Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A reference card or quick reference card is a concise bundling of common syntactic rules and idioms of a particular formal language. It serves as an ad hoc memory aid for an experienced user. In spite of what the name reference card suggest, the term only tends to be used in the na ...Full description
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A reference card or quick reference card is a concise bundling of common syntactic rules and idioms of a particular formal language. It serves as an ad hoc memory aid for an experienced user. In spite of what the name reference card suggest, the term only tends to be used in the narrow context of programming languages or markup languages. However, this concept is now being adopted to portray concise information in many other fields.