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What are free monads?
...answer is obviously great. But, it is a bit technical. Here is a perhaps more accessible explanation.
Free monads are just a general way of turning functors into monads. That is, given any functor f Free f is a monad. This would not be very useful, except you get a pair of functions
liftFree ...
How to determine if a decimal/double is an integer?
...s-calculations. Since the question is about double values, below will be a more floating-point calculation proof answer:
Math.Abs(d % 1) <= (Double.Epsilon * 100)
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Why does C# forbid generic attribute types?
...e annotated C# 3 spec should arrive tomorrow... I'll see if that gives any more information. Anyway, it's definitely a language decision rather than a runtime one.
EDIT: Answer from Eric Lippert (paraphrased): no particular reason, except to avoid complexity in both the language and compiler for a ...
How do I concatenate two lists in Python?
... it does change list3. However, if that isn't a problem, it's simpler more readable to add the two lists instead of creating a new one.
– rickcnagy
Feb 20 '14 at 18:55
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Are braces necessary in one-line statements in JavaScript?
...atements could be harmful in JavaScript. I don't remember the reasoning anymore and a Google search did not help much.
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Count the items from a IEnumerable without iterating?
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What is the leading LINQ for JavaScript library? [closed]
... finds this question actually wants RX/observables (there are already much more useful implementations of that in knockout, angularjs, etc.) and the answer itself doesn't even try to explain what the relevance is, and even if it was really the most appropriate choice, it's hardly "leading" - it has ...
What is the purpose of Looper and how to use it?
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Test whether a glob has any matches in bash
...expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effects.
UPDATE: Example usage requested.
if compgen -G "/tmp/someFiles*" &g...
Return a `struct` from a function in C
... @CarlNorum how large does a structure have to get that a copy costs more than malloc + free?
– josefx
Mar 11 '12 at 15:56
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