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3005 - Lots of ways of doing it in Perl - printing out answers
"There's more than one way to do it". So says the first book in our Perl Library - Perl Programming, also known as "The Camel Book". And that eclectic collection of lots of ways of doing the same thing applies all over Perl; when I'm running Perl Courses, I'm often asked "how do I ..." questions an ....

3004 - Increment operators for counting - Perl, PHP, C and others
Look at this Perl statement:   $counter = $counter + 1; "Take the value in $counter, add 1 to it, and put it back in $counter". It's a common programing requirement - indeed, so common that you can write it in a shorter form in many languages:   $counter += 1; "Add one to the val ....

3003 - What will we be teaching in six years?
This is the fourth of a series of articles that reviews where Well House Consultants has been - and where we're going - after 6 years of blogging and some 3000 articles. - "towards the next 3000" Moving Course Subjects Forward I previous wrote a long article looking - at post number 3000 - how we ....

3002 - A list of special method and attribute names in Python
If I write   a = b + c in Python, I'm really writing   a = b.__add__(c) (see source code example [here] In other words, every variable is an object and every operator is a method. It's just the icing on the cake that makes the language as powerful as it is - with the clever e ....

3001 - How will we present courses over the coming years?
This is the third of a series of articles that reviews where Well House Consultants has been - and where we're going - after 6 years of blogging and some 3000 articles. - "towards the next 3000" Moving Course Material and Presentation forward What has changed recently / will or may change, sooner ....

3000 - Looking forward - the next 3000
This is the second of a series of articles that reviews where Well House Consultants has been - and where we're going - after 6 years of blogging and some 3000 articles. - "towards the next 3000" Six years ... and 3000 posts ... after my first article - where will the next six years, or 3000 post ....

2999 - 2999 - looking back
This is the first of a series of articles that reviews where Well House Consultants has been - and where we're going - after 6 years of blogging and some 3000 articles. - "towards the next 3000" I'm headed towards article number 3000 - this is blog article 2999. I started writing back in the sum ....

2998 - Using an exception to initialise a static variable in a Python function / method
Exceptions are sometimes "sold" as a way of trapping errors - but they're more than that - they're an excellent way of trapping conditions where there isn't a valid result. "How many people live in this house" you may ask of a function / method call, and the answer may come back as "2" or "5" ... o ....

2997 - 3D graphics - web site usage - simple matplotlib and python example
Some very interesting graphs from our server log data, courtesy of Python, numpy and matplotlib. Truly, a picture paints a thousand words. The data in the first and last diagrams is raw - showing exact number of hits per hour; in other diagrams I have used proximity smoothing which makes the trends ....

2996 - Copying - duplicating data, or just adding a name? Perl and Python compared
When you copy a list in Perl, you're duplicating the data and you end up with two distinct copies ... but when you copy a list in Python, you're copying the reference so that you end up with two names for the same variable - almost like an alias. So in Perl - with two different copies - you end up ....

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