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How can I iterate over an enum?

I just noticed that you can not use standard math operators on an enum such as ++ or += 21 Answers ...
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How do I assert equality on two classes without an equals method?

... @PiotrAleksanderChmielowski, sorry, when working with Spring+JPA+Entities, the Entity object may have an id (representing the id field of the database table), so when it is empty (a new object not yet stored on the DB), refEq fails to c...
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In a Bash script, how can I exit the entire script if a certain condition occurs?

...oniLeigh If it's closing the "window" likely you're putting the exit # command inside a function, not a script. (In which case use return # instead.) – Jamie Jan 6 at 20:27 a...
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How do I make an HTTP request in Swift?

... You can use URL, URLRequest and URLSession or NSURLConnection as you'd normally do in Objective-C. Note that for iOS 7.0 and later, URLSession is preferred. Using URLSession Initialize a URL object and a URLSessionDataTask from URLSession. Then run the ...
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Why can I type alias functions and use them without casting?

... Turns out, this is a misunderstanding that I had about how Go dealt with types, which can be resolved by reading the relevant part of the spec: http://golang.org/ref/spec#Type_identity The relevant distinction that I was unaware of was that of named and ...
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NSOperation vs Grand Central Dispatch

...programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa? ...
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What is the difference between NULL, '\0' and 0?

...e appear to be differences between various values of zero -- NULL , NUL and 0 . 11 Answers ...
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When should I use RequestFactory vs GWT-RPC?

... The big difference between GWT RPC and RequestFactory is that the RPC system is "RPC-by-concrete-type" while RequestFactory is "RPC-by-interface". RPC is more convenient to get started with, because you write fewer lines of code and use the same class on both...
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Why does Maven have such a bad rep? [closed]

...Maven is bad. I have been using some features of Maven for a few years now and the most important benefit in my view is the dependency management. ...
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What is the length of the access_token in Facebook OAuth2?

I searched on Google and StackOverflow to find a answer to my question but I can't find one. 7 Answers ...