tag:blogger.com,1999:blog-1023657823523030676Mon, 23 Jan 2012 20:06:31 +0000A blog about the Ingres DBMS and related topics such as 4GL,ABF,Openroad,ADO.NET and Perl programming on Unix and Windowshttp://perlingresprogramming.blogspot.com/noreply@blogger.com (Nikos Vaggalis)Blogger50125tag:blogger.com,1999:blog-1023657823523030676.post-743396666059907467Mon, 23 Jan 2012 20:06:00 +00002012-01-23T22:06:31.719+02:00Review on iProgrammerhttp://feedproxy.google.com/~r/blogspot/pFWt/~3/7tFAANJW944/rails-3-in-action-review.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/7tFAANJW944" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2012/01/rails-3-in-action-review.htmltag:blogger.com,1999:blog-1023657823523030676.post-2733451004727975484Thu, 29 Dec 2011 20:06:00 +00002012-01-02T14:38:43.406+02:00The Learning Perl, 6th Edition (O'Reilly) book review had the distinction of being iProgrammer's most popular  review of 2011, between more than 250 reviews on a vast variety of subjects with thousands of reads each, but the Perl review reached top spot with 10,800 reads (figure untill 29/12/2011) The benefit is that it exposed the language to a wide audience, since the site appeals to a general http://feedproxy.google.com/~r/blogspot/pFWt/~3/E-juALI2s_o/learning-perl-6th-edition-review-most.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/E-juALI2s_o" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/12/learning-perl-6th-edition-review-most.htmltag:blogger.com,1999:blog-1023657823523030676.post-7618780341162786721Sun, 25 Dec 2011 18:12:00 +00002011-12-25T20:12:38.293+02:00Read it on blogs.perl.orghttp://feedproxy.google.com/~r/blogspot/pFWt/~3/eDJJTf1TXoQ/perls-threading-modelnot-that-bad.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/eDJJTf1TXoQ" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/12/perls-threading-modelnot-that-bad.htmltag:blogger.com,1999:blog-1023657823523030676.post-1537300582397691594Wed, 21 Dec 2011 19:33:00 +00002011-12-21T21:33:08.464+02:00Review on i-programmerhttp://feedproxy.google.com/~r/blogspot/pFWt/~3/a5Z7Bh4R_f8/dependency-injection-in-net.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/a5Z7Bh4R_f8" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/12/dependency-injection-in-net.htmltag:blogger.com,1999:blog-1023657823523030676.post-3106426235939984992Tue, 15 Nov 2011 20:29:00 +00002011-11-15T22:29:31.513+02:00Read article on i-programmerhttp://feedproxy.google.com/~r/blogspot/pFWt/~3/vj2h_JnGejY/perl-not-suitable-for-beginners.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/vj2h_JnGejY" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/11/perl-not-suitable-for-beginners.htmltag:blogger.com,1999:blog-1023657823523030676.post-5355719248174721889Wed, 26 Oct 2011 14:40:00 +00002011-10-26T17:40:26.979+03:00An interview with Roy Hann http://feedproxy.google.com/~r/blogspot/pFWt/~3/AVWVllB6kYw/ingres-becomes-actian-some-questions.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/AVWVllB6kYw" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/10/ingres-becomes-actian-some-questions.htmltag:blogger.com,1999:blog-1023657823523030676.post-5228551640061061593Fri, 14 Oct 2011 19:48:00 +00002011-10-14T23:05:20.848+03:00There was a very interesting proble set forward at the Ingres forum, quoting : "I have to use an Ingres Database to store my data which is in several languages (like french, german, and so on). In my web site, the user can use the function "search". The problem are the special characters like éàèâ in french, or öäü in german. The user doesn't enter these characters, but it should be found http://feedproxy.google.com/~r/blogspot/pFWt/~3/s6cieda-Wrs/perls-text-handling-to-rescue.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/s6cieda-Wrs" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/10/perls-text-handling-to-rescue.htmltag:blogger.com,1999:blog-1023657823523030676.post-6235067487593688576Thu, 29 Sep 2011 14:16:00 +00002011-09-29T17:16:21.104+03:00Review on i-programmerhttp://feedproxy.google.com/~r/blogspot/pFWt/~3/ZzbqBNKU58s/defensive-database-programming-book.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/ZzbqBNKU58s" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/09/defensive-database-programming-book.htmltag:blogger.com,1999:blog-1023657823523030676.post-1017655127686941677Thu, 11 Aug 2011 17:02:00 +00002011-08-11T20:03:25.169+03:00An article on why you should start learning Perl and at the same time the book review of Learning  Perl 6th edition At i-programmer : In Praise of Perl and the Llamahttp://feedproxy.google.com/~r/blogspot/pFWt/~3/s0QPCaCdlSg/in-praise-of-perl-and-llama-book-review.