I have a situation where very rarely a Queue of Objects is dequeuing a null. The only call to Enqueue is within the class itself:
I need some help getting my head around thread safety and dictionaries. When adding to a dictionary I get an error saying \"An item with the same key has already been added\" (when I开发者_高级运维 sa
We know that the dateformat classes are not thread safe. I have a multi-threaded scenario where dateformats needs to be used. I can\'t really create a new instance in new thread as SimpledateFormat cr
I have an asynchronous method in a singleton class that needs to fire an event on the UI thread because most people subscribed to the event are controls, but the caller of the method isn\'t a control.
Can anybody give me example that NSM开发者_JAVA技巧utableArray is thread safe or not?It is not thread safe. See the list of thread safe/unsafe classes hereAccording to the Apple docs NSMutableArray is
Nowadays there are some profilers which promise to profile concurrent behavior of program execution in order to understand the threaded execution.
What are this working threads? How to implement them? And when to use them. I ask this bec开发者_开发知识库ause many people mention them but I dont find an the net some example of them. Or is just a s
An interruption exception (java.lang.InterruptedException) occurs as I\'m trying to perform some simple read (SELECT) operations using C3P0 on a MySQL database. The exception occurs as I increase the
I am trouble figuring out how to make a synchronized Python object. I have a class called Observation and a class called Variable that basically looks like (code is simplified to show the essence):
A primitive way to have two threads share a state with type int ref in OCaml is: let add i x = x := !x + i;