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thoughts on hyperthreading

From the time Intel released CPUs with hyperthreading until quite recently, I was a skeptic. A hater even. But now that I own some computers that feature hyperthreading, I’ve naturally had to change my mind, so now I like it.

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Posted 07 Sep 2012 21:17 by tedu Updated: 09 Mar 2013 21:46
Tagged: computers thoughts

new home router

I’ve been using a Soekris 4801 as a router for several years now, but it’s time for an upgrade. There are a couple projects I’ve wanted to play with that require more cpu, and it appears that my internet connection will exceed 100Mbps. I looked at the new soekris models, but the 6501-50 starts at $360, plus power supply and mounting hardware. I decided to take a risk on the OEM Production 2550L2D-Mx from newegg.com. Yes, that really is the manufacturer’s name. It appears I bought the last one. It’s out of stock now (and has two bad reviews it didn’t have when I ordered it three days ago). Atom processor, fairly regular PC motherboard, but with two Broadcom gigabit chips. Perfect for a router I suppose. For $129? Done.

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Posted 07 Sep 2012 20:50 by tedu Updated: 09 Mar 2013 21:45
Tagged: computers openbsd

Windows 8 Preview

Bit the bullet and installed the Windows 8 Release Preview on my HP laptop for poking around. Here are some initial impressions, likely to be updated as time goes by. I haven’t yet done anything with it, this is just from an hour of trying to bludgeon the system into shape.

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Posted 05 Sep 2012 09:05 by tedu Updated: 04 Apr 2013 13:22
Tagged: review software windows

flak has comments

Assuming you have discovered the secret login ritual, flak now supports posting comments. This post mostly exists to live test the feature. You can reply to a comment, but there’s no replying to replies. Deeply nested comment threads just don’t work well, so not supporting them is my way of hinting that “you are communicating incorrectly”.

Or did.

Posted 03 Sep 2012 22:49 by tedu Updated: 29 Nov 2014 03:49
Tagged: flak

AppleID confirm mail fail

I realized I was using an old email address for my Apple account. Besides some bizarre rules which make it hard to juggle active and backup emails, they send broken confirmation emails.

Here’s what I read:

Just click the link below to verify, sign in using your Apple ID and password, then follow the prompts.

Verify Now >

Yes. That’s the link. They oh so helpfully took the HTML part of the email:

Just click the link below to verify, sign =
in using your Apple ID and password, then follow the prompts. <br><br><a hr=
ef=3D"https://id.apple.com/..." cla=
ss=3D"aapl-link" style=3D"color:#0088cc">Verify Now ></a>

And converted it to text for me. Thanks! The ... part of that, btw, is about 400 chars of base64 encoded something. I approve, except unquoting and line folding it by hand is quite the chore. The strangest part is I have three slightly different emails from Apple, regarding my primary email, my backup email, and my security questions. Some of them have the above link, but omit other links.

Posted 01 Sep 2012 21:04 by tedu Updated: 01 Sep 2012 21:09
Tagged: mailfail

mail fail

I’m going to start posting examples of broken emails that companies send me. It’s 2012. What are you using to send this crap? I plan to exclude spam, which is almost always broken in some way (perhaps on purpose, the theory being that spam is designed to target the people who don’t filter it), but large companies which should know better.

Posted 31 Aug 2012 17:32 by tedu Updated: 31 Aug 2012 17:32
Tagged: mailfail rants

amazon mail charset fail

Amazon can’t pick a charset in their order emails. I bought an MP3 album by The Crüxshadows (let’s not discuss that right now, or ever). Here’s part of the email:

------=_Part_10851441_1164149591.1346373530449
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
...
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-1">
...
The Cr=C3=BCxshadows

Yes, it’s quoted printable and it is utf-8. So why is there a meta tag saying it’s latin-1? End result? This shit: The Crüxshadows

Posted 31 Aug 2012 17:32 by tedu Updated: 31 Aug 2012 17:32
Tagged: mailfail

writing an FFI interface

In ruby, the new cool thing to do when interfacing with a C library is to use FFI. The same is true with luajit as well. Instead of writing a bunch of C code, you just declare the existing C functions you want to use, and the runtime mostly handles things for you. There’s still a bit of a mismatch, because you’re not writing in C, so I generally stack a couple layers of abstraction over the top.

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Posted 31 Aug 2012 00:01 by tedu Updated: 23 Apr 2013 05:52
Tagged: programming software

three unimaginative sequels

I watched three movies recently.

The Dark Knight Rises

Hero defeats Bad Guy. What’s next? Hero fights Son of Bad Guy. Really? Hey, remember when the Joker made the people of Gotham participate in a social experiment game? That was really edgy, let’s do that again! Probably wouldn’t have been so bad with more Batman being cool and less Bruce Wayne moping about.

The Bourne Legacy

Let’s have an operative of a secret government project befriend a lady in distress and run away with her. What really disappoints here is that you only get half a movie. The other half of the time we’re watching news footage about the events of The Bourne Supremacy. Do I care about Pamela Landy climbing into a car? Not in this movie. Then we cut to Edward Norton shuffling some files around on a table to remind us, hey, look how many different secret programs there. See how imaginative we are.

Underworld Awakening

Especially after the third Underworld movie, I think expectations were set pretty low, but as far as sequels go, this is actually pretty good. It introduces new good guys and new bad guys, and they aren’t generic clones of the previous generation. It’s vampires versus werewolves, for sure, and of course the ultimate bad guy is even more ultimate, but now the humans are somewhat involved and they updated the look to a more futuristic urban environment. Also, the occasional daytime scene. More unique ideas here than in the above two movies combined.

Posted 28 Aug 2012 20:40 by tedu Updated: 29 Aug 2012 03:51
Tagged: moviereview

OpenBSD and VMWare Player

First off, don’t use VirtualBox. It’s terrible for running OpenBSD. I’ve had zero problems with VMWare Player. I installed using an OS type of FreeBSD, though it doesn’t seem to matter much. (This post was written against Player 4. Player 5 may sort out the networking issues. It provides a few more options in the machine configurator.)

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Posted 21 Aug 2012 21:46 by tedu Updated: 15 Mar 2013 02:28
Tagged: computers openbsd review software