Electronic Engineering Blog


Calculator in Apple’s OS X El Capitan cannot perform basic maths!

I have discovered that the Calculator app that ships with OS X El Capitan cannot do some pretty basic programmer’s maths. Being able to add and subtract in Base 10 (decimal) and Base 16 (Hexadecimal) is a pretty basic requirement of any programmer’s calculator. Developers use these number systems all day long, and the Calculator App […]


How to solve Apple’s Pro Video Formats 2.0.1 constant update loop.

A software update which was made available by Apple earlier this month causes some users machines to get stuck in a constant update loop. As soon as you install the update it re-appears as available for update. If this affects you, then there is a simple solution.


What makes apple’s new watch tick?

Want to know what makes Apple’s new Watch tick? Then read on to take a look inside.


Apple’s new SpaceShip building takes off. (Video)

Construction work on Apple’s new “SpaceShip” headquarters building has begun, demolition is complete and the new circular campus building is beginning to rise from the ground. This video shows where it’s up to so far, and you can also see the huge car park building. Continue reading to see the video.


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mDNS / Bonjour tool for OS X Now Available in App Store.

My new mDNS Tool for Mac OS X is now available in the Mac App Store. View it on the App Store or search the Mac App Store for “mDNS Tool”. The tool allows you to browse and find all the mDNS / Bonjour services and devices on your network. Bonjour is Apple’s name for their implementation […]


Logitech M570 Teardown and Repair

The Logitech M570 is one of very few thumb-operated trackballs on the market. For anyone, like me, who suffers from RSI in the wrist, it is an ideal replacement for a mouse as it removes all the moving back and forth – your wrist stays in one position and does not move when using it. […]


Setting up the root user in Mac OS X

For information on how to enable the root user in Mac OS X Mavericks, see this tech note from Apple: http://support.apple.com/kb/PH14281 And for doing the same with OS X Mountain Lion, see this tech note: http://support.apple.com/kb/PH11331  


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Backing up my BugZilla database

Now that I have bugzilla set up, my clients are starting to use it. It’s a very useful tool for logging bugs, feature requests and test results. The clients get kept up to date on what I’m doing, and I don’t have to remember every thing as it is all kept in the database. That […]


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Installing BugZilla on OS X Mavericks – Updated

Finally I have gotten round to finishing the install of BugZilla on OS X Mavericks (OS X 10.9) and I’m pleased to say it is working well. There were several hurdles along the way, but the main one which kept bugzilla from running was that the MySql library, required by perl to access MySql was […]


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