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The Ji Village News

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  • Java regex Matcher’s first group is the whole pattern

    I didn’t realize that Java’s regex class, Matcher, uses m.group(0) to denote the entire pattern. I spent some time debugging it. Hence this note. As is stated in the documentation, “Capturing groups are indexed from left to right, starting at one. Group zero denotes the entire pattern, so the expression m.group(0) is equivalent to m.group().”…

    October 20, 2016
  • Xi’s China is really progressive and impressive

    Below is a comment I made regarding Chinese leader Xi Jinping on Kaiser Kuo’s Facebook page, with very slight change. In my view, domestically, China under Xi is on the right path, unlike, say, Brazil, India, and the United States. I believe Xi’s a real believer of socialism and a real progressive. I believe his…

    September 29, 2016
  • Changing non-nullable column to nullable in SQL Server is quick and painless

    In T-SQL, you can only ALTER COLUMN one at a time. Initially I was worried about operational cost of this change, but it turned out this change is instantaneous. Mind you, I’m not suggesting you should do this without a good reason.

    September 18, 2016
  • UMDC: Recommended

    I learned about Quincy Carroll’s debut novel, Up to the Mountains and Down to the Countryside, through Jocelyn Eikenburg’s wonderful blog. I really enjoyed it! Quincy Carroll’s levelheaded and nuanced depiction of the two main characters’ experience in China gave us a wonderful, honest perspective that was rarely offered in similar novels, memoirs, or news…

    September 5, 2016
  • No 32-bit for SQL Server 2016 Express

    I’ve learned that SQL Server 2016 Standard and Enterprise Editions no longer provide 32-bit. But I do wonder about SQL Server 2016 Express Edition. It’s different in that it’s free, and mostly geared toward lightweight usage, people who are learning, etc. So perhaps it still offers 32-bit? After some upgrade work to one SQL Server…

    September 1, 2016
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