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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).
- 11:40, 11 July 2023 Helpful talk contribs created page Near-infrared (Redirected page to Some physics related to everyday life#Infrared notes) Tag: New redirect
- 10:59, 11 July 2023 Helpful talk contribs created page NIR (Redirected page to Some physics related to everyday life#Infrared notes) Tag: New redirect
- 09:09, 11 July 2023 Helpful talk contribs deleted page Neural net software notes (content was: "#REDIRECT Optimized number crunching", and the only contributor was "Helpful" (talk))
- 09:09, 11 July 2023 Helpful talk contribs deleted page Linear algebra library notes (content was: "#redirect Optimized number crunching", and the only contributor was "Helpful" (talk))
- 09:06, 11 July 2023 Helpful talk contribs deleted page Pcie (content was: "#redirect Computer_hardware_notes#PCI.2C_PCI-Express", and the only contributor was "Helpful" (talk))
- 09:06, 11 July 2023 Helpful talk contribs deleted page Coil whine (content was: "#redirect Computer_hardware_notes#Coil_whine", and the only contributor was "Helpful" (talk))
- 09:05, 11 July 2023 Helpful talk contribs deleted page Template:Skipme (content was: "#REDIRECT Template:Zzz", and the only contributor was "Helpful" (talk))
- 09:05, 11 July 2023 Helpful talk contribs deleted page Standard deviation (content was: "#redirect Statistics notes - Footnotes on various analyses#Standard deviation, variance", and the only contributor was "Helpful" (talk))
- 09:05, 11 July 2023 Helpful talk contribs deleted page Oauth (content was: "#redirect Identity, auth#OAuth notes", and the only contributor was "Helpful" (talk))
- 09:05, 11 July 2023 Helpful talk contribs deleted page CO, CO2 (content was: "#REDIRECT Air quality", and the only contributor was "Helpful" (talk))
- 09:05, 11 July 2023 Helpful talk contribs deleted page CPU sockets (content was: "#redirect Computer hardware notes", and the only contributor was "Helpful" (talk))
- 09:05, 11 July 2023 Helpful talk contribs deleted page Processors (content was: "#redirect Computer hardware notes", and the only contributor was "Helpful" (talk))
- 09:05, 11 July 2023 Helpful talk contribs deleted page Computer noise (content was: "#redirect Computer_hardware_notes#Computer_noises", and the only contributor was "Helpful" (talk))
- 09:04, 11 July 2023 Helpful talk contribs deleted page Lucene and things that wrap it (content was: "#REDIRECT Elasticsearch notes", and the only contributor was "Helpful" (talk))
- 06:02, 11 July 2023 User account CasaShea talk contribs was created
- 01:44, 11 July 2023 CasaShea talk contribs created page Gia Cong Chu Nhom Dinh Phan (Created page with "Chung toi chuyen:<br>- lam bang hieu<br>- chu inox<br>- chu hut noi<br>- hop den [http://www.speakingtree.in/search/mica%20hut mica hut] noi<br>- [https://dinhphanadvertising.com/hop-den-mica-hut-noi/ chu nhom khong vien]<br>Lien he sdt/zalo: 0947.85.0022<br>Website: dinhphanadvertising.com")
- 01:44, 11 July 2023 CasaShea talk contribs created page User:JosieSilvestri2 (Created page with "Chung toi chuyen:<br>- lam bang quang cao<br>- gia cong chu inox<br>- lam chu mica hut noi<br>- hop den mica hut noi<br>- gia cong [https://dinhphanadvertising.com/hop-den-mica-hut-noi/ chu nhom khong vien] noi nhom<br>Lien he sdt/zalo: 0947.85.0022<br>Website: dinhphanadvertising.com")
- 01:44, 11 July 2023 User account CasaShea talk contribs was created
- 00:17, 11 July 2023 Helpful talk contribs created page PLCs (Redirected page to Electronics project notes/Microcontroller and computer platforms#PLCs) Tag: New redirect
- 00:17, 11 July 2023 Helpful talk contribs created page PLC (Redirected page to Electronics project notes/Microcontroller and computer platforms#PLCs) Tag: New redirect
- 19:07, 10 July 2023 Helpful talk contribs created page TTS (Redirected page to Voice recognition and text to speech) Tag: New redirect
- 18:27, 10 July 2023 User account CasaShea talk contribs was created
- 16:27, 10 July 2023 Helpful talk contribs created page Home device power use (Created page with "<!-- ===Devices=== ====Computers==== ====Amplifier==== Amplifiers tend to use oldschool transformers instead of switch mode power, to avoid noise from the power supply that switch-mode might introduce. This gives them a noticeable baseline power use - assume it's maybe 15-35W just for being powered on, making no sound. It'll go up when actually making sound. People overestimate how much - in a small room it's hard to make go up more than 20W unless you make it ''lo...")
