The Devign Path

Mercurial tips

I have been using Mercurial as my version control system for a while now. Here are some pointers I picked up along the way. Mercurial won’t forget files! ‘hg forget <filename>’ returns ‘No such file or directory’ Although Mercurial can (…)

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How to deploy an iOS application using an ad hoc distribution

Go into www.developer.apple.com > Login > iOS dev centre > Provisioning portal In Provision > Distribution generate a new profile using "ad hoc" distribution Download the provisioning profile. Add it to iTunes using drag and drop or File > Add (…)

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Test Driving TDD

I have become inspired and convinced by the idea of test driven development. Kent Beck said it best when he said - We write code because that is our work and we write tests so that we know when we (…)

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Forbidden words in JavaScript

JavaScript has 3 forbidden words - With In Eval Eval is generally understood to perform poorly and to be unsafe. But what’s so bad about ‘with’ and ‘in’? With It is sort of a quirk with JavaScript where the scope (…)

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Internet World – Earls Court, London

It has a cheesy name but there is a trade show event in London next week called – Internet World. The site doesn’t use comic sans anywhere and the speakers include Google, eBay, Microsoft and other trend setters. I won’t (…)

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Synchronize vim using Dropbox

If you don’t know what Dropbox is, where have you been? Here’s how I use Dropbox to synchronize my vim installation on Windows XP at work and Windows 7 at home. If you don’t know what vim is, don’t worry (…)

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Wrangling with SQL regular expressions

I have been doing some data wrangling recently. One problem I worked through was how to find all the instances of a new line character that had made it’s way into our database. After some researching the query looked like (…)

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404 Errors on your WordPress blog posts

If you start getting 404 errors when you click your posts in your WordPress blog try this Log into the dashboard Go to settings Change the permalink structure. Try those links. They should be working now. Change the permalink structure back (…)

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AJAX cross-domain request using iframes

I had a situation where I had to send a form to a 3rd party email subscription management thingy. But every time I posted the form using jQuery the browser was killing it because of cross-domain restrictions. I asked around (…)

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Google Chrome Extensions–short development primer

I think a browser extension is the best place to get started because it’s easier to see immediately how an extension ties together. To create a “hello world” browser extension we’ll need - manifest.json The properties of our extension are (…)

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