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- 16:15, 2 July 2024 Moire (hist | edit) [33 bytes] Helpful (talk | contribs) (Created page with "<!-- https://xkcd.com/1814/ -->")
- 14:48, 2 July 2024 Pyproject (hist | edit) [95 bytes] Helpful (talk | contribs) (Redirected page to Python usage notes - importing, modules, packages, packaging#pyproject.toml notes) Tag: New redirect
- 16:37, 1 July 2024 Electronic music - modular - power supply (hist | edit) [39,771 bytes] Helpful (talk | contribs) (Created page with "{{#addbodyclass:tag_tech}} {{#addbodyclass:tag_media}} {{avnotes}} {{MusicAndSynthStuff}} ==Requirements== =====Bipolar power===== <!-- Most modules, no matter the rack format, will need bipolar power DC -- both a positive and negative supply compared to what you call neutral. This is relatively rare in devices, except in some audio devices. It makes some audio circuits simpler, particularly opamps not having to fiddle with bias -- ''but'' most audio devices figure t...")
- 16:23, 1 July 2024 Source-filter model (hist | edit) [51 bytes] Helpful (talk | contribs) (Redirected page to Speech processing#source-filter model) Tag: New redirect
- 16:10, 1 July 2024 PSOLA (hist | edit) [111 bytes] Helpful (talk | contribs) (Redirected page to Audio and signal processing - unsorted stuff#Linear predictive coding (LPC) for speech; and PSOLA) Tag: New redirect
- 15:09, 1 July 2024 Isopropyl (hist | edit) [86 bytes] Helpful (talk | contribs) (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Isopropyl) Tag: New redirect
- 15:09, 1 July 2024 Turpentine (hist | edit) [87 bytes] Helpful (talk | contribs) (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Turpentine) Tag: New redirect
- 15:08, 1 July 2024 Spiritus (hist | edit) [94 bytes] Helpful (talk | contribs) (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Denatured alcohol) Tag: New redirect
- 11:11, 1 July 2024 Idiomaticity (hist | edit) [86 bytes] Helpful (talk | contribs) (Redirected page to Figures of speech, expressions, phraseology, etc.#Idiomaticity, idioms) Tag: New redirect
- 11:49, 30 June 2024 Idiomatic (hist | edit) [69 bytes] Helpful (talk | contribs) (Redirected page to Figures of speech, expressions, phraseology, etc.#Idiom) Tag: New redirect
- 21:09, 28 June 2024 Autotransformer (hist | edit) [83 bytes] Helpful (talk | contribs) (Redirected page to Electronics notes/Inductors and transformers#Named purposes / designs) Tag: New redirect
- 13:31, 28 June 2024 Pointwise Mutual Information (hist | edit) [5,199 bytes] Helpful (talk | contribs) (Created page with "{{stub}} Pointwise Mutual Information (PMI) quantifies coincidence from their joint distribution and their individual distributions, assuming independence. A little more concretely, PMI calculates probability of one word following another divided by the probability of each appearing at all: PMI(word1,word2) = log( P(word1,word2) / ( P(word2) * P(word1) ) ) Notes: * the base for the log isn't important when this is a unitless thing used ''only'' for relati...")
- 17:31, 27 June 2024 Geolocation (hist | edit) [2,922 bytes] Helpful (talk | contribs) (Redirected page to Javascript notes - browser related, APIs#Geolocation API) Tag: New redirect
- 17:05, 27 June 2024 Threat modeling (hist | edit) [1,069 bytes] Helpful (talk | contribs) (Created page with " <!-- Accepting that no system can be fully secure, particularly when humans are part of it, we figure out the most likely threats, and check that they are covered. threat modeling basically means figuring out '''what kinds of problem you are trying to solve''', because it's easy to solve a problem you didn't really have, or focus on a smaller but forget a larger issue. Sometimes that's just pointing out that no one needs to Mission Impossible in, when a brick thr...")
- 12:52, 27 June 2024 OTP (hist | edit) [54 bytes] Helpful (talk | contribs) (Redirected page to Security notes / Kinds of auth setup#OTP) Tag: New redirect
- 12:21, 27 June 2024 Pre-boot authentication (hist | edit) [54 bytes] Helpful (talk | contribs) (Redirected page to Computer booting#Pre-boot authentication) Tag: New redirect
- 00:54, 27 June 2024 Capstan (hist | edit) [838 bytes] Helpful (talk | contribs) (Created page with "<!-- In nautical use, a capstan is a vertical axel, with some radius, that is used multiplies rotational force, and often with a ratchet of sorts, so similar to a winch, windlass, hydraulically powered versions in railroads, and other such constructions. Initially probably just a wooden barrel with sticks attached, later versions were iron and could stand more force. In tape players, the capstan is still used as a multiplier, turning rotation into torque (often as...")
