HR Geeks

Calling robotics / engineering geeks

by adam on Sep.24, 2009, under electronics, robots

If you’re local to the 757 (Southside would probably be best, but it’s up to you), shoot me an email if you’re interested in helping out a local group of high school kids in building their FIRST robot for competition. Work begins in January, for competition later in the spring.

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Richmond Code Camp 2009.2

by Ethan on Sep.10, 2009, under Uncategorized

From their home page, “The next Richmond Code Camp will be held at the J. Sargeant Reynolds Community College campus on Parham Road on Saturday, October 3rd 2009. It’s totally free. No gimmicks. No sales pitches. Enjoy breakfast and lunch at no charge while you mingle with your peers in a state of the art learning facility and enjoy over 40 awesome sessions covering a wide range of database, software and portal development topics.”

Looks interesting and isn’t far. I was told there are presentations there not specific to Microsoft Windows environment. Would be good to hear a report from someone that attends!

Official site: http://richmondcodecamp.org/
(Uses Microsoft site for event registration)

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DC-2600: Meeting Summary for September 4, 2009

by Ethan on Sep.09, 2009, under Geek Meets

Things lined up right, and I was headed to DC for a data center visit for work so I made the most of my trip. I had lunch with Curt, a DC local I know from the diving forum (who also has computer skills) and then broke for the DC 2600. They start later, due to the traffic. I visited the old mall, and it looks so much smaller now that we have MacArthur center.

Having heard that the prior meeting had 17 or so, I looked forward to it. At first there was 2 folks, and then it turns out 4 others were in a different part of the restaurant. Everyone moved outside, and a few others joined. Overall it was pretty cool, but attendance was low due to the holiday. I told them I’d return in the future and perhaps bring more locals. Their meeting moved from the Pentagon City Fashion Center mall to a food place (similar to our HRGeeks meetings really). There seemed to be confusion on the location as the magazine just updated the info.

I’ll drop in again, but next trip it’s back to Raleigh unless I’m in DC already.

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HR-2600: Meeting Summary for September 4, 2009

by enferex on Sep.05, 2009, under 757labs, hr2600, website

Nice, chill, meeting this week. Lots of great talk and there was really little contention for talking. In attendance was Mark G, Paul, a brieeeefff appearance by Paul’s wife, the Spawn of Jody, Jody, Sunpuke, Remad, and myself. Some interesting discussions came up, such as music, queuing theory and its relation to real life, and table-to-chair-hight ratios. Short summary, however that factor should not be a testament to the meeting and its content. We stayed ’till kicked out. Ok, so “kicking-out” is a tad rough, we were nicely advised that the mall was closed.

-Matt (enferex)

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Quantum Flight and Pick ‘O the Beast

by enferex on Aug.25, 2009, under cool ideas

So, I was on a plane flight from Newport News to Boston this morning when a really cool thing happened to me. Shall I mention, 7AM is early early for me, and a 7AM flight requires even more time to drive to the airport and do the flight shindig, like stripping off the shoes and passing a stool sample. I figured, as I didn’t sleep well the prior night, that I could also catch some z’s during the flight, or at least ’till they deliver some coffee. Anyways, as we approached Boston, the flight attendant announced the temperature.

As long as I can remember, I have always tried to “predict” values before they are announced. In this case, the value being that of Boston’s temperature. So, when the attendant was jussssst about to fill in the “blank” in a phrase somewhat structured as: “The current temperature in Boston is ______” I decided to guess that value. My guess: 68. And to my surprise, I was right! Now, I decided to investigate this a bit more, being extremely tired, and just chillin’ with my eyes closed, this seemed like a fun exercise. So my conclusion follows.

First, lets assume coincidences do not exist. I started thinking about Schrödinger and his cat. If the value, that being the number on the display representing Boston’s temperature, was in some quantum superposition, the flight attendant’s observation might have knocked it out of superposition and made the value so. OR! Or possibly, my guess was observation enough to set the value. And then the attendant was announcing the number I mentally created. Well, of course this sounds a tad pseudo-scientific. I do not tout quantum physics, and this field has of course only confused many, as there are many aspects that seem to outsmart our inherent intelligence. In fact, maybe the mere fact that I had Feynman’s The Pleasure of Finding Things Out in my lap was enough to make me the thermostat of Boston. If only I focused on creating snow. In fact, maybe the result was not a Schrödinger cat act, but rather quantum entangling, and just flipping the neurons in my brain that were subconsciously trying to tune-in to the value. We could go in this hypothetical way for some time. Pretty cool. But lets try something else. How about a more statistical approach.

Since the radio informed me, upon travel to the airport, as being in the 70s or 80s in Virginia, I assume that the more northern locale of Boston should be cooler. Well, being August, I can guestimate a reasonable range of about 65 to 75. So that’s a rough range of 10 values or so. Being that I would also assume the number as natural, our fractions are eliminated. In this thought experiment, I now have a 1/10 probability of being the envy of all meteorologist. That seems a fair chance that I would make a reasonable guess.

