments in Python?
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Python tutorial explains it:
import sys
print(sys.argv)
More specifically, if you run pytho...