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Checking from shell script if a directory contains files
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26 Answers
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What is the email subject length limit?
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See RFC 2822, section 2.1.1 to start.
There are two limits that this
standard places on the number of
characters in a line. Each line of
characters MUST be no more than 998
characters, and SHOULD be no more than
78 char...
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...m it where the length of the string in a particular column is greater than 2.
6 Answers
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Can you delete multiple branches in one command with Git?
...an up my local repository, which has a ton of old branches: for example 3.2 , 3.2.1 , 3.2.2 , etc.
29 Answers
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做了个购物清单App后,我才真正搞懂App Inventor 2的变量 - App应用开发 - ...
做了个购物清单App后,我才真正搞懂App Inventor 2的变量
上个月教侄子学App开发,他一脸困惑:"变量不就是装东西的盒子吗?为什么我的App总是显示旧数据?"
这让我想起自己刚接触App Inventor 2时的困惑——全局变量、...
Getting output of system() calls in Ruby
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edited May 23 '17 at 11:47
Community♦
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answered Oct 14 '09 at 0:06
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Numpy index slice without losing dimension information
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edited Nov 23 '17 at 5:53
Atcold
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Using try vs if in python
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243
You often hear that Python encourages EAFP style ("it's easier to ask for forgiveness than per...
Limit File Search Scope in Sublime Text 2
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12 Answers
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How can I multiply all items in a list together with Python?
...hat takes
a list of numbers and multiplies them together. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
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