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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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Get the generated SQL statement from a SqlCommand object?
I have the following code:
23 Answers
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Difference between attr_accessor and attr_accessible
In Rails, what is the difference between attr_accessor and attr_accessible ? From my understanding, using attr_accessor is used to create getter and setter methods for that variable, so that we can access the variable like Object.variable or Object.variable = some_value .
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How to fix Python indentation
I have some Python code that have inconsistent indentation. There is a lot of mixture of tabs and spaces to make the matter even worse, and even space indentation is not preserved.
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Using i and j as variables in Matlab
i and j are very popular variable names (see e.g., this question and this one ).
9 Answers
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What are the differences between “=” and “
What are the differences between the assignment operators = and <- in R?
7 Answers
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How to open every file in a folder?
I have a python script parse.py, which in the script open a file, say file1, and then do something maybe print out the total number of characters.
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Best way to track onchange as-you-type in input type=“text”?
In my experience, input type="text" onchange event usually occurs only after you leave ( blur ) the control.
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Can I apply the required attribute to fields in HTML5?
How can I check if a user has selected something from a <select> field in HTML5?
13 Answers
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In-Place Radix Sort
This is a long text. Please bear with me. Boiled down, the question is: Is there a workable in-place radix sort algorithm ?
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