- 13:12, 25 June 2024 Heat tape (hist | edit) [86 bytes] Helpful (talk | contribs) (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Heat tape) Tag: New redirect
- 12:13, 25 June 2024 EPROM (hist | edit) [79 bytes] Helpful (talk | contribs) (Redirected page to Some understanding of memory hardware#EPROM, EEPROM, and variants) Tag: New redirect
- 17:46, 24 June 2024 On display speed (hist | edit) [1,805 bytes] Helpful (talk | contribs) (Created page with "{{avnotes}} <!-- "Why is my 120Hz TV faster than my 390Hz monitor?" It won't always be, but specific hardware varies more than that Hz figure is capable of describing. In other words: because you confused * input latency - how much time is added by the fact we are transferring pixels * refresh interval - the interval at which we push new pixels onto the panel * the pixel's response time - after being given a new value, how quickly a pixel actually gets there That...")
- 17:33, 24 June 2024 Screen tearing and vsync (hist | edit) [39 bytes] Helpful (talk | contribs) (Redirected page to Video display notes#Vsync) Tag: New redirect
- 17:32, 24 June 2024 Display DIY (hist | edit) [8,005 bytes] Helpful (talk | contribs) (Created page with " {{avnotes}} ===LCD character dislays=== Character displays are basically those with predefined (and occasionally rewritable) fonts. ====Classical interface==== The more barebones interface is often a 16 pin line with a pinout like * Ground * Vcc * Contrast : usually there's a (trim)pot from Vcc, or a resistor if it's fixed * RS: Register Select (character or instruction) : in instruction mode, it receives commands like 'clear display', 'move cursor', : in cha...")
- 17:32, 24 June 2024 Simpler display types (hist | edit) [2,983 bytes] Helpful (talk | contribs) (Created page with "{{avnotes}} =Just a few elements= ==Lighting== ===Nixie tubes=== thumb|right| <!-- Nixie tubes were some of the earliest outputs of computers They have been a inefficient solution since the transistor or so. But they're still pretty. Lightbulb_notes#Nixie_tubes --> <br style="clear:both"> ===Dekatron=== <!-- https://en.wikipedia.org/wiki/Dekatron --> ===Eggcrate display=== <!-- An eggcrate display is a number of often-incandescent, often...")
- 17:31, 24 June 2024 Video display notes (hist | edit) [81,095 bytes] Helpful (talk | contribs) (Created page with "{{avnotes}} =Many-element, video display - TV and monitor notes (and a little film)= ==Backlit flat-panel displays== <!-- We may call them LCD, but that was an early generation LCD and TFT and various other acronyms are all the same idea, with different refinements on how the pixels work exactly. There are roughly two parts of such monitors you can care about: How the backlight works, and how the pixels work. But almost all of them come down to * pixels will block...")
- 17:52, 22 June 2024 JST-PH (hist | edit) [55 bytes] Helpful (talk | contribs) (Redirected page to Common plugs and connectors#JST PH series) Tag: New redirect
- 16:52, 22 June 2024 IBUS (hist | edit) [237 bytes] Helpful (talk | contribs) (Created page with " <!-- In linux, [https://en.wikipedia.org/wiki/Intelligent_Input_Bus Intelligent Input Bus] is a keyboard input-method system Around hobbyist remote control, Flysky iBUS is a type of communication between receiver and actuators -->")
- 15:28, 22 June 2024 Dynamic language (hist | edit) [88 bytes] Helpful (talk | contribs) (Redirected page to Programming language typology and glossary#dynamic typing.2C static typing) Tag: New redirect
- 14:13, 22 June 2024 DPI (hist | edit) [203 bytes] Helpful (talk | contribs) (Created page with "<!-- In graphics reproduction, '''Dots per inch''' In monitor output, Display Parallel Interface -->")
- 14:10, 22 June 2024 Teensy LC (hist | edit) [85 bytes] Helpful (talk | contribs) (Redirected page to Electronics project notes/Microcontroller and computer platforms#Teensy) Tag: New redirect
- 13:40, 22 June 2024 RC protocol notes (hist | edit) [226 bytes] Helpful (talk | contribs) (Created page with "{{stub}} <!-- https://oscarliang.com/rc-protocols/ (among many others - when searching, see also PWM, PPM, PCM, IBUS, SBUS, XBUS, DSM2, DSMX) ==Transmiter-to-receiver protocols== ==Receiver-to-actuator protocols== -->")
- 16:18, 21 June 2024 80-20 (hist | edit) [3,758 bytes] Helpful (talk | contribs) (Created page with " Most widely, the 80-20 rule is an indication of inequality. Whether that is of use : of ethical fairness, : or the practical division of work, : or the effectiveness of perfectoinism, : or of any other pattern you would like to point out. It is named for the economist and general smart dude [https://en.wikipedia.org/wiki/Vilfredo_Pareto Vilfredo Pareto] pointing out that 80% of Italy was owned by 20% of the population - an unequal distribution of wealth. <!-- Math...")
