Top "Nsinvocation" questions

Objective-C: How to call performSelector with a BOOL typed parameter?

Is there any way to send a BOOL in selector ? [self performSelector:@selector(doSomething:) withObject:YES afterDelay:1.5]; Or I should …

objective-c iphone selector nsinvocation

Difference between Dispatch Queue and NSOperationQueue

I am very new to GCD and threading. I have gone through the tutorials and getting very much confusion. Can …

iphone multithreading grand-central-dispatch nsoperationqueue nsinvocation

Asynchronous NSURLConnection with NSOperation

I want to do NSURLConnection in background mode,because it response is having much data.Forums are telling to use …

objective-c ios nsurlconnection nsoperation nsinvocation

Invoke block iOS

I try to invoke some block, but I run into a EXC_BAD_ACCESS. -(void) methodA { self.block = ^ { [self …

objective-c ios objective-c-blocks nsinvocation

How to pass an argument to a method called in a NSTimer

I have a timer calling a method but this method takes one paramether: theTimer = [NSTimer scheduledTimerWithTimeInterval:animationInterval target:self selector:@…

objective-c arguments nstimer nsinvocation

A nice way to perform a selector on the main thread with two parameters?

I'm searching for a nice way to perform a selector on the main thread with two parameters I really like …

objective-c multithreading selector nsinvocation ios-3.x

NSInvocation returns value but makes app crash with EXC_BAD_ACCESS

I have an array which I am iterating and looking for a particular flag. If the flag value is nil, …

ios objective-c nsinvocation