gipsy questions

gipsy answers

• How do I protect urls I use internally for push queues in Google App Engine?
• Why the below program, without a sleep go to deadlock state but with sleep it executes all the three threads and terminates normally?
• Round down datetime to previous hour
• Can not save/update entity using JPA in spring
• How to parse a YAML file with multiple documents?
• Sending image over sockets (ONLY) in Python, image can not be open
• Implement find/find next algorithm
• How define constructor implementation for an Abstract Class in Python?
• pubsub alternative in golang