interesting links2024-03-27T14:33:06+01:00https://roland.iwasno.net/links/https://roland.iwasno.net/links/https://roland.iwasno.net/links/LCM+L - Online Systemshttps://roland.iwasno.net/links/?tG223g2024-03-27T14:33:06+01:00Information on the Computers available over the Internet from the LCM through SSH.<br>(<a href="https://roland.iwasno.net/links/?tG223g">Permalink</a>)timeanddate.comhttps://roland.iwasno.net/links/?2AbjLA2024-03-25T13:02:15+01:00Information about time(zones), dates, calendars and astronomical events.<br>(<a href="https://roland.iwasno.net/links/?2AbjLA">Permalink</a>)The Go Programming Languagehttps://roland.iwasno.net/links/?uDuclg2024-03-01T11:57:14+01:00I have read quite a bit about Go, but apparently not saved any bookmarks.<br />
<a href="https://pkg.go.dev/math/big@go1.22.0#Int" rel="nofollow">https://pkg.go.dev/math/big@go1.22.0#Int</a> has functions useful for the 256-bit benchmark.<br />
Includes an on-line "REPL".<br>(<a href="https://roland.iwasno.net/links/?uDuclg">Permalink</a>)The Pi-Search Pagehttps://roland.iwasno.net/links/?zuLlbA2024-02-01T19:11:29+01:00Website to search for patterns in the first 2e8 decimal digits of π.<br>(<a href="https://roland.iwasno.net/links/?zuLlbA">Permalink</a>)Dipole Calculator | Antenna Length Calculatorhttps://roland.iwasno.net/links/?jZJyBQ2024-01-08T13:35:57+01:00Found via rtl-sdr.com, includes adjustment factor which depends on the diameter of the conductors.<br>(<a href="https://roland.iwasno.net/links/?jZJyBQ">Permalink</a>)Tinkercad | Create 3D digital designs with online CADhttps://roland.iwasno.net/links/?TpY8DQ2023-09-01T18:56:44+02:00Web-based 3D drawing program.<br>(<a href="https://roland.iwasno.net/links/?TpY8DQ">Permalink</a>)Online Mathematics Editor a fast way to write and share mathematicshttps://roland.iwasno.net/links/?4k8Ing2023-05-19T23:31:56+02:00Found via a comment on <a href="https://github.com/excalidraw/excalidraw" rel="nofollow">https://github.com/excalidraw/excalidraw</a><br>(<a href="https://roland.iwasno.net/links/?4k8Ing">Permalink</a>)Introducing the Smalltalk Zoo - CHMhttps://roland.iwasno.net/links/?ofcNug2023-04-20T12:11:37+02:00Mentioned in the Medley Interlisp 2023 video and on <a href="https://interlisp.org/about/partners/" rel="nofollow">https://interlisp.org/about/partners/</a><br>(<a href="https://roland.iwasno.net/links/?ofcNug">Permalink</a>)http://astria.tacc.utexas.edu/AstriaGraph/https://roland.iwasno.net/links/?kQtP7g2023-03-31T11:52:26+02:00Visualization of satellites, rocket bodies and space debris.<br>(<a href="https://roland.iwasno.net/links/?kQtP7g">Permalink</a>)Jovial RPN - Reverse Polish Notation Calculatorshttps://roland.iwasno.net/links/?dg2Rpw2023-03-24T14:24:41+01:00Simulators for the hp15c and hp16c calculators, can be used in the browser or as Android app(lication).<br>(<a href="https://roland.iwasno.net/links/?dg2Rpw">Permalink</a>)Datenzugang: Copernicus in Deutschlandhttps://roland.iwasno.net/links/?yCWTtA2023-02-13T14:34:53+01:00Datenportale der ESA, EUMETSAT, USGS und des DLR. Die hier aufgelisteten Datenportale beinhalten Satellitendaten und keine Prozessierungsumgebung.<br>(<a href="https://roland.iwasno.net/links/?yCWTtA">Permalink</a>)The Linux kernel user’s and administrator’s guidehttps://roland.iwasno.net/links/?TCQSXg2022-11-21T07:44:30+01:00I was looking for [dm-]verity, but this guide will be useful for other subjects.<br>(<a href="https://roland.iwasno.net/links/?TCQSXg">Permalink</a>)GitLab System Statushttps://roland.iwasno.net/links/?30mOMw2022-10-08T15:20:27+02:00(<a href="https://roland.iwasno.net/links/?30mOMw">Permalink</a>)SondeHub trackerhttps://roland.iwasno.net/links/?zGjoWA2022-09-10T23:48:17+02:00Map showing radio sondes carried on weather balloons.<br>(<a href="https://roland.iwasno.net/links/?zGjoWA">Permalink</a>)WebPlotDigitizer - Copyright 2010-2021 Ankit Rohatgihttps://roland.iwasno.net/links/?dGEBBw2022-09-07T11:54:56+02:00On-line tool to digitize plot images.