RS25 V10: Technical Briefing
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Engine Technical Director Rob White discusses the new RS25 V10 engine, and meeting the challenge of two weekend reliability.
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Welcome to a new blog here at LinuxJournal.com, "Linux Products Insider".  I'm James Gray, Products Editor at Linux Journal.  After the spam has been deencrusted and hucksters repelled, I'll use this space to update you on the latest and greatest products and services that I find using my secret channels.  This week, I had the chance to take part in a press conference with Mark Shuttleworth, Founder of Ubuntu.  Read on to learn why Shuttleworth's is so fired up about the new Ubuntu 7.10 "Gutsy Gibbon" (available this week), as well as why he thinks Ubuntu is so darned successful.
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PÃ¡draic Brady has a quick update today pertaining to the PHPSecInfo project - a new manual (currently in development).   I'll keep adding to it over the days, weeks and months ahead. The current form is going to be mainly a draft. When it's done, I'll go through it and do some serious editing. Next priority is getting in the material on actually using and implementing PHPSpec...   You can find the manual at http://dev.phpspec.org/manual/ with quite a bit of content already filled out. Topics currently covered include installation guides, your "first steps", testing the code and some examples of it in use.
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An introduction to using refactoring, unit testing and ZenTest on existing code.
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At the public demo on the 17th, I will talk about the idea of the Networked Living Room built on RSS. Low-tech, open, all moving parts replaceable. Not just photos, that's step one.  Sign up on Upcoming. Still some space left.
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Welcome to a new on-line column here at LinuxJournal.com, "Linux Products Insider".  I'm James Gray, Products Editor at Linux Journal.  After the spam has been deencrusted and hucksters repelled, I'll use this space to update you on the latest and greatest products and services that I find using my secret channels.  This week, I had the chance to take part in a press conference with Mark Shuttleworth, Founder of Ubuntu.  Read on to learn why Shuttleworth's is so fired up about the new Ubuntu 7.10 "Gutsy Gibbon" (available this week), as well as why he thinks Ubuntu is so darned successful.  read more
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Based off of a previous article from Mike Willbanks, Stuart Herbert has posted some of his own thoughts on tuning and tweaking your applications for the best performance you can get out of them.   There's some good advice in there, and I thought it'd be a good idea to quickly add a bit more detail about the separate approaches that Mike raises.   He goes over the APC caching, memcache, the "gzip trick", the "Not Modified" header and optimized SQL statements.   He also mentions one thing that Mike didn't mention - a split between static files (no PHP needed) and their dynamic cousins. Having a more pure Apache (no PHP installed) can help give a minute jump in speed that, depending on the size of the site, could really add up from a user's perspective.
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roundup Plus: More money for fuel cells...Linux release features Windows support...Gmail delivered to desktops.
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Conky is an advanced, highly configurable system monitor for X based on torsmo   This is the next maintenance release for Conky, prompted by bugs introduced in 1.4.6.  Also notable is changes/clarifications made to licensing.  If you have any problems with the licensing changes (ie. someone got left out of AUTHORS) please let us know.  Summary of changes is as follows:      * Check for pkg-config >=0.19     * Use timed_thread for mpd     * Fixed issue with SIGPIPE and mpd     * Updated COPYING (with more clarifications)     * Updated vim/nano syntax files.     * Added $hwmon var, similar to $i2c and $platform.     * Added var $platform which is similar to $i2c and accommodates the conversion       of many devices from /sys/bus/i2c/devices to /sys/bus/platform/devices.     * Removed config item post_21_kernel since it forced all i2c device lookups       to go to /sys/bus/platform/devices and some people may need a mix of both         i2c and platform devices.     * Clarifying licensing     * RSS support     * Wireless support for Linux  Regards,  Brenden
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Here's an interesting Howto on connecting FlickrFan to the Mac desktop. I love this stuff.  Here's a movie that demonstrates this coolest of hacks.
