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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
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Okay, I finally have a real answer. I sort of worked it out on my own, but only after Lucian Wis...
How to merge two arrays in JavaScript and de-duplicate items
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MySQL: Insert record if not exists in table
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WAMP error: Forbidden You don't have permission to access /phpmyadmin/ on this server
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Can someone explain the traverse function in Haskell?
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traverse is the same as fmap, except that it also allows you to run effects while you're rebui...
Overloading Macro on Number of Arguments
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Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # expands to FOO2(World, !)
FOO(foo,bar,baz) # expands to FOO3(foo,bar,baz)
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Disable a group of tests in rspec?
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To disable a tree of specs using RSpec 3 you can:
before { skip }
# or
xdescribe
# or
xcont...
How to convert an array of strings to an array of floats in numpy?
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Well, if you're reading the data in as a list, just do np.array(map(float, list_of_strings)) (...
Javascript: formatting a rounded number to N decimals
...number, something like:
var s = number.toString();
if (s.indexOf('.') == -1) s += '.';
while (s.length < s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings...