Nick Lewis questions

Nick Lewis answers

• Git rebase commit selection
• Merging databases how to handle duplicate PK's
• Tinyurl-style unique code: potential algorithm to prevent collisions
• Faster to malloc multiple small times or few large times?
• Rspec: How to test recursion?
• Is it acceptable to use tricks to save programmer when putting data in your code?
• Why is comparing against "end()" iterator legal?
• How can I append the content of one map to another map?