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diff --git a/2023/captions/emacsconf-2023-uni--authoring-and-presenting-university-courses-with-emacs-and-a-full-libre-software-stack--james-howell--answers.vtt b/2023/captions/emacsconf-2023-uni--authoring-and-presenting-university-courses-with-emacs-and-a-full-libre-software-stack--james-howell--answers.vtt new file mode 100644 index 00000000..0b52ec59 --- /dev/null +++ b/2023/captions/emacsconf-2023-uni--authoring-and-presenting-university-courses-with-emacs-and-a-full-libre-software-stack--james-howell--answers.vtt @@ -0,0 +1,1202 @@ +WEBVTT + + +00:00:00.000 --> 00:00:01.839 +[Speaker 0]: You can hear us. Can you perhaps do it for + +00:00:01.839 --> 00:00:03.740 +me? Great. The little angels in the + +00:00:03.740 --> 00:00:05.140 +background have done it for me. + +00:00:05.240 --> 00:00:07.759 +So now finally that everything is ready. + +00:00:07.759 --> 00:00:09.099 +Hi James, how are you doing? + +00:00:13.780 --> 00:00:14.599 +Good morning. Hello. Well, + +00:00:14.599 --> 00:00:16.320 +thank you for your talk and sorry for the + +00:00:16.320 --> 00:00:19.240 +little hiccup at the middle we had to pull + +00:00:19.240 --> 00:00:20.900 +out a fire with the audio going out in the + +00:00:20.900 --> 00:00:22.580 +middle and sorry about this. + +00:00:23.140 --> 00:00:24.040 +[Speaker 1]: It's no trouble. + +00:00:25.240 --> 00:00:28.680 +[Speaker 0]: So James, you've obviously told us about your + +00:00:28.680 --> 00:00:30.220 +very fancy setup with the green screen and + +00:00:30.220 --> 00:00:32.840 +I'm sad to see that you haven't put out the + +00:00:32.840 --> 00:00:35.579 +green screen for your BBB session right now. + +00:00:35.579 --> 00:00:37.060 +Do you have it in the background just for + +00:00:37.060 --> 00:00:40.400 +you? Right, okay, it wasn't that far. + +00:00:40.600 --> 00:00:44.180 +Great. So I'm just going to ask, + +00:00:44.180 --> 00:00:47.440 +so this is the first live Q&A that we have + +00:00:47.440 --> 00:00:49.300 +for the session so things might be coming + +00:00:49.300 --> 00:00:51.600 +into place so pardon us if we take a little + +00:00:51.600 --> 00:00:54.340 +bit of time to put the questions on the + +00:00:54.340 --> 00:00:55.780 +screen and all of this. + +00:00:56.400 --> 00:00:57.940 +What I'm going to do, I'm just going to load + +00:00:57.940 --> 00:01:02.660 +up the pad. I would invite James to also open + +00:01:02.660 --> 00:01:04.200 +the pad on his hand. So yeah, + +00:01:04.200 --> 00:01:05.740 +I've got people talking in my ears and it's + +00:01:05.740 --> 00:01:07.740 +been a while since I've last had this. + +00:01:08.260 --> 00:01:11.979 +And okay, so opening the talks right now, + +00:01:12.100 --> 00:01:14.120 +opening the pad if I can find it. + +00:01:14.120 --> 00:01:19.020 +Open up the pad. Okay. + +00:01:19.200 --> 00:01:21.240 +So have you got a pad open on your end, + +00:01:21.240 --> 00:01:22.800 +James? So I can read the question. + +00:01:23.119 --> 00:01:26.740 +So, okay, great. Opening it on my end as + +00:01:26.740 --> 00:01:28.360 +well. What I'm going to do, + +00:01:28.360 --> 00:01:30.360 +folks, I see some of you have joined us. + +00:01:39.900 --> 00:01:42.500 +I'm going to start doing is first taking + +00:01:42.500 --> 00:01:44.220 +questions in the other part because it's a + +00:01:44.220 --> 00:01:46.200 +little faster to ask questions like this. + +00:01:46.520 --> 00:01:48.160 +And then as soon as we've finished, + +00:01:48.160 --> 00:01:49.920 +feel free to unmute yourself and ask your + +00:01:49.920 --> 00:01:54.180 +questions. All right so I've got some + +00:01:54.180 --> 00:01:57.660 +reactions about OBS being cool and yes both + +00:01:57.660 --> 00:01:59.340 +James and I will be able to tell you that + +00:01:59.340 --> 00:02:01.720 +it's very cool we do very fancy stuff like + +00:02:04.060 --> 00:02:05.640 +when I need to talk to production in the + +00:02:05.640 --> 00:02:07.540 +background and all the stuff obviously that + +00:02:07.540 --> 00:02:09.160 +James has been able to show you with a green + +00:02:09.160 --> 00:02:12.800 +screen. So I don't see a whole lot of + +00:02:12.800 --> 00:02:15.560 +questions so far. I see a lot of reactions on + +00:02:16.020 --> 00:02:17.760 +publishing lectures book and of a classic + +00:02:17.760 --> 00:02:19.700 +example is John Kitchens obviously. + +00:02:20.900 --> 00:02:22.180 +Pedagogy first developments. + +00:02:23.360 --> 00:02:24.660 +Macros are a cool idea. + +00:02:25.680 --> 00:02:28.820 +Okay questions. So how do you overlap + +00:02:28.820 --> 00:02:30.160 +yourself with a presentation. + +00:02:30.420 --> 00:02:34.680 +It's so cool. It's quite simple. + +00:02:36.420 --> 00:02:40.200 +[Speaker 1]: OBS provides filters for every... + +00:02:40.200 --> 00:02:42.440 +You can have a separate filter for each video + +00:02:42.440 --> 00:02:44.960 +feed and 1 of the filters that's available is + +00:02:44.960 --> 00:02:47.840 +chroma key. You just choose a color to make + +00:02:47.840 --> 00:02:52.020 +transparent and just make sure that the + +00:02:52.020 --> 00:02:56.140 +webcam is at the top of the composition. + +00:02:57.180 --> 00:03:00.900 +And the thing that surprised me the most was + +00:03:00.900 --> 00:03:05.420 +how quickly my brain was able to mirror + +00:03:05.420 --> 00:03:07.360 +everything and control my body from a + +00:03:07.360 --> 00:03:10.720 +separate point of view like the way weather + +00:03:10.720 --> 00:03:15.300 +broadcasts are done. It took seconds to be + +00:03:15.300 --> 00:03:16.980 +able to do that. Well, + +00:03:16.980 --> 00:03:20.200 +and now I have years of practice because that + +00:03:20.320 --> 00:03:22.740 +set up that you saw that I used to record + +00:03:22.740 --> 00:03:26.960 +this video. I used for years during the + +00:03:26.960 --> 00:03:32.180 +pandemic for 4 or 5 semesters to because my + +00:03:32.180 --> 00:03:33.760 +courses are all have 2, + +00:03:33.760 --> 00:03:36.440 +3, 400 students, except for the English + +00:03:36.440 --> 00:03:38.200 +class, which has, you know, + +00:03:38.200 --> 00:03:41.100 +30 students. And so during the pandemic, + +00:03:41.200 --> 00:03:44.040 +and even after lockdowns were no longer + +00:03:44.040 --> 00:03:46.160 +mandated, I taught online just because I + +00:03:46.160 --> 00:03:48.340 +didn't want to have so many students in the + +00:03:48.340 --> 00:03:49.500 +room at the same time. + +00:03:49.600 --> 00:03:53.680 +So I've yeah, I'm it. I have a lot of + +00:03:53.680 --> 00:03:54.840 +practice doing that. + +00:03:56.120 --> 00:03:58.300 +[Speaker 0]: But it pays off because it looks so natural, + +00:03:58.300 --> 00:04:00.140 +you know, it feels like it's the same thing + +00:04:00.140 --> 00:04:01.520 +with weathercasters, you know, + +00:04:01.520 --> 00:04:03.940 +it sounds very it looks very easy to do, + +00:04:03.940 --> 00:04:05.780 +but it also takes quite a bit of practice. + +00:04:07.020 --> 00:04:08.300 +1 of the things that you also need to + +00:04:08.300 --> 00:04:10.160 +remember if you're using a chroma key that + +00:04:10.160 --> 00:04:11.880 +James has explained is that you need to have + +00:04:11.880 --> 00:04:14.360 +very good lighting, basically for the color + +00:04:14.440 --> 00:04:16.320 +to pop out in the background and for your + +00:04:16.320 --> 00:04:18.360 +body to be easily highlightable. + +00:04:19.399 --> 