I have a couple of thousand playerid's
Each playerid has (for now) two records; one for round=1 and one for existing round (10 in the example).
I need some update sentence that goes though all my playerids where round=10 (existing round) and alter gain to last quality subtracted first quality, hence sets gain=2 in the last of the two records...
This is how I want my second record to look:
gain: 2 <- different
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern:
This is a high-level webinar that covers the history of enterprise open source database use. It addresses both the advantages companies see in using open source database technologies, as well as the fears and reservations they might have.