good_evening questions

• What does the information of XOR of two cipher texts in one-time pad gives me?
• Do I need to protect login?
• How to transfer big .txt file to MySQL?
• Delete this object inside the class
• Are there any jQuery functions or plugins for comet on apache?
• How many fields is normal to have in one table?
• What is the point of replace function in Memcache?
• Can two or more queries be executed at the very same time?
• How can I put two queries in one mysql_query?
• Firebase get key value

good_evening answers