Reading Time: < 1 minute Refer to Apple, and redmondpie. It’s slightly cheaper to buy iPhone from US and use it in China. The trick is to figure out which one to buy, because not all models can be used smoothly in China. Some of the models are designed towards the US carriers (e.g. the T-mobile version). Here are the
Reading Time: 2 minutes I did a switch from iPhone 5s to Amazon Fire Phone about a week ago. This is not the first time I switched from iPhone to Android (Nexus 4), I did a switch for a few months in Summer 2013. It was ok, but I really missed iPhone for some of the features, and its
Reading Time: 2 minutes I decided to upgrade to iOS 7.1.3 to iOS 8 recently due to the t-mobile wifi calling feature which is only available on iOS 8. Previously I tried to delay the update due to the main reason: my iPhone 5s is almost full and I need to back up and delete photos. I know people
Reading Time: 2 minutes I was a bit late doing this, but I think better late than never. Family and Personal Finance We had baby (girl) No. 2 in the summer, baby Sophia is healthy and happy for the most part. I had to be honest, having 2nd kid is not as thrilling as the 1st. With the birth
Reading Time: 2 minutes With (before) the release of iOS8, I noticed the iTunes Connect web interface has also been changed. But today is the first time I submit my app (update) to the store for last few months. There are some changes. 1) First, there is no “ready to submit app” button in the iTunes Connect, instead we
Reading Time: < 1 minute Here is my theory. Years ago I heard people in China mentioned “Apple Phone” (苹果手机), for iPhone. This is particularly true for older generation as their grasp of English is not as good as younger generation. So this time they decided just go with Apple Watch 苹果手表. Note this is also their fourth main product
Reading Time: 2 minutes (Note 12-03-2015): for a more deep understanding of REST API and iOS usage of it, see this blog post by Mugunth Kumar. Very well written piece on REST. My tutorial below is meant to get hands dirty quickly on iOS web service calls 🙂 (Original 09-03-2014) Some example code here. For GET methods and AFNetworking
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 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: < 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,
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