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Remove duplicated rows
I have read a CSV file into an R data.frame. Some of the rows have the same element in one of the columns. I would like to remove rows that are duplicates in that column. For example:
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What's the name for hyphen-separated case?
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How do you clear the focus in javascript?
I know this shouldn't be that hard, but I couldn't find the answer on Google.
7 Answers
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How to replace multiple strings in a file using PowerShell
... file. I want to replace multiple instances of strings within this file, and I tried using PowerShell to do the job.
5 Answ...
When to use nested classes and classes nested in modules?
I'm pretty familiar with when to use subclasses and modules, but more recently I've been seeing nested classes like this:
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Show just the current branch in Git
I tried looking for a special Git command for this, but I couldn't find one. Is there anything shorter or faster than the following?
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PHP cURL not working - WAMP on Windows 7 64 bit
I got my WAMP installed on my windows 7 64bit. cURL is not working, but still I got it enabled from the WAMP tray.
14 Ans...
Access to the path is denied
I know this question was asked many times here, but I can't find a solution to my problem.
I'm trying to save image to the folder in .net c# but get this exception:
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Testing whether a value is odd or even
I decided to create simple isEven and isOdd function with a very simple algorithm:
22 Answers
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
I have a dataframe with repeat values in column A. I want to drop duplicates, keeping the row with the highest value in column B.
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