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Python multiprocessing pool.map for multiple arguments
...rmap method, which accepts a sequence of argument tuples. It then automatically unpacks the arguments from each tuple and passes them to the given function:
import multiprocessing
from itertools import product
def merge_names(a, b):
return '{} & {}'.format(a, b)
if __name__ == '__main__':...
Check if a value is in an array (C#)
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@Sami: Linq uses loops internally.
– user195488
Nov 6 '12 at 19:22
2
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How to perform runtime type checking in Dart?
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The instanceof-operator is called is in Dart. The spec isn't exactly friendly to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/.
Here's an example:
class Foo { }
main() {
var foo = ne...
Python error “ImportError: No module named”
Python is installed in a local directory.
28 Answers
28
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Convert JS date time to MySQL datetime
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How do you call a function like this with a variable?
– Catfish
Mar 12 '13 at 4:50
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What's the easy way to auto create non existing dir in ansible
... Should note that you may want to add recurse=yes to the file call to get mkdir -p type behavior
– Mitch
Feb 10 '16 at 19:45
1
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Method call if not null in C#
...oving the race-condition, i.e. you don't need a temporary variable. So normally you'd need:
var handler = SomeEvent;
if(handler != null) handler(this, EventArgs.Empty);
but with:
public static void SafeInvoke(this EventHandler handler, object sender) {
if(handler != null) handler(sender, Eve...
Break or return from Java 8 stream forEach?
... This works if finding an object was the goal, but that goal is usually served by a return statement from a findSomething method. break is more usually associated with a take while-kind of operation.
– Marko Topolnik
Apr 26 '14 at 19:53
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Function passed as template argument
...;< "Result is " << temp << std::endl;
}
which can now be called as either:
doOperation(add2);
doOperation(add3());
See it live
The problem with this is that if it makes it tricky for the compiler to inline the call to add2, since all the compiler knows is that a function pointer...
How To: Best way to draw table in console app (C#)
..., until you start working with non-unicode characters. Then the width gets all messed up.
– Thom
Jul 6 at 9:54
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