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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
Short example:
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Get nth character of a string in Swift programming language
How can I get the nth character of a string? I tried bracket( [] ) accessor with no luck.
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Calling virtual functions inside constructors
Suppose I have two C++ classes:
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Pandas percentage of total with groupby
This is obviously simple, but as a numpy newbe I'm getting stuck.
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Understanding the difference between Object.create() and new SomeFunction()
I recently stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction() , and when you would want to use one over the other.
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Algorithm to detect corners of paper sheet in photo
What is the best way to detect the corners of an invoice/receipt/sheet-of-paper in a photo? This is to be used for subsequent perspective correction, before OCR.
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Passing parameters to a Bash function
I am trying to search how to pass parameters in a Bash function, but what comes up is always how to pass parameter from the command line.
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Django: How to manage development and production settings?
I have been developing a basic app. Now at the deployment stage it has become clear I have need for both a local settings and production settings.
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
The limit of int is from -2147483648 to 2147483647.
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How do you get the list of targets in a makefile?
I've used rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg
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