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What is the equivalent of MATLAB's repmat in NumPy
...better (official) NumPy for Matlab Users link - I'm afraid the mathesaurus one is quite out of date.
The numpy equivalent of repmat(a, m, n) is tile(a, (m, n)).
This works with multiple dimensions and gives a similar result to matlab. (Numpy gives a 3d output array as you would expect - matlab fo...
Shell command to sum integers, one per line?
...ng anything exceeding 2^31 (2147483647). See comments for more background. One suggestion is to use printf rather than print:
awk '{s+=$1} END {printf "%.0f", s}' mydatafile
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Python: One Try Multiple Except
In Python, is it possible to have multiple except statements for one try statement? Such as :
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How to use z-index in svg elements?
...0">
<!-- First draw the green circle -->
<circle id="one" fill="green" cx="100" cy="105" r="20" />
<!-- Then draw the orange circle over the current canvas -->
<circle id="two" fill="orange" cx="100" cy="95" r="20" />
<!-- Finally dr...
How to keep one variable constant with other one changing with row in excel
Lets say I have one cell A1, which I want to keep constant in a calculation. For example, I want to calculate a value like this:
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
...t is meant to represent your database, and thus, if your application uses one database, you'd want only one DbContext .
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How do I merge a specific commit from one branch into another in Git?
...t#Integrating-Contributed-Work
The other way to move introduced work from one branch to another is to cherry-pick it. A cherry-pick in Git is like a rebase for a single commit. It takes the patch that was introduced in a commit and tries to reapply it on the branch you’re currently on. This is us...
How to extract one column of a csv file
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The simplest way I was able to get this done was to just use csvtool. I had other use cases as well to use csvtool and it can handle the quotes or delimiters appropriately if they appear within the column data itself.
csvtool format '%(2)\n' input.csv
Replacing 2...
Why do we check up to the square root of a prime number to determine if it is prime?
...greater than sqrt(n) * sqrt(n) = n. So in any factorization of n, at least one of the factors must be smaller than the square root of n, and if we can't find any factors less than or equal to the square root, n must be a prime.
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Method Overloading for null argument
... all 3 version are applicable, so Java will have to find the most specific one.
Since Object is the super-type of char[], the array version is more specific than the Object-version. So if only those two methods exist, the char[] version will be chosen.
When both the char[] and Integer versions are...