jamessb

29 ms·

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by jamessb 9y ago
I use nvALT. >nvALT 2 is a fork of the original Notational Velocity with some additional features and interface modifications, including MultiMarkdown functionality. http://brettterpstra.com/projects/nvalt/
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by jamessb 9y ago
Constant growth rate gives rise to a quantity that is an exponential function of time [not to be confused with a constant rate of increase , which gives rise to a linear function of time]. As that Wikipedia article says, the continuous-t
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by jamessb 9y ago
Yes, except that there is also a threshold applied (sigma).
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by jamessb 9y ago
The National Library of Scotland has a good collection of digitised maps (mostly for the UK, but also less-detailed maps of Europe and the world) [1]. If you click "Explore georeferenced maps" you can superimpose the historical ma
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by jamessb 9y ago
Do you realise that this is essentialy Mike Bostock's reference implementation of a Collapsible Tree [1]? Why re-distribute it as a separate repository? Rebeca Ricks added tooltips, but you haven't generalised these: the code in y
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by jamessb 9y ago
Previously on HN, someone posted the The Corpus Christi Prime blog post [1], which was inspired by the Numerphile Trinity Hall Prime video [2]. See also Zachary Abel's Prime Portraits article [3]. [1]: https://news.ycombinat
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by jamessb 9y ago
As well as the browsers that use the docsets from Dash (e.g. Zeal [1] for Windows/Linux), there's DevDocs [2], a web-application that works offline and uses its own scraper. [1]: https://zealdocs.org/ [3]: https:
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by jamessb 9y ago
Indeed - something like this [1]. There's scope for further improvements, but this alone would be a vast improvement. Given the cost of a mis-click, I'd also implement a Github-style confirmation box that can't just be subcon
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by jamessb 9y ago
All of the markers are merged into tiles and cached, and it is more efficent for the browser to just load these than it would be to create a separate circle or image for each marker. At zoom level 15 and higher actual individual markers a
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by jamessb 9y ago
I was going to suggest changing the opacity attribute of the marker elements using your browser's developer tools, but the markers are provided as a layer of pre-generated image tiles (e.g. [1]), so while you can make these images more
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by jamessb 9y ago
The Wayback Machine suggests it was 13th September 2017: [1] (from 17:50:53 GMT) has graphs, but [2] (from 20:06:33 GMT) is a 302 redirect to the messages page. [1]: https://web.archive.org/web/20170913175053/https
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by jamessb 9y ago
It would be better for the link to point at the project homepage [1], as this also includes an explanatory video (the current submission is the PDF of the paper). [1]: https://roxanneluo.github.io/PeppersCone.html
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by jamessb 9y ago
The author of this (Dennis Yurichev) has also written a 200 page "Quick introduction into SAT/SMT solvers and symbolic execution" that is full of examples of how SAT/SMT solvers can be used. [1]: https://yuric
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by jamessb 9y ago
Given a dice with an unknown bias, you can generate a stream of unbiased random bits [1]. The method is an extension of von Neumann's trick for un-biasing a biased coin in which you flip it multiple times and take advantage of symmetry
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by jamessb 9y ago
Bret Victor wrote an essay in 2015, "What can a technologist do about climate change?" - http://worrydream.com/ClimateChange/
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by jamessb 9y ago
You might also find the Matrix Cookbook [0] to be a useful reference. [0]: https://www.math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf
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by jamessb 9y ago
The confusion is that the article refers to two different courses: "18.30, differential equation, the largest mathematics course at MIT, with more than 300 students" [ths might be the course that is now 18.03] "18.313, a cour
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by jamessb 9y ago
There are certianly many technical people who are very appreciative of the arts. Carl Djerassi was a novelist and playwright as well as a very distinguished chemist [1], Stuart Firestein was a theatre director before beginning his career in
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by jamessb 9y ago
> That had to be 10 years ago It probably was: Quinn Norton's Wired article about getting this inplant was in 20017 [1]. [1]: https://www.wired.com/2006/06/a-sixth-sense-for-a-wired-worl...
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by jamessb 9y ago
There's the Endangered Language Fund [0] and Foundation for Endangered Languages [1]. [0]: http://www.endangeredlanguagefund.org/ [1]: http://www.ogmios.org/index.php
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by jamessb 9y ago
I think that you are attempting to address several distinct problems that would be better addressed separately. For example, catalog of shared facilities/equipment across groups is a useful thing to have, but it can be centralised with
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by jamessb 9y ago
> Let's say an undergraduate/graduate/researcher who wants to find all research groups/professors working in a certain field has to scour the web to find a handful of labs that are interesting to him. With Labit s&#x2
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by jamessb 9y ago
There seems to be a social media type feed with posts/new publications that you can like or comment on [1]. But I'm not sure what value this really adds, as people who want to use social media to engage with other scientists alrea
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by jamessb 9y ago
Many (most?) conferences have both posters and talks. Posters have a few advantages: - they parallelise well: you can fit a lot of posters in a room, and have a person standing beside each one talking concurrently - it's easy to quickl
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by jamessb 9y ago
Ernest Rutherford: "If your experiment needs statistics, you ought to have done a better experiment." (Gaither's Dictionary of Scientific Quotations gives the attribution "In N.T. Bailey The Mathematical Approach to Biol
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by jamessb 9y ago
Most students never see this fee, because they receive funding that pays it directly as well as paying them a stipend. There are various funders - the largest is the government (via Research Councils UK), but universities also provide a lim
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by jamessb 9y ago
The original use of a squarified treemap to represent financial markets was Martin Wattenberg's Map of the Market for SmartMoney in 1998: http://www.bewitched.com/marketmap.html
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by jamessb 9y ago
What layout algorithm are you using for graphviz? sfdp is less computationally intensive than dot/neato/circo, and I would have thought it would be able to cope (assuming you have enough RAM/swap) - this gallery [1] uses gra
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by jamessb 9y ago
There are many interactive isochrone maps with sliders - one such example is [1]. Other isochrone maps listed here [2] may also have time sliders. [1]: http://property.mapumental.com [2]: https://wiki.openstreetmap.or
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by jamessb 9y ago
There are several predecessors with the same idea of using a font that represents numbers as a graph: FF Chartwell [1], Chartjunk [2], Datalegreya [3]. [1]: https://typographica.org/typeface-reviews/chartwell/ [2]

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