WEBVTT captioned by bhavin192, checked by sachac NOTE Draw and scribble in GNU Emacs 00:00:00.780 --> 00:00:02.900 Hello. In this video, we will look at 00:00:02.900 --> 00:00:07.167 drawing and scribbling in Emacs using SVG. 00:00:07.167 --> 00:00:10.067 Let's start with `canvas-mode`. 00:00:10.067 --> 00:00:17.539 We will define the width and the height. 00:00:17.540 --> 00:00:19.333 The default is polyline, 00:00:19.333 --> 00:00:23.733 which means you can scribble anything that you want. 00:00:23.733 --> 00:00:30.299 Very handy for taking quick notes. 00:00:30.300 --> 00:00:32.699 Now we will look at 00:00:32.700 --> 00:00:46.333 drawing a triangle using some lines. 00:00:46.333 --> 00:00:57.267 Okay. Now let's draw a circle. 00:00:57.267 --> 00:00:58.900 You can use the mouse to adjust 00:00:58.900 --> 00:01:02.859 the radius of the circle. 00:01:02.860 --> 00:01:04.333 There is some problem with ellipse, 00:01:04.333 --> 00:01:07.939 we will look at it at the end of the video. 00:01:07.940 --> 00:01:11.767 Now let's put up some text, 00:01:11.767 --> 00:01:15.067 a typical "Hello World". 00:01:15.067 --> 00:01:19.879 Size, let's do a 20 font size, 00:01:19.880 --> 00:01:32.359 and we will use the default font family. 00:01:32.360 --> 00:01:37.433 Next, we will look at undoing what we have drawn. 00:01:37.433 --> 00:01:43.067 Just press u for deleting the last drawn object. 00:01:43.067 --> 00:01:45.799 And you can continue pressing 00:01:45.800 --> 00:01:51.959 u for consecutive deletions. 00:01:51.960 --> 00:01:54.533 You can also make a selection of the objects 00:01:54.533 --> 00:01:57.700 on the screen using your mouse and then press u. 00:01:57.700 --> 00:02:02.599 This will delete all the objects in one go. 00:02:02.600 --> 00:02:06.659 Now we are looking at stroke color. 00:02:06.660 --> 00:02:08.633 We will use a brown stroke color 00:02:08.633 --> 00:02:12.879 for drawing our objects. 00:02:12.880 --> 00:02:20.419 Next, let's look at stroke width. 00:02:20.420 --> 00:02:27.979 We will use a width of 5. 00:02:27.980 --> 00:02:41.619 Next, let's fill up the objects with a fill color. 00:02:41.620 --> 00:02:47.159 Now we will look at zoom. 00:02:47.160 --> 00:02:50.119 Use the mouse to select a region and zoom. 00:02:50.120 --> 00:02:54.359 You can also use +, - for zooming in and out. 00:02:54.360 --> 00:03:07.133 Press 0 for resetting the zoom. 00:03:07.133 --> 00:03:14.539 Next, let's save the file, 00:03:14.540 --> 00:03:19.667 and q or Enter for exiting the canvas-mode. 00:03:19.667 --> 00:03:23.760 Now we will open the file in Emacs itself. 00:03:25.220 --> 00:03:26.179 You can see the file, 00:03:26.180 --> 00:03:32.000 you can do Control-c Control-c (`C-c C-c`). 00:03:32.000 --> 00:03:44.419 Finally, we look at ellipse. 00:03:44.420 --> 00:03:46.400 That's all for this video. Thanks! NOTE SVG Symbols library 00:03:46.400 --> 00:03:48.333 Hello. In this video, we will draw 00:03:48.333 --> 00:03:52.067 schematics using symbols from SVG library in Emacs. 00:03:52.067 --> 00:03:55.000 Press capital L to activate the symbol library 00:03:55.000 --> 00:03:57.867 that you can see on the right hand side, 00:03:57.867 --> 00:04:01.959 and place the symbol on the canvas. 00:04:01.960 --> 00:04:06.639 Let's add another register to this diagram. 00:04:06.640 --> 00:04:11.819 You can press capital R to rotate the symbol. 00:04:11.820 --> 00:04:17.239 Let's place it on the canvas. 00:04:17.240 --> 00:04:31.667 Now we will add a voltage source to the circuit. 00:04:31.667 --> 00:04:33.179 To connect the symbols, 00:04:33.180 --> 00:04:36.967 we will have to use some connecting wires. 