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How can you encode a string to Base64 in JavaScript?
...o…
btoa() accepts a “string” where each character represents an 8-bit byte – if you pass a string containing characters that can’t be represented in 8 bits, it will probably break. This isn’t a problem if you’re actually treating the string as a byte array, but if you’re trying to ...
Checking images for similarity with OpenCV
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This is a huge topic, with answers from 3 lines of code to entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means ...
How to use filter, map, and reduce in Python 3
...ou can read about the changes in What's New In Python 3.0. You should read it thoroughly when you move from 2.x to 3.x since a lot has been changed.
The whole answer here are quotes from the documentation.
Views And Iterators Instead Of Lists
Some well-known APIs no longer return lists:
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map(...
Calling constructors in c++ without new
...ng a constructor of the format Thing(const char*).
The second one is a bit more complex. It essentially does the following
Create an object of type Thing using the constructor Thing(const char*)
Create an object of type Thing using the constructor Thing(const Thing&)
Call ~Thing() on the o...
How to get method parameter names?
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edited Sep 13 '19 at 15:08
Boris
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Empty set literal?
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No, there's no literal syntax for the empty set. You have to write set().
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Fatal error: “No Target Architecture” in Visual Studio
When I try to compile my c++ project using Visual Studio 2010 in either Win32 or x64 mode I get the following error:
11 Ans...
How to assert output with nosetest/unittest in python?
I'm writing tests for a function like next one:
11 Answers
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Is it possible to forward-declare a function in Python?
Is it possible to forward-declare a function in Python? I want to sort a list using my own cmp function before it is declared.
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...articular delving into what the generated code looked like, and the GetAwaiter() / BeginAwait() / EndAwait() calls.
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