Author Archives: Matan
A Bit of Coding
Given a sequence of cards from a deck of cards (repetitions such as twice ace of hearts are allowed) and a subset of cards, write an algorithm that removes any occurence of any of the cards in the subset from the sequence. For instance, given the sequence [As,4s,6h,6h,7d,Kc,Ks] and the subset [As,6h] the output should [...]
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Dynamic Library Binding Error on Mac OSX with Rails
While creating a rails application skeleton I ran into the following dyld complaint: ~$ rails exp dyld: lazy symbol binding failed: Symbol not found: _rb_intern2 Referenced from: /Users/matan/usr/lib/ruby/1.9.1/gems/hpricot-0.8.1/lib/fast_xs.bundle Expected in: flat namespace dyld: Symbol not found: _rb_intern2 Referenced from: /Users/matan/usr/lib/ruby/1.9.1/gems/hpricot-0.8.1/lib/fast_xs.bundle Expected in: flat namespace Trace/BPT trap If the above looks familiar to you try to [...]
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vimdiff
If you’re a command-line animal like I am you need to know vimdiff. vimdiff is an interactive file comparison and merging utility for the command-line. It simply starts Vim in a special mode called the diff-mode. To get started with vimdiff from the command-line, $ vimdiff oldfile newfile 2 pairs of commands will get you [...]
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My Makefile Snippet
I use SnippetsEmu for my snippets in Vim. Offered for download below are my snippets for makefiles for C and C++. The C and C++ makefiles will expand on makec and makecc, respectively. Place the file in ~/.vim/after/ftplugin/. Make sure it is named make_snippets.vim and you have SnippetsEmu installed. make_snippets.vim let st = g:snip_start_tag let et = [...]
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How to Uninstall the OS X GTK+ Development Framework
Delete the framework directories /Library/Frameworks/{Gtk,Cairo,GLib}.framework Delete the XCode User Template /Users/You/Library/Application Support/Developer/Shared/XCode/Project Templates/Application/GTK+ Application
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Parsing a Graph
In Ruby parsing a graph data-structure from an input stream is surprisingly easy if I represent the graph internally as a hash of node-to-neighbours. Consider the following graph data input: a: [b, c, d] b: [b, c] c: [a] Node a points to neighbour nodes b, c and d. Similarly node c points to neighbour [...]
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Curious Laughs
There’s nothing more heart-warming and curiously funny than another person laughing. It makes me feel good, and I don’t even know why.
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Good day stranger, and welcome to my corner on these here interwebs.
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INSPext (Or: Of Uselessness & Usefulness)