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How can I profile Python code line-by-line?
I've been using cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer).
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Sort points in clockwise order?
Given an array of x,y points, how do I sort the points of this array in clockwise order (around their overall average center point)? My goal is to pass the points to a line-creation function to end up with something looking rather "solid", as convex as possible with no lines intersecting.
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Spring RestTemplate - how to enable full debugging/logging of requests/responses?
I have been using the Spring RestTemplate for a while and I consistently hit a wall when I'am trying to debug it's requests and responses. I'm basically looking to see the same things as I see when I use curl with the "verbose" option turned on. For example :
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Extract first item of each sublist
I am wondering what is the best way to extract the first item of each sublist in a list of lists and append it to a new list. So if I have:
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Compare double to zero using epsilon
Today, I was looking through some C++ code (written by somebody else) and found this section:
11 Answers
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Truncate Two decimal places without rounding
Lets say I have a value of 3.4679 and want 3.46, how can I truncate to two decimal places that without rounding up?
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In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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Finding duplicates in O(n) time and O(1) space
Input: Given an array of n elements which contains elements from 0 to n-1, with any of these numbers appearing any number of times.
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How do I schedule jobs in Jenkins?
I added a new job in Jenkins, which I want to schedule periodically.
10 Answers
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Numpy first occurrence of value greater than existing value
I have a 1D array in numpy and I want to find the position of the index where a value exceeds the value in numpy array.
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