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How do I calculate the date in JavaScript three months prior to today?

...edMonth) { result.setDate(0); } return result; } var dt2004_05_31 = new Date("2004-05-31 0:00"), dt2001_05_31 = new Date("2001-05-31 0:00"), dt2001_03_31 = new Date("2001-03-31 0:00"), dt2001_02_28 = new Date("2001-02-28 0:00"), result = addMonths(dt2001_05_31, -2)...
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How to decide font color in white or black depending on background color?

...ove. The formula given for contrast in the W3C Recommendations is (L1 + 0.05) / (L2 + 0.05), where L1 is the luminance of the lightest color and L2 is the luminance of the darkest on a scale of 0.0-1.0. The luminance of black is 0.0 and white is 1.0, so substituting those values lets you determine ...
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Min/Max of dates in an array?

... e.g. dates.push('2011/06/05'). Using strings the array can be simply sorted and the first and last member values returned and converted to dates if necessary. – RobG Aug 23 '11 at 0:52 ...
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How to convert a data frame column to numeric type?

... David J. 27.4k1818 gold badges105105 silver badges157157 bronze badges answered Feb 18 '10 at 16:15 JayJay 2,...
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Regular expression to match non-ASCII characters?

... var words_in_text = function (text) { var regex = /([\u0041-\u005A\u0061-\u007A\u00AA\u00B5\u00BA\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052...
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MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start

I have been running MAMP Pro 3.05 successfully in Yosemite up to DP4 on a partition that was a clean install of Yosemite. 1...
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How do I search for an object by its ObjectId in the mongo console?

... // no criteria { "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 } > db.test.find({"_id" : ObjectId("4ecc05e55dd98a436ddcc47c")}) // explicit { "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 } > db.test.find(ObjectId("4ecc05e55dd98a436dd...
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JavaScript + Unicode regexes

... 205 Situation for ES 6 The upcoming ECMAScript language specification, edition 6, includes Unicode-...
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Why does Date.parse give incorrect results?

Fri Jul 08 2005 00:00:00 GMT-0700 (PST) 11 Answers 11 ...
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Converting a date string to a DateTime object using Joda Time library

I have a date as a string in the following format "04/02/2011 20:27:05" . I am using Joda-Time library and would like to convert it to DateTime object. I did: ...