| --- Log opened Thu Jul 19 00:00:52 2012 |
| 00:10 | | You're now known as TheWatcher[T-2] |
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| 00:19 | | Netsplit *.net <-> *.split quits: @Tamber, gnolam, Attilla, @Kindamoody[zZz], froztbyte, jerith |
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| 01:09 | | Derakon [Derakon@Nightstar-a3b183ae.ca.comcast.net] has joined #code |
| 01:09 | | mode/#code [+ao Derakon Derakon] by ChanServ |
| 01:16 | | iospace is now known as io\SPAMM |
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| 04:35 | | mode/#code [+o Vash] by ChanServ |
| 04:36 | | iospace is now known as iospacedout |
| 04:36 | <&Derakon> | Hm, Firefox as of the latest version now automatically fills in the URL bar with the closest match. |
| 04:37 | <&Derakon> | Which means if I want to delete that I have to hit delete twice instead of once. |
| 04:37 | <&Derakon> | Stupid changes breaking my reflexes. ?.? |
| 04:38 | <&Derakon> | Ah, browser.urlbar.autoFill is the culprit. \o/ |
| 05:10 | | * Vornicus apparently needs more css chops to pull some things off. |
| 05:11 | | SmithKurosaki [smith@Nightstar-ad56e792.home1.cgocable.net] has quit [Ping timeout: 121 seconds] |
| 05:11 | <~Vornicus> | and other rants. |
| 06:21 | | Derakon is now known as Derakon[AFK] |
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| 09:09 | | You're now known as TheWatcher |
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| 11:10 | < Nemu> | So, who's in here, right now? I need to ask a question about a signal processing concept |
| 11:11 | < Nemu> | Essentially, my problem is as follows: |
| 11:12 | < Nemu> | I have a large-ish data set, 446464x64, doubles. |
| 11:12 | < Nemu> | It was sampled at 1024 hz. I need to filter it to get the information contained between 8 and 12 hz |
| 11:13 | < Nemu> | So, I'm ridiculously oversampled |
| 11:13 | < Nemu> | I can downsample, like, 1024/8 times. My problem is in the anti-aliasing filter before that |
| 11:14 | < Nemu> | Basically, since my data occupies [8/1024 12/1024], my antialiasing bandpass filter occupies a tiny area of omega |
| 11:15 | < Nemu> | I also need to predict the phase and group delay, so I'm trying to use an FIR filter |
| 11:15 | < Nemu> | To get anything close to decent rejection, I need, like, a 250th order filter. |
| 11:15 | < Nemu> | Is this reasonable, and are there any better alternatives? |
| 11:15 | < Reiver> | ...why are you doing this? |
| 11:16 | < Nemu> | Real-time filtering of EEG data, to extract alpha and gamma |
| 11:22 | < Nemu> | Like, I thought that oversampling was a good thing, that people went out of their way to do. In this case, though, it's causing me nothing but problems. That's why I'm wondering if there's another way. |
| 11:26 | < RichyB> | Anti-aliasing before downsampling is just a low-pass filter, no? |
| 11:27 | | * TheWatcher flails at cow-orkers to just leave him the hell alone so he can hack-mode, damnit |
| 11:34 | | Reiver [reiverta@5B433A.F67240.6579BD.3C60CE] has quit [Client closed the connection] |
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| 11:36 | <&McMartin> | zomghax |
| 11:36 | < Reiver> | ?? |
| 11:36 | <&McMartin> | 03:27 * TheWatcher flails at cow-orkers to just leave him the hell alone so he can hack-mode, damnit |
| 11:43 | < Nemu> | It can be. In my case, though, that would result in aliasing, I think. The data I'm interested in is at 8-12 hz, so if I downsampled to the nyquist frequency, 8 hz, I've folded back around. |
| 11:45 | < Nemu> | I can do it safely with a lowpass at 24 hertz and downsample a bit less, but then I lose some of the benefits gained from downsampling |
| 11:45 | < Nemu> | I've got unnecessary data remaining below 8 hz |
| 11:46 | < Nemu> | Also, if the user were to specify 4 hz bandwidth, but, say, 508-512 hz, suddenly I can't downsample at all, despite clearly having the bandwidth for it |
| 11:53 | | iospacedout is now known as iospace |
