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2232 - Why sendmail one way, and pop3 the other?
When you send emails, you'll use a "sendmail" protocol / service, whereas when you receive them, you'll typically use a "pop3" or similar protocol / service. Why not use just one protocol for all the stages of email transmission? Well in sendmail protocol, the client program pushes the email to a ....

2231 - What is CGI.pm / A dozen new examples
Perl's CGI.pm module allows both a structured and Object Oriented approach to generating and handling web pages via the Common Gateway Interface. It was written (a long time ago now) to provide a library of routines to help Perl programmers write web applications without having to (re)write or roll ....

2230 - Running a piece of code is like drinking a pint of beer
Q: What is the effect when I drink a pint of beer? A: I get slightly tipsy. But that's too simplistic! A: The brewery has some more money A: There's a glass to wash up A: I need the loo! Running a piece of code is like drinking a pint of beer - as well as a headline result, you get extra variabl ....

2229 - Do not re-invent the wheel - use a Perl module
"If you think 'surely someone has done this before', you're probably right ... and in Perl, you'll find the resource you need available as a module on your system, or if it's not quite to common, on the CPAN". I was reminded of this advise today, when I got involved with web site checking ... and ....

2228 - Where do I start when writing a program?
Q: Where do I start when writing a program? A: Start off by thinking about what you want to achieve, and what inputs you have available to you. In other words, look at what the customer provided and what the customer wants to get (yes, you may be your own customer!). If it's too much to think thr ....

2227 - Learning PHP, Ruby, Lua and Python - upcoming courses
The following programming courses are all booking well, but still have good availability: PHP - starting 6th July Ruby - starting 14th July Lua - starting 10th August Python - starting 17th August Also Deploying LAMP (Linux, Apache httpd, MySQL, PHP/Perl) from 20th July. Can be taken as separate Lin ....

2226 - Revision / Summary of lists - Perl
We've started the third day of this week's Perl course with a revision of some features of lists ... posting here as there are some useful reminders (and I came back later to add more comments!) # Revision / Summary of lists - Perl   $abc = 16; # single value @abc = (16,14,12,11,10,8,7,2); # ....

2225 - How important is a front page ranking on a search engine?
At the risk of researching and reaching an obvious conclusion (along the lines of "passengers will get upset if their train is delayed and they are not told why", which a half million pound report concluded the other week!), I've spent a few minutes taking a snapshot of old log files to see what pro ....

2224 - Trowbridge - a missed opportunity? Melksham - into the breach?
Trowbridge is the county town of Wiltshire, and it a long and illustrious history, some magnificent Georgian buildings, the River Biss and a canal which brings tourists through the area already. However, I've had to ask Lisa (who is a professional graphic artist) to 'Photoshop' my headline picture ....

2223 - CSS Style Diagrams - working out where attributes come from
I have just been helping a customer who's got a problem with white text on a white background ... and hasn't been able to easily identify where the problem lies. Some of his code looks like this: <div id="Layer6"> <div align="center" class="style11 style13"> <div align="left" cla ....

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