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Current differencing transconductance amplifier - Wikipedia
Instead ofWed May 22 15:42:40 2019 - permalink -
"The CDTA is not free from parasitic input capacitances and it can operate in a wide frequency range due to current-mode operation."
something like "the CDTA is less sensitive to parasitic input capacitances..."
is more appropriate.- https://en.wikipedia.org/wiki/Current_differencing_transconductance_amplifier
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IEC 60050 - International Electrotechnical Vocabulary - Welcome
The World's Online Electrotechnical VocabularyWed May 15 19:41:39 2019 - permalink -- http://www.electropedia.org/
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TECO macro which calculates Pi
Probably using the Spigot Algorithm from Stanley Rabinowitz.Fri May 10 14:54:50 2019 - permalink -- http://www.iwriteiam.nl/HaPi_TECO_macro.html
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About – HelenOS
HelenOS is a portable microkernel-based multiserver operating system designed and implemented from scratch. It decomposes key operating system functionality such as file systems, networking, device drivers and graphical user interface into a collection of fine-grained user space components that interact with each other via message passing. A failure or crash of one component does not directly harm others. HelenOS is therefore flexible, modular, extensible, fault tolerant and easy to understand.Fri May 3 15:15:31 2019 - permalink -- http://www.helenos.org/wiki/About
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UNIX
Guides how to install or run older UNIX versions in simh.Fri Apr 26 14:12:50 2019 - permalink -
Also the UNIX Programmer's manual of V1-V6. V1-V6 are available as nroff output converted to html. V4-V6 are also available as troff'ed PDFs.
The site also has information about Plan 9 and pdp-6/pdp-10.- http://squoze.net/UNIX/
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on-line drawing program - draw.io
Draw diagrams in the browser. Mentioned on MoHP.Tue Apr 9 14:49:15 2019 - permalink -- https://www.draw.io/
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Choosing A Monospace Font: 2019-March | Wisdom and Wonder
See also https://www.wisdomandwonder.com/emacs/11659/blogging-with-emacs%f0%9f%90%83-from-org2blog%f0%9f%a6%84-to-wordpressMon Apr 8 14:36:47 2019 - permalink -
for a description of org2blog.- https://www.wisdomandwonder.com/text/12298/choosing-a-monospace-font-2019-march
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Elektronik und Mikrocontroller
Interesting collection of electronics experiments, kits, ideas (german).Fri Mar 15 17:33:45 2019 - permalink -- http://www.b-kainka.de/index.htm
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GNSS-SDR
An open source Global Navigation Satellite Systems software-defined receiver.Thu Mar 14 17:59:13 2019 - permalink -
Based on GNU radio.- https://gnss-sdr.org/
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http://leptonica.com/particle-primer.html
An Elementary Primer on Elementary Particles and their InteractionsTue Mar 12 18:46:36 2019 - permalink -- http://leptonica.com/particle-primer.html
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&what search "french" Unicode characters & entities
Search for various input methods (HTML entities, URL encoding, etc.) for unicode characters.Tue Mar 12 07:38:55 2019 - permalink -- http://www.amp-what.com/unicode/search/french
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NDP Software :: Git Cheatsheet
Mon Mar 11 23:34:33 2019 - permalink -- http://ndpsoftware.com/git-cheatsheet.html#loc=workspace;
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its-hackers Info Page
Mailing list for fans of the incompatible timesharing system (ITS).Tue Mar 5 19:40:29 2019 - permalink -- http://its.victor.se/mailman/listinfo/its-hackers_its.victor.se
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sequoia-pgp / sequoia · GitLab
Sequoia is a cool new OpenPGP implementation. It consists of severalWed Feb 27 15:01:02 2019 - permalink -
crates, providing both a low-level and a high-level API for dealing
with OpenPGP data.
It is written in Rust- https://gitlab.com/sequoia-pgp/sequoia
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Skyfield
Skyfield computes positions for the stars, planets, and satellites in orbit around the Earth. Its results should agree with the positions generated by the United States Naval Observatory and their Astronomical Almanac to within 0.0005 arcseconds (which equals half a “mas” or milliarcsecond).Wed Feb 27 11:48:23 2019 - permalink -
Written in pure Python and installs without any compilation.
Supports Python 2.6–2.7 and Python 3.3–3.5.
Has NumPy as its only binary dependency, the fundamental package for scientific computing with Python, whose vector operations make Skyfield efficient.- https://rhodesmill.org/skyfield/
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clockphoto - Adjusts photographs based on a clock photo.
This will open a window asking you to enter the correct date and time of the clock photo. It then calculates the difference between what you entered and the EXIF timestamp of the photo, and adjusts all photos in the directory of photos by that difference.Mon Feb 25 17:06:17 2019 - permalink -- https://git.zx2c4.com/clockphoto/about/
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jj's useful and ugly FFT page
Collection of FFT and related algorithm implementation in various programming languages.Mon Feb 25 12:32:33 2019 - permalink -- https://www.jjj.de/fft/fftpage.html#introrem
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What to expect when Beresheet launches to (and lands on) the Moon | The Planetary Society
Includes a mission schedule.Sat Feb 23 01:31:25 2019 - permalink -- http://www.planetary.org/blogs/jason-davis/beresheet-what-to-expect.html
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Easy-ISLisp(EISL) is an interpreter and compiler compatible with ISLisp standard.
EISL was written by Kenichi SasagawaTue Feb 19 17:03:06 2019 - permalink -
https://qiita.com/sym_num/items/793adfe118514668e5b0
The license appears to be similar to BSD/MIT to my non-laywer eyes: https://github.com/sasagawa888/eisl/blob/master/license.txt
It provides an interface to WiringPi, allowing control of the GPIO pins on a Raspberry π.- https://github.com/sasagawa888/eisl
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AONT-Tolstoy: 1-click encode / decode of confidential information — no keys needed
AONT = All Or Nothing Transforms = a secure way to transmit a document to a recipient in such a way that the recipient either gets the entire unmolested document in originally submitted form, or nothing at all. This idea goes back to Ronald Rivest of MIT. Very clever idea. It is crypto without being crypto in a legal sense.Fri Feb 8 14:46:46 2019 - permalink -
See also https://github.com/dbmcclain/Math, https://github.com/dbmcclain/LispPlotter, https://github.com/dbmcclain/EBU-R128 and probably more.- https://github.com/dbmcclain/AONT-Tolstoy