Daniel Vassallo questions

Daniel Vassallo answers

• Altering table's unique field
• Best option for Google App Engine Datastore and external database?
• Javascript asynchronous function
• Birds on the trees in the background
• Getting DATETIME for rows inserted/Modified
• Making AJAX requests when a Map is changed by the user with the Google Maps Javascript API
• HttpWebRequest and Uri change requestUri
• Maximum number of columns / values you can INSERT INTO a table - mysql
• logging MySQL response from PHP page
• Does MySQL use existing indexes on creating new indexes?