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How to remove convexity defects in a Sudoku square?
I was doing a fun project: Solving a Sudoku from an input image using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
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Returning JSON from a PHP Script
I want to return JSON from a PHP script.
18 Answers
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
I have a Numpy array consisting of a list of lists, representing a two-dimensional array with row labels and column names as shown below:
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Generate a random point within a circle (uniformly)
I need to generate a uniformly random point within a circle of radius R .
21 Answers
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IsNothing versus Is Nothing
Does anyone here use VB.NET and have a strong preference for or against using IsNothing as opposed to Is Nothing (for example, If IsNothing(anObject) or If anObject Is Nothing... )? If so, why?
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Using Java 8's Optional with Stream::flatMap
The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
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When should I use nil and NULL in Objective-C?
This is sample code:
16 Answers
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Intelligent way of removing items from a List while enumerating in C#
I have the classic case of trying to remove an item from a collection while enumerating it in a loop:
9 Answers
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How do you organize your version control repository?
... How would you organize a Subversion repository for in house software projects?
Next, the actual question:
My team is restructuring our repository and I'm looking for hints on how to organize it. (SVN in this case).
Here's what we came up with. We have one repository, multiple projects and multiple...
In SQL, what's the difference between count(column) and count(*)?
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