MadCoder questions

MadCoder answers

• Interview question: f(f(x)) == 1/x
• Delphi C++Builder to VisualStudio
• How do I access the state of individual bits of a word in MIPS?
• Most efficient way to find the closest integer in MySQL?
• Why is using a mysql prepared statement more secure than using the common escape functions?
• Has anyone gotten plperl to work with Postgres 9.1 on Windows?