When a recruiter makes an unsolicited call. Becomes all chummy and then when you tell them that you’re not looking, they have the cheek to ask you for references for *insert common buzzword here* and expect me to divulge information about contacts.

When you change team, and you're trying to figure out why the system doesn't work as expected. Then you find out, someone disabled the unit tests.

To the developer who was kind enough to complicate matters by using Java 8 Time and Joda Time in the same constructor. Please reconsider your life choices

Spent a whole morning trying to make a unit test work only to find out it didn't work because of duplicated code.... Fml

Went to a .NET developer interview a few years ago, the first question that was asked: "Who invented Linux and why?" My reply "Why is this even relevant?"

Know your Java from your CSS....

I feel bad for the stack overflow developers, because when it goes down, who can they turn to for help?

When you work for a week day and night to compete a feature, because top management said it's the highest priority. Then when you're about to send it off to test, they tell you it is no longer required.

When you start a job and you're used to using IntelliJ but the whole team uses eclipse