Error; The application may be doing too much work on its main thread
109516
The application may be doing too much work on its main thread
86579
Why does an IllegalThreadStateException occur when Thread.start is called again
106793
Managing CPU intensive threads on iOS
110044
How many threads is too many?
134367
Is a static counter thread safe in multithreaded application?
106257
What are the possible problems caused by adding elements to unsynchronized ArrayList's object by multiple threads simultaneously?
87275
Getting Cross-thread operation not valid
104836
NetworkOnMainThreadException on higher API
74803
Why am I getting "must be caught or declared to be thrown" on my program?
98234
How to prevent an exception in a background thread from terminating an application?
105884
How can multithreading speed up an application (when threads can't run concurrently)?
149008
Concurrent requests limit exceeded - how to find the problematic code
35253
What is a stack trace, and how can I use it to debug my application errors?
29305
Program hangs if thread is created in static initializer block
154861
solution for apex cpu time limit exceeded exception
49089
How many threads should I have, and for what?
23484
How can one use multi threading in PHP applications