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2409 - TypeError: super() argument 1 must be type, not classobj (Python)
If you've got an error message like this, you've called up a method from the base class of your object using "new style classes", but the base class is an "old style class". The full error message looks something like this: Traceback (most recent call last):   File "cl_n.py", line 24, i ....

2408 - Robust user input (exception handling) example in Python
One of the questions in the "exceptions" section of the Python Course asks my delegates to "Graham Proof" a piece of code: first = int(input("First number: ")) second = int(input("Second number: ")) print "Sum is "+str(first+second) The idea is that I come round the room and put really awkward i ....

2407 - Testing code in Python - doctest, unittest and others
The doctest and unittest modules of Python allow you to provide test harnesses for your classes / packages. Designing applications from the bottom up, you'll want to ensure that each of your code levels works and works well. You'll want to provide an example of what it should do for the next leve ....

2406 - Pound Sign in Python Program
How do I get a pound sign up in Python? A regular question ans the regular answer is to use a unicode string: >>> saying = u'It will cost \u00a310.00' >>> print saying It will cost £10.00 >>> Which is all well and good, but people want to be able to type the pound sign into the source code ....

2405 - But I am reading from a file - no need to prompt (Perl)
If you're writing a script that calls for user input, you had better prompt the user ... otherwise, the terminal / window will appear to hang and the user won't know what's going on. However - if you're reading your answers from a pre-prepared file or piping them in from another process, all of th ....

2404 - Low Sun - Autumn is here
The days are rapidly getting shorter - as we head for Michaelmas, when there's 12 hours of light and 12 hours of dark ... then on towards the time of the year with the shortest days at Christmas. Goodness - I'm talking "Christmas" already. This afternoon, I took a short walk in the fields behi ....

2403 - Hotel Booking Scam / Cost of calls to 070 numbers
In my email, a juicy hotel booking ... 10 days for five double rooms ... which we shall not be accepting. Dear Sir/Ma, I am Andrea Paula,I write to introduce our Ministry " His Grace Ministries". Our main importance of sending this mail is to crave your sense of honesty and sincerity with respec ....

2402 - Automated Browsing in Perl
I'm reminded on today's Perl course just how powerful some of the modules are, and how much you can do in so little code. LWP::UserAgent turns your Perl into an automated browser .. the following four lines reading the robots.txt off my web site. use LWP::UserAgent; $connex = new LWP::UserAgent(" ....

2401 - Back Tomorrow
The most incredibly busy week - a five day Perl course, and five evening meetings too. The web server has been down for a few hours this evening (don't know why yet - network problems at our web space provider by the looks of things), so no more than a holding post tonight! ....

2400 - Are you wanting to learn PHP?
Are you wanting to learn PHP? Select a course that starts and ends at the right points! You may (or may not) already know all the background stuff about web sites. And you may (or may not) have programmed a computer before. So you'll want to select the course with the correct starting point - one ....

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This page is from the web site of Well House Consultants who provide Open Source computer training. Program written / developed as a demonstration during a PHP course. The example is in module H113

Training sample © 2014, WELL HOUSE CONSULTANTS LTD
This is http://www.wellho.net/demo/mqclim.php
See source code here • More examples - same topic here
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