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Have you noticed what a lack of information there is in the printed material (or on the web too, come to that!) on performance tuning Apache Tomcat? The subject came up briefly during the course that I completed yesterday, when we looked at the changing the heap sizes and number of threads, and sele ....

1369 - One business, four different angles!

I took a phone call on Wednesday from one of the Denton family at "Denton's Directory" - a local directory that's distributed free to households here in Melksham and has actually become something of a well-used institution. So although the call was a "cold call" looking to persuade me to go for a ....

1368 - Getting the local voice heard

I'm always a little bit amazed when a letter or a posting here actually gets noiced to the extent of generating a reaction back to me, and back to the community. So I was a little amazed to get a phone call from Asda this afternoon ... based on my posting of a few days ago, in which I expressed con ....

1367 - korn tips - some useful korn shell techniques

1. If you set PS1 to a string that contains a "!" character, then you'll get the current history number reported as part of the prompt. If you want to rerun the same command number 246 later, all you then need to do is type r 246 2. If you're debugging a Korn shell script and want to work out wh ....

1366 - awk - a powerful data extraction and manipulation tool

Unix and Linux come with a whole toolkit of utility programs for filtering, sorting and manipulating data. As a "one off" job, you can use them from the command line, and for repeated jobs you can save a series of instructions for these tools in a shell script. Yesterday, I ran a private shell s ....

1365 - Korn Shell scripts on the web

I know that the Korn shell isn't exactly the most common language for web scripting ;-) .... but if you've got a load of Korn shell scripts and a heap of Korn shell experts ... why not? "How would you do it" I was asked yesterday and I put together a tiny demo to show some of the first principles. ....

1364 - Korn shell course - resources

I'm running a Korn shell course today and happened to take a "snap" of the resources set out ready for the course start. * Sign in sheet * One laptop computer, with appropriate software, per delegate * One set of course notes, approx 80 pages per day, per delegate * One regular expression mous ....

1363 - One computer per delegate, or pair programming?

We provide one laptop computer per delegate during our courses, and we're proud to do so - such a scheme works well for the majority of most of our programming courses, with each individual from his / her own company having practical coding exprience during the course. However - for certain exercis ....

1362 - No Thank You

"No Thank you". A polite response to an suggestion which is not being accepted. Not the greatest of responses, perhaps, to an offer, but oft understandable and accepted. No "Thank You". Rude, At least in my culture; the lack of getting back to someone who's done you a favour over and above the cal ....

1361 - Korn shell course

It's been quite a while since I presented a course that majored on the Korn Shell - I know the subject right enough (having written a complete 2 day course that got rave if niche reviews during a previous lifetime), and I jumped at a chance to brush up on my old skills to day, to recall the differen ....

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