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Map function in MATLAB?
...for numeric arrays:
>> y = arrayfun(@(x) x^2, 1:10)
y =
1 4 9 16 25 36 49 64 81 100
There are two other built-in functions that behave similarly: cellfun (which operates on elements of cell arrays) and structfun (which operates on each field of a structure)...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
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How to import module when module name has a '-' dash or hyphen in it?
...leNegationEliminationSingleNegationElimination
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Memory footprint of Haskell data types
... instance of these constructors and shares it amongst all uses.
A word is 4 bytes on a 32-bit machine, and 8 bytes on a 64-bit machine.
So e.g.
data Uno = Uno a
data Due = Due a b
an Uno takes 2 words, and a Due takes 3.
The Int type is defined as
data Int = I# Int#
now, Int# takes one wor...
How to make vi redraw screen?
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Chris Anderson
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answered Jul 13 '09 at 4:46
Alex MartelliAlex Martelli
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
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What is the PostgreSQL equivalent for ISNULL()
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460
SELECT CASE WHEN field IS NULL THEN 'Empty' ELSE field END AS field_alias
Or more idiomatic:...
sed: print only matching group
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Match the whole line, so add a .* at the beginning of your regex. This causes the entire line t...
Cleanest and most Pythonic way to get tomorrow's date?
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Unpacking, extended unpacking and nested extended unpacking
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Since the OP gave a long list examples, it's only fitting that you give a long list of explanations.
– John Y
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