// archives


This category contains 12 posts

Group Lunch 2.4 for iOS

Group Lunch is the easiest and fastest app to split lunch bills and calculate tips. New in version 2.4: – Email your calculated bill. – Default settings make it even faster. – Double tap the logo to send us suggestions or request support. Every team eventually goes to lunch and splits the bill. It seems […]

I rewrote the Group Lunch App in Swift for 2015

Waaaay back in 2010, I wrote an iPhone app called “Group Lunch.” It’s a really simple and easy to use utility for groups to split the bill and avoid all the usual chaos and mayhem of how much to pay. Versions 1.0 – 1.2 were written in Objective-C. The original app included a custom keyboard […]

Use MySQL to generate a tiny url style string

We all appreciate getting small urls and the most famous link generator is http://tinyurl.com/. They do a perfect job of creating shortened URLs using random strings. The idea is pretty simple. Create a string of N char length and use it as key to reference a value. Perhaps it’s a URL or a document or […]

XtraDB Cluster on CentOS 7

Setting up XtraDB Cluster (aka Galera) is straight forward…or so I was told. To do this correctly, there are some tricks. Some published. Some disparate. I’m going to save you HOURS of Googling for answers and break down the process here. Just know that from version to version, dependency changes have a HUGE impact. I […]

Finding duplicate rows in MySQL

I saw this question online reading “How do I identify duplicate rows in MySQL” and it’s been gnawing at me so here’s my approach: Make a duplicate of your subject matter CREATE TABLE a2 LIKE a1; INSERT INTO a2 SELECT * FROM a1; Add a ‘checksum’ column to the new table ALTER TABLE a2 ADD […]

I started making this iOS game with Sprite Kit

Side benefits of jet lag + general insomnia include lots of time to learn new things. I decided it was time to learn Sprite Kit by making a game for my 2-year old to play on my iPhone. I call it “Say Shapes” – Here’s progress after 4 total hours.

Apple’s One Timezone planet

At midnight, the world timeclock gets label panic. Don’t ask me how I know…

Yahoo! mail fail

We’re Sorry.

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