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Photo Courtesy: jimray We have seen in a previous awk introduction article that awk can be an effective tool for everything from small one-liners up through some interesting applications. There are certainly more complex languages at our disposal if a situation calls for it; perl and python come to mind.
This post could be viewed as hard lessons learned for newly graduated college students, entry-level programmers, or advanced developers who just want a chuckle. I've been programming since I was 11 and I've loved technology and programming every since. There are some hard and easy lessons I've learned over time. As a fellow programmer, you may not have experienced these, but I'm offering them to individuals who are interested in learning more from my experiences. I'll be updating this as time goes on. I may have more, but in my 20 year period, I don't think there are any additional rules that this list doesn't include. :-)
I tried to update rubygems on CentOs but could not. First, I asked help to my friend Google and found this site: http://rubygems.org/read/chapter/3 It worked well on one computer but on another one I had this error: /usr/lib/ruby/site_ruby/1.8/rubygems.rb:578: in 'report_activate_error': could not find RubyGem session (>= 0) (Gem::LoadError) I tried many things until I realized that "session" is actually a gem!
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September 01, 2005 Lets face it, unless you have a photographic memory, no developer can remember all the different functions, options, tags, etc. that exist. Documentation can be cumbersome at times, thats why I like cheat sheets.