An adventure in sparse arrays
I offered to coach JavaScript recently, and an exercise I dreamt up was to implement every array (prototype) method, and write tests that they work. Since I'd come down with tonsillitis which apparently comes with a full on bedridden fever, I thought I'd have a go myself. And I learnt a few things along the way. Today, I wanted to share the swiss cheese wonder of sparse arrays! (see what I did the
The copy & paste guide to your first Service Worker
There are a lot of tutorials on the web for Service Workers (many of which are very good), but there's a lot of reading too. So, this is me throwing my hat in with the fast and loose: copy & paste guide. UK EVENTAttend ffconf.org 2024 The conference for people who are passionate about the web. 8 amazing speakers with real human interaction and content you can't just read in a blog post or watch on
My five promise patterns
I've been getting big into promises over the last year. I think the two best resources that I've learnt from today is Forbes Lindesay's talk at JSConf.EU 2013 and Jake Archibald's excellent promise article on html5rocks. There's been some patterns that I use over and over so I wanted to share and document them. Please note that the examples used are mostly based on my real code, but have been simp
What is a Polyfill?
A polyfill, or polyfiller, is a piece of code (or plugin) that provides the technology that you, the developer, expect the browser to provide natively. Flattening the API landscape if you will. READER DISCOUNTSave $50 on terminal.training I've published 38 videos for new developers, designers, UX, UI, product owners and anyone who needs to conquer the command line today. $49 - only from this link
nodemon 1.0
For the past few months I've been working on a re-factor of nodemon. The two main drivers were to make the code base easier to maintain and to make nodemon more extendible. Nodemon is a command line utility to detect file changes and restart your application. Typically node apps, but it can restart any kind of program, ruby, python, make commands and more. A bit of background Originally nodemon wa
I know jQuery. Now what?
I gave this talk: I know jQuery. What now? at jQuery UK 2013 (video of the talk), but instead of my usual approach of post-it explosion on my desk, I wrote a post first, and created the slides from the post. So here is my (fairly unedited) quasi-ramble on how I used jQuery, and how I'm looking at where I'm using native browser technology. Addition resources As this post was also the content for a
CORS isn't just for XHR
Cross Origin Resource Sharing (CORS) is what allows XHR (i.e. Ajax) requests to go cross domain. It's a simple header response to the XHR request that says "yes, you can complete your request", looking like this (if we allowed any client to place an XHR request against our service): Access-Control-Allow-Origin: * Should you be adding this header to your existing API services? Yes. If you want more
Dynamic favicons
Google Calendar released a new favicon which prompted a few mentions from friends on Twitter. The first, probably more important was from Cennydd: New Google Calendar icon most un-Googley. I like it. Then Danny pitched in with: I see Google Calendar has a new icon. They could use the current date rather than "31" though So let's fix that shall we? UK EVENTAttend ffconf.org 2024 The conference for
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