- 16:05, 10 July 2023 Helpful talk contribs moved page Optimized number crunching and neural net software notes to Optimized number crunching
- 15:17, 10 July 2023 Helpful talk contribs deleted page Other EM notes (content was: "#REDIRECT Thon rings", and the only contributor was "Helpful" (talk))
- 15:17, 10 July 2023 Helpful talk contribs moved page Other EM notes to Thon rings
- 15:17, 10 July 2023 Helpful talk contribs deleted page Template:EMnotes (content was: "{| align=center style="background: #dfe5f9; border: 1px solid #aaa; padding: .2em; margin-bottom: 3px; font-size: 95%; width: auto; page-break-before:avoid; -moz-border-radius-bottomleft:0.25em; -moz-border-radius-bottomright:0.25em; -moz-border-radius-topleft:0.65em; -moz-border-radius-topright:0.65em;" | style="padding-right: 4px; padding-left: 4px;" | Notes related to Elec...", and the only contributor was "Helpful" (talk))
- 15:14, 10 July 2023 Helpful talk contribs created page Zero trust (Created page with "<!-- (not to be confused with Zero-Knowledge Proof) Zero trust security is a way of thinking about access between systems, and how to architect when these all needs to interact. Consider how companies historically often end up trusting certain central parts (LDAP, RADIUS servers) blindly ("well you have to do something"), and/or consider all devices within a company perimeter (physical or VPN) trustworthy to a smaller degree. Because it's easier. {{comment|Well,...")
- 15:03, 10 July 2023 Helpful talk contribs created page Calibration (Created page with "<!-- ===One-point calibration=== Often enough this means that you set a value aganst a known reference and leave the the gain/factor/multiplier/slope alone. It tends to tweaks the error to be smallest around the calibrated value. Which is typically better than nothing. For non-linear behaviours and/or non-linear sensors, it may do little more than that. If the sensor is known to react in proportion to the thing you're measuring (e.g. a temperature sensor's work...")
- 14:52, 10 July 2023 Helpful talk contribs created page Euclidian distance (Redirected page to Similarity or distance measures/metrics#Euclidean / L2 distance) Tag: New redirect
- 14:52, 10 July 2023 Helpful talk contribs created page City block distance (Redirected page to Https://helpful.knobs-dials.com/index.php/Similarity or distance measures/metrics#City block / Manhattan distance / L1 distance / Taxicab geometry) Tag: New redirect
- 13:03, 10 July 2023 Helpful talk contribs created page Template:Search stuff (Created page with "{| align=center style="background: #e075f9; border: 1px solid #aaa; padding: .2em; margin-bottom: 3px; font-size: 95%; width: auto; page-break-before:avoid; -moz-border-radius-bottomleft:0.25em; -moz-border-radius-bottomright:0.25em; -moz-border-radius-topleft:0.65em; -moz-border-radius-topright:0.65em;" | style="padding-right: 4px; padding-left: 4px;" | The physical and human spects dealing with audio, video, and images Lucene and things that wrap it: Lucene Sol...")
- 13:01, 10 July 2023 Helpful talk contribs moved page Lucene and things that wrap it to Elasticsearch notes
- 13:00, 10 July 2023 Helpful talk contribs created page Solr notes (Created page with "{{search stuff}} {{old}} '''Note: you probably now want to look at ElasticSearch instead''' ==Solr== {{stub}} [http://lucene.apache.org/solr/ Solr] is * a layer of management/functionality/caching between lucene and an actual use. * a Java servlet that provides friendlier search and management than bare Lucene does * a little more analysis on top of Lucene * a few features on top of Lucene It is mostly focuses on a nicer/convenient interface for data/sea...")
- 12:59, 10 July 2023 Helpful talk contribs moved page Lucene to Lucene notes
- 11:59, 10 July 2023 Helpful talk contribs created page Reification (Created page with "{{stub}} <!-- Reification relates to concrete expressions of abstract ideas. Reification as something you actively ''do'' has two common meanings: * to make an abstraction more concrete or real * to regard an idea as having material existence '''The first, "to make an abstraction more concrete or real"''', can be * less conscious, : e.g. "these instincts are, in humans, reified as verbal constructs" (talking about grunts or screams), and in this case, the sentence...")
- 11:53, 10 July 2023 Helpful talk contribs created page Template:Computer hardware (Created page with "{| align=center style="background: #e0f5f9; border: 1px solid #aaa; padding: .2em; margin-bottom: 3px; font-size: 95%; width: auto; page-break-before:avoid; -moz-border-radius-bottomleft:0.25em; -moz-border-radius-bottomright:0.25em; -moz-border-radius-topleft:0.65em; -moz-border-radius-topright:0.65em;" | style="padding-right: 4px; padding-left: 4px;" | The physical and human spects dealing with audio, video, and images General: Computer power consumption ยท [...")
- 11:51, 10 July 2023 Helpful talk contribs created page Computer noises (Created page with "{{computer hardware}} {{stub}} ===CD/DVD drives=== Drives may vibrate if the construction is not very well balanced. Also, drives may spin at fairly ridiculous speeds (5000-10000RPM), it'll make noise no matter what. You can always take out the CD/DVD, of course, but sometimes you want it to use it silently. Some laptops let you tell the drive to spin at the lowest speed that is still enough for DVD-Video playback (or such). ===Hard drives=== Complexity to redu...")
