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Right way to reverse pandas.DataFrame?
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data.reindex(index=data.index[::-1])
or simply:
data.iloc[::-1]
will reverse your data frame, if you want to have a for loop which goes from down to up you may do:
for idx in reversed(data.index):
print(idx, data.loc[idx, ...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
I noticed that in Internet Explorer (but, unfortunately, not in the other browsers I tested), you can use some Unicode variable names. This made my day, and I was absolutely delighted that I could write fun Unicode-laden code like this:
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Why doesn't c++ have &&= or ||= for booleans?
Is there a "very bad thing" that can happen &&= and ||= were used as syntactic sugar for bool foo = foo && bar and bool foo = foo || bar ?
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Will using 'var' affect performance?
...nly necessary for anonymous types, that it is used nonetheless to make writing code 'quicker'/easier and 'just because'.
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Disable LESS-CSS Overwriting calc() [duplicate]
Right Now I'm trying to do this in CSS3 in my LESS code:
5 Answers
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What is a Context Free Grammar?
Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are?
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How do I show a Save As dialog in WPF?
I have a requirement in WPF/C# to click on a button, gather some data and then put it in a text file that the user can download to their machine. I can get the first half of this, but how do you prompt a user with a "Save As" dialog box? The file itself will be a simple text file.
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Does Python have a package/module management system?
... management system, similar to how Ruby has rubygems where you can do gem install packagename ?
13 Answers
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what is difference between success and .done() method of $.ajax
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In short, decoupling success callback function from the ajax function so later you can add your own handlers without modifying the original code (observer pattern).
Please find more detailed information from here: https://s...
Random row selection in Pandas dataframe
Is there a way to select random rows from a DataFrame in Pandas.
6 Answers
6
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