| 13:26 | < ToxicFrog> | This sounds like the kind of thing I knew how to rock five years ago and have never needed since :/ |
| 13:28 | < Nemu> | Yeah. It doesn't seem like a hard problem. Just, like, my filter has a bandwidth, in angular domain, of, like, 0.004*pi rad |
| 13:29 | < Nemu> | Kind of hard. In an analog application, this would require a really high Q filter. I'd probably have to use a crystal or a ceramic resonator |
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| 14:50 | | ServerMode/#code [+ooaoao Tamber Kindamoody|afk Derakon[AFK] Derakon[AFK] jerith jerith] by *.Nightstar.Net |
| 15:00 | | Netsplit *.net <-> *.split quits: @Derakon[AFK], Attilla, froztbyte, @Kindamoody|afk, @jerith, gnolam, @Tamber |
| 15:02 | | Netsplit over, joins: @Tamber, &jerith, gnolam, &Derakon[AFK], froztbyte, @Kindamoody|afk, Attilla |
| 15:06 | | * TheWatcher eyes this error message |
| 15:06 | | gruber [lenin@Nightstar-202a5047.priv.bahnhof.se] has joined #code |
| 15:07 | <@TheWatcher> | not often you get to write things like `$self -> self_error("Unable to execute helpful history lookup for user $userid: ".$self -> {"dbh"} -> errstr)` |
| 15:08 | | Netsplit *.net <-> *.split quits: @Derakon[AFK], Attilla, froztbyte, @Kindamoody|afk, @jerith, gnolam, @Tamber |
| 15:09 | | Netsplit over, joins: @Tamber, &jerith, gnolam, &Derakon[AFK], froztbyte |
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| 15:10 | | Netsplit over, joins: Kindamoody|afk |
| 15:13 | | mode/#code [+o Kindamoody|afk] by ChanServ |
| 15:13 | <@TheWatcher> | Or documentation comments like '@param commentid The id of the comment to check for helpfulness to the user' |
| 15:15 | | Attilla [Obsolete@Nightstar-3b05d67d.as43234.net] has joined #code |
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| 16:01 | < ToxicFrog> | oh god yes |
| 16:01 | < ToxicFrog> | clojure makes it so easy to work with immutable structures |
| 16:05 | <&McMartin> | Direct access to the past is so great |
| 16:10 | < ToxicFrog> | Yes |
| 16:15 | <&McMartin> | I find myself somewhat sad because the obvious thing for me to do with Clojure I would be better served doing in Java for ease of Android Deployment and because it's converting something from a similar language. |
| 16:18 | <&McMartin> | (The obvious thing for me to try is to do an Android port of Hex Inverter) |
| 16:23 | < ToxicFrog> | I'm just porting Kessler to it. |
| 16:24 | | Kindamoody|afk [Kindamoody@Nightstar-05577424.tbcn.telia.com] has quit [Connection closed] |
| 16:25 | < ToxicFrog> | The result is, so far, half the size of the equivalent Scala code (with a higher proportion of documentation), is faster, and has a more robust parser. |
| 16:25 | | Kindamoody|afk [Kindamoody@Nightstar-05577424.tbcn.telia.com] has joined #code |
| 16:25 | | mode/#code [+o Kindamoody|afk] by ChanServ |
| 16:33 | <&McMartin> | Hm |
| 16:33 | <&McMartin> | I guess I could start porting my various not-blog things over to a Clojure-based static CMS. There are several. |
| 17:11 | < RichyB> | ToxicFrog, "is faster" is vaguely surprising. I thought Scala was supposed to be very speedy-implementation focussed? |
| 17:11 | < ToxicFrog> | RichyB: if you are specifically focusing on speed, yes. |
| 17:12 | < ToxicFrog> | I was focussing on ease of implementation which meant I was using some convenient but very inefficient stuff. |
| 17:12 | < RichyB> | Huhhokay. |
| 17:13 | < RichyB> | I was under the impression that they had scary subtypes and specialisation and other features like that that complicate the type system but make it capable of picking efficient, appropriate, mostly-unboxed data structures from fairly generic-looking code. |
| 17:16 | | * ToxicFrog shrugs |
| 17:16 | < ToxicFrog> | I've never done performance-critical stuff in scala, so I haven't really paid much attention to that. |
