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difference between variables inside and outside of __init__()
Is there any difference at all between these classes besides the name?
10 Answers
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Comparing Haskell's Snap and Yesod web frameworks
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Full disclosure: I'm one of the lead developers of Snap.
First of all, let's talk about what Snap is. Right now the Snap team maintains five different projects on hackage: snap-core, snap-server, heist, snap, and xmlhtml. snap-server is a web server that exposes the API defined by snap-co...
Difference between HashMap, LinkedHashMap and TreeMap
...shMap and TreeMap in Java?
I don't see any difference in the output as all the three has keySet and values . What are Hashtable s?
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Function to calculate distance between two coordinates
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What you're using is called the haversine formula, which calculates the distance between two points on a sphere as the crow flies. The Google Maps link you provided shows the distance as 2.2 km because it's not a straight line.
Wolphram Alpha is...
Format date and time in a Windows batch script
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All this can be done in just 2 lines using ordinary string replacement: stackoverflow.com/a/23558738/1879699
– Andreas
Apr 22 '16 at 9:34
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What is a good reason to use SQL views?
...QL Server 2008 bible and I am covering the views section. But the author really doesn't explain the purpose of views. What is a good use for views? Should I use them in my website and what are the benefits of them?
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How to set a Timer in Java?
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@ErnestasGruodis The core APIs list the constructor as public: docs.oracle.com/javase/7/docs/api/java/util/Timer.html#Timer() You might have a different Timer class in your classpath - try java.util.Timer as the class.
– andrewmu...
Multiply TimeSpan in .NET
...will arrive in .NET Standard 2.1:
https://docs.microsoft.com/en-us/dotnet/api/system.timespan.op_multiply?view=netstandard-2.1
var result = 3.0 * TimeSpan.FromSeconds(3);
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CMake: Print out all accessible variables in a script
I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts.
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How does python numpy.where() work?
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How do they achieve internally that you are able to pass something like x > 5 into a method?
The short answer is that they don't.
Any sort of logical operation on a numpy array returns a boolean array. (i.e. __gt__, __lt__, etc all return boolea...