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Understanding reference counting with Cocoa and Objective-C

...e count is decremented. If, after calling release, the reference count is now zero, then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory ...
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Is there a destructor for Java?

...finalize only for sanity checking (i.e. if close has not been called do it now and log an error). There was a question that spawned in-depth discussion of finalize recently, so that should provide more depth if required... ...
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How do I get the current date in JavaScript?

...It doesn't consider TimezoneOffset. At my time of testing, I was seeking "now" and I got "yesterday". stackoverflow.com/questions/13646446/… – mickmackusa Jun 26 '14 at 15:13 ...
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p

...n any system with a compliant C++ compiler, whether today or 50 years from now. The abstract machine in the C++98/C++03 specification is fundamentally single-threaded. So it is not possible to write multi-threaded C++ code that is "fully portable" with respect to the spec. The spec does not even ...
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What is the difference between concurrency and parallelism?

...ery important tasks in one day: Get a passport Get a presentation done Now, the problem is that task-1 requires you to go to an extremely bureaucratic government office that makes you wait for 4 hours in a line to get your passport. Meanwhile, task-2 is required by your office, and it is a criti...
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How to send a message to a particular client with socket.io

I'm starting with socket.io + node.js, I know how to send a message locally and to broadcast socket.broadcast.emit() function:- all the connected clients receive the same message. ...
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Are there legitimate uses for JavaScript's “with” statement?

...e feature, and had never given much thought to how it might cause trouble. Now, I'm curious as to how I might make effective use of with , while avoiding its pitfalls. ...
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The best way to remove duplicate values from NSMutableArray in Objective-C?

...ded NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code: NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray]; NSArray *arrayWithoutDuplicates = [orderedSet array]; If you are worried about the order and you're running on iOS 4 or earl...
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Browser doesn't scale below 400px?

...to the right instead of to the bottom Resize the inspector panel - you can now make the browser area really small (down to 0px) Update: Chrome now allows you to arrange the inspector windows vertically when docked to the right! This really improves the layout. The HTML and CSS panels fit really...
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Where to place AutoMapper.CreateMaps?

... code (and refactor) if necessary. EDIT: Just thought I'd mention that I now use AutoMapper profiles, so the above example becomes: public static class AutoMapperWebConfiguration { public static void Configure() { Mapper.Initialize(cfg => { cfg.AddProfile(new UserProf...