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• 05
  Mar 2014

  Monads as EDSL

  Tags: haskell monad ruby edsl evangelism

  DSLs are mostly standalone scripts or snippets, with a syntax different any other general purpose languages (otherwise they're not in DSL, but just this language). It's easy to tell what is a DSL: not C++, but can be loaded and executed by a C++ program; and what's not: C++.

  However, for EDSLs, the water is not this clear. At one extreme of the spectrum, EDSLs in Lisp is undeniably a DSL, but embedded in Lisp. On the other end, Ruby EDSLs are just ruby code that needs more explanation to clarify its meaning, and looks a little bit cooler than other code.

• 04
  Mar 2014

  Haskell My Destination

  Tags: haskell evangelism

  Sadly, people around me, even programmers, don't read much science fiction, so in case you don't recognize, the title is an allusion to Alfred Bester's book (find it out and read it!).

  Well, I come to realize that Haskell may be my last language. Well, I'd like to learn Clojure when I'm free and play with it, but I will always come back to write things in Haskell if possible. I've had such realizations before. Over time, Smalltalk, Ruby, Common Lisp, have all been my last language for some time, but Haskell is going to stick, I think.

• 29
  Dec 2013

  Programming in C++ in a More Functional Way

  Tags: c++ functional libcppa raft

  Recently I'm playing with libcppa, by implementing the Raft consensus protocol.

  When I am writing tests, I become more and more certain that classes is not the right pieces to make up a program. A class, or its encapsulation by using private members and methods can make some tests hard or impossible. If you lift the members to public, then the class is not necessary any more.

• 10
  Oct 2013

  Adding Teasers and Tags for Posts with Harp

  Tags: meta harp javascript jade

  Starting a blog using Harp is very easy. Here's how to add teasers to the front page, and how to make tag pages.

• 08
  Oct 2013

  Migrated Blog to Harp

  Tags: meta harp

  I have migrated my blog to Harp! Now I've waved goodbye to Jekyll and Blaze HTML, and am using Jade instead. I am pretty happy with the migration.

• 07
  Oct 2013

  LuaPP, a Wrapper for Lua in C++

  Tags: c++ lua luapp library

  LuaPP is a library I wrote to ease the embedding of Lua scripts into C++ applications. It's more C++-ish, and much easier to use.

• 06
  Oct 2013

  Introducing Python dbtxn Library

  Tags: python dbtxn library

  The python-dbtxn is a library I wrote to ease db accessing from Python programs. Directly calling Python DBI leaves a lot of boilerplate code all over the place, and boilerplate code is bad. I googled, and there are no dbtxn like libraries, so I wrote my own.

• 28
  Sep 2013

  My First Blog Post Here

  Tags: meta

  This is my very first blog post on this Jekyll powered static blog site.

  Posts are generated from Markdown drafts. Layouts and other HTML files are generated using Blaze HTML. Raw HTML feels ugly, especially with unbreakable long strings as attribute values. Generating HTMLs with DSLs solves this problem effectively. I am considering switching to some Ruby DSL later.