So, either way, I was quite impressed with my conclusion of 68. Despite how I arrived at that value, I believe my subconscious had all to do in this case. I envision my subconscious as doing the churning here, and merely telling my conscious that “Hey conscious here’s a value for ya!”. At the time of guess, it seemed as if the number came out of nowhere. But upon deeper analysis, it seems logical that, however it happened, my subconscious had something to do. Therefore, upon delivery of this value to my conscious, and at the time not knowing where 68 came from, I felt mega-psychic. It was quite a humbling surprise. The mind is amazing. But, I confess, last night, I had the news on and Pick-Three came on. Well, to my surprise, I was off. I wonder if barometric pressure affects the results, pick-o-the beast. .

-Matt (enferex)

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HR-2600: Meeting Summary for August 7, 2009

by enferex on Aug.08, 2009, under hr2600

Yeah, nice turn out. So this month, we had a really good attendance. But attendance does not matter so much, it is not like we are a cult and seek some kind of monetary profit from attendance. Rather, we seek intellectual contributions as a profit, thus mere attendance is not a function of output. However, attendance does provide a greater probability that unique discussions will surface. Even though we now center along-side a linear table, as opposed to a circular design, we can still have a great meeting. The turnout was quite interesting, we had, assuming the table is a graph and starting from the back edge, the nodes of communications were: Ninja Gumby, Ian, Jody, Skhisma, Mr Geeeeeee (with his eeeeEeeEeee) or at least a netbook of some form, cdated, Tom, RD, Grey, Dave, Tele, Remad, and myself. For some reason I feel like I’m missing a node, so if that is the case, just drop a comment. Aside from attendance, Tele was workin’ his stereo, that tried to eject itself earlier in the day; and Remad brought a great magazine that, some of us Conspiracy nuts *cough*me*cough*, really enjoyed. And no Sunpuke? Most of us figured he was probably either hanging out with Slayer, or at a metal show.

-Matt (enferex)

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libsheap: Sheap Helps Examine Allocated Pointers

by enferex on Jul.15, 2009, under 757labs, tools

libsheap is a simple shared library to aid runtime heap analysis of an application. This library wraps malloc and free calls. The allocated data returned by the memory allocator is output as well as the amount of CPU cycles between calls to the true, underlying malloc implementation. If glibc’s malloc, ptmalloc2, is used the actual size, including the header malloc attaches to each returned chunk is reported. The size of a returned chunk is typically more than that of what the user requests, as the extra size can help reduce fragmentation.

Special thanks to Google and stackoverflow.com where I learned about wrapping routines in the GNU/Linux system. Much of the wrapping code was paraphrased from Checker’s answer to a post over at stackoverflow.com Thanks Checkers!

This project is released under the GNU LGPLv3 license. So take to your shears!

-Matt (enferex)

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HR-2600: Meeting Summary for July 3, 2009

by enferex on Jul.04, 2009, under hr2600

Quite a nice gathering this month, and that does not include the Twitter meetup, whom planed their meeting to coincide with ours. We still had a nice turn out. of our own. In attendance was Poseidon, Dave, Jody, the Spawn of Jody, Mark, Paul, Tele, Sunpuke, Remad, Derez, and myself. One of the people from the other meetup decided to hang with us for a while.

All in all, the meeting accomplished the dissemination of information in various forms. Information? Surely as we communicate, not all information is meaningful. Some might consider that if we try to reverse the Second Law of Thermodynamics (reverse entropy), and obtain meaning out of nothing, we might find a result of rather comical and potentially useful ideas. So how does that even pertain to what we talked about? No clue, but if we change our view of the discourse, we might arrive at neat conclusions. As you might have noticed, I tend not to actually elude much to our discussions here. So much is communicated, that creating a summary would be rather exhausting. So, really, we have no agenda, aside from just hanging out and being human.

-Matt (enferex)

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Neighborcon in Knoxville, TN was Neighborly!

by Ethan on Jun.30, 2009, under Uncategorized

I ventured to Knoxville, TN over the weekend for a small con. I think the official attendance was around 27 people. It was good! People came from DC, Chicago, Atlanta, Lexington, Philly, Virginia and Maine (That I remember). Overall it was a great time, and fun to be able to discuss technical topics with knowledgeable people.

Neighborcon at the Yacht Club

Neighborcon at the Yacht Club

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HR-2600: Meeting Summary for June 5, 2009

by enferex on Jun.06, 2009, under Uncategorized

Despite the torrential downpour and threat of tornado action, the meeting was still on. In attendance, starting counter-clockwise from my seating position, was Remad, Andrew, Telemnstr, Jody, and myself (enferex). It was a pretty chill meeting, lots of discussion. So, what did we talk about? Tunnels/caves/inner-earth dwellings of mega-coolness. And, of course, we talked about Sneakers, and the new Star-Trek. While, I have yet to see this movie, Jody pulled out a killer rant on Spock and the temporal association with the Beastie Boy’s. In fact, I suggest, even if not a fan of either of the aforementioned nouns, to check Jody’s rant. Well, it still seems that the meeting is listed at Lynnhaven still. The proper listing-authorities have been contacted. But that’s how we operate, super-elusive, after-all no one really reads these summaries anyways.

Whoops, I was wrong. The official 2600 site does have the proper information listed. So I guess we aren’t as elusive as I originally mentioned.

-Matt (enferex)

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