ConcurrentModificationException when iterating through connections
171
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a loop
58278
Why does Iterable not provide stream() and parallelStream() methods?
84786
ExecuteReader requires an open and available Connection. The connection's current state is Connecting
63909
Adding elements to a collection during iteration
51466
Why is this parallel evaluation with Dispatch[] so slow?
53545
Do I need to synchronize access to immutable types in Java?
87275
Getting Cross-thread operation not valid
60497
System.QueryException: List has more than 1 row for assignment to SObject
124961
Do Apex collections implement iterable?
19444
Changing HashMap keys during iteration
134092
How to handle all unhandled exceptions when using Task Parallel Library?
81517
Is there a concurrency with UPDATE count=count+1?
134651
SQL server concurrent accessing
8709
Collection was modified; enumeration operation may not execute
86579
Why does an IllegalThreadStateException occur when Thread.start is called again
101781
MemoryStream usage leads to out of memory exception
88256
Strange code in java.util.concurrent.LinkedBlockingQueue