Prevent H12 and H15 errors when deploying Socket.IO on Heroku
Your metrics and logs start throwing rows of H12 - Request timeout and H15 - Idle connection… Why?
Writing on software engineering, AI, and building products.
Technical articles, random musings, and reflections on programming, architecture, and product development, collected in chronological order.
How to Stop iCloud Calendar Invite Spams
Apple’s iOS and macOS users have been receive a lot of iCloud Calendar invite spams, here’s how to stop it.
The Bitcoin Experiment
We techies are infamous for our obnoxiousness and it’s not hard to see why. We detest existing solutions and claim to have better ones for everything. We felt...
Highlight with Gesture Recognizer
You couldn’t highlight your view when user is touching down using tap gesture. This UX crime make your app feels inconsistent and less polish.
Why Successful Habits Are About Structure, Not Effort
Tony Stubblebine, CEO of Lift, provides a hypothesis about achieving goals in an interview with Fast Company, which closely resemble my personal approach. The...
The Many First Years
Yancey Strickler wrote an answer on Quora about the many first years of Kickstarter: For Perry this was the culmination of nine years of dogged persistence and...
Status Bar Style Remains Unchanged
If you are wondering why your status bar style remains unchange when you push or present modally your view controller, here’s a checklist that might help you debug the issue…
Completing my first MOOC: Computational Investing, Part I
I always have an interest in the intersection between finance and computing as I have describe it in brief 2 years ago. But my personal and career advancement...
Slides: A Primer to Unit Testing and Continuous Integration in iOS
Many thanks to Ivan for taking the photo. Earlier this week, I gave a talk at the April 2013 meetup event of iOS Dev Scout. It was my first public speaking, so...
Shit Programmers Get Into
Patrick Wyatt wrote about his experience developing Starcraft in Tough Times on the road to Starcraft and it isn’t pretty at all.
Quote from Doug McIlroy
We should have some ways of coupling programs like garden hose -- screw in another segment when it becomes necessary to massage data in another way. This is the way of IO also.
Walking the Talk
Apple gets a lot of ignorant hate, and a lot of ignorant reverence. Let me give some informed reverence for one area where they kick so much ass: accessibility.
Reflect 2011
Some notable milestones I have achieved in the year 2011.
The Trap of viewDidUnload
Warning! As of iOS 6.0, viewDidUnload have been deprecated . Issue We are often taught to balance out the calls in programming, especially coming from a manual...
Keeping Index Within Bounds
Issue We often have to deal with a list of items while managing its selected index. This is a fairly common pattern and one not too difficult to accomplish....
Recommendation: Yale Financial Market Course
This course is offered through Coursera now! I have finished listening to the Financial Market lectures from Yale, available freely in iTunes (video link,...