Alok Notes

Defensive programming is a form of defensive design intended to ensure the continuing function of a piece of software under unforeseen circumstances. Defensive programming practices are often used where high availability, safety or security is needed — Wikipedia Defensive programming techniques are used especially when a piece of software could be misused mischievously or inadvertently to catastrophic effect. # Defensive programming is an approach to improve software and source code, in terms of: # General quality – reducing the number of software bugs and problems. # Making the source code comprehensible – the source code should be readable and understandable so it is approved in a code audit. # Making the software behave in a predictable manner despite unexpected inputs or user actions Key points in order to achieve a Defensive Programming approach.These are as follows. 1.Don’t trust developers 2.Never trust user input 3.Use database abstraction 4.Don’t

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