1,066 Matching Annotations
  1. Aug 2021
  2. Jul 2021
    1. The threat of entry in an industry depends on the height of entry barriers that are present and on the reaction en-trants can expect from incumbents. If entry barriers are low and newcomers expect little retaliation from the entrenched competitors, the threat of entry is high and industry profi t-ability is moderated.

      The threat of entry depends on the barriers (i.e. moat) that are present and the reaction entrants can expect from incumbents. If both are low, the threat of new entrants is high.

    2. Particularly when new entrants are diversifying from other markets, they can leverage exist-ing capabilities and cash fl ows to shake up competition, as Pepsi did when it entered the bottled water industry, Micro-soft did when it began to offer internet browsers, and Apple did when it entered the music distribution business.

      When new entrants enter a market, they can often leverage existing cash flows and capabilities e.g. Apple when it entered the music distribution business.

    1. New Atlantis was the title Francis Bacon selected for his speculative story of a society living with the benefits and challenges of advanced science and technology. Bacon, a founder and champion of modern science, sought not only to highlight the potential of technology to improve human life, but also to foresee some of the social, moral, and political difficulties that confront a society shaped by the great scientific enterprise.
  3. Jun 2021
    1. They are artifacts of a very particular circumstance, and it’s unlikely that in an alternate timeline they would have been designed the same way.

      I've mentioned before that the era we're currently living in is incredibly different from the era of just 10–15 years ago. I've called the era of yesterdecade (where the author of this piece appeared on Colbert a ~week or so after Firefox 3 was released and implored the audience to go download it and start using it) the "Shirky era", since Shirky's Here Comes Everybody really captures the spirit of the times.

      The current era of Twitter-and-GitHub has a distinct feel. At least, I can certainly feel it, as someone who's opted to remain an outsider to the T and G spheres. There's some evidence that those who haven't aren't really able to see the distinction, being too close to the problem. Young people, of course, who don't really have any memories of the era to draw upon, probably aren't able to perceive the distinction as a rule.

      I've also been listening to a lot of "old" podcasts—those of the Shirky era. If ever there were a question of whether the perceived distinction is real or imagined these podcasts—particularly shows Jon Udell was involved with, which I have been enjoying immensely—eliminate any doubts about its existence. There's an identifiable feel when I go back and listen to these shows or watch technical talks from the same time period. We're definitely experiencing a lowpoint in technical visions. As I alluded to earlier, I think this has to do with a technofetishistic focus on certain development practices and software stacks that are popular right now—"the way" that you do things. Wikis have largely fallen by the wayside, bugtrackers are disused, and people are pursuing busywork on GitHub and self-promoting on social media to the detriment of the things envisioned in the Shirky era.

    1. "Many North American music education programs exclude in vast numbers students who do not embody Euroamerican ideals. One way to begin making music education programs more socially just is to make them more inclusive. For that to happen, we need to develop programs that actively take the standpoint of the least advantaged, and work toward a common good that seeks to undermine hierarchies of advantage and disadvantage. And that, inturn, requires the ability to discuss race directly and meaningfully. Such discussions afford valuable opportunities to confront and evaluate the practical consequences of our actions as music educators. It is only through such conversations, Connell argues, that we come to understand “the real relationships and processes that generate advantage and disadvantage”(p. 125). Unfortunately, these are also conversations many white educators find uncomfortable and prefer to avoid."

    1. i feel like if i if i use the word new somewhere i want to go through and like no no no no

      i feel like if i if i use the word new somewhere i want to go through and like no no no no new to who and put the question mark there just to remember that there are those um models that come before us right and there are those traditions that come before us that are even in some ways operating when we don't even you know notice or recognize them

      Asking the question "new to who?" can be important whenever using the word new can be very revealing. We need to recall and respect that everyone comes from a different context.

    1. We should think about the number of simultaneous connections (peak and average) and the message rate/payload size. I think, the threshold to start thinking about AnyCable (instead of just Action Cable) is somewhere between 500 and 1000 connections on average or 5k-10k during peak hours.
      • number of simultaneous connections (peak and average)

      • the message rate/payload size.

