Nicolai questions

Nicolai answers

• Convert PostgreSQL array to PHP array
• Database Deadlock in SELECT FOR UPDATE
• Compare and contrast interfaces in Java and Delphi
• How to use FileChannel to append one file's contents on to the end of another file?
• PostgreSQL Query to select data from last week?
• Loop diagonally through two dimensional array
• How to determine if NULL is contained in an array in Postgres?
• PHP: How to check if a date is today, yesterday or tomorrow
• How to read a .properties file which contains keys that have a period character using Shell script