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What does -1 mean in numpy reshape?
A numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
This is a syntax question. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax.
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How do you know what to test when writing unit tests? [closed]
Using C#, I need a class called User that has a username, password, active flag, first name, last name, full name, etc.
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Counting the occurrences / frequency of array elements
In Javascript, I'm trying to take an initial array of number values and count the elements inside it. Ideally, the result would be two new arrays, the first specifying each unique element, and the second containing the number of times each element occurs. However, I'm open to suggestions on the form...
Which exception should I raise on bad/illegal argument combinations in Python?
I was wondering about the best practices for indicating invalid argument combinations in Python. I've come across a few situations where you have a function like so:
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Constructors in Go
I have a struct and I would like it to be initialised with some sensible default values.
11 Answers
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Detecting programming language from a snippet
What would be the best way to detect what programming language is used in a snippet of code?
18 Answers
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How do you rename a Git tag?
Today I was looking through the logs for a project and realized that I fat fingered a tag name some time ago. Is there some way to rename the tag? Google hasn't turned up anything useful.
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Why does 'continue' behave like 'break' in a Foreach-Object?
If I do the following in a PowerShell script:
4 Answers
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Draw text in OpenGL ES
I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to render text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also.
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