    1. One of the consequences (although arguably not the primary motivation) of DRY is that you tend to end up with chunks of complex code expressed once, with simpler code referencing it throughout the codebase. I can't speak for anyone else, but I consider it a win if I can reduce repetition and tuck it away in some framework or initialisation code. Having a single accessor definition for a commonly used accessor makes me happy - and the new Object class code can be tested to hell and back. The upshot is more beautiful, readable code.

      new tag?:

      • extract reusable functions to reduce duplication / allow elegant patterns elsewhere
    1. Critical to the acceptance of the position of the script subtag was the inclusion of information in the registry to make clear the need to avoid script subtags except where they add useful distinguishing information. Thus, the registry entry for the language subtag "en" (English) has a field called "Suppress-Script" indicating that the script subtag "Latn" should be avoided with that language, since virtually all English documents use the Latin script.
      • not worth saying
      • not necessary to say/write
      • useless information

      Suppress-Script

    1. Users who have installed it decided to trust me, and I'm not comfortable transferring that trust to someone else on their behalf. However, if you'd like to fork it, feel free.

      Interesting decision... Seems like the project could have been handed off to new maintainers instead of just a dead-end abandoned project and little chance of anyone using it for new projects now.

      Sure you can fork it, but without a clear indication of which of the many forks in the network graph to trust, I doubt few will take the (massively) extra time to evaluate all options and choose an existing fork as a "leader" (or create their own fork) to go with continuing maintenance...

  4. May 2021
    1. he new aristocracy was made up for the most part of bureaucrats, scientists, technicians, trade-union organizers, publicity experts, sociologists, teachers, journalists, and professional politicians. These people, whose origins lay in the salaried middle class and the upper grades of the working class, had been shaped and brought together by the barren world of monopoly industry and centralized government. As compared with their opposite numbers in past ages, they were less avaricious, less tempted by luxury, hungrier for pure power, and, above all, more conscious of what they were doing and more intent on crushing opposition. This last difference was cardinal. By comparison with that existing today, all the tyrannies of the past were half-hearted and inefficient. The ruling groups were always infected to some extent by liberal ideas, and were content to leave loose ends everywhere, to regard only the overt act and to be uninterested in what their subjects were thinking. Even the Catholic Church of the Middle Ages was tolerant by modern standards. Part of the reason for this was that in the past no government had the power to keep its citizens under constant surveillance. The invention of print, however, made it easier to manipulate public opinion, and the film and the radio carried the process further. With the development of television, and the technical advance which made it possible to receive and transmit simultaneously on the same instrument, private life came to an end. Every citizen, or at least every citizen important enough to be worth watching, could be kept for twenty-four hours a day under the eyes of the police and in the sound of official propaganda, with all other channels of communication closed. The possibility of enforcing not only complete obedience to the will of the State, but complete uniformity of opinion on all subjects, now existed for the first time.

      new society, new aristocracy, total power, television, technology

    1. My name is Floyd Lu, I have been designing and publishing games since 2015 under B&B Games studio. In 2020 B&B Games studio dissolved. I took over a part of the business including this account. I am unable to change the name and URL of my Kickstarter account. I delivered and personally worked on each project that I did and I can't transfer all the followers, therefore, I am still launching new projects under this account.
    1. when HTML5 started, the feedback from the HTML5 guys was pretty clear: HTML5 is there to improve web apps (standards-based flash! yay!), and not to improve HTML as a hypermedia format. http://dret.typepad.com/dretblog/2008/05/xhtml-fragment.html was a very early attempt to raise the issue and was shot down promptly. with HTML5 now branching into so many micro-specs (https://github.com/dret/HTML5-overview), maybe there’s a good chance to simply create a “FragIDs in HTML5” spec and see if there’s any community uptake. it would be great to see this getting started, and maybe IETF with its more open process would be a better place than W3C.
    2. The simple problem that I see with fragment identifiers is that their existence and functionality relies completely on the developer rather than the browser. Yes, the browser needs to read and interpret the identifier and identify the matching fragment. But if the developer doesn’t include any id attributes in the HTML of the page, then there will be no identifiable fragments. Do you see why this is a problem? Whether the developer has coded identifiers into the HTML has nothing to do with whether or not the page actually has fragments. Virtually every web page has fragments. In fact, sectioning content as defined in the HTML5 spec implies as much. Every element on the page that can contain content can theoretically be categorized as a “fragment”.

      at the mercy of author

    1. Approaching email development this way transitions more of the quality assurance (QA) process to the browser instead of the email client. It gives email designers more power, control, and confidence in developing an email that will render gracefully across all email clients.

      can mostly test with browser and have less need (but still not no need) to test with email client

  5. Apr 2021
    1. There's nothing to stop you from doing initializer code in a file that lives in app/models. for example class MyClass def self.run_me_when_the_class_is_loaded end end MyClass.run_me_when_the_class_is_loaded MyClass.run_me... will run when the class is loaded .... which is what we want, right? Not sure if its the Rails way.... but its extremely straightforward, and does not depend on the shifting winds of Rails.

      does not depend on the shifting winds of Rails.

