WilliamLou questions

• difference between these two mysql queries?
• question about InnoDB deadlock in MySQL?
• how to exhaust memory?
• MySQL InnoDB lock question
• Upgrade PHP to 5.2.12 on CentOS using yum
• what's the best ecommerce plugin for wordpress? [closed]
• Simple question about C++ constant syntax
• initialization for STL priority queue
• create js array dynamically?
• How to prevent users' interaction when waiting for ajax's response?

WilliamLou answers