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Charles Nutter (headius)
Works at Red Hat Software
Attended University of Minnesota
Lives in Richfield, MN
1,153 followers|334,473 views
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Shameful.
This piece comes to us from Harold Pollack, a professor at the University of Chicago and a writer at the blog SameFacts.com. I wonder what Dr. Martin Luther King, Jr. would think about the current health reform debate. OK, I don’t really won...
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ugh. 
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JRubyConf.eu 2014!
I'm thrilled to announce that we'll have another edition of JRubyConf.eu  this year! Last year's event was a great success. We had a two-day conference in Berlin immediately before Eurucamp 2013 , with two speakers from the core team (myself and Tom Enebo )...
I'm thrilled to announce that we'll have another edition of JRubyConf.eu this year! Last year's event was a great success. We had a two-day conference in Berlin immediately before Eurucamp 2013, with two speakers from the cor...
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Charles Nutter (headius)

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It makes me yawn.
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Dinner with my eldest.
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I'm not sure this is the side of Belgium I want to taste...
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I was recently asked for a list of "hard problems" a Ruby implementation really needs to solve before reporting benchmark numbers. You know...the sort of problems that might invalidate early perf numb...
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Lots of fun challenges, for sure. And it seems the Hotspot guys agree...they take my complaints about optimization failures as challenges. The future looks bright.
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Have him in circles
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I'm thrilled to announce that we'll have another edition of JRubyConf.eu this year! Last year's event was a great success. We had a two-day conference in Berlin immediately before Eurucamp 2013, with two speakers from the cor...
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Proud to watch Sara Nutter starting her journey into programming!
I wanted to talk a little bit about why I chose to take up programming now. I've mentioned some major life shifts earlier this year which prompted me to go a different direction, but if you know anything at all about me, you ...
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We helped setup a computer programming club for 4th and 5th graders to code (two years in a row for most of the school year). Over 1/2 of the club members are girls. (Which was a goal!) And the top programmer in the club (this last year which just ended) was a girl. There are many top programmer in the class. Smart group. The stuff they come up with is awesome. I think programming clubs and socializing takes some of the stigma away. My oldest daughter (now in college) programmed at a very early age, but later decided it was no longer cool. So forming clubs might help. Programming support group. LOL
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Love, love, love! Josh Josh Josh
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My first trip to Australia for RubyConf Australia 2013 in Melbourne.
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A bit on recent perf improvements for constants and globals in JRuby.
With every JRuby release, there's always at least a handful of optimizations. They range from tiny improvements in the compiler to perf-aware rewrites of core class methods, but they're almost always ...
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By the way my timer in running on the following JRuby packages/classes. Anything important i missed, i'd appreciate if you could shed some of your expertise plz ?

"org.jruby.runtime.load" 
"org.jruby.rack.RackApplication" 
"jruby.ext.jruby.JRubyFiberLocal"
"org.jruby.runtime.CallSite"

https://github.com/jruby/jruby/wiki/JRuby-Performance-profile
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I have my concerns about Ruby 2.0's "refinements" feature, but I'm trying to be as objective as possible. We either need to find a middle ground or get rid of the feature altogether.
What does the following code do? If you answered "it upcases two strings and adds them together, returning the result" you might be wrong because of a new Ruby feature called "refinements". Let's sta...
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People
Have him in circles
1,153 people
Peter Suschlik's profile photo
Pashh PGH's profile photo
Jiayun Zhou's profile photo
George Ball's profile photo
Julien Blanchard's profile photo
Przemysław Ładyński's profile photo
Chris Jester-Young (cky)'s profile photo
麻吉機車行's profile photo
Kirk Pepperdine's profile photo
Work
Occupation
Programmer
Employment
  • Red Hat Software
    JRuby Architect, 2009 - present
  • Sun Microsystems
    Sr. Software Engineer, 2006 - 2009
  • Ventera
    J2EE Architect, 2003 - 2006
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Richfield, MN
Previously
Woodbury, MN - St Paul, MN - Richfield, MN - Little Canada, MN - Vancouver, BC
Story
Tagline
He's just this guy, you know?
Introduction
I work on JRuby, hack the JVM, play videogames and Go, and drink beer.
Bragging rights
I have met both Warwick Davis and Wendy's founder Dave Thomas.
Education
  • University of Minnesota
  • University of Minnesota
    Computer Science, 1995
Basic Information
Gender
Male
Relationship
Married
Other names
headius