alvin alexander
alvin alexander

2021 cookbook


   #1 new release!

Sun, May 26, 2002

By Alvin Alexander. Last updated: June 4, 2016

A quiet little Memorial Day Sunday so far. Had a fun problem with Postgres yesterday. Here's a little ditty on what to do when you get the nasty "duplicate key" error message, and you know it's wrong.

page-1
duplicate key
error message
index
postgresql
  • Postgresql index: What to do when a Postgresql index count is wrong
  • Postgresql backup - How to dump a Postgresql database
  • Wed, May 1, 2002
  • How to run JRuby from a Ruby script on a Windows PC
  • Privacy Policy

books i’ve written

  • Laminar 101: A “Hello, world” example (static)
  • How to read “difficult” Scala method type signatures
  • Quotes about work and Zen (practicing Zen at work)
  • MCAS/MCAD: What an activated mast cell looks like
  • A User Story Mapping Example Using Facebook
Links:
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alvinalexander.com is owned and operated by Valley Programming, LLC

In regards to links to Amazon.com, “As an Amazon Associate
I (Valley Programming, LLC) earn from qualifying purchases”
 
 
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