posted on 2008-08-25 14:14:44
It's already Fall semester. How messed up is that? I haven't learned near as much as I was hoping to by now. That said, I'm no longer as much of an idiot when it comes to programming. I'm just unlearned. Well, maybe that's what I was before. At any rate, some good fortune has come my way in that department. I'm helping out with a very cool startup related to cloud computing and getting mentored by a guy doing the sort of work I'd be interested in. He also happens to share some of my views on society and education.
I've had lots of financial thoughts lately. It's funny when you realize that you can count on one hand the material things that make you happy and count on the other hand your material needs. Afterwards you should figure out what it really costs you to happily
live (barring dependents) and figure out just how money jobs could consequently sustain you that way. Take that, put it in your pipe and smoke it.
Two parting thoughts:
One, this hackernews
discussion on the article Deschooling Society
is excellent. Someone should make a Facebook note about it and get some OU kids in on the discussion.
Two, Red Hat and Fedora's servers got hacked recently. The situation was resolved before any nastiness could filter downstream. CentOS servers were unaffected though and this makes me wonder if Fedora didn't share infrastructure whether they would've been hacked as well. What's the thought here? Well, it makes me think there's less
incentive to attack community distributions and, similarly, community products. I could certainly be wrong. Your thoughts?
posted on 2008-08-13 19:57:40
There's a quote I recalled reading on the internet and wanted to send to a friend recently but I couldn't find it. I stumbled across it today over on Lambda the Ultimate
and am archiving it here due to awesomeness. Lambda the Ultimate is a fantastic community centered around programming languages and there are many great discussions worth reading. This discussion starts off with the aforementioned quote which I'll excerpt here and goes on to discuss dynamism in languages, specifically as it relates to interactivity versus a specific typing discipline. Ready for the awesome quote? Good.By way of Luke Gorrie over on Lambda the Ultimate
By way of Joe Marshall in comp.lang.lisp:
Here's an anecdote I heard once about Minsky. He was showing a
student how to use ITS to write a program. ITS was an unusual
operating system in that the `shell' was the DDT debugger. You ran
programs by loading them into memory and jumping to the entry point.
But you can also just start writing assembly code directly into memory
from the DDT prompt. Minsky started with the null program.
Obviously, it needs an entry point, so he defined a label for that.
He then told the debugger to jump to that label. This immediately
raised an error of there being no code at the jump target. So he
wrote a few lines of code and restarted the jump instruction. This
time it succeeded and the first few instructions were executed. When
the debugger again halted, he looked at the register contents and
wrote a few more lines. Again proceeding from where he left off he
watched the program run the few more instructions. He developed the
entire program by 'debugging' the null program.
posted on 2008-08-13 12:36:30
So, I'm still into skateboarding these days. I don't mention that too much and I don't go skating as much as I'd like but it's true. I originally got into skateboarding because a dear friend twisted my arm to get me to play the original Tony Hawk's Pro Skater video game on the Playstation 1. God...I feel old now. Did I mention I just turned 22 last Wednesday? It didn't hit until I had to fly to Chicago for business the next day though. I was like, "It's August 7th, 2008? OMG WTF!!". Really.
Anyway, Tony Hawk's Pro Skater was awesome. I think what really captured my imagination was flip tricks. Frankly, I didn't know you could do any tricks at all with skateboards except maybe wheelies (manuals in the common parlance). Wheelies were one thing but the fact that people could jump in the air flip the board over under their feet and land and keep going just surprised me. Neversoft (the developer's of the Tony Hawk's series of games) produced a few more good titles and then had a sharp turn downhill. They were fun games but I worried another good skateboarding game wouldn't get made. Then EA (of all developers) came along last year and released skate. It was beautiful. In so much as you can get a skateboarding game right, they got it right. There's room for nitpicking but the nits are utterly trivial.
And EA is a big conglomerate. You don't expect them to do something that's true to skateboarding and it's culture. You expect cash-in, thanks for your money type work but skate was quality and I was converted. Skate 2 was recently announced and is, by all appearances, going to be fantastic but there's no official word on a release date. It flits from November 08 to March 09 so quickly I could punch a baby in frustration. Maybe not.
