Monthly Archive for April, 2011

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links for 04/08/2011

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links for 04/07/2011

  • - Ben Goldacre, talking about the importance of linking to original sources- Mark Henderson, the science editor of the Time, talking about who counts as an ‘expert’ in science and health stories and how should this expertise be identified to the audience?- Fiona Fox from the Science Media Centre, talking about the role of mediators of scientific expertise such as the Science Media Centre- and Ed Young, wittering on about what we can learn from the way science bloggers source their stories, and whether they be used as sources themselves.

    tags: science journalism epistemology

  • via Jon Worth

    tags: radiation science

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links for 04/06/2011

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links for 04/05/2011

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links for 04/04/2011

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links for 04/03/2011

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links for 04/02/2011

  • jQuery drag & drop fallback strategy for mobile touchscreen devices: tap-to-lift => tap-to-drop.
    Only partially convinced; weird experience.
    Just tested on IOS browser, Android 2.2 and 2.3 browser and Firefox beta for Android, works just fine.

    tags: javascript jquery touchscreen drag&drop iphone ios android graaasp

  • JavaScript Touch and Gesture Events iPhone and Android
    There are quite a few sites that describe the touch and gesture events that can be used in the mobile version of WebKit running on iPhone and iPod Touch. There is, however, not so much info with regards to Android. I’ve placed a few links at the bottom of this article that contain information used to compile this brief explanation.
    Touch events are a bit like mouse events, but there are some very important differences when it comes to touch vs. mouse:
    A touch is very hard to keep steady whilst a mouse can stay at a fixed position – this means that we go from a touchStart event directly to a touchMove event. Unlike a mouse where a mouseDown event is likely to fire without being followed up by a mouseMove event.
    There is no mouseOver equivalent since a touch can be discontinuous, i.e., we can get from point A to point B without the need of drawing a continuous line between these points.
    A touch is an averaged point taken from the surface area in contact with the pointing device (your finger) translated to pixel coordinates – like finding the centre of a circle. A mouse is very precise and there is no averaging that needs to be done. What I’m trying to say is that a touch is not as accurate as a mouse.
    Android and iPhone touch events
    Android and iPhone versions of WebKit have some touch events in common:
    touchstart – triggered when a touch is initiated. Mouse equivalent – mouseDown
    touchmove – triggered when a touch moves. Mouse equivalent – mouseMove
    touchend – triggered when a touch ends. Mouse equivalent – mouseUp. This one is a bit special on the iPhone – see below
    touchcancel – bit of a mystery

    tags: javascript tab drag&drop iphone ios android graaasp

Posted from Diigo. The rest of my favorite links are here.