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Using Node.JS, how do I read a JSON file into (server) memory?

... experimentation with Node.js and would like to read a JSON object, either from a text file or a .js file (which is better??) into memory so that I can access that object quickly from code. I realize that there are things like Mongo, Alfred, etc out there, but that is not what I need right now. ...
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How do I close a single buffer (out of many) in Vim?

...of caution: "the w in bw does not stand for write but for wipeout!" More from manuals: :bd Unload buffer [N] (default: current buffer) and delete it from the buffer list. If the buffer was changed, this fails, unless when [!] is specified, in which case ...
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How to understand nil vs. empty vs. blank in Ruby

...used on strings, arrays and hashes and returns true if: String length == 0 Array length == 0 Hash length == 0 Running .empty? on something that is nil will throw a NoMethodError. That is where .blank? comes in. It is implemented by Rails and will operate on any object as well as work like .empt...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

...aching of responses. Also of interest, are some good iPhone specific tips from Joseph Mattiello (received in an iPhone mailing list). There are more, but these were the most generally useful I thought (note that a few bits have now been slightly edited from the original to include details offered ...
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What is C# analog of C++ std::pair?

... 330 Tuples are available since .NET4.0 and support generics: Tuple<string, int> t = new Tuple...
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Print number of keys in Redis

... 202 You can issue the INFO command, which returns information and statistics about the server. See ...
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How to read all files in a folder from Java?

...e/you/Desktop"); listFilesForFolder(folder); Files.walk API is available from Java 8. try (Stream<Path> paths = Files.walk(Paths.get("/home/you/Desktop"))) { paths .filter(Files::isRegularFile) .forEach(System.out::println); } The example uses try-with-resources patte...
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jQuery callback for multiple ajax calls

...tions) options = {}; numRequestToComplete = options.numRequest || 0; requestsCompleted = options.requestsCompleted || 0; callBacks = []; var fireCallbacks = function() { alert("we're all complete"); for (var i = 0; i < callBacks.length; i++...
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How can I lock a file using java (if possible)

... opens a file using a FileReader. How can I prevent another (Java) process from opening this file, or at least notify that second process that the file is already opened? Does this automatically make the second process get an exception if the file is open (which solves my problem) or do I have to ex...
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When to use PNG or JPG in iPhone development?

... extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display. JPG's are smaller to store, but lossy (amount depends on compression level), and to display them requires a much more complicated decoding algor...