davewood

• About: I like Toast.

Recent Actions

• Commented on Travis-CI Helpers for Perl
  nice writeup, thank you. I recently sarted using travis-ci and this post gives me a better understanding of the travis-perl-helpers....
• Posted Travis and Dist::Zilla projects to davewood

  Getting started with Travis

  I felt like I should give Travis a try and picked a recent github project of mine that I knew had a decent testsuite.

  The ="http://docs.travis-ci.com/user/getting-star…

• Commented on Nginx: FastCGI vs. starman (Erratum)
  Hey juanluis yes I did change the login shell of www-data to bash. But that might be a bad idea security-wise. If you run external fcgi processes you can do so as any user, so there really is no need...
• Posted Splitting a Catalyst App and recombining it with Plack::Builder to davewood

  I had a big Catalyst App serving HTML.

  Some time later a RESTful interface was needed so I added RESTful controllers using Catalyst::Controller::REST

  But that broke Plack::Middleware::CSRFBlock, because the REST calls don't request a form and thus cannot add the secure token to POS…

• Commented on Poor Mans Jobqueue for Catalyst Apps
  Update: https://blogs.perl.org/users/davewood/2014/07/asynchronuous-task-distribution-with-anyevent-and-zeromq.html...
• Commented on Does anybody know Matthias Nutt?
  Have you tried contacting him through other means. email or phone? http://matthias-nutt.no-limit.de/CV.html...
• Commented on Asynchronous Task Distribution with AnyEvent and ZeroMQ
  send me a message if you are interested in more code. the example code used in this blog post is stripped down so it's easier to read.....
• Commented on Asynchronous Task Distribution with AnyEvent and ZeroMQ
  Thats correct. Now I can scale the worker processes while still having information about the job state in the DB. Do you see anything wrong with that?...
• Posted Asynchronous Task Distribution with AnyEvent and ZeroMQ to davewood

  Some months ago i wrote how to (ab)use your database as a messagequeue in order to distribute tasks among worker-processes.

  "From your code, it also looks like having more than one de…

• Commented on Removing Boilerplate with Import::Into
  hi ether? what do you want to express with your comment? Did Jimmy fall in the well? ;)...
• Commented on Removing Boilerplate with Import::Into
  I use Import::Into for avoiding boilerplate in my tests: # t/lib/MyApp/TestKit.pm package MyApp::TestKit; use strict; use warnings; use Import::Into; use FindBin qw/$Bin/; use lib "$Bin/../lib"; use MyApp::Util; use Test::More; use Test::Warnings; use Test::Fatal; use utf8; BEGIN { # load config...
• Commented on Are Abilities Roles?
  In really like parameterizing roles. I used to do it with MooseX::ParameterizedRole but recently I switched over to Package::Variant. package DD::Role::Ability; use strictures 1; use Package::Variant importing => ['Moo::Role'], subs => [ qw(has around before after with) ]; sub make_variant...
• Commented on Poor Mans Jobqueue for Catalyst Apps
  reporting back need more processes now. david@nio:~/dev/myapp$ ./script/myapp_job_daemon.pl Found job: 25 Found job: 25 Found job: 25 Processing test_id: 1355 Processing test_id: 1355 Processing test_id: 1355 =) looking for a job queue now, currently checking out ZeroMQ...
• Commented on bulk inserting tens of thousands of rows with DBIx::Class
  You can get rid of part of the literal SQL. ribasushi: (...) you need to make a correlator *and* you will not able to avoid literal sql entirely anyway ribasushi: so if "no literal" is your goal - it outright...
• Posted bulk inserting tens of thousands of rows with DBIx::Class to davewood

  For some crazy reason my $project had a denormalized database layout. I had a table 'job' with a column 'data' which had a serialized ArrayRef of HashRefs as value.
  …

• Posted Relationships with optional foreign key values (DBIx::Class) to davewood

  This entry demonstrates how to implement a relationship with optional foreign key values using DBIx::Class.

