user198729 questions

• How to change from mysql to pdo using prepared statements in PHP?
• How to implement nested namespace in PHP?
• How to match 2 out of "1,2,7,9,13,3,10,4,21,6,12" in MySQL?
• How to implement exchange rate in PHP? [closed]
• How to implement a service that can output formula with tex parameters?
• How to understand .def files?
• Which directories does include statement search in C/C++?
• How to make PHP output a sound (beep)?
• Can you explain what's association relation in database?
• How to implement a calendar like google's with jQuery?

user198729 answers