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How to use the new affix plugin in twitter's bootstrap 2.1.0?

...her specifying data-offset-top in your HTML. Instead, specify it when you call .affix(): $('#nav').affix({ offset: { top: $('#nav').offset().top } });​ The advantage here is that you can change the layout of your site without needing to update the data-offset-top attribute. Since this uses ...
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Android SDK on a 64-bit linux machine

... Yes, it is. You need to install the ia32 libraries. Check out the Ubuntu Linux troubleshooting section. apt-get install ia32-libs apt-get install sun-java6-jdk share ...
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What's the best way to cancel event propagation between nested ng-click calls?

... in it. Clicking the black overlay dismisses it; clicking the image will call a function that shows the next image. 9 Answ...
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Is there a better way to do optional function parameters in JavaScript? [duplicate]

... Well, you aren't talking about optional parameters - you really are passing a parameter, so this solution doesn't apply to your case. NaN doesn't mean "undefined" - it means you've passing a number but its value is NaN. See stackoverflow.com/questions/3215120/… for more ...
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Safe (bounds-checked) array lookup in Swift, through optional bindings?

... WARNING! Checking arrays this way can be really expensive. The contains method will iterate through all indices thus making this an O(n). A better way is to use the index and count to check the bounds. – Stefan Vasiljevic May 7 '...
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What is the difference between HTML tags and ?

...k element span is an inline element. This means that to use them semantically, divs should be used to wrap sections of a document, while spans should be used to wrap small portions of text, images, etc. For example: <div>This a large main division, with <span>a small bit</span>...
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How to print a number with commas as thousands separators in JavaScript

... console.log(`${failures} test(s) failed`); } else { console.log("All tests passed"); } .as-console-wrapper { max-height: 100% !important; } The regex uses 2 lookahead assertions: a positive one to look for any point in the string that has a multiple of 3 digits in a row...
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Calculate number of hours between 2 dates in PHP

... The newer PHP-Versions provide some new classes called DateTime, DateInterval, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here...
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Extract part of a regex match

... yeah, but most people forget about exceptions, and are really surprised when they see them at runtime :) – Krzysztof Krasoń Aug 25 '09 at 18:30 ...
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Are custom elements valid HTML5?

...cript interfaces. Custom elements is a part of a larger W3 specification called Web Components, along with Templates, HTML Imports, and Shadow DOM. Web Components enable Web application authors to define widgets with a level of visual richness and interactivity not possible with CSS alone, and eas...