Go Struct and Field validation, including Cross Field and Cross Field Cross Struct validation
Mask on an input field so the user can only type pre-determined pattern
general fieldpapers discussion
Directives for angularjs field validation
Django Standarized Image Field
Popup a textinput field to input text using IM (ibus, scim) in Sublime Text 2 under Linux.
Galois Field Arithmetic Library in Scala.
Field Mappings Between Values Occuring in the IATI Registry and Official IATI Code Lists
Image upload/editing for ExtJS 4 htmlEditor field