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/s0QPCaCdlSg" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/08/in-praise-of-perl-and-llama-book-review.htmltag:blogger.com,1999:blog-1023657823523030676.post-2753588096624649746Sun, 03 Jul 2011 15:13:00 +00002011-07-03T18:14:10.372+03:00There is an offiicial patch for the bug released now by Roderich Schupp : "fix is rev 1257 in PAR::Packer's Subversion repo and will be in the next relase of PAR::Packer" http://feedproxy.google.com/~r/blogspot/pFWt/~3/qxPRq_kabl4/update-to-solving-parpacker-cant-locate.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/qxPRq_kabl4" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/07/update-to-solving-parpacker-cant-locate.htmltag:blogger.com,1999:blog-1023657823523030676.post-9085082987742148512Tue, 21 Jun 2011 15:17:00 +00002011-06-21T18:17:50.993+03:00Book review at iProgrammer : Beginning C# Object-Oriented Programming http://feedproxy.google.com/~r/blogspot/pFWt/~3/7ojB0ml5HA0/book-review-beginning-c-object-oriented.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/7ojB0ml5HA0" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/06/book-review-beginning-c-object-oriented.htmltag:blogger.com,1999:blog-1023657823523030676.post-7195658263407408068Tue, 14 Jun 2011 11:21:00 +00002011-06-14T14:21:49.023+03:00Building an executable with Strawberry Perl is successful but when actually running it (after we have renamed the c:/strawberry to c:/strawberryX so it cannot find the dependencies from the path), fails with the following errors : " Can't locate loadable object for module IO in @INC (@INC contains: CODE(0xa1d31c ) C:\strawberry\perl\vendor\lib .) at C:/strawberry/perl/site/lib/PAR/Heavy.pm l inehttp://feedproxy.google.com/~r/blogspot/pFWt/~3/7kZE4g88kNE/solving-parpacker-cant-locate-loadable.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/7kZE4g88kNE" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/06/solving-parpacker-cant-locate-loadable.htmltag:blogger.com,1999:blog-1023657823523030676.post-228372947825656921Wed, 25 May 2011 04:55:00 +00002011-05-25T07:55:23.856+03:00I've just published a news piece on the UKIUA Conference on iProgrammer which also includes an overview of Ingres as a company as well as the RDBMS http://feedproxy.google.com/~r/blogspot/pFWt/~3/-Wvh0EAK5T0/uk-ingres-users-association-conference.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/-Wvh0EAK5T0" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/05/uk-ingres-users-association-conference.htmltag:blogger.com,1999:blog-1023657823523030676.post-1208227682006856849Thu, 19 May 2011 16:10:00 +00002011-05-19T19:10:54.028+03:00Perl 5.14, this year's stable release of the Perl 5 language, is the first in the planned series of annual time-based releases announced last year. From the Perl developer's point of view it has several important features. This article takes a look at what's new and valuable.http://feedproxy.google.com/~r/blogspot/pFWt/~3/0v0zD51FDio/perl-514-released-developers-evaluation.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/0v0zD51FDio" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/05/perl-514-released-developers-evaluation.htmltag:blogger.com,1999:blog-1023657823523030676.post-6146039442357195656Fri, 15 Apr 2011 04:58:00 +00002011-04-15T07:58:39.215+03:00C# in Depth, 2nd Ed book review at iProgrammerhttp://feedproxy.google.com/~r/blogspot/pFWt/~3/aGNRb-EA8MY/c-in-depth-2nd-ed-book-review.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/aGNRb-EA8MY" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/04/c-in-depth-2nd-ed-book-review.htmltag:blogger.com,1999:blog-1023657823523030676.post-2157169431950054521Thu, 07 Apr 2011 12:21:00 +00002011-04-07T15:21:04.774+03:00In this iProgrammer article we explore how to turn a single threaded Perl/Tk GUI application into a multi-threaded one; examining the steps, the obstacles and the benefits. Along the way we cover concepts such as callbacks, events, windows messages, thread affinity, thread safety and more. http://feedproxy.google.com/~r/blogspot/pFWt/~3/R3-ISHlRUuA/perl-tk-and-threading.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/R3-ISHlRUuA" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/04/perl-tk-and-threading.htmltag:blogger.com,1999:blog-1023657823523030676.post-4165931235278676725Wed, 30 Mar 2011 18:24:00 +00002011-03-30T21:24:59.380+03:00Just finished reviewing Pro DLR in .NET 4.0. Book review at i-programmer http://feedproxy.google.com/~r/blogspot/pFWt/~3/9HExmp_pTXs/pro-dlr-in-net-40.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/9HExmp_pTXs" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/03/pro-dlr-in-net-40.htmltag:blogger.com,1999:blog-1023657823523030676.post-3039428192886009728Tue, 22 Mar 2011 16:48:00 +00002011-10-16T23:39:27.293+03:00Activestate Perl bundles Archive:Unrar which can now be easily installed using the comand line ppm utility: ppm install Archive-Unrar The PPM index has more info on it plus the downloading stats of the module  http://feedproxy.google.com/~r/blogspot/pFWt/~3/trV4errr_hQ/activestate-perl-bundles-archiveunrar.