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How do I get the current time only in JavaScript

...urrent time efficiently using javascript I couldn't find a solution that did exactly what I needed. I wanted clean and tiny code so I came up with this: (Set once in your master.js and invoke when required.) PURE JAVASCRIPT function timeNow(i) { var d = new Date(), h = (d.getHours()&...
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How do I calculate a point on a circle’s circumference?

... trying to derive this equation for an hour now. Thanks. Who know the trig identities you learned in high school would be so helpful. – Isioma Nnodum May 28 '14 at 22:37 1 ...
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What does the @ symbol represent in objective-c?

... The @ character isn't used in C or C++ identifiers, so it's used to introduce Objective-C language keywords in a way that won't conflict with the other languages' keywords. This enables the "Objective" part of the language to freely intermix with the C or C++ par...
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Callback functions in C++

...otification callback). Thus, the library designer is not in charge of deciding what happens with the information that is given to the programmer via the notification callback and he needn't worry about how to actually determine function values because they're provided by the logic callback. Getti...
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Catch paste input

...ie 11: window.clipboardData.getData('text') – Wallstrider Jun 20 '17 at 12:04 4 However, note tha...
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When should I use Inline vs. External Javascript?

...b scalability has changed. Reducing the number of requests has become a valid consideration due to the latency of making multiple HTTP requests. This makes the answer more complex: in most cases, having JavaScript external is still recommended. But for certain cases, especially very small pieces of ...
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How to check 'undefined' value in jQuery

... One of my problems was: if you are doing something like this ("#myId"), make sure what do you really need: a. typeof ("#myId")=== "undefined" b. Or: typeof ("#myId").val() === "undefined" – Alberici Dec 26 '14 at 22:54 ...
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How to wrap text around an image using HTML/CSS

... you have to float your image container as follows: HTML <div id="container"> <div id="floated">...some other random text</div> ... some random text ... </div> CSS #container{ width: 400px; background: yellow; } #floated{ float: left; ...
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Node.js on multi-core machines

... on one box, one per core and split request traffic between them. This provides excellent CPU-affinity and will scale throughput nearly linearly with core count. Scaling throughput on a webservice Since v6.0.X Node.js has included the cluster module straight out of the box, which makes it easy ...
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Position: absolute and parent height?

...vely positioned. How to set containers height so their children will be inside of them? 6 Answers ...