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4595 - Python formatting update - including named completions
As from Python 2.6, a format method has been introduced in addtion to the % operator on strings to provide a more flexible and improved way of convering objects (of various type) into strings. Select [here] to open the source in a new window which was used to get this result:   munchkin ....

4594 - XML handling in Python - a new teaching example using etree
From the Python course just completed - a new example of XML handling, through the xml.etree.ElementTree module which was first available in Python 2.5.   import xml.etree.ElementTree as etree   try:     tree = etree.parse(args.sourcefile[0])   exce ....

4593 - Command line parameter handling in Python via the argparse module
A new example from the Python course just completed - looking at command line parameters through the argparse module from the standard Python library (2.7 and 3.2 onwards), and XML handling through the xml.etree.ElementTree module (2.5 onwards) Here's code setting up an argument parser:  &nbs ....

4592 - A comparison of the public transport alternatives to the Royal United Hospital, Bath - from Melksham.
Two months ago, I wrote two pieces about the Connext 2 / RUH Hopper service that takes people from North and West Wilts to the ROyal United Hospital. The first - [here] regretted the location (not appropiate for the area it serves) of the RUH, appreciated the resulting need for transport to be prov ....

4591 - From single block to structure and object oriented programming
If you're writing a very short, one-off program, you're likely to mix your calcualtion details in with your data input / output and data format handling - "quick and easy" - for example, code (Python 2.7 and 3.x) [here]. But as your application grows, and the code grows, a single block becomes less ....

4590 - Progress on moving from Python 2 to Python 3 - training for both versions
I find the progressing fron one major version of a language to another is often incredibly slow. But I suppose I shouldn't find it "incredible" because lifetime code maintenance and updates account for more time spent on a successfully appied piece of software that the original writing of it. And ....

4589 - Principles or a GUI and their practical application using wxPthon
From today's training - a private course that was brief Python revision followed by an introduction to GUIs (in the form of wxPython ... I started with a generic intordcution to GUIs ... written in the form of a source code file in Python:   # principles of a GUI   #  &nb ....

4588 - What teach you in a week stays with you for a decade
As a teacher, I teach a lot of delegates and only hear from a few of them into the future. After all - it's my job to teach them to 'fly' and my role to stay onthe ground and teach the next lot too. So it's really grattifying to bump into a delegate occasioanlly - as has just happened this Sunday ....

4587 - shell - bash. Writing conditional tests and statements - the options available
Every language that I teach has conditionals and loops, and the bash shell is no exception. From the three day bash course given last week - an example including lots of alternative tests (but by no means all varlients! for tests in if   if command ... ; then The command is run and its ....

4586 - Extending your bash shell with aliases, functions and extra commands
Want a command to do some composite job, but it doesn't exist? You can add new commands into your bash script using functions ... see example [here] from last week's course. aliases ... here are the aliases that I'm using to provide my own extra / modified commands on our web server:  &nb ....

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