Login | Register   
RSS Feed
Download our iPhone app
Browse DevX
Sign up for e-mail newsletters from DevX

By submitting your information, you agree that devx.com may send you DevX offers via email, phone and text message, as well as email offers about other products and services that DevX believes may be of interest to you. DevX will process your information in accordance with the Quinstreet Privacy Policy.

Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Intermediate
Feb 23, 1999



Application Security Testing: An Integral Part of DevOps

A vector<Base> Should Not Store Derived Objects

A vector stores its elements contiguously in memory (although this is not a requirement in the Standard, in practice, all implementations use contiguous storage). Consequently, each element in a vector must have the same size. Since a derived object may have additional members, its size may be larger than the size of its base class. Thus, storing a derived objects in a vector<Base> should be avoided because it may cause object slicing and memory overruns, with disastrous results at run time.
Danny Kalev
Comment and Contribute






(Maximum characters: 1200). You have 1200 characters left.



Thanks for your registration, follow us on our social networks to keep up-to-date