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Selecting/excluding sets of columns in pandas [duplicate]
I would like to create views or dataframes from an existing dataframe based on column selections.
9 Answers
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How to create an empty file at the command line in Windows?
How to create an empty file at the DOS/Windows command-line?
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半年报披露 天涯社区被资本方看空 - 资讯 - 清泛网 - 专注C/C++及内核技术
半年报披露 天涯社区被资本方看空登陆新三板才一个多月，天涯社区就因未能按有关规定坡露2015年半年度报告，自2015年9月1日起按照有关规定暂停股票转让。但9月1日，天涯社区就披露了半年报告。这家受到高度关注的老牌互...
How to elegantly ignore some return values of a MATLAB function?
Is it possible to get the 'nth' return value from a function without having to create dummy variables for all n-1 return values before it?
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Datetime - Get next tuesday
How can I get the date of next Tuesday?
10 Answers
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Defining custom attrs
I need to implement my own attributes like in com.android.R.attr
5 Answers
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
I want to shuffle the lines of a text file randomly and create a new file. The file may have several thousands of lines.
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Is there a way to specify how many characters of a string to print out using printf()?
Is there a way to specify how many characters of a string to print out (similar to decimal places in int s)?
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Boolean Field in Oracle
Yesterday I wanted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches
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How do I declare and initialize an array in Java?
How do I declare and initialize an array in Java?
28 Answers
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