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How to detect internet speed in JavaScript?

...e file size. Example can be found here: Calculate speed using javascript Test case applying the fix suggested there: //JUST AN EXAMPLE, PLEASE USE YOUR OWN PICTURE! var imageAddr = "http://www.kenrockwell.com/contax/images/g2/examples/31120037-5mb.jpg"; var downloadSize = 4995374; //bytes ...
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How to run `rails generate scaffold` when the model already exists?

... available to you. Rails: controller generator helper integration_test mailer migration model observer performance_test plugin resource scaffold scaffold_controller session_migration stylesheets If you'd like to generate a controller scaffold for your model, see scaf...
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Is JavaScript supported in an email message?

...ipt from the mail before handing it to the browser. So JS does not work. I tested Gmail in Firefox 56 and Chrome 61. Also checked the code in webmaster tools, the JS code is removed. – Christopher K. Nov 6 '17 at 14:12 ...
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Difference in months between two dates

...365.25 / 12) Note, if you were to use the latter solution then your unit tests should state the widest date range which your application is designed to work with and validate the results of the calculation accordingly. Update (with thanks to Gary) If using the 'average months' method, a slight...
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How to get height of entire document with JavaScript?

...ated. There used to be a complex best-practice formula around for how you tested for correct height/width. This involved using document.documentElement properties if available or falling back on document properties and so on. The simplest way to get correct height is to get all height values foun...
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What are the dangers when creating a thread with a stack size of 50x the default?

... Upon comparing test code with Sam, I determined that we are both right! However, about different things: Accessing memory (reading and writing) is just as fast wherever it is - stack, global or heap. Allocating it, however, is fastest...
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List columns with indexes in PostgreSQL

... Create some test data... create table test (a int, b int, c int, constraint pk_test primary key(a, b)); create table test2 (a int, b int, c int, constraint uk_test2 unique (b, c)); create table test3 (a int, b int, c int, constraint uk_...
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How do you know what to test when writing unit tests? [closed]

...on’t Know Where to Start? Start afresh. Only think about writing tests when you are writing new code. This can be re-working of old code, or a completely new feature. Start simple. Don’t go running off and trying to get your head round a testing framework as well as being TDD-e...
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Test if something is not undefined in JavaScript

...for me: typeof possiblyUndefinedVariable !== "undefined" I will have to test that in other browsers and see how things go I suppose. share | improve this answer | follow ...
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How can I check if string contains characters & whitespace, not just whitespace?

...heck to see if there's at least one character of non whitespace: if (/\S/.test(myString)) { // string is not empty and not just whitespace } share | improve this answer | ...