<br>(<a href="https://roland.iwasno.net/links/?dGEBBw">Permalink</a>)Tenon.io: Tenon.io | Accessibility as a Service: ICT accessibility testing, training, and tooling. WCAG, 508, CVAA, ADA, VPAT serviceshttps://roland.iwasno.net/links/?qwihMQ2022-09-05T12:09:33+02:00Tool to check the accessibility of web pages. Found on <a href="https://karl-voit.at/2015/07/26/LaTeX-typography/" rel="nofollow">https://karl-voit.at/2015/07/26/LaTeX-typography/</a><br>(<a href="https://roland.iwasno.net/links/?qwihMQ">Permalink</a>)Codeberg is a collaboration platform and git hosting for free and open source software, content and projects.https://roland.iwasno.net/links/?uMxsPQ2022-06-18T19:18:26+02:00Found on <a href="https://jao.io/blog/2020-12-29-whats-not-to-like.html" rel="nofollow">https://jao.io/blog/2020-12-29-whats-not-to-like.html</a>. Unlike GitHub and GitLab, it is not run by a corporation.<br />
<a href="https://docs.codeberg.org/collaborating/citable-code/" rel="nofollow">https://docs.codeberg.org/collaborating/citable-code/</a> sounds interesting.<br>(<a href="https://roland.iwasno.net/links/?uMxsPQ">Permalink</a>)Snow - a place to share Scheme programs, libraries and datahttps://roland.iwasno.net/links/?dO0JaA2022-06-10T10:23:46+02:00Snow is a place to share Scheme programs, libraries and data. Currently we host only R7RS libraries, though we may expand to more dialects in the future.<br />
Found via a link on <a href="https://weinholt.se/articles/cond-expand-and-ifdef/" rel="nofollow">https://weinholt.se/articles/cond-expand-and-ifdef/</a><br />
I tried to run the trivial program<br />
(define ! (n) (if (< n 2) 1 (* n (! (1- n)))))<br />
(display (! 10))<br />
on <a href="http://chibi-scheme.appspot.com/" rel="nofollow">http://chibi-scheme.appspot.com/</a>, but got an error message about not being able to enlarge memory arrays.<br>(<a href="https://roland.iwasno.net/links/?dO0JaA">Permalink</a>)Free Whois Lookup - Whois IP Search & Whois Domain Lookup | Whois.comhttps://roland.iwasno.net/links/?-1oejQ2022-06-07T11:35:46+02:00(<a href="https://roland.iwasno.net/links/?-1oejQ">Permalink</a>)Trix: A rich text editor for everyday writinghttps://roland.iwasno.net/links/?Gj3trw2022-05-24T11:33:19+02:00Found on Jamie Zawinsky's blog <a href="https://www.jwz.org/blog/2022/04/wysiwyg-wordpress-comments/" rel="nofollow">https://www.jwz.org/blog/2022/04/wysiwyg-wordpress-comments/</a><br>(<a href="https://roland.iwasno.net/links/?Gj3trw">Permalink</a>)Iris - A ISLisp Implementationhttps://roland.iwasno.net/links/?GULwjA2022-04-22T15:42:24+02:00ISLisp in JS/Go: Standards-compliant Lisp smaller than Common-Lisp.<br />
Note that the on-line JavaScript version does not handle #x prefixes correctly.<br />
Integers are also limited to 31 bit:<br />
(expt 2 31) => -2147483648<br />
in contradiction to <a href="https://islisp-dev.github.io/ISLispHyperDraft/islisp-v23.html#integer_class" rel="nofollow">https://islisp-dev.github.io/ISLispHyperDraft/islisp-v23.html#integer_class</a><br>(<a href="https://roland.iwasno.net/links/?GULwjA">Permalink</a>)Wayfinder: an open-access and near real-time visualization of satellites and debris in Earth orbit.https://roland.iwasno.net/links/?YGqGSA2022-04-07T22:34:36+02:00Found via an ad, Omega is teaming with Privateer <a href="https://gothammag.com/omega-privateer-space-travel-junk-wayfinder" rel="nofollow">https://gothammag.com/omega-privateer-space-travel-junk-wayfinder</a><br>(<a href="https://roland.iwasno.net/links/?YGqGSA">Permalink</a>)SwissMicros - DM42 Programming toolhttps://roland.iwasno.net/links/?bS3X2Q2022-01-24T12:58:53+01:00Browser-based tool to convert between RPN programs to .raw files.<br />
This one is for the dm42, see <a href="https://technical.swissmicros.com/decoders/nut/" rel="nofollow">https://technical.swissmicros.com/decoders/nut/</a> for dm1{0,1,2,5,6}.<br />