    1. What you want is not to detect if stdin is a pipe, but if stdin/stdout is a terminal.

      The OP wasn't wrong in exactly the way this comment implies: he didn't just ask how to detect whether stdin is a pipe. The OP actaully asked how to detect whether it is a terminal or a pipe. The only mistake he made, then, was in assuming those were the only two possible alternatives, when in fact there is (apparently) a 3rd one: that stdin is redirected from a file (not sure why the OS would need to treat that any differently from a pipe/stream but apparently it does).

      This omission is answered/corrected more clearly here:

      stdin can be a pipe or redirected from a file. Better to check if it is interactive than to check if it is not.

    1. By the way, the README file of the expect says there is a libexpect library that can be used to write programs on C/C++ which allows to avoid the use of TCL itself. But I'm afraid, this subject is beyond this article. Besides authors of expect themselves seem to prefer expect-scripts to the library.

      possible but doesn't seem preferred

      looking at what the authors themselves use

    2. But in all this incongruous abundance you'll certanly find the links to expect It's just what is wanted: the tool, which is traditionally used to communicate automatically with interactive programs. And as it always occurs, there is unfortunately a little fault in it: expect needs the programming language TCL to be present. Nevertheless if it doesn't discourage you to install and learn one more, though very powerful language, then you can stop your search, because expect and TCL with or without TK have everything and even more for you to write scripts.
    1. TTY is right there in the name, but this article makes no attempt to clarify what exactly the relationship between a pseudoterminal and a TTY. I feel like a whole paragraph about the relation to TTY would be warranted, including a link to TTY article, of course, which does link [back] to and explain some of the relation to pseudoterminal:

      In many computing contexts, "TTY" has become the name for any text terminal, such as an external console device, a user dialing into the system on a modem on a serial port device, a printing or graphical computer terminal on a computer's serial port or the RS-232 port on a USB-to-RS-232 converter attached to a computer's USB port, or even a terminal emulator application in the window system using a pseudoterminal device.

    1. Although echo "$@" prints the arguments with spaces in between, that's due to echo: it prints its arguments with spaces as separators.

      due to echo adding the spaces, not due to the spaces already being present

      Tag: not so much:

      whose responsibility is it? but more: what handles this / where does it come from? (how exactly should I word it?)

    1. There is a tendency in short luck-heavy games to require you to play multiple rounds in one sitting, to balance the scores. This is one such game. This multiple-rounds "mechanic" feels like an artificial fix for the problem of luck. Saboteur 1 and 2 advise the same thing because the different roles in the game are not balanced. ("Oh, well. I had the bad luck to draw the Profiteer character this time. Maybe I'll I'll draw a more useful character in round 2.") This doesn't change the fact that you are really playing a series of short unbalanced games. Scores will probably even out... statistically speaking. The Lost Cities card game tries to deal with the luck-problem in the same way.

      possibly rename: games: luck: managing/mitigating the luck to games: luck: dealing with/mitigating the luck problem

    1. The diagram shows the client libraries communicate with the Server passing each Selenium command for execution. Then the server passes the Selenium command to the browser using Selenium-Core JavaScript commands. The browser, using its JavaScript interpreter, executes the Selenium command. This runs the Selenese action or verification you specified in your test script.

      This is my annotation.

    1. Now VS Code's generic debugger UI supports all data breakpoint access types defined in the Debug Adapter Protocol as context menu actions in the VARIABLES view: Break on Value Read: breakpoint will be hit every time a variable gets read. Break on Value Change: breakpoint will be hit every time a variable gets changed (this action was previously available). Break on Value Access: breakpoint will be hit every time a variable is read or changed.
  6. Mar 2021
    1. Svelte is different in that by default most of your code is only going to run once; a console.log('foo') line in a component will only run when that component is first rendered.
    1. As to opinions about the shortcomings of the language itself, or the standard run-times, it’s important to realize that every developer has a different background, different experience, different needs, temperament, values, and a slew of other cultural motivations and concerns — individual opinions will always be largely personal and, to some degree, non-technical in nature.
    1. I don't understand why this isn't being considered a bigger deal by maintainrs/the community. Don't most Rails developers use SCSS? It's included by default in a new Rails app. Along with sprockets 4. I am mystified how anyone is managing to debug CSS in Rails at all these days, that this issue is being ignored makes sprockets seem like abandonware to me, or makes me wonder if nobody else is using sprockets 4, or what!
    1. we used `backticks` to jump into native Javascript to use moment.js

      In regular Ruby, `` executes in a shell, but obviously there is no shell of that sort in JS, so it makes sense that they could (and should) repurpose that syntax for something that makes sense in context of JS -- like running native JavaScript -- prefect!