| 17:17 | < ToxicFrog> | I have heard from others that scala can be blazing fast but you need to specifically structure your code so that it can do what you described. |
| 17:17 | < ToxicFrog> | And that this is a major annoyance to people who are writing performance-critical code in it. |
| 17:20 | < RichyB> | Heh. Fair enough. Thank you for the information. |
| 17:28 | | Kindamoody|afk is now known as Kindamoody |
| 18:01 | < iospace> | http://www.theregister.co.uk/2012/07/19/apple_samsung_did_not_copy_us/ |
| 18:01 | < iospace> | BAHAHAHAHAHA |
| 19:01 | < iospace> | ah |
| 19:01 | < iospace> | debates that matter: Emacs vs Vim |
| 19:09 | < froztbyte> | lulz |
| 19:09 | < froztbyte> | it ain't friday yet. |
| 19:11 | | Rhamphoryncus [rhamph@Nightstar-5697f7e2.abhsia.telus.net] has joined #code |
| 19:12 | | Kindamoody is now known as Kindamoody[zZz] |
| 19:17 | < Tarinaky> | Windows 7 is now installing. |
| 19:17 | < Tarinaky> | May Tux have mercy upon our souls. |
| 19:19 | < ToxicFrog> | Tux has no mercy for the heretic~ |
| 19:21 | <~Vornicus> | Also, there is only one answer to iospace's query: ed. |
| 19:21 | < Tarinaky> | Surely BSD would be heresy? |
| 19:21 | < Tarinaky> | Windows is just outright heathen. |
| 19:21 | < iospace> | Vornicus: was ed presented as an option? nope |
| 19:22 | < Tarinaky> | Cat and piping. |
| 19:22 | < Tarinaky> | If we stick only to the two presented options... |
| 19:22 | <~Vornicus> | that's too bad. anyway: |
| 19:22 | < Tarinaky> | Then Emacs is by far the superior operating system. |
| 19:22 | < Tarinaky> | But vim has a better text editor. |
| 19:22 | | * Tarinaky ducks. |
| 19:23 | < iospace> | hehe |
| 19:23 | < Tarinaky> | I eagerly await my computer finally being in glorious 64bit. |
| 19:29 | <&jerith> | So, the Epic Refactoring of Bring Out the Heavy Terraformers seems to be finished. |
| 19:30 | <&jerith> | In one repo: 67 changed files with 2,689 additions and 1,823 deletions. |
| 19:30 | <&jerith> | In the other repo: 37 changed files with 1,027 additions and 1,313 deletions. |
| 19:30 | <~Vornicus> | Was there a fusion candle involved? |
| 19:31 | <&jerith> | 3k7 lines of code in, 2k2 lines of code out. |
| 19:31 | <&jerith> | It was very invasive. |
| 19:34 | <&jerith> | That's about 5% of the total code touched. |
| 19:35 | <&jerith> | Err, total lines of code. |
| 19:35 | <&jerith> | Closer to 60% of the total modules/classes. |
| 19:36 | < Tarinaky> | Well, that can't be healthy. |
| 19:37 | < Tarinaky> | Computer froze before/during POST. |
| 19:39 | | * Vornicus pokes at his code. It sucks wanting All The Polish but not knowing exactly how to pull off that polish. |
| 19:41 | <&jerith> | Vornicus: Iteratively. |
| 19:41 | <&jerith> | This Epic Refactoring has taken two months, on and off. |
| 19:44 | < ShellNinja> | Vornicus: I can put you in contact with some people who want to immigrate. If you can handle the employer-side formalities, I bet they'd be very interested. |
| 19:46 | | * Vornicus ...patpats anno. |
| 19:49 | < Tarinaky> | I wouldn't mind emigrating to a country that isn't going to the dogs :p |
| 19:55 | < Tarinaky> | Can I have one that's going to the cats? I imagine that'd be a lot like reddit. |
| 19:57 | < Tarinaky> | Dumb question, how do I disable autorun in Windows 7? |
| 19:58 | <&jerith> | Tarinaky: Boot off an Ubuntu livecd, click "install"~ |
| 19:59 | < Tarinaky> | Don't you start. |
| 19:59 | < Tarinaky> | I've been getting it in my ear about procrastinating the upgrade from XP->7 :/ |
| 19:59 | | * iospace smacks jerith upside the head |
| 20:00 | < iospace> | no cutting down XP or 7 |
| 20:00 | < iospace> | OSX is fair game |
| 20:00 | < iospace> | as is vista |
| 20:00 | < Tarinaky> | And 8. |
| 20:01 | < froztbyte> | hahaha |
| 20:02 | < froztbyte> | Tarinaky: I don't remember the 'proper' way to do it |
| 20:02 | < froztbyte> | usually I've just abused my old registry editing knowledge |
| 20:02 | < Tarinaky> | I remember XP had a registery boolean you could change. |
