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How to loop through all but the last item of a list?
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for x in y[:-1]
If y is a generator, then the above will not work.
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Turn Pandas Multi-Index into column
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197
The reset_index() is a pandas DataFrame method that will transfer index values into the DataFr...
Should I use a data.frame or a matrix?
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177
Part of the answer is contained already in your question: You use data frames if columns (vari...
Custom Python list sorting
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edited Feb 5 '15 at 17:33
Charlie
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Remove duplicated rows using dplyr
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139
Note: dplyr now contains the distinct function for this purpose.
Original answer below:
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Creating an instance of class
What's the difference between lines 1 , 2 , 3 , 4?
3 Answers
3
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Performance of foreach, array_map with lambda and array_map with static function
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FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug.
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Why is rbindlist “better” than rbind?
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rbindlist is an optimized version of do.call(rbind, list(...)), which is known for being slow ...
How to get the anchor from the URL using jQuery?
...se the .indexOf() and .substring(), like this:
var url = "www.aaa.com/task1/1.3.html#a_1";
var hash = url.substring(url.indexOf("#")+1);
You can give it a try here, if it may not have a # in it, do an if(url.indexOf("#") != -1) check like this:
var url = "www.aaa.com/task1/1.3.html#a_1", idx = u...