Voyager user manual <a href="https://technical.swissmicros.com/voyager/doc/voyager_user_manual.html" rel="nofollow">https://technical.swissmicros.com/voyager/doc/voyager_user_manual.html</a><br />
Forum <a href="https://forum.swissmicros.com/" rel="nofollow">https://forum.swissmicros.com/</a><br>(<a href="https://roland.iwasno.net/links/?bS3X2Q">Permalink</a>)9fans on mail-archive.comhttps://roland.iwasno.net/links/?zM1faQ2022-01-14T09:56:24+01:00Another view of the Plan 9 mailing list 9fans. At first glance, it appears easier to read than the web interface <a href="https://marc.info/?l=9fans" rel="nofollow">https://marc.info/?l=9fans</a> which I used before.<br>(<a href="https://roland.iwasno.net/links/?zM1faQ">Permalink</a>)Comparison Coaxial Cable - Coaxial line | Koax24https://roland.iwasno.net/links/?oW1pqQ2021-10-13T11:57:13+02:00Compare properties of different coaxial cable types.<br>(<a href="https://roland.iwasno.net/links/?oW1pqQ">Permalink</a>)Date and timehttps://roland.iwasno.net/links/?DTJDPg2021-09-11T21:35:33+02:00See also <a href="https://time.is" rel="nofollow">https://time.is</a> which measures the error of your computer's clock.<br>(<a href="https://roland.iwasno.net/links/?DTJDPg">Permalink</a>)Find out what the exact time is right nowhttps://roland.iwasno.net/links/?xBXsFQ2021-06-24T15:19:44+02:00Check the accuracy of your computer's clock. Found via <a href="https://lists.dyne.org/lurker/message/20210621.225323.41fc8a46.en.html" rel="nofollow">https://lists.dyne.org/lurker/message/20210621.225323.41fc8a46.en.html</a>, where the following recipe to adjust the time on a unix system is presented:<br />
date --rfc-3339=ns && \<br />
date --rfc-3339=ns -s '+0.096 seconds' && \<br />
date --rfc-3339=ns<br />
where the string after -s shall be replaced by the report from time.is<br>(<a href="https://roland.iwasno.net/links/?xBXsFQ">Permalink</a>)Python to RPN - source code converterhttps://roland.iwasno.net/links/?VJTU_w2021-06-14T12:18:38+02:00Convert Python to HP RPN code.<br />
A new way to program HP calculators like the HP42S, DM42 and Free42.<br />
On Fri Feb 16 15:41:07 2018 I bookmarked <a href="https://pyrpn.herokuapp.com/" rel="nofollow">https://pyrpn.herokuapp.com/</a> but on 2022-02-10 it leads to a page stating "There's nothing here, yet."<br>(<a href="https://roland.iwasno.net/links/?VJTU_w">Permalink</a>)On-line tool to create and simulate digital circuitshttps://roland.iwasno.net/links/?9ldP9A2021-04-25T17:01:22+02:00From simple gates to complex sequential circuits, plot timing diagrams, automatic circuit generation, explore standard ICs, and much more<br>(<a href="https://roland.iwasno.net/links/?9ldP9A">Permalink</a>)Stromerzeugung live | Energie in Niederösterreichhttps://roland.iwasno.net/links/?GBNVjA2021-04-23T12:04:48+02:00Der Energieticker NÖ zeigt live die Energieerzeugung aus erneuerbaren Energien im Vergleich zum Stromverbrauch in Niederösterreich. Man sieht, zu welchen Zeiten NÖ mehr erneuerbaren Strom erzeugt, als im Land verbraucht wird.<br>(<a href="https://roland.iwasno.net/links/?GBNVjA">Permalink</a>)Sysctl Explorer is an initiative to facilitate the access of Linux' sysctl reference documentation.https://roland.iwasno.net/links/?DBb93g2021-03-19T17:37:15+01:00It is not complete yet, the author states "This is a work in progress and you may consider this increment as a Minimum viable product (MVP) version."<br />
Last update: 2018-12-09 18:93:01 UTC<br />
