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how does multiplication differ for NumPy Matrix vs Array classes?
The numpy docs recommend using array instead of matrix for working with matrices. However, unlike octave (which I was using till recently), * doesn't perform matrix multiplication, you need to use the function matrixmultipy(). I feel this makes the code very unreadable.
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Find a pair of elements from an array whose sum equals a given number
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How to find index of all occurrences of element in array?
I am trying to find the index of all the instances of an element, say, "Nano", in a JavaScript array.
15 Answers
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Why is using “for…in” for array iteration a bad idea?
I've been told not to use for...in with arrays in JavaScript. Why not?
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Where do I find the definition of size_t?
I see variables defined with this type but I don't know where it comes from, nor what is its purpose. Why not use int or unsigned int? (What about other "similar" types? Void_t, etc).
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How to set Oracle's Java as the default Java in Ubuntu?
How do I change the value of JAVA_HOME in Ubuntu to point to Oracle's Java?
8 Answers
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Remove Object from Array using JavaScript
How can I remove an object from an array?
I wish to remove the object that includes name Kristian from someArray . For example:
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How do I reset a sequence in Oracle?
In PostgreSQL , I can do something like this:
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What's the easiest way to install a missing Perl module?
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How to terminate a Python script
I am aware of the die() command in PHP which exits a script early.
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