Specifically, a header should have header guards and include all other headers it needs. If a template or inline function is declared in a .h file, that same header should provide its definition. The common in the past, but is no longer allowed. As an exception, a template that is explicitly instantiated for all relevant sets of template arguments, or that is a private implementation detail of a class class, is allowed to be defined in the one and only .cc file that instantiates the template. There are rare cases where a file is not meant to be self-contained, but it is meant to be included at a specific

 Given predefined template, changes not permitted  SIGMOD/PVDLB: 12 pages + unlimited references  ICDE: 12 pages incl. references  #1 Avoid Cheating  Don’t change the template, fonts, or margins

of papers  #1 Write short summary paper (#pages = 2 * team-size, written in LaTeX, ACM acmart template, document-class sigconf, PDF)  #2 Prepare and present talk on paper summary (7min + 3min Q&A)

of papers  #1 Write short summary paper (#pages = 2 * team-size, written in LaTeX, ACM acmart template, document-class sigconf, PDF)  #2 Prepare and present talk on paper summary (7min + 3min Q&A)

called indirectly to ensure methods overridden in subclasses are called by the property (using the Template Method DP). Yes: import math class Square(object): 10 """A square with two properties: a writable