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Combined display of all available logs of Helpful. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 16:15, 2 July 2024 Helpful talk contribs created page Moire (Created page with "<!-- https://xkcd.com/1814/ -->")
- 14:48, 2 July 2024 Helpful talk contribs created page Pyproject (Redirected page to Python usage notes - importing, modules, packages, packaging#pyproject.toml notes) Tag: New redirect
- 12:27, 2 July 2024 Helpful talk contribs deleted page Firefox (content was: "#redirect Firefox notes", and the only contributor was "Helpful" (talk))
- 16:37, 1 July 2024 Helpful talk contribs created page Electronic music - modular - power supply (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 Helpful talk contribs created page Source-filter model (Redirected page to Speech processing#source-filter model) Tag: New redirect
- 16:10, 1 July 2024 Helpful talk contribs created page PSOLA (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 Helpful talk contribs created page Isopropyl (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Isopropyl) Tag: New redirect
- 15:09, 1 July 2024 Helpful talk contribs created page Turpentine (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Turpentine) Tag: New redirect
- 15:08, 1 July 2024 Helpful talk contribs created page Spiritus (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Denatured alcohol) Tag: New redirect
- 14:31, 1 July 2024 Helpful talk contribs uploaded a new version of File:Centronics-36M.jpg (more crop)
- 14:30, 1 July 2024 Helpful talk contribs uploaded a new version of File:Centronics-36M.jpg (crop)
- 14:29, 1 July 2024 Helpful talk contribs uploaded a new version of File:Centronics-36F.jpg (crop)
- 13:12, 1 July 2024 Helpful talk contribs moved page Genericised trademark to Genericised trademarks
- 11:11, 1 July 2024 Helpful talk contribs created page Idiomaticity (Redirected page to Figures of speech, expressions, phraseology, etc.#Idiomaticity, idioms) Tag: New redirect
- 11:49, 30 June 2024 Helpful talk contribs created page Idiomatic (Redirected page to Figures of speech, expressions, phraseology, etc.#Idiom) Tag: New redirect
- 21:09, 28 June 2024 Helpful talk contribs created page Autotransformer (Redirected page to Electronics notes/Inductors and transformers#Named purposes / designs) Tag: New redirect
- 13:31, 28 June 2024 Helpful talk contribs created page Pointwise Mutual Information (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...")
- 12:01, 28 June 2024 Helpful talk contribs deleted page Video (content was: "#REDIRECT Video format notes", and the only contributor was "Helpful" (talk))
- 17:31, 27 June 2024 Helpful talk contribs created page Geolocation (Redirected page to Javascript notes - browser related, APIs#Geolocation API) Tag: New redirect
- 17:05, 27 June 2024 Helpful talk contribs created page Threat modeling (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 Helpful talk contribs created page OTP (Redirected page to Security notes / Kinds of auth setup#OTP) Tag: New redirect
- 12:21, 27 June 2024 Helpful talk contribs created page Pre-boot authentication (Redirected page to Computer booting#Pre-boot authentication) Tag: New redirect
- 00:54, 27 June 2024 Helpful talk contribs created page Capstan (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 Helpful talk contribs created page Heat tape (Redirected page to DIY, craft, materials, and such / Household and DIY substances#Heat tape) Tag: New redirect
- 12:13, 25 June 2024 Helpful talk contribs created page EPROM (Redirected page to Some understanding of memory hardware#EPROM, EEPROM, and variants) Tag: New redirect
- 17:46, 24 June 2024 Helpful talk contribs created page On display speed (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 Helpful talk contribs created page Screen tearing and vsync (Redirected page to Video display notes#Vsync) Tag: New redirect
- 17:32, 24 June 2024 Helpful talk contribs created page Display DIY (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 Helpful talk contribs created page Simpler display types (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 Helpful talk contribs created page Video display notes (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...")
- 17:29, 24 June 2024 Helpful talk contribs moved page Video format notes to Video file format notes
- 17:58, 22 June 2024 Helpful talk contribs uploaded a new version of File:Connector-JST XH various.jpg (trying for better contrast)
- 17:52, 22 June 2024 Helpful talk contribs created page JST-PH (Redirected page to Common plugs and connectors#JST PH series) Tag: New redirect
- 16:52, 22 June 2024 Helpful talk contribs created page IBUS (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 Helpful talk contribs created page Dynamic language (Redirected page to Programming language typology and glossary#dynamic typing.2C static typing) Tag: New redirect
- 14:13, 22 June 2024 Helpful talk contribs created page DPI (Created page with "<!-- In graphics reproduction, '''Dots per inch''' In monitor output, Display Parallel Interface -->")
- 14:10, 22 June 2024 Helpful talk contribs created page Teensy LC (Redirected page to Electronics project notes/Microcontroller and computer platforms#Teensy) Tag: New redirect
- 13:40, 22 June 2024 Helpful talk contribs created page RC protocol notes (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== -->")