Reading Time: < 1 minute I just throw some technical questions out here. Note Ray Wenderlich has a series on this. BlackPixel has an article too. life cycle of UIViewController; NSString property copy or retain? frame vs bounds category vs subclass What is protocol (Apple doc; Ry’s Objective-C tutorial)? Create a protocol for List, and how to implement the “add”

Reading Time: 2 minutes Target is offering $20 gift cards for 2 giant packs of Pamper or Huggies diapers. With the expiring $10 off $40 store pick up offer from target.com, that makes 2 giant packs from about $70 to $40. With Target red cards, there is 5% discount as well. Personally I picked up Huggies little snuggler size

Reading Time: < 1 minute Twice The first time, call originated from this number 1 844 540 4033, the guy not even verified my name, and told my Southwest Air Credit Card is stolen, then started reading about those “fraudulent” charges. At the end, I asked the last 4 digits of my card number, that does not match; and I

Reading Time: 2 minutes We all know updating sqlite database on an existing iOS app could be tricky, esp. with any schema (table) changes. In the good old days when I was developing in-house app, I found out the app would crash when I added a column to the sqlite database, after merely updating the app. The problem was,

Reading Time: 2 minutes Dos and Don’ts in the social media age Recently the Facebook “lab rats” testing for its “news feed” is the news (see this one at Guardian). I gave it some more thought and since I’ve thought about this privacy thing before, I’d like to share some of my thoughts. We all knew (hopefully heard about)

Reading Time: 2 minutes We go to Berine Park a lot, we meant mostly Serentity and myself, sometimes my wife will also go. The main reason is it’s so close to our home, across the street from Olive blvd, and 2 to 3 minutes driving. It’s across the street from the Spoede Elementary School, if everything works out as

Reading Time: 2 minutes I found out this site was hacked yesterday evening, as I saw the loading of site on Safari was slower than usual. It also shows incorrect theme, more like a plain theme. With the admin link redirect to spammer site. I decided to tackle it right away. I recall about one year ago something similar

Reading Time: < 1 minute The good news is if one searches “kids St. Louis” in iTunes App Store, my app To Market will show up between six flags and magic house. The bad news is, after spending hours trying to add the feature of “add to calendar”, the app crashes if one tap that button 🙁 🙂

Reading Time: 2 minutes I have thought about this topic for a long time. I remember seeing at one place that an exceptional developer can do work usually done by 10 developers. Or in other words, he/she is a rockstar developer. Besides productivity, I think rockstar developer has the following traits: 1) Willing to share the knowledge with fellow

Reading Time: < 1 minute Dont’s Beat up people in code review or interview; Change other developers’ code without proper communication, or reasoning; worse, making the working code no longer work (sometimes to satisfying the “tests” 🙂 Do’s Learn, learn something everyday; Acknowledge our own limitations: acknowledge our mistakes if applicable, we all do make mistakes; In the same token,