00:04:21.240 +Okay, were you finished with this question? + +00:04:23.240 --> 00:04:24.980 +[Speaker 1]: Yeah, let's take another 1. + +00:04:25.640 --> 00:04:28.580 +[Speaker 0]: Sure. So how do you deal with video in Beam? + +00:04:28.700 --> 00:04:30.720 +I found it so hard to do that. + +00:04:30.720 --> 00:04:33.060 +PPT on the other end is easier to achieve. + +00:04:36.380 --> 00:04:41.480 +[Speaker 1]: Yeah, so remember that the slides get + +00:04:41.480 --> 00:04:46.960 +produced from Org Mode as PDFs. + +00:04:47.540 --> 00:04:50.080 +Well, and in fact, I even before when I was + +00:04:50.080 --> 00:04:52.540 +using other software to produce slides, + +00:04:52.580 --> 00:04:54.220 +I produced them as PDFs, + +00:04:54.720 --> 00:04:56.840 +precisely because I wanted to be able to mark + +00:04:56.840 --> 00:05:00.040 +them up on on the screen with the stylus. + +00:05:02.100 --> 00:05:05.960 +And so I don't do video in the slides. + +00:05:06.140 --> 00:05:09.140 +I use OBS to switch from static slides that I + +00:05:09.140 --> 00:05:12.540 +mark up with the stylus over to some kind of + +00:05:12.840 --> 00:05:15.360 +video viewer and then back. + +00:05:15.620 --> 00:05:17.820 +And again, that's how I can use Firefox. + +00:05:17.900 --> 00:05:21.880 +I use OBS to switch between Firefox and video + +00:05:22.360 --> 00:05:26.380 +and the Shornell plus plus program where I + +00:05:26.380 --> 00:05:31.060 +can mark up slides. So those functionalities + +00:05:31.160 --> 00:05:35.140 +are that's why I use different software and + +00:05:35.140 --> 00:05:37.440 +pull it all together with OBS so that I can + +00:05:37.440 --> 00:05:41.700 +have lots of functional flexibility. + +00:05:44.660 --> 00:05:47.700 +[Speaker 0]: Great. Do you ever use things like + +00:05:47.700 --> 00:05:50.960 +org-present and stay for the PowerPoint + +00:05:51.060 --> 00:05:53.200 +slides? I'm not sure exactly how to read this + +00:05:53.200 --> 00:05:54.860 +particular question but at least we can focus + +00:05:54.860 --> 00:05:56.840 +on org-present. Are you familiar with what it + +00:05:56.840 --> 00:05:57.340 +is? + +00:05:58.080 --> 00:06:01.920 +[Speaker 1]: I have played around with org-present and + +00:06:02.380 --> 00:06:07.640 +again I guess you could use org-present to + +00:06:07.640 --> 00:06:12.160 +show images and to show headings as slides. + +00:06:13.140 --> 00:06:17.680 +But again, because I'm it's such a crucial + +00:06:18.100 --> 00:06:21.520 +functionality to be able to mark them up with + +00:06:22.120 --> 00:06:25.760 +stylus. I didn't really show this very much, + +00:06:25.760 --> 00:06:27.780 +but I also highlight things the way I would + +00:06:27.780 --> 00:06:30.080 +highlight using a laser pointer on the + +00:06:30.080 --> 00:06:36.300 +screen. And again, I don't see Emacs being + +00:06:36.300 --> 00:06:38.500 +able to do that for another couple of + +00:06:38.560 --> 00:06:42.800 +generations. So really the only thing I use + +00:06:42.800 --> 00:06:47.360 +Emacs for during presentations is to narrow + +00:06:48.940 --> 00:06:52.100 +headings that we can focus on particular text + +00:06:52.600 --> 00:06:53.100 +excerpts. + +00:06:55.680 --> 00:06:59.200 +[Speaker 0]: Right. Yeah. A lot of our presentation at + +00:06:59.200 --> 00:07:00.420 +EmacsConf are usually, + +00:07:00.420 --> 00:07:02.260 +especially the Org Mode ones are done with + +00:07:02.260 --> 00:07:06.740 +OrgPresent. And. Sorry, + +00:07:06.740 --> 00:07:08.920 +I had again someone talk to me in a year. + +00:07:09.240 --> 00:07:11.440 +You know, the problem with EmacsConf is that + +00:07:11.680 --> 00:07:13.440 +every year, you know, you have to relearn a + +00:07:13.440 --> 00:07:16.780 +lot of skills. And by the time we finished by + +00:07:16.780 --> 00:07:19.900 +Sunday evening we are masters of it and then + +00:07:19.900 --> 00:07:21.820 +we forget everything by the time the next + +00:07:21.820 --> 00:07:24.280 +year comes around. What I was going to say is + +00:07:24.280 --> 00:07:26.780 +that org-present is often used by people + +00:07:27.440 --> 00:07:30.940 +inside Emacs conf presenting about org-mode + +00:07:31.100 --> 00:07:32.800 +but yeah whenever you need to do something a + +00:07:32.800 --> 00:07:34.340 +little more visual, it gets a little more + +00:07:34.340 --> 00:07:36.540 +complicated. Some people have tried to do + +00:07:36.540 --> 00:07:39.200 +fancy stuff with SVG, which is probably the + +00:07:39.200 --> 00:07:41.180 +path forward for this type of stuff. + +00:07:41.400 --> 00:07:43.220 +But yeah, if you need to draw, + +00:07:43.380 --> 00:07:44.480 +if you need to highlight, + +00:07:44.760 --> 00:07:46.360 +it is pretty complicated. + +00:07:46.820 --> 00:07:48.340 +Perhaps something that you might want to be + +00:07:48.340 --> 00:07:50.940 +interested, James, in checking out is PDF + +00:07:50.940 --> 00:07:56.040 +tools, which is a way to open up a PDF in + +00:07:56.040 --> 00:07:59.440 +Emacs. And this allows you to have basic PDF + +00:07:59.440 --> 00:08:01.560 +annotations, like putting a little bit of a + +00:08:01.560 --> 00:08:04.160 +Nikon on it. Perhaps you've already played + +00:08:04.160 --> 00:08:04.900 +with it. + +00:08:06.260 --> 00:08:09.980 +[Speaker 1]: I have used that. PDF tools is an incredible + +00:08:10.080 --> 00:08:14.560 +package but until it allows me to make a mark + +00:08:14.560 --> 00:08:18.280 +on the screen that shows up in a video + +00:08:18.280 --> 00:08:21.000 +compositor. It's not going to replace + +00:08:21.420 --> 00:08:21.920 +Shortenel. + +00:08:23.240 --> 00:08:24.600 +[Speaker 0]: Definitely. All right. + +00:08:24.600 --> 00:08:25.940 +Moving on to the next question. + +00:08:26.400 --> 00:08:28.900 +Is the triple-accolade syntax an Org Mode + +00:08:28.900 --> 00:08:31.360 +core feature that I missed so far or did you + +00:08:31.360 --> 00:08:33.120 +program that and thank you for the great + +00:08:33.120 --> 00:08:33.620 +talk. + +00:08:36.659 --> 00:08:38.360 +[Speaker 1]: Thank you very much. No, + +00:08:38.360 --> 00:08:43.220 +it's just part of all of the export backends. + +00:08:43.299 --> 00:08:45.060 +Actually, I think the way it works is it + +00:08:45.060 --> 00:08:47.040 +precedes all of the export backends. + +00:08:47.040 --> 00:08:50.280 +When you export, the first thing that happens + +00:08:50.280 --> 00:08:52.360 +is expansion of macros. + +00:08:52.720 --> 00:08:56.260 +And that's a built-in org mode feature. + +00:08:56.640 --> 00:08:59.690 +It's definitely beyond my Emacs Lisp powers + +00:08:59.690 --> 00:09:01.360 +to be able to have made something that + +00:09:01.360 --> 00:09:06.920 +powerful. That's right. + +00:09:07.020 --> 00:09:08.540 +I have come a long way. + +00:09:02.640 --> 00:09:11.500 +[Speaker 0]: For now. You know, we always, + +00:09:11.720 --> 00:09:13.380 +you know, most of the people who show up to + +00:09:13.380 --> 00:09:15.480 +Max Conf. Especially talking about stuff that + +00:09:15.480 --> 00:09:18.160 +has to do with presentations or what they do + +00:09:18.260 --> 00:09:19.160 +in academia. You know, + +00:09:19.160 --> 00:09:20.520 +they always say, oh, but, + +00:09:20.600 --> 00:09:22.589 +you know, I couldn't have done all this, + +00:09:22.589 --> 00:09:24.260 +you know, it's just far away. + +00:09:24.260 --> 00:09:26.320 +And then they come back 1 year or 2 years + +00:09:26.320 --> 00:09:27.980 +later and then, oh, I've