00:04:36.967 --> 00:04:39.467 For that, press capital W 00:04:39.467 --> 00:04:46.919 to activate the connection mode. 00:04:46.920 --> 00:04:48.567 Click anywhere on the canvas 00:04:48.567 --> 00:04:53.133 to draw intermediate points, and press Esc 00:04:53.133 --> 00:05:00.033 to exit that particular connection. 00:05:00.033 --> 00:05:16.633 Let's connect other symbols too. 00:05:16.633 --> 00:05:20.139 That's all for this video. Thanks. NOTE GNU Emacs: A multimedia editor 00:05:20.140 --> 00:05:22.167 Hello. In this video, we will look at 00:05:22.167 --> 00:05:24.933 some basic multimedia editing using Emacs. 00:05:24.933 --> 00:05:27.459 Let's start a media-edit session. 00:05:27.460 --> 00:05:32.000 Let's open a video file. 00:05:32.000 --> 00:05:34.100 The left-hand side is your viewer area, 00:05:34.100 --> 00:05:36.700 and the right-hand side is your track area. 00:05:36.700 --> 00:05:39.667 In the track area, you can use normal Emacs 00:05:39.667 --> 00:05:42.039 text editing movements. 00:05:42.040 --> 00:05:48.167 Now press `C-c r` to refresh the viewer mode 00:05:48.167 --> 00:05:52.767 with the exact time frame. 00:05:52.767 --> 00:05:59.433 Now press SPC to play or pause the video. 00:05:59.433 --> 00:06:03.233 This looks like an interesting point in the video, 00:06:03.233 --> 00:06:11.433 let's track it and split it. Press Enter to do that. 00:06:11.433 --> 00:06:20.733 We will extract some 10 seconds of this video. 00:06:20.733 --> 00:06:23.233 Let's use this. 00:06:23.233 --> 00:06:26.300 Now go here and delete all these lines. 00:06:26.300 --> 00:06:44.133 Let's review our edited clip. 00:06:44.133 --> 00:06:51.833 Looks good! Now press e to export the video. 00:06:51.833 --> 00:06:57.559 Provide an output file name. 00:06:57.560 --> 00:07:04.433 This will use FFmpeg to convert, and you can 00:07:04.433 --> 00:07:16.967 output to any file format supported by FFmpeg. 00:07:16.967 --> 00:07:21.900 Okay. Let's open up shell and view this 00:07:21.900 --> 00:07:57.159 video file in an external video player. 00:07:57.160 --> 00:08:03.367 That's all for this video. Thanks. NOTE Fill PDF form using GNU Emacs 00:08:03.367 --> 00:08:05.567 Hello. In this video, we will look at 00:08:05.567 --> 00:08:09.760 editing a PDF form using GNU Emacs. 00:08:09.760 --> 00:08:13.840 To start, we have to enable the annotation. 00:08:13.840 --> 00:08:18.533 Then we can use Tab to move forward and Shift+Tab 00:08:18.533 --> 00:08:22.480 to move backwards through the fields. 00:08:22.480 --> 00:08:25.967 To edit a field, we press e. 00:08:25.967 --> 00:08:33.580 So let's edit a text box. We'll call it 'city'. 00:08:33.580 --> 00:08:35.840 Next, we will edit a drop-down. 00:08:35.840 --> 00:08:38.680 Again, press e, and you get a select. 00:08:38.680 --> 00:08:45.833 Use the Minibuffer to select one of the values. 00:08:45.833 --> 00:08:48.500 Let's select 'France'. 08:48.500 --> 00:08:52.180 Now let's edit a radio box. 08:52.180 --> 00:08:55.899 A checkbox or a radio box can be toggled using t. 00:08:55.900 --> 00:08:58.660 You can disable… 08:58.660 --> 00:09:05.140 Now let's save the file, `doc-view-save-form`. 00:09:05.140 --> 00:09:08.360 It will ask for a file name. 00:09:08.360 --> 00:09:13.400 Let's call it `filled1.pdf`. If the file exists, 00:09:13.400 --> 00:09:17.260 it will ask you if you want to overwrite. 09:17.260 --> 00:09:21.460 Now let's verify this new file. 09:21.460 --> 00:09:27.160 In Firefox, we'll copy this file name, call it filled1. 00:09:27.160 --> 00:09:29.100 Let's verify the values. 