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E731 do not assign a lambda expression, use a def
...irst form means that the name of the resulting
function object is specifically 'f' instead of the generic '<lambda>'.
This is more useful for tracebacks and string representations in
general. The use of the assignment statement eliminates the sole
benefit a lambda expression can offer ...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
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∞ isn't an ordinal number, of the sort that you can do arithmetic with. But it's a valid cardinal number when answering questions like "How many integers are there?". It's also, as in this case, perfectly valid as a limit
– Kevin Wright
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What's the idiomatic syntax for prepending to a short python list?
...f a list, python has to move all the other items one space forwards, lists can't "make space at the front". collections.deque (double ended queue) has support for "making space at the front" and is much faster in this case.
– fejfo
Mar 18 at 14:49
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How do browsers pause/change Javascript when tab or window is not active?
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Test One
I have written a test specifically for this purpose:
Frame Rate Distribution: setInterval vs requestAnimationFrame
Note: This test is quite CPU intensive. requestAnimationFrame is not supported by IE 9- and Opera 12-.
The test logs the actual time it t...
Why can't the C# constructor infer type?
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Is there a philosophical reason why the constructor can't support type inference?
No. When you have
new Foo(bar)
then we could identify all types called Foo in scope regardless of generic arity, and then do overload resolution on each using ...
What's the role of GetHashCode in the IEqualityComparer in .NET?
...n of the object. Since there is no limit to how much information an object can contain, certain hash codes are shared by multiple objects - so the hash code is not necessarily unique.
A dictionary is a really cool data structure that trades a higher memory footprint in return for (more or less) co...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...plement new and useful methods. Earlier I was using __autoload just to escape including multiple files on each page, but recently I have seen a tip on __autoload manual
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Generic type parameter naming convention for Java (with multiple chars)?
...er Naming Conventions
By convention, type parameter names are single, uppercase letters. This stands in sharp contrast to the variable naming conventions that you already know about, and with good reason: Without this convention, it would be difficult to tell the difference between a type variable a...
Why does the JVM still not support tail-call optimization?
Two years after does-the-jvm-prevent-tail-call-optimizations , there seems to be a prototype implementation and MLVM has listed the feature as "proto 80%" for some time now.
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How do CUDA blocks/warps/threads map onto CUDA cores?
...have been using CUDA for a few weeks, but I have some doubts about the allocation of blocks/warps/thread.
I am studying the architecture from a didactic point of view (university project), so reaching peak performance is not my concern.
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