made my entire + +00:09:27.980 --> 00:09:29.680 +library for presentation and stuff like this. + +00:09:29.680 --> 00:09:32.980 +So Be hopeful about what the future holds for + +00:09:32.980 --> 00:09:34.960 +you in terms of coming up with crazy new + +00:09:34.960 --> 00:09:36.720 +features for the entire ecosystem. + +00:09:37.740 --> 00:09:39.100 +[Speaker 1]: Well, let me tell you, + +00:09:39.560 --> 00:09:42.540 +since the pandemic, I have written, + +00:09:42.980 --> 00:09:44.760 +I wrote my first major mode. + +00:09:44.760 --> 00:09:47.000 +It's trivial, but it provides functionality + +00:09:47.220 --> 00:09:52.660 +that is very useful to me and it's it's going + +00:09:52.660 --> 00:09:54.380 +to sound like I'm just trying to butter + +00:09:54.380 --> 00:09:57.260 +everyone up but seeing a lot of the names in + +00:09:57.260 --> 00:10:00.820 +the IRC channel people who have taught me so + +00:10:00.820 --> 00:10:05.220 +much on their YouTube channels and in their + +00:10:05.220 --> 00:10:07.920 +blog posts and on Reddit and on Mastodon. + +00:10:09.600 --> 00:10:12.220 +Without many of the people who are here today + +00:10:12.620 --> 00:10:15.300 +watching my talk, it's very fun to have + +00:10:15.820 --> 00:10:18.160 +people who have helped me learn so much about + +00:10:18.160 --> 00:10:20.140 +Emacs. So thanks to all of you. + +00:10:21.580 --> 00:10:24.140 +[Speaker 0]: Well, and yeah, and now you're becoming part + +00:10:24.140 --> 00:10:27.380 +of this crew of people inspiring others to do + +00:10:27.380 --> 00:10:29.160 +very much the same. So thank you for joining + +00:10:31.460 --> 00:10:32.520 +[Speaker 1]: Thank you very much. + +00:10:29.160 --> 00:10:35.020 +[Speaker 0]: the crew. Great. Moving on to the 2 last + +00:10:35.020 --> 00:10:36.660 +questions and then we'll open up the mic to + +00:10:36.660 --> 00:10:38.340 +other people on Big Blue Button. + +00:10:39.160 --> 00:10:40.900 +What kind of comparative feedback are + +00:10:40.900 --> 00:10:42.740 +students giving you regarding your approach? + +00:10:44.960 --> 00:10:48.340 +[Speaker 1]: Oh, my gosh. Students were ready to during + +00:10:48.340 --> 00:10:53.040 +the pandemic especially when most of the + +00:10:53.040 --> 00:10:55.880 +courses were just being taught over zoom by + +00:10:55.880 --> 00:10:57.340 +people sharing their screen. + +00:10:57.340 --> 00:10:58.660 +[Speaker 0]: Just a second. Sorry. Sorry for the + +00:10:58.660 --> 00:10:59.800 +interruption. Very rude interruption. + +00:10:59.800 --> 00:11:01.220 +We've got the intro for the next talk playing + +00:11:01.220 --> 00:11:02.520 +and I'm not sure what's going on. + +00:11:02.520 --> 00:11:03.580 +Give me just a second. + +00:11:04.440 --> 00:11:04.940 +Sasha. + +00:11:05.060 --> 00:11:05.560 +[Speaker 1]: Okay. + +00:11:19.320 --> 00:11:24.290 +Yeah, I think it's started. + +00:11:26.716 --> 00:11:31.740 +Okay so yeah I think it's not a + +00:11:34.860 --> 00:11:37.760 +[Speaker 0]: sure 1 I got the times wrong apparently + +00:11:37.760 --> 00:11:40.240 +because of the little delay we had getting + +00:11:40.240 --> 00:11:43.740 +the audio fixed up. The good news is that + +00:11:43.740 --> 00:11:45.880 +we're still recording the talk right now and + +00:11:45.880 --> 00:11:47.140 +we still have James around. + +00:11:47.180 --> 00:11:49.740 +Obviously James you're no longer on being + +00:11:49.740 --> 00:11:53.040 +broadcast on General but if you want to keep + +00:11:53.040 --> 00:11:55.800 +answering questions or if you want to anyone + +00:11:55.800 --> 00:11:57.340 +in the room right now wants to ask you + +00:11:57.340 --> 00:11:58.940 +questions feel free to do so. + +00:11:59.440 --> 00:12:01.060 +I'm going