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4 questions
0
votes
3
answers
30
views
PHP iterating through array - Can't reach top level values?
I try to search long and hard to find my answers and almost never ask questions if I can help it. but it's 5am and I've been working on this project for quite a few months now and I'm stuck.
THE ...
2
votes
1
answer
2k
views
Java foreach NoSuchElementException
The other days we found a rather awkward exception in the logs of our application in this piece of code:
final LIST currentSinks = this.sinks;
if (null != currentSinks && !currentSinks....
- 5,077
161
votes
13
answers
97k
views
Is if(items != null) superfluous before foreach(T item in items)?
I often come across code like the following:
if ( items != null)
{
foreach(T item in items)
{
//...
}
}
Basically, the if condition ensures that foreach block will execute only if ...
- 362k
6
votes
2
answers
6k
views
Java for each, but multiple iterator types?
I have a class Polygon on which I wish to implement two iterators: one to run through all elements (vertices and edges in alternating order) just ONCE, and another to run through them ad infinitum (...
- 8,873