pythonic way to do something N times without an index variable?
Every day I love python more and more. Today, I was writing some code like: for i in xrange(N): do_something() I had to … Read more
for-loop
Java 8 forEach with index [duplicate]
This question already has answers here: Is there a concise way to iterate over a stream with indices in Java 8? (23 answers) … Read more
How can I make sense of the `else` clause of Python loops?
Many Python programmers are probably unaware that the syntax of while loops and for loops includes an optional else: clause: for val in … Read more
How to loop through all but the last item of a list?
I would like to loop through a list checking each item against the one following it. Is there a way I can loop … Read more
Null check in an enhanced for loop
What is the best way to guard against null in a for loop in Java? This seems ugly : if (someList != null) … Read more
Is there a performance difference between a for loop and a for-each loop?
What, if any, is the performance difference between the following two loops? for (Object o: objectArrayList) { o.DoSomething(); } and for (int i=0; … Read more
How to add leading zeros for for-loop in shell? [duplicate]
This question already has answers here: How to zero pad a sequence of integers in bash so that all have the same width? … Read more
Excel VBA – exit for loop
I would like to exit my for loop when a condition inside is met. How could I exit my for loop when the … Read more
Is there a technical reason to use > (
I almost never see a for loop like this: for (int i = 0; 5 != i; ++i) {} Is there a technical … Read more
How to efficiently remove all null elements from a ArrayList or String Array?
I try with a loop like that // ArrayList tourists for (Tourist t : tourists) { if (t != null) { t.setId(idForm); } … Read more