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149 - Fish stocks
There's controvesy over plans to restrict fishing in the North and Irish seas - in what seems an annual round of cutting the fishing fleet and imposing strict quotas. I wonder how efficient and effecive such schemes are - I understand that up to 50% of the catch is thrown back dead as it's not the ....

148 - Programming in isolation
Since I got up this morning, I've been writing some thoughts / guidance on Perl standards (expect some much fuller links elsewhere on this website by the end of the weekend [update - see Perl Standards]). I've just come to a section where I'm saying "it's not just you as the coder - think of the use ....

147 - Recent technical articles
I've written a number of technical articles over the last week or two. Rather than "flood" this diary, here are some links: Connecting Apache httpd to Apache Tomcat The principles and practise of file locking Using Tcl to provide system testing Portrait of the Author - PHP ....

146 - example of Tcl namespaces and packages
Packages in Tcl allow you to define a file of code that's going to be loaded as required at run time. Namespaces allow you to define a new set of variable and proc names that doesn't conflict with the variable and proc names in your main program - rather like giving all the variable and procs in pa ....

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 ....

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