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Counting the number of True Booleans in a Python List
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215
True is equal to 1.
>>> sum([True, True, False, False, False, True])
3
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svn: replace trunk with branch
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118
Use svn move to move the contents of the old trunk somewhere else and rename the branch to tru...
What is a “callback” in C and how are they implemented?
...RandomValue(void)
{
return rand();
}
int main(void)
{
int myarray[10];
populate_array(myarray, 10, getNextRandomValue);
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}
Here, the populate_array function takes a function pointer as its third parameter, and calls it to get the values to populate the array with. We've written...
What is the Simplest Way to Reverse an ArrayList?
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10 Answers
10
Active
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std::function and std::bind: what are they, and when should they be used?
...ithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ .
4 Answers
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What is the use of the ArraySegment class?
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edited Oct 1 '19 at 22:03
answered Oct 26 '11 at 18:15
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Secondary axis with twinx(): how to add to legend?
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391
You can easily add a second legend by adding the line:
ax2.legend(loc=0)
You'll get this:
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