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Object Orientation and General technical topics module Q904
Analysing a Programming Task
Exercises, examples and other material relating to training module Q904. This topic is presented on public courses Learning to program in Python, Learning to Program in Java, Technology Background for PHP, Learning to program in Perl

A module for newcomers to programming, no matter what language they're learning. A "Hello World" program may be easy to understand, but once you get variables, expressions, loops and conditionals involved too, perhaps nested inside one another, it's another matter. This module introduces some basic design ideas such as flowcharting, and shows you how to convert a flowchart into a program.

Articles and tips on this subjectupdated
3895Flowchart to program - learning to program with Well House
Drawing a flowchart is how many people understand a process; it's something that's been used in schools and textbooks for many generations, and it provides a graphic representation of choices and actions that most people find easy to follow. For newcomers to programming, such as on my Learning to program ...
3461From flowchart to program - code design for the newcomer
We're all used to seeing little flow chart diagrams on instrtuction sheets and in books - telling us things like whether we should call the doctor for our sick child, or let him/her sweat it out. So - for newcomers to programming - flowcharts are a natural way of drawing out what the program needs to ...
3366Specification, Design, Implementation, Testing and Documentation - stages of a (Java) programming project
There are two key factors in writing even a simple program - working out what you want to do / how you're going to do it, and then actually doing it in the language of your choice. Call the two phases "design" and "implementation" if you like. The design phase can be very much more 'free format' - ...
3329Perl from basics
It's refreshing to teach Perl to a class of bright but brand new programmers, which I'm doing in Edinburgh this week. For a class on novices really make me think "why" at some of the aspects us old hacks take for granted. And - yes - I'm delighted to step back to the basics and explain. Along these ...
2834Teaching examples in Perl - third and final part
Three part article ... this is part 3. Jump back to part [1] [2] Following on from two earlier posts, here is the final third of the new examples that I wrote during last week's Perl course, and to which I have added extra documentation over the last couple of days. P212 More on Character Strings "Does ...
1853Well structured coding in Perl
Write a small code utility - a few lines - and you can simply start at the top and work through to the bottom. But as the code increases in length, you're going to want to take out common code and put that code into named blocks that can be re-used. Extending this technique, you can break all your code ...
2715Uploading an image, document or pdf via a browser (php)
One of the most popular scripts on our web site is a demonstration, with full source code, of how you can upload data from a browser, store it into a MySQL database, pull it back from that database, and display it within a new or future response pages. But there's a lot of steps in that upload - store ...
When I travelled from home to Saudi Arabia in May, 2006, I planned ahead. Flights were booked, course manuals printed, Visa obtained, contacts established, deposit paid (to us for courses), travel insurance in place before I even left home. "Of Course" or "Prudent", I expect you'll say. And I agree ...
1513Perl, PHP or Python? No - Perl AND PHP AND Python!
"Which language is best for xxx task" I am often asked. And I'll listen to the questioner's description of his application, his background, and the sort of support he'll have at his place of coding before coming up with a suggestion. Never would I suggest he learn all three. And yet, today, I found ...
1850Daisy the Cow and a Pint of Ginger Beer
One of the trickiest aspects of learning for newcomers to programming is to know when to split out parts of their code into named blocks. Newcomers can easily see that it's a good idea - as it means that code can be tested in smaller chunks, and that code can be shared (reused) - but it's not always ...
1607Learning to program in Perl
For the last few days, I've been teaching Learning to Program in Perl. Unlike a conventional course style, for this one I had been asked to assume no prior programming knowledge, and covered first principles such as variables, conditionals, and loops. Here is one of the examples I wrote during the course ...
1345Perl and Shell coding standards / costs of an IT project
There are three major staff costs in the life of an IT project - the specification and development of the system, the maintainance and upgrading of the system though its life, and the investment that's made in data entry and integrity through the life of the system. And although there's a lot of thought ...
747The Fag Packet Design Methodology
Old fashioned engineering - in the Midlands of England. Imagine the scene as some widget or other was designed at the turn on the last century. Chimneys belching smoke out over the "Black Country", and workers belching smoke out from their Players, Marlboro or Senior Service. I've oft heard the term ...
Examples from our training material
Trainlength.java   Analysing a problem - how long a train?
summer   Planning a simple application - the result
tconv.c   Well Structured program in C. Read / calc / report
topd   Top down design - first example in Perl
Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from [here].
Topics covered in this module
A small job.
Learning about the job.
Working it out.
Error Handling.
As a job gets larger.
Complete learning
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

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