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Return array in a function
I have an array int arr[5] that is passed to a function fillarr(int arr[]) :
19 Answers
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pandas dataframe columns scaling with sklearn
I have a pandas dataframe with mixed type columns, and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works:
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Do zombies exist … in .NET?
I was having a discussion with a teammate about locking in .NET. He's a really bright guy with an extensive background in both lower-level and higher-level programming, but his experience with lower level programming far exceeds mine. Anyway, He argued that .NET locking should be avoided on critic...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
This may be a simple question, but I can not figure out how to do this. Lets say that I have two variables as follows.
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What is the correct syntax for 'else if'?
I'm a new Python programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out.
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Difference between del, remove and pop on lists
Is there any difference between the above three methods to remove an element from a list?
11 Answers
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Architecture for merging multiple user accounts together
Okay, I got a website where you can register yourself and login. You can also login with your facebook, twitter or linkedin account.
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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
newCachedThreadPool() versus newFixedThreadPool()
8 Answers
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Sum a list of numbers in Python
I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third,
(3+4)/2 , and so on. How can I do that?
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C dynamically growing array
I have a program that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes...
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