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2825 - Perl course - is it tailored to Linux, or Microsoft Windows?
Sharing an answer to a customer enquiry ... Q: Is the course tailored to Linux operating system? A: "Yes and no" is probably the best short answer I can give :-/ Perl is an extremely portable language - so your Perl script will run very much the same way if the host operating system is Linux, W ....

2824 - A pint of Black Rat, and a lazy barman
The first young lady asked for a pint of Black Rat (the local Melksham cider), and the barman asked her for proof of age. But the second young lady, who asked the for a pint of coke, was served without question. Typical lazy barman? No - typical efficient barman! With joined up thinking, so much ....

2823 - Where have all the bloggers gone?
I stumbled across my Live Journal page the other day - or rather someone suggested that I stumble across it. Like so many blogs, it started up as a full flood of enthusiastic posting, quickly reduced to a more moderate data stream, and then conked out completely. "Where are the bloggers now" I ask - ....

2822 - Python training courses for use with ESRI ArcMap software
It's not the first time I've been asked whether our course in Python covers ESRI / ArcMap software, and whether it's a suitable learning vehicle for Python for use that environment. On the basis that "twice asked is twenty times wondered", I'm posting the generalised question and answer here. Q: ....

2821 - Chancellor George Osborne inspires Perl Program
From today's budget speech ... $oldvat = 1.175; $newvat = 1.2;   printf ("%8s %8s %8s\n","net","old","new"); for ($amount=60; $amount<90; $amount++) {   next if ($amount%2 and $amount%5);   $oldgross = $amount * $oldvat;   $newgross = $amount * $newvat;  & ....

2820 - Netiquette for forum newcomers
Once a web forum "takes off" and becomes popular, all sorts of different users will sign up ... and with those who have a genuine interest in the topics being discussed ... I celebrate. Very quickly, some new members fade away (the "one shot posters"), others fit in and become regular members who m ....

2819 - Some more pictures ...
There's a lot of things to take pictures of in Wiltshire - and I have libraries of them which have rarely seen the light of day. I've added another directory - currently around two dozen picture - from earlier this year and last. No real theme, other than you might enjoy running them as a slide s ....

2818 - File open and read in Perl - modernisation
Some updates on file opening and reading in Perl ... 1. The original open function was good, but technically questionable in that the second parameter includes (as a single string) both the name of the file and an indicator as to whether it's being opened for read or write. The newer (three parame ....

2817 - Setting a safety net or fallback value in Perl
Let's say that you want a Perl variable to contain a result which varies depending in the type and values of data fed in. Easy enough - but you need to think about what value you want it to hold if the inputs don't match any of the acceptable values. And there are then two approaches: 1. You can se ....

2816 - Intelligent Matching in Perl
Is 10 greater than 8? As a number, yes it is ... but if you're comparing character strings and you would for a book's index, then the character "1" comes before the character "8", so in this context the 10 is earlier than (i.e. less than) 8. Is 14.0 the same as 14? As a numeric value, yes it is. ....

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