The official documentation can be found on <a href="https://www.kernel.org/doc/Documentation/sysctl/" rel="nofollow">https://www.kernel.org/doc/Documentation/sysctl/</a><br>(<a href="https://roland.iwasno.net/links/?DBb93g">Permalink</a>)Ideone is an online compiler and debugging tool which allows you to compile source code and execute it online in more than 60 programming languages.https://roland.iwasno.net/links/?rF9zyA2021-03-17T12:12:02+01:00(<a href="https://roland.iwasno.net/links/?rF9zyA">Permalink</a>)Rechtsinformationssystem des Bundeshttps://roland.iwasno.net/links/?ibSlZQ2021-01-12T17:26:52+01:00Das Rechtsinformationssystem des Bundes (RIS) dient ua der Kundmachung der im Bundesgesetzblatt (seit 2004) und in den Landesgesetzblättern der Länder (Kärnten, Steiermark, Tirol und Wien seit 2014 und Burgenland, Niederösterreich, Oberösterreich, Salzburg und Vorarlberg seit 2015) zu verlautbarenden Rechtsvorschriften sowie der Amtlichen Verlautbarungen der Sozialversicherung und der Amtlichen Veterinärnachrichten.<br />
<br />
Es dient weiters der Information über das Recht von Bund und Ländern und bietet einen Zugang zur Rechtsprechung, zu ausgewählten Rechtsnormen von Gemeinden, zu ausgewählten Erlässen von Bundesministerien sowie zu sonstigen Kundmachungen.<br />
<br />
Beim Rechtsinformationssystem handelt es sich um eine Dokumentation des österreichischen Rechts. Daher können keinerlei Rechtsauskünfte erteilt werden.<br />
<br />
Das RIS bietet einen barrierefreien Zugang (WAI-AA nach WCAG 2.0).<br>(<a href="https://roland.iwasno.net/links/?ibSlZQ">Permalink</a>)On-line drawing tool.https://roland.iwasno.net/links/?RPbrcA2020-11-20T22:28:52+01:00(<a href="https://roland.iwasno.net/links/?RPbrcA">Permalink</a>)Sun Locatorhttps://roland.iwasno.net/links/?hXu4Fw2020-08-22T13:50:44+02:00On-line calculator for the position of the sun. Appears to be written in Frink <a href="https://futureboy.us/frinkdocs/" rel="nofollow">https://futureboy.us/frinkdocs/</a>, a language which can evaluate expressions with units.<br>(<a href="https://roland.iwasno.net/links/?hXu4Fw">Permalink</a>)envs.net is a minimalist, non-commercial shared linux systemhttps://roland.iwasno.net/links/?I3uEDQ2020-07-30T23:54:26+02:00envs.net is a minimalist, non-commercial<br />
shared linux system and will always be free to use.<br />
<br />
we are linux lovers, sysadmins, programmer and users who like build<br />
webpages, write blogs, chat online, play cool console games and so much<br />
more. you wish to join with an small user space? send a email<br />
to hostmaster@envs.net or use the signup form.<br />
<br />
Found via tildeverse.org<br>(<a href="https://roland.iwasno.net/links/?I3uEDQ">Permalink</a>)Circuit Diagram - A Circuit Diagram Makerhttps://roland.iwasno.net/links/?2fj5cw2020-06-06T15:23:03+02:00A user-friendly program for making electronic circuit diagrams in the browser. Circuits can be exported as netlists, PNG and SVG images and in the native format of the editor.<br>(<a href="https://roland.iwasno.net/links/?2fj5cw">Permalink</a>)Electronics Demonstrationshttps://roland.iwasno.net/links/?7yJDlQ2020-06-06T15:19:28+02:00A number of circuit which can be simulated in the browser. I believe that it uses JavaScript, not Java.<br />
Many other physics-related simulations can be found on <a href="https://www.falstad.com/mathphysics.html" rel="nofollow">https://www.falstad.com/mathphysics.html</a><br>(<a href="https://roland.iwasno.net/links/?7yJDlQ">Permalink</a>)Filestash - a web client for org-modehttps://roland.iwasno.net/links/?Ahgqng2020-05-19T13:07:17+02:00Filestash (formerly nuage) is a web client for org-mode. It started as its author believe emacs and org-mode are the greatest thing since sliced bread. The project aims to fix the pain points org-mode's users may have:<br />
- emacs isn't great out of the desktop world, it needs a cross platform companion app<br />
- not everyone is willing to go through learning emacs which makes org-mode a hard to sell tool to manage team project.<br />
<br />
A positive review can be found on <a href="https://nixfaq.org/2020/06/filestash-a-drag-and-drop-gui-for-file-management-on-server.html" rel="nofollow">https://nixfaq.org/2020/06/filestash-a-drag-and-drop-gui-for-file-management-on-server.html</a><br />
<br />