- 11:50, 10 July 2023 Helpful talk contribs deleted page Computer hardware notes (content was: "{{old}} <!-- ==Form factors / motherboard sizes== There are over two dozen of these, but most of the tower/desktop computers use one of: * '''micro-ATX''' - when three or four expansion slots are enough (~80% of the size of standard ATX.) * '''ATX''' when you want ~6 expansion slots. * '''mini-ITX''' - when cramped, fits in some smaller cases. Usually has one expansion slo...", and the only contributor was "Helpful" (talk))
- 11:50, 10 July 2023 Helpful talk contribs created page Computer power consumption (Created page with "{{computer hardware}} {{stub}} <!-- A desktop PC not designed with power saving in mind may idle around 70..100W. '''Desktops''' tends to use on the order of 50-200 Watt : down to maybe 25W idle in specific designs, but might be ~90W in designs that don't : up to 400W on a gaming machine working hard '''Laptops''' tend to intentionally scale down better, and can sit in the range of 20-40 Watts. : down to maybe 10W : up to 150W when working very hard, maybe more...")
- 11:45, 10 July 2023 Helpful talk contribs created page On memory fragmentation (Created page with "{{computer hardware}} ==Fragmentation in general== <!-- Since you don't want to manage all memory by yourself, you usually want something to provide an allocator for you, so you can ask "I would like X amount of contiguous memory now, please" and it'll figure out where it needs to come from. Since an allocator will serve many such requests over time, and programs ask for fairly arbitrary-sized chunks, over time these allocations end up somewhat arbitrarily positioned,...")
- 11:44, 10 July 2023 Helpful talk contribs created page Memory limits on 32-bit and 64-bit machines (Created page with "{{computer hardware}} {{stub}} tl;dr: * If you want to use significantly more than 4GB of RAM, you want a 64-bit OS. * ...and since that is now typical, most of the details below are irrelevant TODO: the distinction between (effects from) physical and virtual memory addressing should be made clearer. <!-- Physical memory addressing * not so v * is complicated by the device hole Virtual memory: * means per-process page tables (virtual-physical mapping, managed by...")
- 11:43, 10 July 2023 Helpful talk contribs created page Some understanding of memory hardware (Created page with "{{computer hardware}} [https://people.freebsd.org/~lstewart/articles/cpumemory.pdf "What Every Programmer Should Know About Memory"] is a good overview of memory architectures, RAM types, reasons bandwidth and access speeds vary. ==RAM types== '''DRAM''' - Dynamic RAM : lower component count per cell than most (transistor+capacitor mainly), so high-density and cheaper : yet capacitor leakage means this has to be refreshed regularly, meaning a DRAM controller, more...")
- 11:40, 10 July 2023 Helpful talk contribs created page Flash memory (Created page with "=Flash memory= ==Memory card types== {{notes}} For different kinds of memory cards, see Common plugs and connectors#Memory_cards ===Secure Digital (SD, miniSD, microSD), and MMC details=== {{stub}} '''Capacity types / families''' * SD (now named SDSC, 'standard capacity', to distinguish it) ** size (somewhat artificially) limited to 1-4GB * SDHC (high capacity), since approx 2006 ** physically identical but conforming to a new standard that allows for highe...")
- 11:33, 10 July 2023 Helpful talk contribs created page CPU cache notes (Created page with "{{computer hardware}} =CPU cache notes= {{stub}} CPU caches put a little faster-but-costlier SRAM (or similar) between CPU (registers are even faster) and main RAM (slowish, often DRAM). CPU caches mirror fragments in main RAM, and remember where it came from. Whenever accesses towards main RAM can be served from cache, they are served faster Today [Computer_/_Speed_notes order of 1 to 10ns instead of order of 100ns], but the idea has been worth implementing...")
- 17:17, 9 July 2023 Helpful talk contribs created page MediaWiki:Common.css (Created page with "CSS placed here will be applied to all skins: div#content { max-width: 75em; border-radius: 10px; } span.spoilers { background:black; color:black } span.spoilers:hover { background:transparent; } .python { border: 2px inset #eee4 !important; border-radius:1em; background-color:#ddd; margin-right:0rem; }")
- 17:15, 9 July 2023 Helpful talk contribs changed group membership for Helpful from bureaucrat and administrator to bureaucrat, administrator and interface administrator
- 13:12, 27 June 2023 Helpful talk contribs deleted page Visual studio code notes (content was: " <!-- ===pylance is broken=== It does that. Try to install a different version and see if that helps. -->" (and the only contributor was "Helpful"))
- 10:12, 17 June 2023 Helpful talk contribs moved page Some more basic text processing to Some relatively basic text processing
- 10:24, 14 June 2023 Helpful talk contribs moved page Tf-idf to Some more basic text processing