Tim Gautier questions

Tim Gautier answers

• Querying and grouping in mongoDb?
• DYMO Label Web Service Printing Slow
• Deleting a single object from an array of objects in MongoDB
• Why is this mongo sort not working in PHP?
• The schema caching in Yii
• What's the cleanest way to get a checksum of a multidimensional array?
• Why does sbt fail with NoClassDefFoundError: play/Play$ in Play 2.2.x projects after sbt compile in Play 2.3 project?
• Express 3.0 req.flash?
• Storing some small (under 1MB) files with MongoDB in NodeJS WITHOUT GridFS
• Using .tupled method when companion object is in class