- 14:43, 20 June 2024 Wireshark and tshark notes (hist | edit) [2,731 bytes] Helpful (talk | contribs) (Created page with "{{networking stuff}} {{stub}} '''Wireshark''' captures network data and shows it visually. It's e.g. a great network debugging tool. '''tshark''' is basically the command line variant of wireshark. This makes it like tcpdump, but a little more capable. wireshark and tshark have a slightly confusing difference between '''capture filters''' and '''display filters''' '''Capture filters''' : are what can be passed into libpcap/winpcap, :: so '''is the same syn...")
- 13:32, 20 June 2024 Tcpdump notes (hist | edit) [10,103 bytes] Helpful (talk | contribs) (Created page with " {{notes}} TCPdump snoops network traffic going getting to the host it runs on. It can also filter what packets it shows/writes. It can summarize the traffic on-screen (the default) or write it to the fairly common pcap-style files. The 'tcp' in the name is misleading, because it suggests it captures at the network layer, and then specifically TCP. Actually, it captures at link layer, so you can get at a lot of interesting stuff. Wireshark (previously Ethereal)...")
- 19:14, 19 June 2024 Dynamic dispatch (hist | edit) [440 bytes] Helpful (talk | contribs) (Created page with "<!-- Dynamic dispatch means a runtime choice of code to run. It often means you're running an OO language with polymorphism and there is a need the process of selecting which implementation of a polymorphic operation (method or function) to call at run time See also late binding -->")
- 17:52, 19 June 2024 ZIP disk (hist | edit) [2,213 bytes] Helpful (talk | contribs) (Created page with "<!-- The zip disk is an oddity. I remember thinking it a weird concept even when it was new. It's a drive with sturdy 100MB cartridges. The drive was typically external and connected via a parallel port which meant no extra hardware necessary (there were also SCSI and IDE options). Speed order of ~1MByte/s for parallel (the easiest option), to 5MByte/s for the others{{verify}} Which was pretty good at the time. For context, : 5.25" floppies were still in servi...")
- 14:58, 19 June 2024 OpenID (hist | edit) [26 bytes] Helpful (talk | contribs) (Redirected page to OpenID notes) Tag: New redirect
- 14:55, 19 June 2024 Micropub (hist | edit) [93 bytes] Helpful (talk | contribs) (Created page with "<!-- https://en.wikipedia.org/wiki/Micropub_(protocol) https://www.w3.org/TR/micropub/ -->")
- 14:54, 19 June 2024 OpenID notes (hist | edit) [6,752 bytes] Helpful (talk | contribs) (Created page with "{{stub}} ====Short version==== See [http://simonwillison.net/2006/openid-screencast/ this video], it's pretty clear on the basics. ====What it is==== In the more functional sense, OpenID * lets you have an identity on an OpenID provider * that you can use to sign on to many other websites Any such participating client site mostly just cares to have someone give them an identity, and have someone say that's really them (authenticate that identity). What you giv...")
- 14:53, 19 June 2024 OAuth notes (hist | edit) [10,682 bytes] Helpful (talk | contribs) (Created page with " ====What OAuth is and isn't==== <!-- OAuth is an open standard for access delegation. So authorization of access, in a specific way. And not authentication. It does not handle or federate identity (like OpenID and SAML). You don't need to have authentication be part of the process at all. : ...there are situations that would be an obvious thing to add : ...there are situations that is already handled, or not necessary '''What it's meant to allow''' You...")
- 12:56, 17 June 2024 Algorithmic complexity (hist | edit) [51 bytes] Helpful (talk | contribs) (Redirected page to Computational complexity theory notes) Tag: New redirect
- 12:17, 17 June 2024 Python threading (hist | edit) [63 bytes] Helpful (talk | contribs) (Redirected page to Python usage notes - concurrency#threading module) Tag: New redirect
- 10:47, 17 June 2024 Code optimization (hist | edit) [2,710 bytes] Helpful (talk | contribs) (Created page with " <!-- ===Micro-optimization=== -->")