to need to hop off because I need + +00:12:01.060 --> 00:12:03.020 +to get other things ready for the next talks + +00:12:04.280 --> 00:12:06.780 +[Speaker 1]: But James, thank you so much. + +00:12:03.080 --> 00:12:10.020 +[Speaker 0]: sadly. Right and so sorry I'm a little tense + +00:12:10.020 --> 00:12:12.660 +obviously because I was not expecting this to + +00:12:12.660 --> 00:12:15.960 +happen and that led to a very abrupt end to + +00:12:15.960 --> 00:12:18.480 +this discussion but people afterwards on + +00:12:18.480 --> 00:12:21.980 +emacsmo.org slash 2023 slash talks will be + +00:12:21.980 --> 00:12:24.020 +able to find all the content here. + +00:12:24.020 --> 00:12:25.420 +So I'll have to leave now. + +00:12:25.840 --> 00:12:28.020 +Thank you so much James for doing the + +00:12:28.020 --> 00:12:30.060 +difficult task of opening up EmacsConf and + +00:12:30.060 --> 00:12:31.980 +I'll probably see you later. + +00:12:32.780 --> 00:12:35.260 +[Speaker 1]: Thank you, Leo. Bye bye. + +00:12:52.020 --> 00:12:57.440 +[Speaker 2]: On your journal program. + +00:12:58.360 --> 00:13:03.500 +Yes. You are using the tablet as a monitor, + +00:13:03.520 --> 00:13:05.940 +right? Touch screen monitor with that? + +00:13:06.480 --> 00:13:08.800 +[Speaker 1]: That's exactly right. So it's a tablet so you + +00:13:08.800 --> 00:13:11.980 +know I can. It has a touch screen and so. + +00:13:13.080 --> 00:13:15.580 +So basically the functionality that that + +00:13:15.580 --> 00:13:20.580 +program provides is to be able to just mark + +00:13:20.580 --> 00:13:22.160 +up PDFs with a stylus, + +00:13:23.360 --> 00:13:25.280 +you know, in the way that you would use any + +00:13:25.280 --> 00:13:30.600 +other tablet. And to be able to take that + +00:13:30.600 --> 00:13:33.420 +video signal and put it into another machine. + +00:13:33.840 --> 00:13:36.100 +That was the that was the key. + +00:13:36.100 --> 00:13:37.340 +That's the killer app. + +00:13:39.340 --> 00:13:41.880 +[Speaker 2]: I've thought about grabbing 1 for the purpose + +00:13:41.940 --> 00:13:45.460 +of like changing my laptop into a tablet to + +00:13:45.460 --> 00:13:49.640 +read manga, browse the web and kind of + +00:13:49.640 --> 00:13:51.840 +curious if it works well like as a wireless + +00:13:52.300 --> 00:13:57.440 +monitor with a tablet or how well it like you + +00:13:57.440 --> 00:14:01.920 +can use Emacs with it in a tablet mode or + +00:14:02.080 --> 00:14:03.000 +were you just + +00:14:03.820 --> 00:14:10.800 +[Speaker 1]: or you just use the tablet that I use is this + +00:14:10.800 --> 00:14:14.340 +is it it's just a Microsoft Surface and so it + +00:14:14.340 --> 00:14:17.780 +comes with a keyboard so you can take the + +00:14:17.780 --> 00:14:20.940 +keyboard off. Yeah, but I use it. + +00:14:20.940 --> 00:14:23.240 +I use it with the keyboard as well. + +00:14:24.560 --> 00:14:25.660 +And I just. + +00:14:30.060 --> 00:14:31.420 +[Speaker 2]: You're cutting off right now + +00:14:53.880 --> 00:15:27.671 +[Speaker 1]: Audio Your audio is cutting off right now. + +00:15:32.680 --> 00:15:34.580 +I bumped the mute button on the mic. + +00:15:36.820 --> 00:15:38.300 +Yeah. So again, this is, + +00:15:38.500 --> 00:15:41.540 +[Speaker 2]: is the 16 mute buttons you use. + +00:15:38.300 --> 00:15:45.660 +[Speaker 1]: this It's just the surface pro 3 that I got + +00:15:45.660 --> 00:15:48.920 +used and it runs Emacs. + +00:15:49.280 --> 00:15:54.300 +I mean it runs. You know Linux really well. + +00:15:54.940 --> 00:15:59.720 +And the trouble is that the hard drive you + +00:15:59.720 --> 00:16:02.920 +know the SSE drive is small and the RAM is + +00:16:02.920 --> 00:16:06.920 +small, but it works for the