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Responding with a JSON object in Node.js (converting object/array to JSON string)

...y: function random(response) { console.log("Request handler random was called."); response.writeHead(200, {"Content-Type": "application/json"}); var otherArray = ["item1", "item2"]; var otherObject = { item1: "item1val", item2: "item2val" }; var json = JSON.stringify({ anObject: othe...
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Rails - Could not find a JavaScript runtime?

... Installing a javascript runtime library such as nodejs solves this To install nodejs on ubuntu, you can type the following command in the terminal: sudo apt-get install nodejs To install nodejs on systems using yum, type the fol...
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How do I tell if a regular file does not exist in Bash?

... The unary operator -z tests for a null string, while -n or no operator at all returns True if a string is not empty. ~ ibm.com/developerworks/library/l-bash-test/index.html – BlueCacti May 5 '14 at 11:06 ...
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jquery - return value using ajax result on success

I have a small problem with jquery $.ajax() function. 9 Answers 9 ...
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How do you add a timer to a C# console application

... public static void Main() { // Create a Timer object that knows to call our TimerCallback // method once every 2000 milliseconds. Timer t = new Timer(TimerCallback, null, 0, 2000); // Wait for the user to hit <Enter> Console.ReadLine(); } private static vo...
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Explanation of [].slice.call in javascript?

... What's happening here is that you call slice() as if it was a function of NodeList using call(). What slice() does in this case is create an empty array, then iterate through the object it's running on (originally an array, now a NodeList) and keep appending t...
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How can I change Eclipse theme?

...orthemes.org. The easiest way is to add this update URI to "Help -> Install New Software" and install it from there. Eclipse Color Themes This adds a "Color Theme" menu item under Window -> Preferences -> Appearance Where you can select from a large range of editor themes. My pref...
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What is the Windows version of cron? [closed]

... Is there also a way to invoke this feature (which based on answers is called the Task Scheduler) programatically [...]? Task scheduler API on MSDN. share | improve this answer | ...
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R and version control for the solo data analyst

... to do this- but has rewinding any file under your current backup system really been a painless, feasible option? Sometimes the report just looked better 45 minutes, an hour or two days ago. Collaboration: Most of the time I am analysing data myself, thus, I wouldn't get the collaboratio...
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How do I get the YouTube video ID from a URL?

... Did you know that it's not really perfect, if you put anything.com/watch?v=jn40gqhxoSY It think it's a youtube url – Gino Oct 1 '17 at 19:59 ...