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145 - A comment on comments
You're very welcome indeed to add comments to this diary; if you're a new commenter, you may find that your message is "quarantined" for approval - a sad neccessity as we get dozens of automated submissions some days which are looking to advertise performance enhancing products, ways to reduce your ....

144 - Tcl sandwich - lists in Tcl
In Tcl, a list is simply a string that's held in the same format (i.e. with the same delimiters and protection) as a series of parameters to a Tcl command. The split command (which does a great deal in languages such as Perl and PHP) really does little more than change the delimiters if need be, and ....

143 - Network Camera
With web servers and networking capability now built into printers and broadband access boxes as well as computers, it was only a matter of time before a network webcam became available which doesn't need to be plugged straight into a computer. I've had "half an eye" open for such a device for a wh ....

142 - Colour for access
Under disability discrimination legistlation, anyone who offers a service is required to make all reasonable efforts to provide an equality of service to anyone who suffers any form of disability; we've all seen wheelchair ramps and wide doors spring up on the High Street of late. Every disabled p ....

141 - Too technical?
When I started writing the Horse's Mouth back in the summer, I wondered if I would find enough to say every day. I needn't have feared, as here I am, months later, not wondering what to write today but wondering what NOT to write! Every day, I learn something in my job. Ranging from how you use ....

140 - Comparison Chart for Perl programmers - list functions
grep v map v sort Most languages support lists and / or arrays - and that includes Perl. In Perl, though, you can use functions such as grep, map, sort and reverse to operate on lists as a whole rather than having to loop through members of the list cell by cell. functiondesciption of actioneleme ....

139 - Just provide a room and the students
I'm sitting, writing, in our training room and there are 9 laptops on the desks ready for the final day of Perl for Larger Projects. That's one laptop per trainee, some spares, a laptop off which we project course notes, and the system I'm writing from. Operating systems? A mixture of Unix, Linux ....

138 - Perl - redo and last without a loop
Perl has next, last and redo commands which (by default) cause you to move on to the next iteration / exit from / repeat the same iteration of a loop. Did you know that you can also label a block and then use them in a similar way in that block? $c = 1; $d = 4; thyme: { $c++; $e = 5; redo thyme i ....

137 - Certification schemes
Should we offer certified training courses to agendas laid down by the likes of Sun, Adobe and Zend, or should we offer courses to our own agendas? There are arguments both ways, and we reconsider from time to time. I thought you might be interested in a (slightly long) item I wrote in response to ....

136 - Please tell us
So often, I have said "if you like what we provide, tell your friends, if you don't, please tell us". That's not my original line, but it's good practice. And it's heartfelt too ... Recently, we released about 500 pages (out of 3000) of our training notes under an Open Training Notes license on ....

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