purposes. + +00:16:07.580 --> 00:16:10.080 +Basically, if I had a couple thousand + +00:16:10.080 --> 00:16:13.860 +dollars, I could probably buy a touchscreen + +00:16:14.280 --> 00:16:17.680 +machine where I could run everything on it + +00:16:17.680 --> 00:16:21.360 +and do the streaming and do the video capture + +00:16:21.380 --> 00:16:25.460 +and do the PDF markup. + +00:16:26.020 --> 00:16:28.480 +But since both of these are so, + +00:16:28.860 --> 00:16:31.980 +the hardware that I use is so old and cheap + +00:16:31.980 --> 00:16:33.800 +and weak I have to split it across 2 + +00:16:33.800 --> 00:16:34.300 +machines. + +00:16:35.020 --> 00:16:37.660 +[Speaker 2]: There's also a beauty in making the stuff + +00:16:37.660 --> 00:16:40.080 +having specific purposes for specific things + +00:16:40.080 --> 00:16:46.020 +where it's just not. Yeah it's like I don't + +00:16:46.020 --> 00:16:49.840 +want a smart TV that plays Netflix I want a + +00:16:50.140 --> 00:16:53.860 +smart TV that has all the smarts that I turn + +00:16:53.860 --> 00:16:58.780 +my smart TV into a TV monitor I don't want to + +00:16:58.780 --> 00:16:59.280 +yeah + +00:17:02.200 --> 00:17:08.539 +[Speaker 1]: I totally feel that ethic I totally I totally + +00:17:08.659 --> 00:17:11.640 +feel that ethic. Oh, on + +00:17:11.760 --> 00:17:15.300 +[Speaker 2]: the some other things like if you want you to + +00:17:15.300 --> 00:17:17.300 +do highlighting in an org mode document. + +00:17:17.300 --> 00:17:19.060 +You can use org web tools. + +00:17:19.060 --> 00:17:20.020 +I wrote this in the notes, + +00:17:20.020 --> 00:17:21.940 +but you can use org web tools to download a + +00:17:21.940 --> 00:17:25.400 +web page and then you can use org remark to + +00:17:25.400 --> 00:17:28.860 +start highlighting in the org mode web page + +00:17:28.860 --> 00:17:30.860 +and then because an org mode document now you + +00:17:30.860 --> 00:17:32.180 +can just edit it directly. + +00:17:35.600 --> 00:17:38.240 +If you want other people to join in on an + +00:17:38.240 --> 00:17:40.680 +Emacs session you could use a package like + +00:17:40.680 --> 00:17:45.040 +what's it called? CRDT.EL + +00:17:47.020 --> 00:17:50.160 +that will allow 2 people with 2 different + +00:17:50.160 --> 00:17:52.820 +Emacs configurations to edit the same buffer. + +00:17:54.140 --> 00:17:58.980 +And you have a host that can host a buffer + +00:17:58.980 --> 00:18:05.960 +too. It works with, and they have 1 optional + +00:18:06.000 --> 00:18:08.180 +extension for org mode that will synchronize + +00:18:08.680 --> 00:18:10.600 +the folding of the org drawers. + +00:18:12.320 --> 00:18:14.720 +[Speaker 1]: Interesting. I will look into that. + +00:18:15.060 --> 00:18:15.560 +Like + +00:18:19.660 --> 00:18:22.720 +[Speaker 2]: having I don't like if you want students like + +00:18:22.720 --> 00:18:25.740 +you have each highlight line mode these are + +00:18:25.740 --> 00:18:27.620 +just some ideas like you can have like + +00:18:27.620 --> 00:18:30.060 +highlight line mode so people can easily see + +00:18:30.060 --> 00:18:35.040 +which line you're on cursor tracking and then + +00:18:35.040 --> 00:18:38.680 +you can have other people join in students or + +00:18:43.180 --> 00:18:45.300 +[Speaker 1]: yeah that's just a possible idea. + +00:18:45.300 --> 00:18:49.680 +Is there anyone else in the in the big blue + +00:18:49.680 --> 00:18:52.180 +button room who has a question? + +00:19:01.360 --> 00:19:03.280 +All right, I'm going to go over to the pad + +00:19:03.280 --> 00:19:05.280 +and see if there are any pending questions I + +00:19:05.280 --> 00:19:07.560 +can address. Thanks, Plasma Strike. + +00:19:27.500 --> 00:19:33.140 +[Speaker 3]: Yep. Which could be