Since this came up on meta, here’s our official policy towards non-English questions on Stack Overflow, Server Fault, and Super User.
(note that I say “programming” below, but this policy is the same across all the sites — when reading, you should substitute the actual topic of the site you use, e.g. “sysadmin topics” for Server Fault, etc.)
It is not, nor has it ever been, our goal to be the one place in the world for all programming information in every possible human language. …