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CSS selector for first element with class

... This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That's it. There's a very common misconception that it picks u...
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Is it possible to use a div as content for Twitter's Popover

I am using twitter's bootstrap's popover here . Right now, when i scroll over the popover text a popover appears with just text from the <a> 's data-content attribute. I was wondering if there was anyway to put a <div> inside the popover. Potentially, I would like to use php and...
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Get and Set a Single Cookie with Node.js HTTP Server

... with the suggestion of using Express's cookie parser. But, that answer is now 3 years old and is out of date. Using Express, you can read a cookie as follows var express = require('express'); var cookieParser = require('cookie-parser'); var app = express(); app.use(cookieParser()); app.get('/my...
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Best way to split string into lines

...ion<Action> measure = (Action func) => { var start = DateTime.Now; for (int i = 0; i < 100000; i++) { func(); } var duration = DateTime.Now - start; Console.WriteLine(duration); }; var input = ""; for (int i = 0; i < 100; i++) { input += "1 \r2\r\n3\n4...
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Detect If Browser Tab Has Focus

...le only one can have focus. Use whichever technique suits your needs, but know the difference. – jaredjacobs Sep 19 '18 at 16:47 1 ...
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How to duplicate object properties in another object?

...le: Object.assign(secondObject, firstObject); That's it! Support right now is obviously poor; only Firefox (34+) supports it out-of-the-box, while Chrome (45+) and Opera (32+) require the 'experimental flag' to be set. Support is improving, with the lastest versions of Chrome, Firefox, Opera, S...
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Convert UTC/GMT time to local time

... convertedDate.Kind; // will equal DateTimeKind.Unspecified You say you know what kind it is, so tell it. DateTime convertedDate = DateTime.SpecifyKind( DateTime.Parse(dateStr), DateTimeKind.Utc); var kind = convertedDate.Kind; // will equal DateTimeKind.Utc Now, once the system knows ...
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Is there an equivalent of lsusb for OS X

... This should be the accepted answer. Howerver, right now this package is broken because of its dependency usbids, track it over trac.macports.org/ticket/53188 – user5164080 Jan 31 '17 at 12:43 ...
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How to tell whether a point is to the right or left side of a line

...I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set. ...
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How do I create a copy of an object in PHP?

..._clone() { $this->someObject = clone $this->someObject; } } Now you can do cloning: $bar = new MyClass(); $foo = clone $bar; share | improve this answer | fo...