PDF, + +00:19:33.340 --> 00:19:36.680 +could be Markdown, could be OpenOffice, + +00:19:38.560 --> 00:19:40.100 +could be a notebook format. + +00:19:40.960 --> 00:19:43.340 +This methodology was conceived by Donald + +00:19:43.340 --> 00:19:51.980 +Knuth in 1984. The main purpose of literal + +00:19:51.980 --> 00:19:54.700 +programming is not only to make code or + +00:19:54.700 --> 00:19:57.220 +documentation or output more manageable, + +00:19:57.800 --> 00:20:01.240 +but to allow humans to create a data story to + +00:20:01.240 --> 00:20:03.420 +be used from a single source. + +00:20:04.540 --> 00:20:06.300 +What you see on the slide on the left-hand + +00:20:06.300 --> 00:20:09.400 +side is the story and code inside an org-mod + +00:20:09.400 --> 00:20:14.440 +file. The file starts with some + +00:20:14.440 --> 00:20:17.720 +documentation, then you write back down this + +00:20:18.420 --> 00:20:22.060 +code, and at the bottom you see the output + +00:20:22.060 --> 00:20:26.540 +file, which is not shown in the slide itself. + +00:20:26.800 --> 00:20:28.440 +In the middle you have the source code, + +00:20:28.440 --> 00:20:33.980 +which is the result of tangling or opening a + +00:20:33.980 --> 00:20:36.880 +buffer inside offload. + +00:20:37.660 --> 00:20:42.380 +On the very right hand side we have a PDF, + +00:20:42.580 --> 00:20:47.740 +actually this HTML, very same file that you + +00:20:47.740 --> 00:20:48.960 +see in memory language. + +00:20:49.600 --> 00:20:53.080 +So the humans look at some of this code and + +00:20:53.080 --> 00:20:55.400 +the machines look at other parts of the code. + +00:20:56.260 --> 00:20:58.320 +I actually did all my programming in the + +00:20:58.320 --> 00:21:00.260 +literary world even in the early 1990s, + +00:21:00.920 --> 00:21:03.040 +not using Org Mode, which didn't exist yet, + +00:21:03.040 --> 00:21:06.160 +but using Norman Ramsey's Norep preprocessor. + +00:21:07.240 --> 00:21:09.720 +They still use it inside the Org-Mode today. + +00:21:10.400 --> 00:21:11.920 +This preprocessor, Norep, + +00:21:11.920 --> 00:21:14.240 +allows you to tangle code from within an + +00:21:14.240 --> 00:21:16.360 +Org-Mode file that is self-standing file, + +00:21:16.360 --> 00:21:18.820 +much like Org-mode's edit functions, + +00:21:19.540 --> 00:21:21.900 +which export code blocks into buffers in + +00:21:21.900 --> 00:21:23.540 +whatever language the code blocks. + +00:21:25.940 --> 00:21:28.760 +In data science, these interactive notebooks, + +00:21:29.640 --> 00:21:32.776 +in 1 of the interpreted languages like Julia, + +00:21:32.776 --> 00:21:34.680 +Python, or R dominating? + +00:21:34.680 --> 00:21:37.420 +The basic technology is that of Jupyter + +00:21:37.420 --> 00:21:39.840 +notebooks, which take their name from Julia, + +00:21:39.860 --> 00:21:43.040 +Python, and R. And these notebooks use a + +00:21:43.040 --> 00:21:44.880 +spruce-dark shell, for example, + +00:21:44.920 --> 00:21:49.240 +IPython, and an option to add SQL cells. + +00:21:50.460 --> 00:21:53.340 +All good inside Emacs has a large number of + +00:21:53.340 --> 00:21:56.800 +advantages. Some of them are listed here over + +00:21:56.800 --> 00:21:59.180 +these notebooks. 2 of these stand out + +00:21:59.180 --> 00:22:02.860 +particularly. Different languages can be + +00:22:02.860 --> 00:22:05.640 +mixed as shown in the image. + +00:22:06.460 --> 00:22:07.700 +While in Jupyter notebooks, + +00:22:07.920 --> 00:22:10.900 +a notebook is limited to running a kernel in + +00:22:10.900 --> 00:22:14.440 +1 language only. The content of the notebook, + +00:22:14.440 --> 00:22:16.980 +its document code or output part can be + +00:22:16.980 --> 00:22:19.020 +exported in a variety of forms. |