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A lot of things are happening in the Ruby world right now, and I wanted to highlight a few of them here:  At FOSCon this year, Amy Hoy has asked people to start writing more instructive articles about parts of Ruby or Rails so that newbies would have more "fine manuals" to read.  I've tried to do my part with two short series (so far), one on RubyInline and the other on ruby-prof.  The RubyInline articles are: RubyInline, making making things faster easier, and RubyInline: Going a bit Further.  The ruby-prof articles are:  Profile and ruby-prof, ruby-prof and call graphs, and Profile and ruby-prof:  getting specific. Another blog related event is the current blogging contest being run by Ruby Inside.  They're offering $100 US to their favorite informativ, ruby related blog post this week (Aug 14-20).  There have been a lot of interesting entries so far.  It would be pretty cool to see more contests like this crop up. We're getting close to a couple of Ruby conferences, I wrote about RubyConf*MI in my last post.  RailsConfEurope is also comingu up quickly.  If you're reasonable close to either of these, you should consider registering. O'Reilly has released the Ruby Cookbook.  It's a massive tome, chock-full of Ruby goodness.  I haven't had time to read the whole thing yet, but what I've read looks good, and I'm hearing good things from folks I trust.  Looks like another good book to add to your Ruby bookshelf. APress is getting ready to jump into Ruby and Rails in a big way.  They've got ten titles listed on their 'Rails Roadmap', and have lined up some well known Ruby names to write for them.  They're still looking for some Ruby authors according to this blog post. No Starch Press is also starting to make some Ruby related noises.  I can't be specific yet, but there's a good looking Ruby book on its way into their catalog.  If the book is half as good as what they've talked to me about, it's going to be another 'must have'. The Pragmatic Programmers also look like they're set to add some more titles to their Facets of Ruby line.  James Gray has said that he's writing a book for them that should be announced soon, Ezra Zygmuntowicz also has a book on the way, and I've recently signed a contract with them for a Ruby related book.  It looks like the PragProgs aren't going to be content to sit on their Ruby laurels. Finally, Developerdotstar is close to announcing a couple of books about programming.  Neither of these is Ruby specific, but from everything I've heard I think they're going to be solid, language independant books about becoming a better programmer.  Just the kind of thing you'd expect from these guys.
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Chapter 14: Kernel Debugging Techniques, reprinted with permission from Embedded Linux Primer: A Practical Real-World Approach By Christopher Hallinan, Published by Prentice Hall
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Mike Potter (from Adobe) has issued an invitation for all PHP and Ruby developers attending the MAX Conference to track each other down, as well as him.   I think this would be a perfect time for these groups of people to get together, showcase what you're working on, and talk about the problems that you're facing.  We're working out the details of MAXUP, but if you're going to MAX, plan on arriving on the Sunday so that on Monday we can get together and showcase and talk about the work that's going on with Flex and languages other than Java and ColdFusion.   He suggests using the entry's comments to help coordinate the meetings. The Early Bird pricing is still in effect for the conference, so there's no time like the present to reserve your spot.
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Review Mid-range features, performance for under Â£100?
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Recently I've been working with the transport synchronization capabilities of the JACK audio server. This article is a report on those capabilities as tested with a variety of Linux audio applications under the JAD and 64 Studio distributions. JACK: The 1-minute Profile read more
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RF Code's M220 tag reader identifies equipment using handhelds and Bluetooth.
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The eagerly-awaited Ubuntu Studio has been released, adding another entry into the expanding list of multimedia-optimized Linux distributions. I haven't had a chance to try it yet, but interested readers can peruse some installation screenshots or check out the latest news and information on the Ubuntu Studio Wiki. I plan to review the distro in a future column, along with an update on the latest version of the venerable PlanetCCRMA, but in this entry I'm focused on another very exciting new release. Ardour 2.0 is now available for download. This version is a significant improvement over the 0.99 series (1.0 was never released), with many new features and enhancements to performance and stability. The following article profiles the new Ardour as I employed it for three projects, all involving the program in the processes of composition and arranging as well as the more typical tasks of recording and editing. I've described each project in some detail, and each description includes a link to the final audio output.