For 2021 - online Python 3 training - see ((here)).
Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7. We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.
Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc. |
A year ago today, a server upgrade and a new Perl example
 "Weren't you on a boat somewhere last year when we spoke?" asked Atiqur when I called him yesterday to talk about our server upgrade / annual contract. Indeed I was, and I was impressed not only by his memory (he assures me it's not just his computer system of notes!) but by the speed of upgrade; our server was upgraded in the early hours of this morning and our service was down for just nine minutes.
Our daily log file is around 20 Mbytes ... how did I find out how long we were off air? A quick little Perl program run against that file:
while (<>) {
($h,$m,$s) = m!:(\d+):(\d+):(\d+)!;
$sid = $h * 3600 + $m * 60 + $s;
if ($osid and $sid - $osid > 500) {
print "$oh $om $os -> $h $m $s\n";
}
$osid = $sid;
$oh = $h; $om = $m; $os = $s;
}
Run against the log file, this reported:
wizard:jul12 graham$ perl gap_report ac_20120709
00 39 42 -> 00 48 42
wizard:jul12 graham$
So that's a thorough recommendation for UK2. And if you want to learn about Perl, and who you can extract information to quickly from such a massive amount of data, take a look at our Perl courses - fully described on that server that was just upgrades. All our samples and support materials are there too - after the course you'll find you have knowledgable access to hundreds of indexed source code examples and articles. See (for example) the resources on Perl Hashes [here].
Illustration - on this day, last year! (written 2012-07-10, updated 2012-07-14)
Some other Articles
Scenes from commuting by trainA Walk on the South BankWhat a difference a year makes A year ago today, a server upgrade and a new Perl exampleFancy a weekend away? Try Well House Manor in Melksham, WiltshireRuby Documentation through rdocWhen you should use Object Orientation even in a short program - Python examplezip in PythonBackquote, backtic, str and repr in Python - conversion object to stringLike a bathroom company with no plumbers
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This is a page archived from The Horse's Mouth at
http://www.wellho.net/horse/ -
the diary and writings of Graham Ellis.
Every attempt was made to provide current information at the time the
page was written, but things do move forward in our business - new software
releases, price changes, new techniques. Please check back via
our main site for current courses,
prices, versions, etc - any mention of a price in "The Horse's Mouth"
cannot be taken as an offer to supply at that price.
Link to Ezine home page (for reading).
Link to Blogging home page (to add comments).
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