May 2015
Intermediate to advanced
274 pages
5h 11m
English
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Chapter 7. Playing with Globals
Sometimes web applications require application-wide objects that live beyond the request-response life cycle, such as database connections, application configuration, shared objects, and cross-cutting concerns (authentication, error handling, and so on). Consider the following:
- Ensuring that the database used by the application is defined and accessible.
- Notify through e-mail or any other service when the application is receiving unexpected heavy traffic.
- Logging the different requests served by the application. These logs can later be used to analyze user behavior.
- Restricting certain facilities on the web application by time. For example, some food ordering apps take orders only between 11 a.m. to 8 p.m., while all ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.