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Is there a way to detect if a browser window is not currently active?

... has a small false positive rate. It has the advantage to be multibrowser (tested on Firefox 5, Firefox 10, MSIE 9, MSIE 7, Safari 5, Chrome 9). <div id="x"></div> <script> /** Registers the handler to the event for the given object. @param obj the object wh...
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In an array of objects, fastest way to find the index of an object whose attributes match a search

...nexpected type conversion, so use the obj.id === 3 operator instead, which tests for equal value and type. – thclark Jul 3 '18 at 13:03 ...
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Tactics for using PHP in a high-load site

...h write load, the cache is actually crippling. If you turned it on without testing, you'd never know. And don't forget that you are never done scaling. A site that handles 10req/s will need changes to support 1000req/s. And if you're lucking enough to need to support 10,000req/s, your architecture ...
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Can you help me understand Moq Callback?

... time. In general, you won't need a mechanism like this very often (xUnit Test Patterns have terms for antipatterns of the ilk Conditional Logic In Tests), and if there's any simpler or built-in way to establish what you need, it should be used in preference. Part 3 of 4 in Justin Etheredge's Moq ...
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Why does Chrome incorrectly determine page is in a different language and offer to translate?

...ust like every other page in our app. This particular page is an internal testing page that has a few dozen form fields with English labels. I have no idea why Chrome thinks this page is Danish. ...
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How to detect online/offline event cross-browser?

... @chovy and how about now? I lately tested it in Firefox/Chrome and got the expected results, seeing that the flag is being set, when I turn off and on the internet connection.. – James Cazzetta Nov 27 '15 at 12:45 ...
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jQuery - setting the selected value of a select control via its text description

... I haven't tested this, but this might work for you. $("select#my-select option") .each(function() { this.selected = (this.text == myVal); }); share ...
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Node.js/Express.js App Only Works on Port 3000

...le node app.js will start it (I personally use nodemon when developing and testing. What you might be thinking of is the express command-line executable that is a helper process that builds out your skeleton file structure. Can you post a gist of your code? – EhevuTov ...
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Return index of greatest value in an array

... Ok this function returns the first encountered index for the greatest value. Let's say I have more than one index with the same highest value, how do I get all these indexes? – ed1nh0 Apr 15 '19 at 14:02 ...
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How can I convert an RGB image into grayscale in Python?

... Three of the suggested methods were tested for speed with 1000 RGBA PNG images (224 x 256 pixels) running with Python 3.5 on Ubuntu 16.04 LTS (Xeon E5 2670 with SSD). Average run times pil : 1.037 seconds scipy: 1.040 seconds sk : 2.120 seconds PIL and ...