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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).
- 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== -->")
- 16:18, 21 June 2024 Helpful talk contribs created page 80-20 (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...")
- 14:45, 20 June 2024 Helpful talk contribs deleted page Wireshark (content was: "#redirect Other network tools#wireshark_and_tshark_notes", and the only contributor was "Helpful" (talk))
- 14:43, 20 June 2024 Helpful talk contribs moved page Network tools to Other network tools
- 14:43, 20 June 2024 Helpful talk contribs created page Wireshark and tshark notes (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 Helpful talk contribs created page Tcpdump notes (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 Helpful talk contribs created page Dynamic dispatch (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 Helpful talk contribs created page ZIP disk (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...")
- 17:38, 19 June 2024 Helpful talk contribs created page Firefox (Redirected page to Firefox notes) Tag: New redirect
- 14:58, 19 June 2024 Helpful talk contribs created page OpenID (Redirected page to OpenID notes) Tag: New redirect
- 14:55, 19 June 2024 Helpful talk contribs created page Micropub (Created page with "<!-- https://en.wikipedia.org/wiki/Micropub_(protocol) https://www.w3.org/TR/micropub/ -->")
- 14:54, 19 June 2024 Helpful talk contribs created page OpenID notes (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 Helpful talk contribs created page OAuth notes (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...")
- 11:23, 19 June 2024 Helpful talk contribs deleted page Linguistic data format notes (content was: "{{stub}}", and the only contributor was "Helpful" (talk))
- 12:56, 17 June 2024 Helpful talk contribs created page Algorithmic complexity (Redirected page to Computational complexity theory notes) Tag: New redirect
- 12:17, 17 June 2024 Helpful talk contribs created page Python threading (Redirected page to Python usage notes - concurrency#threading module) Tag: New redirect
- 10:47, 17 June 2024 Helpful talk contribs created page Code optimization (Created page with " <!-- ===Micro-optimization=== -->")
- 10:47, 17 June 2024 Helpful talk contribs created page Optimization (Redirected page to Code optimization) Tag: New redirect
- 19:07, 16 June 2024 Helpful talk contribs created page Xdg-open (Redirected page to Freedesktop, GNOME, and KDE notes#xdg-open) Tag: New redirect
- 15:37, 16 June 2024 Helpful talk contribs created page IEC320 (Redirected page to Common plugs and connectors#IEC 320 connectors) Tag: New redirect
- 15:37, 16 June 2024 Helpful talk contribs created page IEC 320 (Redirected page to Common plugs and connectors#IEC 320 connectors) Tag: New redirect
- 15:30, 16 June 2024 Helpful talk contribs created page Hoisting (Created page with "{{#addbodyclass:tag_tech}} {{#addbodyclass:tag_prog}} {{programming}} hoisting means things within a scope are moved up. It's a term related to compilation execution, because it means a block is parsed completely before it starts running it, and the exact ordering doesn't matter. In JS, declarations (variable declarations and function declarations) are hoisted, meaning you can use them. A potentially confusing thing is that depending on the language, declaration...")
- 15:08, 16 June 2024 Helpful talk contribs moved page Stack trace to Call stack
- 15:02, 16 June 2024 Helpful talk contribs created page Incandescent lighting (Redirected page to Lightbulb notes#Incandescent and halogen lamps) Tag: New redirect
- 14:24, 16 June 2024 Helpful talk contribs created page Codec (Created page with "'''Codec''', a portmanteau of ''coder/decoder'', refers to that can encode and/or decodes a kind of thing. This can be either hardware or software. * 'video codec' often refers to software :: and is a term common to talking about video playback * 'audio codec' often refers to an IC that contains both DAC and ADC. :: the term is more restrained, to e.g. hardware designers * 'image codec' is software :: the term is even more restrained, e.g. when people want to...")
- 11:37, 16 June 2024 Helpful talk contribs created page Binary search (Created page with "<!-- There are various cases where a golden-section search is preferable https://en.wikipedia.org/wiki/Golden-section_search -->")
- 23:40, 15 June 2024 Helpful talk contribs created page USB host shield (Created page with "<!-- The Arduino USB host shield is based on the MAX3421E, which is controlled via SPI, (and has some general-purpose input and output pins, exposed so that you can use them) The MAX3421E is 3.3V device, as the USB data lines are 3.3V differential. I'm guessing the buffer chips on the board make it tolerate 5V. USB's voltage lines are 5V. : Self-powered devices barely care about these lines, meaning you can get away wiring VBus to 3.3V. : For bus-powered devices yo...")
- 14:58, 15 June 2024 Helpful talk contribs created page Format (Redirected page to Python notes - syntax and language#format()) Tag: New redirect
- 11:34, 15 June 2024 Helpful talk contribs created page Btmp (Redirected page to Logging#utmp) Tag: New redirect
- 11:34, 15 June 2024 Helpful talk contribs created page Wtmp (Redirected page to Logging#utmp) Tag: New redirect