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reusing code

 
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reusing code
jediokie
post 15 Mar, 2008 - 08:49 PM
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I have noticed a reoccurring theme in my Programming I course. That is we really reuse many of the same code snippets to do multiple assignments. Is this because it is a real world situation when you code? Or, is it just that there is not a lot of variety with ANSI C?
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no2pencil
post 15 Mar, 2008 - 08:52 PM
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QUOTE(jediokie @ 15 Mar, 2008 - 08:49 PM) *

I have noticed a reoccurring theme in my Programming I course. That is we really reuse many of the same code snippets to do multiple assignments. Is this because it is a real world situation when you code? Or, is it just that there is not a lot of variety with ANSI C?

When you get paid by the hour, you can rewrite stuff as much as you like. However, when you have a dead-line, you'll be a copy-&-paste fool!

It's been my experience that you only want to reinvent the wheel so many times. Chances are, the next time you might miss something, or accidentally let a bug slip by. If it works, use it.
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Amadeus
post 15 Mar, 2008 - 09:06 PM
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Reusing code is one of the main goals behind the concepts of functions, objects, and data structures. That is efficiency, in any language. Any programmer worth his salt should be reusing code wherever possible (and appropriate).
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PsychoCoder
post 15 Mar, 2008 - 10:43 PM
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Reusing code is the sign of a quality programmer, as Amadeus pointed out. From my years as a programmer I have amassed tons of code snippets I use everywhere. Once you find code that works, and works efficiently make sure to keep that piece of code in a safe place for later use.

As no2pencil pointed out, there is no need to reinvent the wheel every time you need a piece of functionality. As your reservoir of code grows, your programming time decreases as you will have code snippets pre-made to accomplish many of your tasks.

You will also notice, with time, that there are truly only so many processes, its not like its a infinite number. And once you've been in this business as long as some of us have you end up with tons of reusable code at your disposable. This is really nice with contract work, it takes less programming time because you have some of it already done before you ever take the contract.
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Tom9729
post 16 Mar, 2008 - 06:19 AM
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I usually try to write generic, modular classes/source files. That way I can easily reuse them in new products.

An example would be a FileIO class.
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tody4me
post 17 Mar, 2008 - 09:30 AM
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Every company I've worked for and written code for, I've first come up with what I call my utility library. It handles all the tedious tasks that I find myself always using. Such as in C# I use Excel for reporting, instead of say another reporting utility. So I write a wrapper for the PIA's (version that the company is using) and use that everywhere. Something that I always wrap is the data handling functions, and if I use text files I will write something to handle the tedious task of opening and reading (.NET has a great class for this, but what I want it to do is open the file and give me the data in a table or array).

This post has been edited by tody4me: 17 Mar, 2008 - 09:30 AM
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