09:29.100 --> 00:09:32.620 You have city, France and Driving License selected. 09:32.620 --> 00:09:34.900 That's all for this video. Thanks. NOTE Desktop and window management in GNU Emacs 09:34.900 --> 00:09:37.659 Hello. In this video, we will look at 00:09:37.660 --> 00:09:40.460 desktop and window management in GNU Emacs. 09:40.460 --> 00:09:47.740 We'll start with `task-view`. 09:47.740 --> 00:09:50.467 Top row shows all the desktops, 00:09:50.467 --> 00:09:54.400 and rest of the images are the active windows 00:09:54.400 --> 00:09:59.300 in that particular desktop. 00:09:59.300 --> 00:10:09.159 You can tap to select 00:10:09.160 --> 00:10:13.320 and double tap to activate a particular window. 00:10:13.320 --> 00:10:16.767 You can use m to move selected windows 00:10:16.767 --> 00:10:25.099 to any of the desktops at the top. 00:10:25.100 --> 00:10:29.320 Let's check the third desktop. 00:10:29.320 --> 00:10:49.980 Let's bring it back to the second desktop. 10:49.980 --> 00:10:51.300 The best part, 10:51.300 --> 00:10:54.799 you can select multiple windows 00:10:54.800 --> 00:10:59.979 and form a group by pressing g. 00:10:59.980 --> 00:11:04.867 Then you can select any of the windows 00:11:04.867 --> 00:11:07.639 in this group to activate the complete group. 00:11:07.640 --> 00:11:10.439 That's all for this video. Thanks. NOTE Screen mirroring in GNU Emacs 00:11:10.440 --> 00:11:12.433 Hello. In this video, we will look at 00:11:12.433 --> 00:11:14.279 screen mirroring using GNU Emacs. 00:11:14.280 --> 00:11:18.779 Run `wfd`. Select an interface. 00:11:18.780 --> 00:11:20.967 Now it will scan for all the available devices 00:11:20.967 --> 00:11:24.800 for screen mirroring. 00:11:24.800 --> 00:11:30.399 I'll select my TV, which is an LG WebOS TV. 00:11:30.400 --> 00:11:38.720 If you don't decline, it will start streaming. 00:11:38.720 --> 00:11:45.140 Let's change some buffer to check the visuals. 11:45.140 --> 00:11:50.219 To terminate the session, just click on quit. 00:11:50.220 --> 00:11:53.033 That's all for this video. Thanks. NOTE Swipe for Text Input in GNU Emacs 00:11:53.033 --> 00:12:25.533 [Using Sweep to swipe and type "as you like it."] NOTE Formula Editor in GNU Emacs 00:12:25.533 --> 00:12:39.900 [Formula Editor] 00:12:39.900 --> 00:12:45.033 [Typing fractions in the formula] 00:12:45.033 --> 00:12:59.433 [Adding brackets and an exponent] NOTE Transliteration in Emacs 00:12:59.433 --> 00:13:05.200 [Hindi (Devanagari script) Phonetic typing] 00:13:05.200 --> 00:13:09.433 [Phonetic typing Gujarati, Bangla, Kannada, and Tamil] NOTE Social Media client - Tumblr, Reddit 00:13:09.433 --> 00:13:19.533 [Browsing Reddit in Emacs] 00:13:19.533 --> 00:13:29.533 [Browsing Tumblr in Emacs] 00:13:29.533 --> 00:13:40.000 [Browsing X (Twitter) in Emacs] NOTE Comics Builder 00:13:40.000 --> 00:13:49.567 [Generating comic from a text script] NOTE Matching game 00:13:49.567 --> 00:13:59.567 [Matching color names with color boxes] NOTE Interactive XPath Builder in GNU Emacs 00:13:59.567 --> 00:14:01.833 [Running `xpath-builder` on an XML file] 00:14:01.833 --> 00:14:10.767 [Filtering `title`, `para`, and `author` from the XML] NOTE Interactive JSON Builder in GNU Emacs 00:14:10.767 --> 00:14:29.200 [Filtering `father`, `father.name`, `children` 00:14:29.200 --> 00:14:35.233 `children[1]` from a JSON using JSON Builder] NOTE GNU Emacs as a lightweight IDE (CEDET Semantic): Java - Generate getter/setter 00:14:35.233 --> 00:14:37.633 Hello. In this video, we will look at 00:14:37.633 --> 00:14:41.659 generating getters and setters in Java using Emacs. 