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How to prevent page scrolling when scrolling a DIV element?

...;& e.preventDefault(); }); Inside the event handler, you'll need to know: scrolling direction d = e.originalEvent.deltaY, dir = d < 0 ? 'up' : 'down' because a positive number means scrolling down scroll position scrollTop for top, scrollHeight - scrollTop - offsetHeight for bottom If y...
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How to tell whether a point is to the right or left side of a line

...I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set. ...
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How to add an object to an array

...uestion: myArray = []; myArray.push({'text': 'some text', 'id' : 13}); and now myArray is empty. So if we try get the value from myArray[0]['text'] it will be empty, why? take.ms/jSvbn – fdrv Mar 16 '16 at 14:55 ...
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Haskell testing workflow

...ot of sense to integrate your toolchain with it. Edit: Cabal test support now does exist. See http://www.haskell.org/cabal/release/cabal-latest/doc/users-guide/developing-packages.html#test-suites share | ...
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How do JavaScript closures work?

How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves? ...
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How to install therubyracer gem on 10.10 Yosemite?

... Thank's, it work for me, just for copy/paste guy like me, we are now at gem install pkg/libv8-3.16.14.7-x86_64-darwin-14.gem – Christophe Dufour Oct 21 '14 at 9:58 2 ...
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Error when trying to obtain a certificate: The specified item could not be found in the keychain

... It seems like OS X now defaults to the first item being selected now. If you just choose a different keychain (i.e System) when you generate this it should fix the issue. – James Parker Jan 20 '16 at 14:25...
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How to force a html5 form validation without submitting it via jQuery

... reportValidity now is supported by Firefox since version 49 – Justin Oct 18 '17 at 17:42 ...
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Positions fixed doesn't work when using -webkit-transform

...ansformed_div { /* styles here, background image etc */ } } So for now you'll have to do it the old fashioned way, until Webkit browsers catch up to FF. EDIT: As of 10/24/2012 the bug has not been resolved. This appears to not be a bug, but an aspect of the specification due to the two e...
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twitter bootstrap typeahead ajax example

...ed' ? false : process(json.options); } }); } }); Now you can make a unified code, placing "json-request" links in your HTML-code. share | improve this answer | ...