  7. Feb 2021
    1. Channel 4 News. (2021, January 17). “It’s working in mainland China with 1.4 billion people. It doesn’t depend on being an island.” A pandemic adviser to the New Zealand government says achieving zero cases isn’t about the size of a country, but about “strong leadership”. Https://t.co/SSpc8DjZXi [Tweet]. @Channel4News. https://twitter.com/Channel4News/status/1350834342709358593

    1. Though rarer in computer science, one can use category theory directly, which defines a monad as a functor with two additional natural transformations. So to begin, a structure requires a higher-order function (or "functional") named map to qualify as a functor:

      rare in computer science using category theory directly in computer science What other areas of math can be used / are rare to use directly in computer science?

    1. note that TRB source code modifications are not proprietary

      In other words, you can build on this software in your proprietary software but can't change the Trailblazer source unless you're willing to contribute it back.

      loophole: I wonder if this will actually just push people to move their code -- which at the core is/would be a direction modification to the source code - out to a separate module. That's so easy to do with Ruby, so this restriction hardly seems like it would have any effect on encouraging contributions.

    1. The reason Reform does updating attributes and validation in the same step is because I wanna reduce public methods. This is to save users from having to remember state.

      I see what he means, but what would you call this (tag)? "have to remember state"? maybe "have to remember" is close enough

      Or maybe order is important / do things in the right order is all we need to describe the problem/need.

    1. Hodcroft, E. B., Domman, D. B., Oguntuyo, K., Snyder, D. J., Diest, M. V., Densmore, K. H., Schwalm, K. C., Femling, J., Carroll, J. L., Scott, R. S., Whyte, M. M., Edwards, M. D., Hull, N. C., Kevil, C. G., Vanchiere, J. A., Lee, B., Dinwiddie, D. L., Cooper, V. S., & Kamil, J. P. (2021). Emergence in late 2020 of multiple lineages of SARS-CoV-2 Spike protein variants affecting amino acid position 677. MedRxiv, 2021.02.12.21251658. https://doi.org/10.1101/2021.02.12.21251658

  8. Jan 2021
    1. Validity is a unitary concept. It is the degree to which all the accumulated evidence supports the intended interpretation of test scores for the proposed use. Like the 1999 Standards, this edition refers to types of validity evidence, rather than distinct types of validity. To empha-size this distinction, the treatment that follows does not follow historical nomenclature (i.e., the use of the terms content validity or predictive validity). (

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    1. Please don't thank me! ;-) If this answer did help, just click the little grey ☑ at the left of this text right now turning it into beautiful green. If you do not like the answer, click on the little grey down-arrow below the number, and if you really like the answer, click on the little grey ☑ and the little up-arrow... If you have any further questions, just ask another one! ;-)

      How would you even describe this comment?

      "just doing my job"? but he is (I assume) answering to be nice not because it's his job

      "I won't take it personally"? vote my answer up or down, whichever you please

      impartial, dispassionate, and objective, perhaps? "just the facts, ma'am"


      Separately, what is the "Please don't thank me!" for? Is it that politeness? False modesty? Genuine modesty? Or is it rude? Why not allow someone to thank you??

    1. a report identifying the climate strategies and technologies that will result in the most air and water quality improvements

      One would expect such a report to say much about reducing emissions from electricity generation, however, in many states, particularly those in the Northeast and North, electricity generation and use only produces a small portion of GHG emissions. In New York State, electricity generation is responsible for less than 20% of emissions while heating and transportation each produce between 35% and 40% of emissions. Thus, in New York, emissions from electricity are a third-level priority. In New York, a focus on adoption of heat pumps and electric vehicles will contribute more to cleaning our air and water than a focus on electricity.

      It is important that this report identify strategies and technologies which are appropriate for the various regions of the country.

    1. The country’s largest concert promoter, Live Nation, which furloughed 20 percent of its staff as part of a $600 million cost-cutting effort, has been aggregating artists’ free livestreams on its website, and planning for more highly produced fan-less concerts that could generate revenue through advertising or ticket sales.

