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receiver type *** for instance message is a forward declaration

...of other stuff wrong with your code. You're -init'ing an object without +alloc'ing it. That won't work You're declaring an object as a non-pointer type, that won't work either You're not calling [super init] in -init. You've declared the class using @class in the header, but never imported the cla...
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How can I concatenate NSAttributedStrings?

... NSMutableAttributedString *mutableAttString = [[NSMutableAttributedString alloc] init]; NSString *plainString = // ... NSDictionary *attributes = // ... a dictionary with your attributes. NSAttributedString *newAttString = [[NSAttributedString alloc] initWithString:plainString attributes:attribute...
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Calling Objective-C method from C++ member function?

... : self( NULL ) { } MyClassImpl::~MyClassImpl( void ) { [(id)self dealloc]; } void MyClassImpl::init( void ) { self = [[MyObject alloc] init]; } int MyClassImpl::doSomethingWith( void *aParameter ) { return [(id)self doSomethingWith:aParameter]; } void MyClassImpl::logMyMessage...
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How to convert NSDate into unix timestamp iphone sdk?

...TimeStamp { NSDateFormatter *objDateformat = [[NSDateFormatter alloc] init]; [objDateformat setDateFormat:@"yyyy-MM-dd"]; NSString *strTime = [objDateformat stringFromDate:[NSDate date]]; NSString *strUTCTime = [self GetUTCDateTimeFromLocalTime:strTime];//Yo...
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How to get memory available or used in C#

... It should probably be noted that a call to GetCurrentProcess will itself allocate quite a lot of resources. Call Dispose on the returned process when done, or wrap the whole code in a "using" scope. – Mathias Lykkegaard Lorenzen Apr 1 '14 at 5:23 ...
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.NET XML serialization gotchas? [closed]

...nk characters that won't deserialize properly (because of the extra buffer allocated). http://msdn.microsoft.com/en-us/library/system.io.memorystream.getbuffer(VS.80).aspx share | improve this answ...
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How to resize superview to fit all subviews with autolayout?

...ad]; // INIT ALL REQUIRED UI ELEMENTS self.contentView = [[UIView alloc] init]; self.myLabel = [[UILabel alloc] init]; self.myOtherLabel = [[UILabel alloc] init]; NSDictionary *viewsDictionary = NSDictionaryOfVariableBindings(_contentView, _myLabel, _myOtherLabel); // TURN ...
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How can I scan barcodes on iOS?

...tWithDevice:self.device error:nil]; self.session = [[AVCaptureSession alloc] init]; self.output = [[AVCaptureMetadataOutput alloc] init]; [self.session addOutput:self.output]; [self.session addInput:self.input]; [self.output setMetadataObjectsDelegate:self queue:dispatch_get_m...
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Find out how much memory is being used by an object in Python [duplicate]

... different implementation for small number of keys and sometimes they over allocate entries). There is a big chunk of code (and an updated big chunk of code) out there to try to best approximate the size of a python object in memory. You may also want to check some old description about PyObject ...
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Increase heap size in Java

... It is possible to increase heap size allocated by the JVM by using command line options Here we have 3 options -Xms<size> set initial Java heap size -Xmx<size> set maximum Java heap size -Xss<size> set java thread stack si...