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Check whether user has a Chrome extension installed

... here: https://developer.chrome.com/extensions/extension#global-events Untested, but you should be able to do... var myPort=chrome.extension.connect('yourextensionid_qwerqweroijwefoijwef', some_object_to_send_on_connect); ...
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text-overflow:ellipsis in Firefox 4? (and FF5)

...he box isn't known. This was a deal breaker for me so I stopped working on/testing it... but I thought I'd post it here in case it is of use to someone. Be sure to test it well as my testing was less than exhaustive. I intended to add a browser check to only run the code for FF4 and let all the othe...
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Is there a W3C valid way to disable autocomplete in a HTML form?

... This would make automatic testing harder. – David Waters Feb 24 '09 at 16:16 14 ...
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Creating multiline strings in JavaScript

... the performance loss for an application is often negligible. As that perf test shows, even IE7 can do tens of thousands of operations per second. – Benjamin Atkin Aug 20 '11 at 8:16 ...
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Should I use string.isEmpty() or “”.equals(string)?

I'm usually testing this alongside a string == null , so I'm not really concerned about a null-safe test. Which should I use? ...
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How to format numbers? [duplicate]

... Beware that toLocaleString is very slow and can leak memory in Node! Tested this on Node 10.16.3: console.log('on start RSS = ', process.memoryUsage().rss / 1024 / 1024); const number = Math.random() * 10; const params = { minimumFractionDigits: 3, maximumFractionDigits: 3, useGrouping: false ...
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Focusable EditText inside ListView

... very cool, didn't tested yet. Have you tested on 1.5, 1.6 and 3.0? – Rafael Sanches May 3 '11 at 8:33 ...
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Why do I get “'property cannot be assigned” when sending an SMTP email?

...entials = false; client.Host = "smtp.gmail.com"; mail.Subject = "this is a test email."; mail.Body = "this is my test email body"; client.Send(mail); share | improve this answer | ...
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How does TestFlight do it?

TestFlight offers over-the-air beta distribution of iOS apps (on non-jailbroken devices). How can this be done? Is this an iOS feature, or a vulnerability exploit? ...
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String vs. StringBuilder

... It still depends on how one uses it, for a reference to actually tests I like Coding Horror - The Sad Tragedy of Micro-Optimization Theater – Erik Philips Jul 27 '13 at 17:38 ...