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How to sort a dataFrame in python pandas by two or more columns?
... a , b and c , I want to sort the dataframe by column b in ascending order, and by column c in descending order, how do I do this?
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What is the difference between exit() and abort()?
...or atexit says: "Functions [registered using atexit] are called in reverse order; no arguments are passed."
– strager
Dec 29 '08 at 3:55
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Encrypting & Decrypting a String in C# [duplicate]
...repended to the cipher text upon encryption and extracted from it again in order to perform the decryption. The result of this is that encrypting the exact same plaintext with the exact same password gives and entirely different ciphertext result each time.
The "strength" of using this comes from ...
What's the difference between a file descriptor and file pointer?
...ngst other things such as end-of-file and error indicator, stream position etc.
So using fopen() gives you a certain amount of abstraction compared to open(). In general you should be using fopen() since that is more portable and you can use all the other standard C functions that uses the FILE str...
Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?
I'm trying to compile my excel addin using C# 4.0, and started to get this problem when building my project in Visual Studio. It's important to tell you that I haven't had this problem before. What could cause this to happen?
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Linq 多字段排序，二次排序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Linq 多字段排序，二次排序Linq：ordered = source.OrderByDescending( t => t.f1 ).ThenBy( t => t.f2 );类似SQL：select * from t1 order by f1 d...Linq：ordered = source.OrderByDescending( t => t.f1 ).ThenBy( t => t.f2 );
类似SQL：select * from t1 order by f1 desc ,f2 asc
这种写...
Bubble Sort Homework
...he idea is this: as soon as we find two elements that are not in the right order, we set sorted back to False. sorted will remain True only if there were no elements in the wrong order.
sorted = False # We haven't started sorting yet
while not sorted:
sorted = True # Assume the list is now s...
Reorder bars in geom_bar ggplot2
I am trying to make a bar-plot where the plot is ordered from the miRNA with the highest value to the miRNA with the lowest. Why does my code not work?
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How to tell a Mockito mock object to return something different the next time it is called?
...at your continuous integration environment will run the tests in the other order. Or it may be that you'll want to run test2 by itself, without running test1 first, in which case it will fail. Unit tests must always be independent of each other; and there should never be a dependency between indiv...
Remove duplicates from an array of objects in JavaScript
...orks, it does not take care of a sorted array since fetching keys is never order guaranteed. So, you end up sorting it again. Now, suppose the array was not sorted but yet its order is important, there is no way you can make sure that order stays intact
– Deepak G M
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