Anyway, they're naturally adding more professional skateboarders and companies to the lineup in the game but you can't add everybody. To that effect, a friend and I decided to figure that problem out. The solution, of course, is to cap the game at 50 riders. A representative sample of the world's top skateboarders, right? Well, that's what I figure. To keep the sample somewhat broad, choose 16 of the major board companies and restrict yourself to selecting 3 skateboarders from any given company (that makes 48) with room for two exception companies from which you'll pick 4 riders (50).
I selected all professionals (to my knowledge) and by only choosing pros on board companies I've effectively ruled that if you don't have a pro board you're not pro (sorry, Javier Sarmiento. you know I love you). This could be adjusted to allow for rippers who lack a board sponsor like Javier (inexplicable!) or to allow ams. Obviously, the roster will reflect my friend and I's biases circa 2008. To be fair, I've been bad at keeping up with skateboard news over the last two years (Dude! Boulala's in jail? The Firm shut down? Damn!) but I saw somewhere north of 70% of team videos (shop and indie vids are out) and magazine videos from 2002-2006. Alright, 16 companies, 50 riders. Go!
Alien Workshop: Dill, Kirchart, Saari
Almost: Haslam, Lutzka, Mullen
Baker: Kennedy, Reynolds, Romero
Blind: Brown, Creager, Laitala
Cliche: Brezinski, Nuske, Puig
Chocolate: Anderson, Calloway, Johnson
Darkstar: Gagnon, Machnau, Thomas
Element: Barbee, Stanton, Tim Tim
Enjoi: Barletta, Foster, Hsu
Flip: Appleyard, Burnquist, Glifberg, Rowley ; calling a 4
Girl: Anderson, Carroll, Koston, McCrank ; calling another 4sie
Habitat: Baxter-Neal, Getz, Janoski
Plan B: Duffy, Gallant, Way
Santa Cruz: Carolino, De Gros, Marfaing
Toy Machine: Bucchieri, Harmony, Marks
Zero: Cole, Rattray, Thomas
posted on 2008-08-07 20:54:02
It's taken far too long to post this up and the last four problems remain unfinished. That said, I want to get more of the solutions I've worked written up and I shouldn't have waited this long in the first place. With any luck Section 2.2 will follow within a week. I'm around half done with it and you can see some solutions here
posted on 2008-08-03 17:18:28
In the course of migrating my webserver to a new box this week I learned two useful tricks. They may or may not prove useful for anybody else but I think they're fun so here we go.
One, SSH Tunnels. SSH Tunnels are useful if you ever need to surf the web securely and you're on public or untrusted wireless (say at Starbucks) or when a website is blocked by a firewall and you need to access it.
SSH Tunnels are actually quite easy. Assuming you've got ssh setup on the remote server and an account at that server all you have to do is run "ssh -D 8080 email@example.com". Once you're logged in, open the Preferences for your web browser. This example will use Firefox 3. Go to Edit->Preferences, then the Advanced section, the Network tab and click Settings. Click the "Manual Proxy Configuration" radio button and under SOCKS Host put "localhost" and set the port to 8080. That's it! Surf away.
Two, resetting your wordpress admin account password. This is useful if you're such an idiot that you forget to change the random password that's initially on the account after you install wordpress. It assumes you have an ssh account to the server hosting the blog as well as access to the database tables for the blog. SSH into the server and run "echo -n your-new-password | md5sum". Copy that down and hang on to it. Then run "mysql -u user-with-access -p". Then run the following commands:
UPDATE wp_users SET user_pass="md5-you-wrote-down"
Check to make sure it went through with "SELECT user_pass FROM wp_users;" then type "exit".
Yep. It's good stuff. That's all I've got for now. I'm hoping to post up some mostly finished SICP sections in the next few days. If I'm lucky I'll even write something intelligent about education.
posted on 2008-08-01 12:59:51
It's been a good while since I posted last. After meaning to do it for months, I've finally migrated to a new web server. I'm self-hosting so I have no one to yell at about everything taking so long but myself. At any rate, I've migrated my Desktop, Server and Laptop from Ubuntu Linux to the custom Arch Linux build
I've been working on lately. Some old links in old posts are broken at the moment but I'm hoping to repair them in the coming weeks.
For now, I'm just glad this thing is back up and functioning after the week of chaos. I'm still committing code
as regularly as I can and for the first time in a long time Redline Radio
is live again as well. Let me know if you're interested in getting access. We will now return to the regular posting schedule. :-)
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