Thoughts dereferenced from the scratchpad noise.

0x0: Intro to Virtual Development Board building

Published at June 7, 2013 · Piotr Król · 3 min read

Preface First question: How to start ? Virtual Development Board - table of contents Kudos Preface There are many reasons why ambitious programmers should care about huge rush in embedded market. IMO there is great potential in it. I don’t want to go deep into this but take a look at all tablets, phones, smart TVs and other cool stuff like wireless in you washing machine or refrigerator (ok this two are right now only a gadgets :) )....

Categories: firmware

Workflow imporovement with Open Source tools - part 1

Published at May 16, 2013 · Piotr Król · 5 min read

Introduction I want to start a series of articles to describe how I improve my workflow with geeky Open Source applications. I will concentrate on terminal applications that I try to use in my GTD process. Terminal Solarized gnome-terminal If you already don’t know what solarized color scheme is then please take a look at this page. To install solarized colorscheme in gnome-terminal simply follow instruction from this git repository....

Categories: miscellaneous

Thunderbird to Mutt migration - tips & tricks

Published at May 15, 2013 · Piotr Król · 3 min read

Preface I migrate with my working environment to laptop. My workstation going older and I don’t have time to maintain few systems to keep it clean and in sync. I probably have to improve my work flow but right now I have different problems. Few weeks ago after changing environment to mobile and powerful laptop I also changed OS to Ubuntu and mail client to Thunderbird. I have to admit that both choices were mistake and I want to came back to Debian and Mutt....

Categories: miscellaneous

Yet another quick build of arm-unknown-linux-gnueabi

Published at April 3, 2013 · Piotr Król · 3 min read

So I decide to check what is going on with crosstool-ng and refresh my old post about building arm-unknown-linux-gnueabi toolchain. Last post was pretty popular, so definitely this is direction I should follow :). I will not repeat myself, so if you encounter any problems please check last post, section with known problems in crosstool-ng doc/ directory or RTFM. Let’s begin: Get the latest crosstool-ng As usual I’m trying to use latest version possible....

Categories: app-dev os-dev

Music for programming

Published at March 30, 2013 · Piotr Król · 2 min read

Of course this is strongly associated with personal taste but I will write my experience. <www.pandora.com> - really great radio station, choose your genre or artist and it will lead you through all variety of this type. unfortunately if you are fan of Iron Maiden, Blind Guardian, prog rock or irish folk you will be bored after 2 hours or less. Sadly not available in Poland {% emoji disappointed %} - maybe some proxy will work but I wasn’t able to find one....

Categories: miscellaneous

Tmux multiplexer and vi-like keys in copy-mode

Published at March 19, 2013 · Piotr Król · 1 min read

So I tried to write second post for my new blog but to effectively work using terminal I need terminal multiplexer. I switched to tmux from screen because I reach point that I can’t do some things in it in easy way and performance was poor. Also activity of tmux developers is better than for gnu screen. I also experienced annoy buffer crashing especially after come back from lock mode or cmatrix much but after reading few articles about alternative for screen I switched to tmux....

Categories: miscellaneous

Short hint for all those who use vim and pathogen

Published at January 15, 2013 · Piotr Król · 1 min read

Today, after updating my workspace to latest version I encounter below error during vim running. Error detected while processing function pathogen#runtime_append_all_bundles: line 1: E121, E116. Quick look on pathogen runtime_append_all_bundles function and I found...

Categories: miscellaneous

Sqlite3 gem not supported on Heroku

Published at November 18, 2012 · Piotr Król · 1 min read

When I tried to deploy second part of RoR tutorial to Heroku I get this error: An error occurred while installing sqlite3 (1.3.5), and Bundler cannot continue. Make sure that `gem install sqlite3 -v '1.3.5'` succeeds before bundling. ! ! Failed to install gems via Bundler. ! ! Detected sqlite3 gem which is not supported on Heroku. ! http://devcenter.heroku.com/articles/how-do-i-use-sqlite3-for-development ! ! Heroku push rejected, failed to compile Ruby/rails app To git@heroku....

Categories: app-dev

Prepare for Ruby on Rails on Debian wheezy

Published at November 18, 2012 · Piotr Król · 3 min read

I start to learn Ruby on Rails. As always when you learn new programming language toolchain is required. In this tutorial I will try to go through toolchain preparation for my Debian wheezy. Of course I based on Vim as my editor of choice. Second requirement will be using some parts of toolchain in latest greatest version. As a beginner point for learning Ruby on Rails I choose this tutorial. I will try to use their methods of setting environment adding my comments where it is needed....

Categories: app-dev

Mutt tutorial part 4 - html mails, address book and other useful features

Published at May 13, 2012 · Piotr Król · 2 min read

How mutt can handle mails in html format ? Takling about html mail handling is talking about handling any type of Multipurpose Internet Mail Extensions. Mutt supports handling for all MIME types in one place for all programs. This place is .mailcap file. Googling a little bit I found below mailcap file configuration (kudos to Bart Nagel). 1 2 3 4 text/html; pandoc -f html -t markdown; copiousoutput; description=HTML Text; test=type pandoc >/dev/null text/html;lynx -stdin -dump -force\_html -width 70; copiousoutput; description=HTML Text; test=type lynx >/dev/null text/html; w3m -dump -T text/html -cols 70; copiousoutput; description=HTML Text; test=type w3m >/dev/null text/html; html2text -width 70; copiousoutput; description=HTML Text; test=type html2text >/dev/null Of course we need to install all applications to make mailcap work correct:...

Categories: miscellaneous

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