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/trV4errr_hQ" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/03/activestate-perl-bundles-archiveunrar.htmltag:blogger.com,1999:blog-1023657823523030676.post-6063094826596322201Mon, 14 Mar 2011 17:56:00 +00002011-10-14T23:01:54.068+03:00 Utilizes threading (by working around Tk toolkit's thread safety limitations) resulting into a FULLY responsive GUI- no freezing, no waiting.Get it from www.nvglabs.com UE&R is written in Perl comprising of the following core parts : Unrar.pm - CPAN Archive::Unrar module. The engine behind processing RAR files gui.pl,gui_ui.pm,gui.ui - The GUI front end using the Tk toolkit http://feedproxy.google.com/~r/blogspot/pFWt/~3/TKMNvkBEals/ue-version-40-ansi-edition-released.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/TKMNvkBEals" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/03/ue-version-40-ansi-edition-released.htmltag:blogger.com,1999:blog-1023657823523030676.post-7750555000153919500Mon, 21 Feb 2011 12:11:00 +00002011-02-22T20:12:48.978+02:00An  interview on Unrar Extract and Recover at famouswhy.com Interview Link http://feedproxy.google.com/~r/blogspot/pFWt/~3/AHRNwemrPHE/ue-famouswhycom-interview.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/AHRNwemrPHE" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/02/ue-famouswhycom-interview.htmltag:blogger.com,1999:blog-1023657823523030676.post-8239848716910139542Mon, 14 Feb 2011 17:52:00 +00002011-02-14T20:35:45.929+02:00Just released an article on  i-programmer called Unicode issues regarding the Window OS file system and their handling from Perl Intro : " Unicode is supposed to make character handling easy, but living with a legacy system that uses multibyte encoding makes things complicated. This article looks at  the real world of Perl Unicode integration and exposes a set of problems that also occurs in http://feedproxy.google.com/~r/blogspot/pFWt/~3/zW_NOQ0oEL4/unicode-issues-regarding-window-os-file.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/zW_NOQ0oEL4" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/02/unicode-issues-regarding-window-os-file.htmltag:blogger.com,1999:blog-1023657823523030676.post-7691675599118981335Sat, 12 Feb 2011 12:41:00 +00002011-02-12T15:10:31.939+02:00I wanted to set up a2ps 4.14 on an old SCO Unix machine (which suprsingly had a gcc compiler installed) for Transforming Ingres' legacy reports with PostScript  Before you set up a2ps, you have to set gperf up first. Its installation  was a breeze, so I assumed that a2ps would install easily too.....However that was not the case; when reaching the 'make' phase I was getting the following error :http://feedproxy.google.com/~r/blogspot/pFWt/~3/4SCB2M8LvRg/old-gcc-new-a2ps-hacking-gcc-lib.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/4SCB2M8LvRg" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2011/02/old-gcc-new-a2ps-hacking-gcc-lib.htmltag:blogger.com,1999:blog-1023657823523030676.post-2546343998611133970Thu, 23 Dec 2010 19:37:00 +00002011-01-18T09:59:18.934+02:00Microsoft ADO.NET 4 Step by Step book review was published at i-programmerhttp://feedproxy.google.com/~r/blogspot/pFWt/~3/oaOgjRvXNlA/microsoft-adonet-4-step-by-step-book.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/oaOgjRvXNlA" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2010/12/microsoft-adonet-4-step-by-step-book.htmltag:blogger.com,1999:blog-1023657823523030676.post-5356832383703321168Mon, 29 Nov 2010 08:57:00 +00002011-01-18T09:58:57.226+02:00My book review was published at i-Programmer. I am also very happy to see that Tim Bunce has upvoted it on Dzone!http://feedproxy.google.com/~r/blogspot/pFWt/~3/rbfUAt3CoPw/effective-perl-programming-2nd-edition.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/rbfUAt3CoPw" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2010/11/effective-perl-programming-2nd-edition.htmltag:blogger.com,1999:blog-1023657823523030676.post-5188214915683504441Fri, 19 Nov 2010 05:54:00 +00002011-01-18T09:58:32.077+02:00This is the final part of Type Systems Demystified which explores strong typing and type safety issues. It is a multi-language and comparative approach using Perl,C,C# and VB.net with a strong emphasis on Perl Link at i-Programmer, Strong Typinghttp://feedproxy.google.com/~r/blogspot/pFWt/~3/40KwCNAa6Ig/strong-typing-and-type-safetya.htmlnoreply@blogger.com (Nikos Vaggalis)0<img src="http://feeds.feedburner.com/~r/blogspot/pFWt/~4/40KwCNAa6Ig" height="1" width="1"/>http://perlingresprogramming.blogspot.com/2010/11/strong-typing-and-type-safetya.html