Reading Time: < 1 minute This is from reddit. “…open a blank workbook in excel, then from the Data tab, under the “Get External Data” setting, choose “from text” and point it to your file. This will open the text import wizard. On the first step, choose “delimeted” and then “Next.” On the second, select the checkbox next to “Comma”
Reading Time: 2 minutes Rewrite Developers usually like new project, sometimes called green field project, in the sense developers have more freedom to create (think of a white paper). In the same token, from time to time people will start a “full rewrite” project as the old project (code base) is “so messed up” and beyond repair. Is that
Reading Time: 3 minutes I changed job again recently, to be more precise, I made the change at beginning of the month. So today marks the conclusion of first 3 weeks. I felt fairly good so far, both in terms of environment and the work. It’s a bit different from what I did in last few years, as 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 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 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 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 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
Recent Comments