Dueling Banjo's Syndrome
A term used in describing bugs or errors in software. When using two (or more) external libraries, api's or systems that operate against the same area of concern, it is possible that they will not play well and cause very hard to trace errors.
jQuery and Angular.js both working against the same piece of the DOM. jQuery's cached version may not update in the rendered output because Angular has replaced the DOM object with another version, severing the connection that jQuery had. jQuery and Angular.js can cause Dueling Banjo's Syndrome.