Joe Jordan joe-jordan
joe-jordan
/ cycles.py
Created
September 13, 2013 08:23
Function to find all the cycles in a networkx graph. Health warning: this thing is an NP-complete depth-first search, work hard to make the graphs you put into it small.
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| def find_all_cycles(G, source=None, cycle_length_limit=None): | |
| """forked from networkx dfs_edges function. Assumes nodes are integers, or at least | |
| types which work with min() and > .""" | |
| if source is None: | |
| # produce edges for all components | |
| nodes=[i[0] for i in nx.connected_components(G)] | |
| else: | |
| # produce edges for components with source | |
| nodes=[source] | |
| # extra variables for cycle detection: |
joe-jordan
/ Ruby Notepad Bookmarklet
Created
January 29, 2013 20:04
— forked from jakeonrails/Ruby Notepad Bookmarklet
Python version, with dark theme (twilight)
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| data:text/html, <style type="text/css">#e{position:absolute;top:0;right:0;bottom:0;left:0;}</style><div id="e"></div><script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script><script>var e=ace.edit("e");e.setTheme("ace/theme/twilight");e.getSession().setMode("ace/mode/python");</script> |