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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?

...e special [[Get]] internal method defined below. b. Return the result of calling the get internal method using base as its this value, and passing GetReferencedName(V) for the argument Or in other words, a string has a primitive base, which calls back the internal get method and ends up looking ...
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How can I remove a character from a string using Javascript?

I am so close to getting this, but it just isn't right. All I would like to do is remove the character r from a string. The problem is, there is more than one instance of r in the string. However, it is always the character at index 4 (so the 5th character). ...
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How to close current tab in a browser window?

...ndow.close(); or you can specify a different window. So: function close_window() { if (confirm("Close Window?")) { close(); } } with HTML: <a href="javascript:close_window();">close</a> or: <a href="#" onclick="close_window();return false;">close</a> You r...
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Does Go have “if x in” construct similar to Python?

...ion without separate methods for every single type – Allen May 13 '15 at 4:33 29 It could be done...
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Change the Target Framework for all my projects in a Visual Studio Solution

I need to change the target framework for all projects. I have many solutions with hundreds of projects. 10 Answers ...
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Convert Dictionary to semicolon separated string in c#

... Edited according to comments. – the_drow Oct 6 '10 at 11:18 7 @Amittai, @the_dr...
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Send message to specific client with socket.io and node.js

..."I'm the master", function() { // Save the socket id to Redis so that all processes can access it. client.set("mastersocket", socket.id, function(err) { if (err) throw err; console.log("Master socket is now" + socket.id); }); }); socket.on("message to master", function(...
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Is there a way to include commas in CSV columns without breaking the formatting?

...distinguishing which should be used (for generate/interpret). I discussed all the methods to escape characters (newlines 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....
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Why is Scala's immutable Set not covariant in its type?

...ameter of type A due to the contravariance of functions. Set could potentially be contravariant in A, but this too causes issues when you want to do things like this: def elements: Iterable[A] In short, the best solution is to keep things invariant, even for the immutable data structure. You'll...
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Rename multiple files based on pattern in Unix

... Not present on all *nix systems. Not on Max OS X for one, and no package in fink to get it. Haven't looked at MacPorts. – dmckee --- ex-moderator kitten Jul 6 '09 at 16:07 ...