41 ODK (Open Data Kit)

by justinaid

42 Paypal Buttons Logic

by rafaelfragosom

45 Flexible Task DB Model

by sshefer

46 Add field or no...

by l0pez

53 Unusual login system

by suburbiaboy

61 Securing and API

by jtomasrl

63 modeling of a login system

by talhait07

65 REST, multiple id's

by bg000331

66 basic application design

by echobase

71 Model Setup Questions

by jdkuepper

72 observer pattern

by houdiniwater

73 Database when using an API

by turtleHacker