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How to generate a random number in C++?
I'm trying to make a game with dice, and I need to have random numbers in it (to simulate the sides of the die. I know how to make it between 1 and 6). Using
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Assign output of a program to a variable using a MS batch file
I need to assign the output of a program to a variable using a MS batch file.
9 Answers
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Difference Between One-to-Many, Many-to-One and Many-to-Many?
Ok so this is probably a trivial question but I'm having trouble visualizing and understanding the differences and when to use each. I'm also a little unclear as to how concepts like uni-directional and bi-directional mappings affect the one-to-many/many-to-many relationships. I'm using Hibernate ri...
How can I disable logging while running unit tests in Python Django?
I am using a simple unit test based test runner to test my Django application.
15 Answers
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Immutable vs Mutable types
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What? Floats are immutable? But can't I do
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut" x?
Well you agree strings are immutable right? But you can do the same thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it changes by changing what the ...
How do JavaScript closures work?
How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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How to get all subsets of a set? (powerset)
...ols page has exactly a powerset recipe for this:
from itertools import chain, combinations
def powerset(iterable):
"powerset([1,2,3]) --> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3)"
s = list(iterable)
return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
Output:...
Swift to Objective-C header not created in Xcode 6
I have recently been working to add Swift to an existing project, to get to try it out in a real-world fashion.
31 Answers
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What is array to pointer decay?
What is array to pointer decay? Is there any relation to array pointers?
9 Answers
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strdup() - what does it do in C?
What is the purpose of the strdup() function in C?
10 Answers
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