      More alternatives made for fans to enjoy music while artist and company make lost money

    1. Choose your topicThe best topic to write about is the one you can’t not write about. It’s the idea bouncing around your head that compels you to get to the bottom of it.You can trigger that state of mind with a two-part trick. Part one is choosing an objective for your article:Open people’s eyes by proving the status quo wrong.Articulate something everyone’s thinking about but no one is saying. Cut through the noise.Identify key trends on a topic. Use them to predict the future.Contribute original insights through research and experimentation.Distill an overwhelming topic into something approachable. (This guide.)Share a solution to a tough problem.Tell a suspenseful and emotional story that imparts a lesson.Part two is pairing your objective with a motivation:Does writing this article get something off your chest?Does it help reason through a nagging, unsolved problem you have?Does it persuade others to do something you believe is important?Do you obsess over the topic and want others to geek out over it too?

      This is great to go along with .Josh Spector how to outline a blog post

    1. This variant presents 14 non-synonymous mutations, 6 synonymous mutations and 3 deletions. The multiple mutations present in the viral RNA encoding for the spike protein (S) are of most concern, such as the deletion Δ69-70, deletion Δ144, N501Y, A570D, D614G, P681H, T716I, S982A, D1118H
  9. Dec 2020
    1. Pinduoduo
      • largest <span style="background-color: lightblue">interactive e-commerce platform</span> in China and in the world
      • second-largest online marketplace in China by number of users and number of orders

      enables groups (often formed via WeChat) to haggle with merchants for bulk purchases, specially groceries.

    1. Some devs prefer Svelte’s minimal approach that defers problems to userland, encouraging more innovation, choice, and fragmentation, and other devs prefer a more fully integrated toolkit with a well-supported happy path.

      tag?: what scope of provided features / recommended happy path is needed?

    2. It’s worth mentioning that Svelte limits its scope to being only a UI component framework. Like React, it provides the view layer, but it has more batteries included with its component-scoped CSS and extensible stores for state management. Others like Angular and Vue provide a more all-in-one solution with official routers, opinionated state management, CLIs, and more. Sapper is Svelte’s official app framework that adds routing, server-side rendering, code splitting, and some other essential app features, but it has no opinions about state management and beyond. Some devs prefer Svelte’s minimal approach that defers problems to userland, encouraging more innovation, choice, and fragmentation, and other devs prefer a more fully integrated toolkit with a well-supported happy path.

      tag?: what scope of provided features / recommended happy path is needed?

    3. With the caveat that hero worship can be gross, distorting, and unhelpful to everyone involved, Svelte author Rich Harris (@rich_harris on Twitter) is one of my favorite open source developers. In the JS community he’s well-known among tool authors for spreading interesting ideas. He’s the creator of many open source projects including Rollup, the bundler of choice for many libraries including React and Vue.
    4. The compiler architecture moves complexity from the runtime and source code to buildtime and tools. Behind Svelte’s simple APIs sits a beefy compiler. Frontend web development has become very tool heavy in the webapp era, so in practice this adds little cost beyond what developers like myself already pay, but increased build complexity is important to acknowledge.

      tool-heavy dependence on build tools / heavy/complex build-time

  10. Nov 2020
    1. (15x) ENJOYMENT: Forgettable Outstanding(10x) DEPTH (IN RELATION TO COMPLEXITY): Lacking Meaty (5x) LUCK FACTOR: All Luck All Skill (3x) REPLAYABILITY: Nil Limitless(10x) MECHANICS: Boring Interesting (4x) PLAYER INTERACTION: Low High (4x) PLAYER COUNT PERFORMANCE: Not Balanced Balanced (2x) GAME LENGTH: Too Short/Long Just Right (2x) CLARITY OF RULES: Mud Crystal (5x) COMPONENT QUALITY: Cheap World ClassINITIAL RATING (sum(Criteria Rating x Criteria Weight)/Total Weight) = 7.7

      rating scale evaluation

    1. Prettier’s printWidth option does not work the same way. It is not the hard upper allowed line length limit. It is a way to say to Prettier roughly how long you’d like lines to be. Prettier will make both shorter and longer lines, but generally strive to meet the specified printWidth. Remember, computers are dumb. You need to explicitly tell them what to do, while humans can make their own (implicit) judgements, for example on when to break a line. In other words, don’t try to use printWidth as if it was ESLint’s max-len – they’re not the same. max-len just says what the maximum allowed line length is, but not what the generally preferred length is – which is what printWidth specifies.
  11. Oct 2020
    1. Doing so also means adding empty import statements to guarantee correct order of evaluation of modules (in ES modules, evaluation order is determined statically by the order of import declarations, whereas in CommonJS – and environments that simulate CommonJS by shipping a module loader, i.e. Browserify and Webpack – evaluation order is determined at runtime by the order in which require statements are encountered).

      Here: dynamic loading (libraries/functions) meaning: at run time