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1791 - The road ahead - Python 3
A couple of days ago, I mentioned Python 3 in general terms - and today I'm starting to flesh out the road ahead. print The print operator in Python was always a bit curious, with the trailing comma to signify "no new line" ... and that has been replaced by a print function, with named parameters ....

1790 - Sharing variables with functions, but keeping them local too - Python
""" One of the big issues with any programming language is how in shares (scopes) variables between blocks of code. On one hand there's a desire to have variables easily accessible without a lot of passing around. On the other hand there's the need to keep information in vary different parts of you ....

1789 - Looking for a value in a list - Python
In any scripting language, avoiding loops makes for easier to write and faster to run code. One example is Pythons if .. in construct, where you can avoid a loop to test whether a value matches any member of a list or tuple. Example: stuff = ["red","green","blue"] if "green" in stuff: print ("O ....

1788 - Python 2 to Python 3 / Python 3000 / Py3k
There's a new release of Python on the horizon. Well - it's rather closer than the horizon, as there are beta test releases around, and a final production release is due within the month. It has been known as Python 3000 and Py3k along the way - but the release is numbered 3.0 and it's really known ....

1787 - Howto - write and manage a news box on your web page
Q: "I want a Content Management System. What should I select?" A: I don't know - without asking you further questions! The web, these days, is mostly about content management, and you may as well say to me "I want to get from 'A' to 'B' - please provide a way." I will have to ask you if A is just ....

1786 - Picturing the rain
A damp August and a really wet start to September. It looks like a tropical storm, doesn't it, but in fact it's a picture I took out of the window of our smaller training room during the MySQL course yesterday. Well House Manor remained water tight, with our approach canopy doing sterling service ....

1785 - What is running on your network? (tcl and expect)
Earlier this week, I gave a much-tailored Tcl course, with a strong helping of expect. Expect adds three major extra commands to Tcl - spawn to start a new process under the control of the running Tcl/Tk code, send to send information to it and expect to await for - and decide on how to process - a ....

1784 - Global - Tcl, PHP, Python
PHP, Python, Tcl and a number of other languages have a global keyword. And it's a misnomer in most (if not all) cases. To the un-initiated, "Global" means "worldwide" or "shared all around". So you would think that if you declare something as global, you're going to be sharing it with the same ....

1783 - Think before you send
Some useful (?) things to send somebody ... a) A pair of scissors, in one of those hard plastic wraps that the stores use to prevent their products being used before they are sold, and you need a pair of scissors to open. b) A decompression program, in a compressed format c) A software download, ....

1782 - Calling procs in Tcl and how it compares to Perl
In languages such as Java, you must call your named blocks of code (methods) with the correct number and type of parameters, but in Perl you may call them with as many or as few parameters as you like ... then write the named block of code (a sub) to handle (or ignore) whatever it gets. This week, ....

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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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