Tag Archives: Ruby

mdpress – Present your markdown file in slideshow

I have been using reveal.js to create slideshow from markdown. It’s very nice and powerful. But the setup is a bit complicated. Sometimes i want to have a more simple solution.

Other than reveal.js, impress.js is a similar tool which allows you to present your ideas in a even more fancy way. I am not going to go into details of impress.js. Instead, i would introduce a tool called Mdpress which generate the .html presentation from markdown.

1. Install the Mdpress.

gem install mdpress

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rbenv – Ruby version manager

rbenv is an alternative to rvm for managing your Rubies. You can find some articles comparing the two. In general, rbenv is more lightweight without overriding the cd and gem command which rvm does and their similarities outweigh their differences. Here is a great article written by Jonathan Jackson about the two solutions.


For Mac users, you could install rbenv using Homebrew. Otherwise, you need to checkout the repository on GitHub.

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Manage your Python projects with virtualenv

Last week we talked about managing multiple Pythons using pyenv.


But still we are lacking something like the Gemfile in Ruby for managing the version of those Python packages in a Python project. And here comes the Python virtualenv.

We can create different virtualenv on the same machine and each of them has its own Python binary, the pip package and the all other standard Python libraries needed to run the Python. In other words, each virtualenv acts like the Gemfile in a particular Python project.
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Mongoose – Simple web server

Thanks my friend Mart who introduces reveal.js to me. It’s a great presentation framework and we used it for our Front End Web Development course in General Assembly.

Without the web development framework like Python Django or Ruby on Rails which bundle with pserver and WEBrick, i would like to find a light weight web server such that i could edit and preview my markdown which runs on reveal.js. Finally i find Mongoose.
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DumpCamp – Introduction to New Relic

In the 2nd DumpCamp meeting, Ronnie showed us a SAAS service called New Relic which provides Application Performance Management solution mainly for web applications and servers. It’s capabilities include but not limit to:

  • Performance analytics on Ruby, Rails, PHP, Java, .Net, Python applications
  • Real User Monitoring
  • Server Monitoring
  • SQL/NoSQL Performance Monitoring
  • Web Application Transaction Tracing

The Lite account is free and i tried it today. The setup is easy and straight forward. Just register an account online with some configurations on your web server through SSH. Then you could views your server and web application performance online.
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