Sorted:

Struct vs test double in ruby-Collection of common programming errors

problem about translation-Collection of common programming errors

problem about error-messages-Collection of common programming errors

problem about entity-field-queries-Collection of common programming errors

Changing Ubuntu locale settings by GUI crashes the accounts-daemon-Collection of common programming errors

Column not found (nid) in on clause, using i18n, entityreference, field_sql_storage-Collection of common programming errors

i18n 1.4: Use of undefined constant MENU_PREFERRED_LINK [closed]-Collection of common programming errors

How to limit Entity Reference to only allow referencing of nodes with the same (or undefined) language?-Collection of common programming errors

problem about entity-reference-Collection of common programming errors

views,modules,i18nRelated issues-Collection of common programming errors