See <a href="https://www.filestash.app/2021/09/06/android-backup/" rel="nofollow">https://www.filestash.app/2021/09/06/android-backup/</a> for a neat way to backup photos from an Android phone.<br>(<a href="https://roland.iwasno.net/links/?Ahgqng">Permalink</a>)RF Tools | Phase Noise to Jitter Calculatorhttps://roland.iwasno.net/links/?mVKMrw2020-05-15T17:35:00+02:00See also the LC filter design tool at <a href="https://rf-tools.com/lc-filter/" rel="nofollow">https://rf-tools.com/lc-filter/</a><br>(<a href="https://roland.iwasno.net/links/?mVKMrw">Permalink</a>)Unicode Lookup: convert special charactershttps://roland.iwasno.net/links/?m46Ffw2020-05-08T10:58:18+02:00Unicode Lookup is an online reference tool to lookup Unicode and HTML special characters, by name and number, and convert between their decimal, hexadecimal, and octal bases.<br>(<a href="https://roland.iwasno.net/links/?m46Ffw">Permalink</a>)tildes are pubnixes in the spirit of tilde.club, which was created in 2014 by paul ford.https://roland.iwasno.net/links/?X7z0SA2020-02-06T12:21:15+01:00we're a loose association of like-minded tilde communities. if you're interested in learning about *nix (linux, unix, bsd, etc) come check out our member tildes and sign up!<br />
member status in the tildeverse mainly involves some level of engagement or presence on irc; all other systems are independent.<br>(<a href="https://roland.iwasno.net/links/?X7z0SA">Permalink</a>)Cloudmacs and getting to know Docker | Mildly entertainingᵝhttps://roland.iwasno.net/links/?KNHIoA2019-11-27T16:42:03+01:00Running emacs on a remote machine via a web interface.<br>(<a href="https://roland.iwasno.net/links/?KNHIoA">Permalink</a>)GriCal - Grid Calendarhttps://roland.iwasno.net/links/?ud_idw2019-08-22T14:00:36+02:00GriCal (which is a short form for Grid Calendar) is an open web where people store quickly a few information about interesting events, so that others can also easily know about them. GriCal also makes easy and fast to get notified and store interesting events in its own external calendars.<br>(<a href="https://roland.iwasno.net/links/?ud_idw">Permalink</a>)IEC 60050 - International Electrotechnical Vocabulary - Welcomehttps://roland.iwasno.net/links/?I-YlEg2019-05-15T19:41:39+02:00The World's Online Electrotechnical Vocabulary<br>(<a href="https://roland.iwasno.net/links/?I-YlEg">Permalink</a>)on-line drawing program - draw.iohttps://roland.iwasno.net/links/?2N1UbQ2019-04-09T14:49:15+02:00Draw diagrams in the browser. Mentioned on MoHP.<br>(<a href="https://roland.iwasno.net/links/?2N1UbQ">Permalink</a>)Font Playgroundhttps://roland.iwasno.net/links/?lLMq3w2018-11-07T11:59:27+01:00See Hack (and other monospaced fonts) live in action!<br />
Install your fonts locally and they will show up in the dropdown selections.<br />
Use the dropdown options to modify the typeface, text size, language, and highlighter scheme.<br>(<a href="https://roland.iwasno.net/links/?lLMq3w">Permalink</a>)A new way of blogging about Common Lisphttps://roland.iwasno.net/links/?oioSDQ2018-05-08T14:10:11+02:00Klipse <a href="https://github.com/viebel/klipse" rel="nofollow">https://github.com/viebel/klipse</a><br />
allows to interactively edit and run programs written in<br />
Common Lisp, javascript, clojure[script], python, brainfuck, scheme<br />
in a Javascript-enabled web browser.<br />
Ironically, it does not seem to work with Firefox 52.6.0 (64-bit)/Windows 7.<br>(<a href="https://roland.iwasno.net/links/?oioSDQ">Permalink</a>)Man Pages | ManKierhttps://roland.iwasno.net/links/?2rl4WA2018-03-28T17:12:59+02:00Linux man pages<br>(<a href="https://roland.iwasno.net/links/?2rl4WA">Permalink</a>)Try it out on-linehttps://roland.iwasno.net/links/?RBtu1A2017-07-23T19:04:02+02:00Interpreters/compilers for more than 100 programming languages which can be used on-line.<br>(<a href="https://roland.iwasno.net/links/?RBtu1A">Permalink</a>)