Reading Time: 3 minutes I have thought about this for a while, especially after hearing about republic wireless $25 month plan from my friend Luke and H2O wireless (thanks to mitbbs penny savers forum). Previously I only heard about the StraightTalk $50 plan ($45 now, it appears T-mobile also dropped its $50 plan to $40). A little background, I
Reading Time: < 1 minute Came across a strange problem this week using a web service from 3rd party. It’s a soap based web service. When we pass the XML with the required data elements in certain order, it works. If we did not follow that order, it complains invalid parameter or something. I guess in the code they have
Reading Time: 2 minutes I am starting a series of “Sustainable software development” blog posts. Like many series I did in the past, it could be a series of one and only, or it could be a true fall classic (WS series). Back to the topic, I have been doing software development for almost 15 years, been through many
Reading Time: < 1 minute A collection, I will add my comments later. Symptom: PermGen run out of space Memory leak Overview (Mark Thomas) http://people.apache.org/~markt/presentations/2010-11-04-Memory-Leaks-60mins.pdf Memory leak happened in multiple deployment (more likely happens in development) http://stackoverflow.com/questions/7788280/memory-leak-when-redeploying-application-in-tomcat Tomcat 7 (Mark Thomas) http://java.dzone.com/articles/memory-leak-protection-tomcat quote… Application or library code that can trigger this situation include: JDBC driver registration Some logging frameworks Storing
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 have been doing programming for over 14+ years, and from time to time I did pair programming (mostly debugging problem). Since early last year I have been doing more pairing, mostly due to the hints from above. I have mixed feeling on this, mostly along the lines of advantages of disadvantages talked about here
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 I did an experiment recently trying to move my wordpress website from a shared hosting site to Amazon aws ec2 micro instance (t1). The migration was mostly successful, I did not make the move eventually due to some technical and non-technical reasons. Nonetheless, I would like to share some of the lesson I learned from
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: 2 minutes It seems the wifi router comes with AT&T u-verse does not work with Apple TV. Apple TV could not find the wifi network from the build in u-verse wifi router. I found one workaround, that is to turn off the build in Wifi, use an old wifi router (D-Link DI-524) for Wifi instead. But there
Recent Comments