Bytefilia http://bytefilia2.com Technology blog for human readers Fri, 22 Apr 2016 12:25:44 +0000 en-US hourly 1 https://wordpress.org/?v=4.5.2 Prioritizing a backlog with multi-attribute utility analysis (MAUA) http://bytefilia2.com/prioritizing-backlog-multi-attribute-utility-analysis-maua/ http://bytefilia2.com/prioritizing-backlog-multi-attribute-utility-analysis-maua/#respond Mon, 11 Apr 2016 11:20:34 +0000 http://bytefilia.com/?p=385 One of the most important things a product owner should do is to prioritize. What should we do now? Where should we put all our efforts, money and brains?. Inside a product team there are internal and external inputs that vary from opportunities, experiments and outcomes to risks, debts or defects. While different sub-teams can Read more →

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Work in progress (WIP) in Scrum http://bytefilia2.com/work-in-progress-wip-in-scrum/ http://bytefilia2.com/work-in-progress-wip-in-scrum/#respond Thu, 29 Oct 2015 09:58:58 +0000 http://bytefilia.com/?p=353 Let me tell you a story, about how important is focus (a core value of Scrum) and how work in progress (WIP) affects it. Two scrum teams were working once. Team A and team B. All were motivated, good, smart, had equally good product owner with equally INVEST user stories. They both want to do Read more →

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Testing with zombie and jasmine for nodejs http://bytefilia2.com/testing-with-zombie-and-jasmine-for-nodejs/ http://bytefilia2.com/testing-with-zombie-and-jasmine-for-nodejs/#respond Fri, 27 Jun 2014 15:54:03 +0000 http://bytefilia.com/?p=330 An interesting choice for performing acceptance tests for your web application can be the use of a headless browser. You could model your acceptance tests directly from for instance your scrum user stories’ how to demo. That can be achieved through the use of a behaviour-driven testing framework. I have created an example with the Read more →

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Database migrations with node db-migrate http://bytefilia2.com/database-migrations-with-node-db-migrate/ http://bytefilia2.com/database-migrations-with-node-db-migrate/#respond Thu, 19 Jun 2014 08:36:35 +0000 http://bytefilia.com/?p=325 To continue with the research on database migrations started with the post about liquibase I will provide a small tutorial for node’s db-migrate on how to database migrations with node db-migrate I am much more used to this kind of tool in which the developer’s responsibility of providing migrations is done in the same language Read more →

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Managing database schema changes with liquibase on an existing database tutorial http://bytefilia2.com/managing-database-schema-changes-liquibase-existing-schema/ http://bytefilia2.com/managing-database-schema-changes-liquibase-existing-schema/#comments Wed, 18 Jun 2014 13:02:02 +0000 http://bytefilia.com/?p=311 If you have had a project with several developers working at a high velocity on different branches you are probably aware of the amount of trouble that a theoretically simple task such as managing the db schema changes can provoke. The main issues occur on a daily-basis at development, less DRY, less agile; also the Read more →

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Dividing scrum user stories into dummy tasks is evil http://bytefilia2.com/dividing-scrum-user-stories-into-dummy-tasks-is-evil/ http://bytefilia2.com/dividing-scrum-user-stories-into-dummy-tasks-is-evil/#respond Tue, 18 Feb 2014 17:56:20 +0000 http://bytefilia.com/?p=297 One of the keypoints of the scrum sprint planning meeting is the division of the user stories into tasks it leaves less questions unclear to anyone, by dividing you find out more about the task it helps provide better estimations it gives all the team the same understanding of the user story scope, affecting at Read more →

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A script for running an erlang application as a service on a user http://bytefilia2.com/running-erlang-application-as-service/ http://bytefilia2.com/running-erlang-application-as-service/#respond Wed, 18 Dec 2013 11:13:32 +0000 http://bytefilia.com/?p=286 As a newbie erlanger I had to deploy my first application into production some time ago. Also it had to be run by a specific user. I am way too far from knowing what there is to know about erlang releases, so I have come up with some quick solution in the meantime. Maybe you Read more →

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CSRF in django rest_framework http://bytefilia2.com/csrf-django-rest_framework/ http://bytefilia2.com/csrf-django-rest_framework/#respond Mon, 16 Dec 2013 15:53:07 +0000 http://bytefilia.com/?p=281 I am very much into connecting different front-ends (angularjs, javascript, titanium appcelerator, and so on…) to a rest back-end as you may have seen on previous articles. This made me aware of problems with django’s CSRF protection, yet another developer hiccup What is CSRF? CSRF, standing for cross-site request forgery is a kind of attack Read more →

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Mobile facebook application with django allauth sign up http://bytefilia2.com/titanium-mobile-facebook-application-django-allauth-sign-sign/ http://bytefilia2.com/titanium-mobile-facebook-application-django-allauth-sign-sign/#comments Mon, 18 Nov 2013 14:59:51 +0000 http://bytefilia.com/?p=254 These past weeks I have been investigating some technologies for a titanium client-server mobile social application with a rest backend. I have come up with a nice config for django with allauth and the rest_framework, all used without too much work form the titanium side. Here are my findings on the subject for a titanium Read more →

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Google maps rails crud sample application (I), creating a marker and saving its data in the database http://bytefilia2.com/google-maps-rails-crud-demo-creating-marker/ http://bytefilia2.com/google-maps-rails-crud-demo-creating-marker/#respond Mon, 28 Oct 2013 12:03:38 +0000 http://bytefilia.com/?p=226 On a previous post I mentioned something about google maps geocoding with rails. I have finally put together a database driven google maps CRUD demo (because crud is the new hello world!) This demo rails app (called playgrounds) is written for Rails 4 (ruby 2.0.0) with gmaps4rails and you have the full code available for Read more →

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