  Imagine two related tables 'human' and 'cat': A cat belongs to a human but when the human dies the cat can continue to roam freely.

  package MyApp:…

• Commented on DWIM Perl for Linux 5.18.1
  oops. forgot one possible argument. included dependencies of devel versions of libs....
• Commented on DWIM Perl for Linux 5.18.1
  Do not take this as an offense, but what is the point of DWIMPerl? With perlbrew and cpanm I can achieve the same result. So my question is: What is a reasonable use case of DWIM Perl for Linux? My...
• Posted parameterizable packages with Package::Variant to davewood

  Yesterday I tried to port a Moose App to Moo but got stuck when I found out it is using MooseX::Role::Parameterizable, a module not available in Moo. A quick visit in channel #moose on perl.irc.org later and I was told to give

• Commented on Poor Mans Jobqueue for Catalyst Apps
  Thanks for the input. I will look into improving the job queue as soon as there is time. For the moment it just works but certainly doesn't appear as scalable as before I wrote this posting....
• Posted Poor Mans Jobqueue for Catalyst Apps to davewood

  Handling long-running or heavy tasks inside a a requests is something you should avoid.

  • It blocks the available processes for other requests.
  • browser request timeout
  • ...

  Instead of using one of the job queue implementations available for perl

  …
• Commented on Securing your website against Cross Site Request Forgery Attacks
  https://blogs.perl.org/users/olaf_alders/2012/07/using-plackmiddlewarecsrfblock-and-jquery-to-deal-with-cross-site-request-forgery.html...
• Posted Securing your website against Cross Site Request Forgery Attacks to davewood

  I was pleasently surprised to find out that there is already a Plack Middleware that improves security against CSRF attacks. And it's very easy to use.

  I'll demonstrate with a Catalyst example but any app running with P…

• Posted using DBIx::Class::DeploymentHandler to davewood

  I used to work with DBIx::Class::Schema::Versioned to upgrade my DBIC Schema but soon I needed more then it offered.

  Starting with DBIx::Class::DeploymentHandler was a bit troublesome because I had a hard-ish time understanding the extensive documentation.

  Now that I moved past tha…

• Commented on Versioning Developer Releases
  This is how I version my software: 0.001_001 # dev release 1 0.001_002 # fix bug 0.001_003 # fix missing dependency 0.002000 # first "stable" release 0.003_001 # new feature 0.003_002 # fix bug 0.004000 # effectively 0.4.0 http://www.dagolden.com/index.php/369/version-numbers-should-be-boring https://blogs.perl.org/users/davewood/2011/12/cpan-my-first-time.html...
• Commented on Moving my Catalyst Apps from Apache/FCGI to Nginx/Starman
  UPDATE: https://blogs.perl.org/users/davewood/2013/01/nginx-fastcgi-vs-starman-erratum.html...
• Posted Nginx: FastCGI vs. starman (Erratum) to davewood

  2 weeks ago I've written Moving my Catalyst Apps from Apache/FCGI to Nginx/Starman

  Yesterday I have discussed my setup with mst, jnap and joel on irc.perl.org #catalyst…

• Commented on Moving my Catalyst Apps from Apache/FCGI to Nginx/Starman
  There is something missing in my nginx config which results in the following error msg. Use of uninitialized value in string eq at /var/www/perl5/perlbrew/perls/perl-5.16.2/lib/site_perl/5.16.2/Catalyst.pm line 2787. probably some config that passes the originating IP to the starman worker. more info...
• Commented on Moving my Catalyst Apps from Apache/FCGI to Nginx/Starman
  Nope. Benchmark and other comparison metrics sure would be nice to have. Perhaps if I find some time in 2013 I will put something together. But there might be some data available in the internets. http://www.wikivs.com/wiki/Apache_vs_nginx https://timmehosting.de/blog/benchmark-nginx-12-vs-apache-24-statische-dateien-drupal-typo3 And this just...
• Commented on 17.4% of CPAN uploads have no license in the META files
  Your post raises the question why one should add a license to a module?...

Comment Threads

• JackTX commented on Using jqGrid with Catalyst: Tutorial with Examples for Newbies

  Thank you for your blog it was very helpful. I encountered a couple of problems some were mine somewhere changes over time. jqGrid did not seem to be able to use jquery-1.9 or above. So, I downgraded.
  

• Verify that the user that connects to the DB can access the DB on the mysql server. For some reason, I could use the mysql command line to reach the server with my root user, but I could not get it to work with the code. I used another user with the code and it worked fine. I still don't know why I had to change users.


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