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How to count items in a Go map?
...ed from the now-retired SO documentation:
m := map[string]int{}
len(m) // 0
m["foo"] = 1
len(m) // 1
If a variable points to a nil map, then len returns 0.
var m map[string]int
len(m) // 0
Excerpted from Maps - Counting map elements. The original author was Simone Carletti. Attribution det...
Which, if any, C++ compilers do tail-recursion optimization?
...s such as:
int bar(int, int);
int foo(int n, int acc) {
return (n == 0) ? acc : bar(n - 1, acc + 2);
}
int bar(int n, int acc) {
return (n == 0) ? acc : foo(n - 1, acc + 1);
}
Letting the compiler do the optimisation is straightforward: Just switch on optimisation for speed:
For MSVC,...
Matplotlib plots: removing axis, legends and white spaces
...
406
I think that the command axis('off') takes care of one of the problems more succinctly than cha...
Why use softmax as opposed to standard normalization?
...
170
There is one nice attribute of Softmax as compared with standard normalisation.
It react to lo...
How to iterate object in JavaScript? [duplicate]
... Neuron
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answered Mar 19 '13 at 10:14
kavinkavin
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Cancellation token in Task constructor: why?
...
Eliahu Aaron
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answered Sep 14 '10 at 21:38
Max GalkinMax Galkin
...
What is the Bash equivalent of Python's pass statement
...
answered Mar 10 '10 at 23:55
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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...
Add a new element to an array without specifying the index in Bash
...
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edited Dec 23 '09 at 9:18
answered Dec 23 '09 at 9:02
...
onTouchListener warning: onTouch should call View#performClick when a click is detected
...
SeckoSecko
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...
Append a NumPy array to a NumPy array
...
answered Mar 19 '12 at 18:01
endolithendolith
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...