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David Walsh Tutorials

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    Face Detection with jQuery

    I've always been intrigued by recognition software because I cannot imagine the logic that goes into all of the algorithms. Whether it's voice, face, or other types of detection, people look and sound so different, pictures are shot differently, and from different angles, I...

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    Confessions of a Web Developer XI

    It's been quite a while since I've gotten a few things off of my chest and since I'm always full of peeves and annoyances I thought it was time to unleash: I really bollocked Facebook during their F8 event last month. Saying Zuckerburg was awkward.

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    DOM Manipulation with put-selector

    DOM node manipulation is a big part of the web today; just look at how popular the jQuery JavaScript framework has gotten. The ability to easily work with the DOM allows us to do a lot of work in a little bit of code.

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    Style Scavenger: 7 CSS Snippets to Borrow from HTML5 Boilerplate

    The "Scavenger" series looks at large-scale projects and focuses on the small snippets you can take from the project without needing the complete project. Starting a web application from scratch can be a boring, time-consuming task. Paul Irish's HTML5 Boilerplate project is an exceptional...

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    background-size Matters

    It's something that makes all men live in fear, and are often uncertain of. It's never spoken, but the curiosity is always there. Nine out of ten women agree in the affirmative. Advertisers do their best to make us feel inadequate but...

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    Fix Button Borders in WebKit Mobile

    One of the focuses of the blog redesign I've been working on is mobile support. This current blog design is passable at best when it comes to mobile display, and with mobile sales booming, I need to make sure my site is optimized for these...

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    CSS4 Preview – Selectors

    CSS is one probably the best bridge between web designers and developers so updates to the CSS spec are very exciting. The W3C recently posted an update to the working Selectors Level 4 spec, and there are many useful updates to be found.

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    File Uploads and C:\fakepath\

    I was recently working on a project that required providing an AJAX uploading widget to users. I decided to use Dojo's dojox.form.FileInput widget so the "Upload" button would look just like every other button within the web application. Everything worked great until I tested...

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    Dojo, Dijit, Dropdowns, and _aroundNode

    The Dojo Toolkit's awesome UI framework, Dijit, has loads of awesome widgets to allow developers to quickly create themed, feature-rich web applications. Dijit provides form widgets, layout widgets, dropdown-based widgets, and much more. What's nice about Dijit is that there's so much functionality provided...

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    Change Mobile Safari Highlight Color with CSS

    I love the amount of extra customization afforded to us by WebKit. That also makes me love the fact that, for the most part, WebKit Mobile is the choice renderer used by mobile devices. One rarely used style property is -webkit-tap-highlight-color, which allows developers...