00:14:41.660 --> 00:14:46.233 We will run `srecode-getset-dialog`. 00:14:46.233 --> 00:14:48.767 We will get an option to select particular fields, 00:14:48.767 --> 00:14:51.833 you can expand and collapse. 00:14:51.833 --> 00:14:54.100 You can select all or deselect all, 00:14:54.100 --> 00:14:56.386 or you can choose any particular getter. 00:14:56.386 --> 00:15:02.633 So let's do protected version of this. Here you go. 00:15:02.633 --> 00:15:06.067 If you want to generate for other fields, 00:15:06.067 --> 00:15:08.300 you can re-run it. 00:15:08.300 --> 00:15:11.267 You can check the one that you have already 00:15:11.267 --> 00:15:13.100 generated is not there. 00:15:13.100 --> 00:15:22.300 Now select all, and you can see rest of the 00:15:22.300 --> 00:15:23.933 getters and setters have been generated. 00:15:23.933 --> 00:15:26.133 That's all for this video. Thanks. NOTE Generate C header 00:15:26.133 --> 00:16:11.640 [Generating C headers using `srecode-gen-header`] NOTE C Rename symbols 00:16:11.640 --> 00:16:13.833 Hello. In this video, we will look at 00:16:13.833 --> 00:16:17.633 renaming method across multiple files in a project. 00:16:17.633 --> 00:16:24.639 Let's start with `semantic-symref-symbol`. 00:16:24.640 --> 00:16:26.800 Now we have the references. 00:16:26.800 --> 00:16:35.399 Let's use the menu to open all these occurrences. 00:16:35.400 --> 00:16:38.433 To rename it, we have to use 00:16:38.433 --> 00:16:41.919 "Rename Symbol in Open hits." 00:16:41.920 --> 00:16:46.439 Let's rename it to underscore 1 (`_1`). 00:16:46.440 --> 00:16:57.719 We will verify it by compiling the project. 00:16:57.720 --> 00:17:00.300 Let's open the `*Messages*` buffer to see the results 00:17:00.300 --> 00:17:04.167 more clearly. No errors. 00:17:04.167 --> 00:17:07.639 That's all for this video. Thanks. NOTE SQL (offline) 00:17:07.640 --> 00:17:09.733 Hello. In this video, we will look at 00:17:09.733 --> 00:17:12.439 SQL editing with Semantic. 00:17:12.440 --> 00:17:16.619 We will define a schema in this SQL document. 00:17:16.620 --> 00:17:27.000 Let's create a table. 00:17:27.000 --> 00:17:30.267 We get already existing tables 00:17:30.267 --> 00:17:38.533 in the current document. 00:17:38.533 --> 00:17:57.033 It also supports auto-completion of some keywords. 00:17:57.033 --> 00:18:00.900 Now we can do some queries on the tables. 00:18:00.900 --> 00:18:03.333 We have `SELECT` as the keyword or the SQL, 00:18:03.333 --> 00:18:06.833 so we will select the SQL. 00:18:06.833 --> 00:18:13.559 Here we have all the tables existing in this schema. 00:18:13.560 --> 00:18:25.633 We can also use an alias for completions. 00:18:25.633 --> 00:18:31.267 Now let's look at a more complex example. 00:18:31.267 --> 00:18:43.367 We will try to do a join on two tables. 00:18:43.367 --> 00:19:06.600 Let's add a `WHERE` clause. 00:19:06.600 --> 00:19:23.333 Next, let's do insert. 00:19:23.333 --> 00:19:27.967 You can just click on Tab to go to the next field. 00:19:27.967 --> 00:19:30.700 Let's fill in the columns. 00:19:30.700 --> 00:19:32.667 And do a Tab to go to the values 00:19:32.667 --> 00:19:37.000 and add the corresponding values. 00:19:37.000 --> 00:19:48.033 Finally, an update. 00:19:48.033 --> 00:20:00.700 Now we will try to delete this 00:20:00.700 --> 00:20:07.333 with a `WHERE col11 = 4`. 00:20:07.333 --> 00:20:16.267 Lastly, let's try dropping the table. 00:20:16.267 --> 00:20:21.867 That's all for this video. Thanks. 00:20:21.867 --> 00:20:30.740 Slide with the text "Let's Make Computing Personal."