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David Walsh Tutorials

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    Open Firefox in Private Mode by Default

    Opening a Firefox Private Window is oftentimes the first step persons who value privacy do when they open their browser.  That made me think:  can you configure Firefox to open in private mode by default?  It turns out you can. about:config When you type about:config in the address bar of...

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    Check Out The Best Tools To Use For Your Projects

    If you’re just staring up with a website or application, you shouldn’t miss out on some of the best tools and resources available out there. Some of them could prove to be real life savers. With that in mind, we’ve compiled a list for you to...

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    Faster npm

    npm is the premier package repository on the web and we all use it a ton, obviously.  npm has started using basic progress bar graphics to notify users of download progress, which is nice, but appears to slow down the entire process.  This tweet blew my mind: It sounds...

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    Get Element Dimensions After CSS Transform

    I've been playing a lot with meta viewports recently due to seeing many HTML5 TV apps coded explicitly for 1280x720 which you'll see on many HD televisions.  We all know that it's a much better practice to use responsive design than hardcode dimensions but, that aside, meta...

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    POST Form Data with cURL

    cURL is the magical utility that allows developers to download a URL's content, explore response headers, get stock quotes, confirm our GZip encoding is working, and much more.  One more great usage of cUrl for command line is POSTing form data to a server...

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    ping Attribute

    One of the attributes I somehow missed with the HTML5 revolution was the ping attribute;  Other attributes were more popular, download being one of them.  Hell, I just stumbled upon the ping attribute while reading an old forum post.  The ping attribute of an a element represents a...

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    git tag

    git tag is used to pin down a given revision as significant, often for the purpose of officially releasing code.  Once a tag is created, it's often referred to by build and deploy scripts instead of the tag's represented commit.  Tagging revisions  and deleting tags in git is easy...

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    Making Portfolios And Websites Is An Easy Job With These Tools

    To do the best possible job, it always helps to have the best tools for that job. If you are somewhat new to the website or portfolio-building game, you could not be expected to know which tools are the best and what makes them so. We've done...

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    Couch Con’ing O’Reilly Fluent Conference 2016

    I was planning on attending this year's O'Reilly Fluent Conference in San Francisco until Mozilla needed me elsewhere the next week.  I suppose technically I could go to Fluent but I'd be away from home for two weeks and, with a newborn, Mrs. Walsh Blog might give me...

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    Cache API

    The awesome ServiceWorker API is meant to give developers a bit more control over what is and isn't cached, and how.  Sure we can play games with ETags and the like but doing it programmatically with JavaScript just feels better, more controllable.  As with every API, however, adding stuff to...