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Yesterday, my father told me he needed to install Microsoft Word on his laptop to work on his doc file.I told him to use Google Docs, because it is easier to use, cloud-based, and syncs automatically.I set up his doc file in Google Docs, and… When I type anything in the doc file, it takes seconds to see it on screen...

Modern computer hardware is so capable that we can often simply ignore its limitations when writing code. Conceptually though, any function that allocates memory is inherently context-dependent: its outcome depends not only on the arguments passed in but also on the amount of contiguous RAM the system is able to gra...