I am building a new app in swift, of course, I used the core data. That is a kind of standard ORM in iOS and xCode is fully support that. There are a nice UI to do that. Moreover, it can generate the class in Swift or Objective-C. You only need to open… more »

This week, I installed Visual Studio 2015 in my laptop. Then all of websites I build which is running .Net Framework 4.5 or 4.5.x are not working. They got .net framework error Error 255 and it cannot execute vbc.exe. I did a lot of research. There are… more »

I used a lot of free wordpress template and plug-ins. They are good. But in some situations, especially, the templates and plug-ins are not from wordpress.org. They are from some random websites. You have to be very careful. You have to check them very… more »

Recently, I got a few desktops and laptops have a same problem. Suddenly, they cannot boot up into windows anymore. After the power is on, they entered a loading screen of windows, after a minute,it restarted itself. This situation repeated a few times,… more »