get additional input. Header Files In general, every .cc file should have an associated .h file. There are some com- mon exceptions, such as unittests and small .cc files containing just a main() function use of header files can make a huge difference to the readability, size and performance of your code. The following rules will guide you through the various pitfalls of using header files. Self-contained Self-contained Headers Header files should be self-contained (compile on their own) and end in .h. Non-header files that are meant for inclusion should end in .inc. 3 All header files should be self-contained

Line length Parentheses Indentation Blank Lines Whitespace Shebang Line Comments Classes Strings Files and Sockets TODO Comments Imports formatting Statements Access Control Naming Main Important Note Use default iterators and operators for types that support them, like lists, dic- tionaries, and files. Definition: Container types, like dictionaries and lists, define default iterators and membership Decision: Use default iterators and operators for types that support them, like lists, dictionaries, and files. The built-in types define iterator methods, too. 7 Prefer these methods to methods that return

Miguel Branco, Stratos Idreos, Anastasia Ailamaki: NoDB: efficient query execution on raw data files. SIGMOD 2012 Paper Project Proposals 31 706.015 Introduction to Scientific Writing – 01 Introduction

contains (of which there is exactly one), plus the .java extension. 2.2 File encoding: UTF-8 Source files are encoded in UTF-8. 2.3 Special characters 2.3.1 Whitespace characters Aside from the line terminator