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How can I force WebKit to redraw/repaint to propagate style changes?

... I found some complicated suggestions and many simple ones that didn’t work, but a comment to one of them by Vasil Dinkov provided a simple solution to force a redraw/repaint that works just fine: sel.style.display='none'; sel.offsetHeight; // no need to store...
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Maven error “Failure to transfer…”

... in (*.lastUpdated) do del %i Then rightclick on your project in eclipse and choose Maven->"Update Project ...", make sure "Update Dependencies" is checked in the resulting dialog and click OK. share | ...
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How to implement has_many :through relationships with Mongoid and mongodb?

...ther side. For example: class Physician include Mongoid::Document has_and_belongs_to_many :patients end class Patient include Mongoid::Document has_and_belongs_to_many :physicians end In other words you would eliminate the join table and it would have a similar effect to has_many :throug...
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What do hjust and vjust do when making a plot using ggplot?

...lot using ggplot, I spend a little while trying different values for hjust and vjust in a line like 2 Answers ...
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Knight's Shortest Path on Chessboard

I've been practicing for an upcoming programming competition and I have stumbled across a question that I am just completely bewildered at. However, I feel as though it's a concept I should learn now rather than cross my fingers that it never comes up. ...
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ES6 class variable alternatives

...many of us are using the following pattern in frameworks to create classes and class variables, which is comfy: 15 Answers ...
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Set size on background image with CSS?

...ired result if you need the image to be background for some other content (and it will not repeat itself like you seems to want)... CSS3 unleash the powers This is possible to do in CSS3 with background-size. All modern browsers support this, so unless you need to support old browsers, this is the w...
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What is this Javascript “require”?

... So what is this "require?" require() is not part of the standard JavaScript API. But in Node.js, it's a built-in function with a special purpose: to load modules. Modules are a way to split an application into separate files instead of having all of your application in one file. Th...
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What's the difference between “ ” and “ ”?

... One is non-breaking space and the other is a regular space. A non-breaking space means that the line should not be wrapped at that point, just like it wouldn’t be wrapped in the middle of a word. Furthermore as Svend points out in his comment, non-...
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Why is it common to put CSRF prevention tokens in cookies?

I'm trying to understand the whole issue with CSRF and appropriate ways to prevent it. (Resources I've read, understand, and agree with: OWASP CSRF Prevention CHeat Sheet , Questions about CSRF .) ...