Author Archives: Robert

The mysterious read-only vim file

My standard text editor is Vim (now 8.X). When Vim is set up correctly for my language environment, it is a reliable workhorse that does pretty much what I want. However, there is one glitch I have run across more … Continue reading

Posted in Software | Comments Off on The mysterious read-only vim file

The first week of online classes

A big thanks to my Chi Nan students for their enthusiastic participation in our first week of online classes. And an even bigger thanks to my TA Hsin-yi for her help in setting up the Big Blue Button on Moodle … Continue reading

Posted in School | Comments Off on The first week of online classes

New and improved Xampp cannot create file xampp-control.ini

A new computer running windows 10 and lots of updated software, what more can you ask for? A bottle of aspirin to go with it. The headache today is perhaps not the fault of windows 10. It is due to … Continue reading

Posted in Software | Comments Off on New and improved Xampp cannot create file xampp-control.ini

Windows 10: My 19th nervous breakdown

My old computer (5+ years) now shuts down without any warning every 5 to 20 minutes. There may be a fix for this, but I have decided to bite the bullet and get a whole new system. The old system … Continue reading

Posted in Quotidiana, Software | Comments Off on Windows 10: My 19th nervous breakdown

Welcome back! Spring semester 2021

Hope all my Chi Nan students had a good break and have signed up for the classes you need. Make sure you add before the deadline! It was a busy week for me, I’m still setting up the moodle pages … Continue reading

Posted in School | Comments Off on Welcome back! Spring semester 2021

A Chinese controversy at USC

[I will continue adding links to this post as I find relevant material on-line.] This is a post about an unusual controversy in the United States over the use of the Chinese language in teaching. The controversy occurred at the … Continue reading

Posted in Linguistics | Comments Off on A Chinese controversy at USC

Welcome to Chi Nan’s fall semester 2020!

At last an update, just in time for the beginning of the new semester! Welcome here to the new students, welcome back to the old.

Posted in School | Comments Off on Welcome to Chi Nan’s fall semester 2020!

Made it through the mid-term

Finally reached the halfway point in this tricky semester. We have been lucky to keep meeting in class as usual, except for our classmate who has not been able to come back from winter break in Macau. Don’t worry, we … Continue reading

Posted in School | Comments Off on Made it through the mid-term

Welcome back to the spring semester 2020!

After an extra week of vacation (which we will have to pay back at the end of June), we have made it through the first week of the new semester. Welcome back everyone, and for our students/classmates who are still … Continue reading

Posted in School | Comments Off on Welcome back to the spring semester 2020!

Group on table joins

This is one of the more confusing issues of table joins. To make it extra confusing, try an outer join: Select * from ta as a left outer join tb as b on a.key = b.key Both tables have duplicate … Continue reading

Posted in Programming | Comments Off on Group on table joins