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2191 - RT @brento - a valuable source for the twitter newbie

So I'm new(ish) on Twitter ... what do those @ symbols and things like RT and OT mean? Brent Ozar explains in his blog, and also tells us why people follow and why people don't follow. OK - I'm learning here; I know I'm doing some things that may discourage a proportion of followers. But then, I'm ....

2190 - How you are (re)presented at an exhibition

I congratulate Trowbridge Chamber of Commerce on their Business to Business event ... which I attended this morning. The Trowbridge Civic Centre packed with booths - a chance to re-make old acquaintances, network, and meet some new faces. And also a chance to look at how others present themselves, ....

2189 - Matching disparate referencing systems (MediaWiki, PHP, also Tcl)

Yes, we are Well House CONSULTANTS and do a bit of specialist coding ... I have a requirement on my plate at present to write a piece of code for a customer that recognises cross reference codes within a document and turns them into links. And what makes the task quite difficult is that the refere ....

2188 - Camera to record where a picture was taken

Have you ever looked around your picture libraries for a picture of a particular place? I've just been doing so, and suggested to a delegate that cameras should have GPS systems on them. Apparently some do, so it's now just a question of getting the camera to use the latitude and longitude in the ....

2187 - Are we IITT (Institute of IT Training) members?

I'm a great believer in "Raising the standards of professionalism in training" - that's the byline of the Institute of IT Training - so when they approached us about becoming a certified member, I listened carefully. Cynics will say that you "get nowt for nowt in this life" ... and indeed that see ....

2186 - An FAQ on the Apache httpd and Apache Tomcat web servers, and on using them together

Both Apache httpd and Apache Tomcat are popular web servers - and most people who use Tomcat 'front' it with httpd. We run an Apache httpd course (under Linux / Unix) and also a combined httpd and Tomcat course so we're very familiar with those "Frequently Asked Questions" that everyone wants to ha ....

2185 - Abstract Classes - Java

In Java you can write a class from scratch, or you can write one class based on another, using the 'extends' keyword and providing only the methods that change in the new class from the base class, plus any extras. Let's say we're writing an accounts system, for example ... we have a base class tha ....

2184 - Choosing the right version of Java and Tomcat

Java is described as being a portable language. But that only means that the 'runnable' class files are fairly portable - you must download and install the correct Java Virtual Machine / Java Runtime Environment / Java Development Kit for your computer / operating system / needs. This diagram show ....

2183 - Servlet life cycle, and Java Servlet variable scope

If you write a 'traditional' program and run it ... then it is cleared from memory when you finish running it. It does its job then exits. And so it is with a java program that you run from the command line under the java command. But if you're running a web server, where lots of users all call up ....

2182 - What Linux run level am I in?

Linux / Unix systems have a "run level" that they're in ... 0 - halted 1 - single user 2 - multiuser (client) 3 - full multiuser 5 - full multiuser with X windows running 6 - reboot How do I find out what run level a system is in at the moment? - a question asked on today's Java course (OK - it was ....

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