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Advantages of Antlr (versus say, lex/yacc/bison) [closed]

..., I think that LALR grammars are a lot easier to construct and debug. The downside is you have to deal with somewhat cryptic errors like shift-reduce and (the dreaded) reduce-reduce. These are errors that Bison catches when generating the parser, so it doesn't affect the end-user experience, but i...
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Finding sum of elements in Swift array

...(documentation here), which allows you to "reduce a collection of elements down to a single value by recursively applying the provided closure". We give it 0 as the initial value, and then, essentially, the closure { $0 + $1 }. Of course, we can simplify that to a single plus sign, because that's ho...
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How do I view the type of a scala expression in IntelliJ

... Hold down the Command key as you mouseover. Note: I tested this on Mac OS X with standard keybindings. Different OSes or non-standard keybindings may of course be different, but the functionality is certainly there. ...
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Is there a way to include commas in CSV columns without breaking the formatting?

...in that case, but same basic premise) in another post. Basically it comes down to using a CSV generation/escaping process for the intended users, and hoping the rest don't mind. Reference spec document. share | ...
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HTTP status code 0 - Error Domain=NSURLErrorDomain?

...time, being blocked by a firewall, or your entire network connection being down. Usually in the case of the latter though the phone is smart enough to know it doesn't have a network connection and will fail immediately. However, it will still fail with an apparent status code of 0. Note that in cas...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

...e-C code (no C++ yet) on Mac OS X 10.5. It's trivial to install and use: Download the latest version from this page. From the command-line, cd to your project directory. Execute scan-build -k -V xcodebuild. (There are some additional constraints etc., in particular you should analyze a project i...
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Implement C# Generic Timeout

...or that flag or timeout) - but the problem is that it is very hard to shut down the running code. For example, killing (or pausing) a thread is dangerous... so I don't think there is an easy way to do this robustly. I'll post this, but note it is not ideal - it doesn't stop the long-running task, a...
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Should we pass a shared_ptr by reference or by value?

... I did not down-vote your answer, but before this is a matter of preference, there are pros and cons to each of the two possibilities to consider. And it would be good to know and discuss theses pros and cons. Afterwards everyone can ma...
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C#: Assign same value to multiple variables in single statement

... Down to coding style I assume then. Thanks for the reply. – johnildergleidisson Dec 3 '13 at 19:10 ...
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What's the best UML diagramming tool? [closed]

...e question says "creating UML diagrams of all flavours.". I would vote it down, but I am weak, so I will just comment. – Ted Johnson May 22 '09 at 16:59 2 ...