| 20:02 | < froztbyte> | but at a guess, you could try search in the control panel |
| 20:02 | < Tarinaky> | can't remember where though. |
| 20:02 | < froztbyte> | or hunt it down through the appropriate tab in explorer's options |
| 20:02 | < Tarinaky> | Not boolean sorry, flagset. |
| 20:04 | < Tarinaky> | Thingd I can tell will annoy me: |
| 20:04 | < Tarinaky> | Ctrl+Esc,u,u does not shut down. |
| 20:15 | < Tarinaky> | Can't get a wireless signal :/ |
| 20:15 | < Tarinaky> | 7 is shit, lol. |
| 20:17 | < ToxicFrog> | Tarinaky: control panel -> autoplay |
| 20:17 | < ToxicFrog> | Or just open the menu and type "auto" and it's the first thing that shows up |
| 20:18 | <&McMartin> | 7's equivalent of Spotlight has an alarming tendency to actually work |
| 20:31 | <~Vornicus> | yeah, the start menu with immediate search is awesome. |
| 20:32 | < Tarinaky> | Still no network signal |
| --- Log closed Thu Jul 19 21:10:09 2012 |
| --- Log opened Thu Jul 19 21:16:51 2012 |
| 21:16 | | TheWatcher [chris@Nightstar-3762b576.co.uk] has joined #code |
| 21:16 | | Irssi: #code: Total of 26 nicks [4 ops, 0 halfops, 0 voices, 22 normal] |
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| 21:22 | < Tarinaky> | Jesus I don't half use a lot of extra crap. |
| 21:25 | < iospace> | *carp |
| 21:25 | < iospace> | :P |
| 21:29 | < Tarinaky> | I'm just glad I found a utility for unattended install of most of it. |
| --- Log opened Thu Jul 19 21:35:25 2012 |
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| --- Log closed Thu Jul 19 21:49:20 2012 |
| --- Log opened Thu Jul 19 22:03:02 2012 |
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| --- Log closed Thu Jul 19 22:03:17 2012 |
| --- Log opened Thu Jul 19 22:03:26 2012 |
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| --- Log closed Thu Jul 19 22:17:49 2012 |
| --- Log opened Thu Jul 19 22:26:11 2012 |
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| 22:26 | | Irssi: #code: Total of 26 nicks [4 ops, 0 halfops, 0 voices, 22 normal] |
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| 22:29 | <&McMartin> | http://money.cnn.com/2012/07/19/technology/grum-spam-botnet/ |
| 22:31 | <@Tamber> | "About 50% of the worldwide spam is gone" ...for the next, what, week or so? |
| 22:31 | < gnolam> | Usually. |
| 22:32 | <@Tamber> | Then the boulder rolls back down the hill, and they have to start pushing it again. :p |
| 22:33 | | Vash [Vash@Nightstar-e8057de2.wlfrct.sbcglobal.net] has joined #code |
| 22:33 | | mode/#code [+o Vash] by ChanServ |
| 22:36 | < Tarinaky> | Oh but what a week it'll be! |
| 22:54 | | * Vornicus determines that he is still not sure how css positioning works. |
| 22:55 | < rms> | What's confusing about it? |
| 22:56 | <~Vornicus> | well it's not, um. Working. |
| 22:56 | <~Vornicus> | not quite anyway |
| 22:57 | <~Vornicus> | I have several images positioned absolutely within table cells with relative set. |
| 22:58 | < rms> | I'm pretty sure "position: absolute" breaks them out of the container. |
| 22:58 | <~Vornicus> | It will only break containers that don't have relative, if I'm reading this right |
| 22:59 | <~Vornicus> | ....mmm, there it goes. Forgot to specify the top of the thing, so it was aligning the top with the center of the cell. |
| 23:02 | <~Vornicus> | oh, that's lovely. |
| 23:03 | <&McMartin> | Obviously, the solution is to replace SpamAssassin with SpammerAssassin |
| 23:04 | <&McMartin> | Though given who runs the spam networks, they're generally the ones with assassins |
| 23:04 | | * Vornicus fiddles a smidge with the stylesheets so that he gets coloring. |
| 23:24 | | himi [fow035@D741F1.243F35.CADC30.81D435] has joined #code |
| 23:24 | | mode/#code [+o himi] by ChanServ |
| 23:27 | <~Vornicus> | there. Much better. |
| 23:31 | <~Vornicus> | Okay, now to get the other parts going. |
| 23:40 | <~Vornicus> | mmmm, pretty. |
| --- Log closed Fri Jul 20 00:00:09 2012 |