McNamara, Ken

MacRae, Bill

Qi, Dezhi, author

A.P. is ahead of other states with regard to testing capacity, Medical and Health Commissioner Katamaneni Bhaskar said the government was taking measures to contain the spread of the virus

‘Reasons for the accident yet to be ascertained’

Migrant labourer, who returned from Vijayawada, tests positive

‘Steps are being taken to send them home’

This episode was recorded live from The Microsoft Build Conference 2016. In this episode we chatted with Gaurav Seth of Microsoft about ChakraCore. You can follow him on Twitter, or check out what he’s done over on GitHub.

Picks

• TypeScript (Gaurav)
• Richard Campbell and Carl Franklin from .NETRocks

Panel: Charles Max Wood

Guest: Tara Z. Manicsic

This week on My JavaScript Story, Charles speaks with Tara Z. Manicsic. Tara is a developer advocate for Progress, is on their Kendo UI team, and is also a Google developer expert on the Web Technologies team. She first got into programming in the second grade when she learned Logo and came back to development when she was asked to do Crystal Reports at Harvard Law School. They talk about how she found Women Who Code, the importance of understanding open source software, having a support system, what is was about Node that got her excited, and more!

In particular, we dive pretty deep on:

• Tara intro
• Very excited and fascinated with the web
• Helped to start up React Round Up as a panelist
• Her experience as a developer
• Started out as a business school dropout
• How did you first get into programming?
• Learned Logo in the second grade
• Loved the ability to help people and create change
• Crystal Reports at Harvard Law
• CS courses with tuition assistance
• Getting back into CS
• Being a non-traditional student
• Finding Women Who Code
• First job as a Node software engineer
• How did Women Who Code help you?
• OpenHatch
• Being familiar with open source software
• The importance of having support
• How did you first get into JavaScript?
• Seeing jobs for Ruby on Rails
• Matt Hernandez on JavaScript Jabber
• NG conf
• Her intro to the Angular community in person
• And much, much more!

Links:

• Progress
• React Round Up
• Crystal Reports
• Women Who Code
• Node
• OpenHatch
• JavaScript
• Ruby on Rails
• Matt Hernandez on JavaScript Jabber
• NG conf
• Angular
• @Tzmanics
• tzmanics.com
• Tara’s GitHub

Sponsors:

• Loot Crate
• FreshBooks

Picks

Charles

• Get a Coder Job Course
• Golf Clash

Tara

• Connect.Tech
• DevFest Atlanta
• Cedar Point

Panel:

• Aimee Knight
• Charles Max Wood
• Joe Eames
• AJ O’Neil
• Chris Ferdinandi 

Special Guests: Charles Lowell (New Mexico) & Taras Mankovski (Toronto)

In this episode, the panel talks with two special guests Charles and Taras. Charles Lowell is a principle engineer at Frontside, and he loves to code. Taras works with Charles and joined Frontside, because of Charles’ love for coding. There are great personalities at Frontside, which are quite diverse. Check out this episode to hear about microstates, microstates with react, Redux, and much more!

Show Topics:

1:20 – Chuck: Let’s talk about microstates – what is that?

1:32 – Guest: My mind is focused on the how and not the what. I will zoom my mind out and let’s talk about the purposes of microstates. It means a few things. 1.) It’s going to work no matter what framework you are using. 2.) You shouldn’t have to be constantly reinventing the wheel. React Roundup – I talked about it there at this conference. 

Finally, it really needs to feel JavaScript. We didn’t want you to feel like you weren’t using JavaScript. It uses computer properties off of those models. It doesn’t feel like there is anything special that you are doing. There are just a few simple rules. You can’t mutate the state in place. If you work with JavaScript you can use it very easily. Is that a high-level view?

7:13 – Panel: There are a lot of pieces. If I spoke on a few specific things I would say that it enables programming with state machines.

7:42 – Panel: We wanted it to fell like JavaScript – that’s what I heard.

7:49 – Aimee: I heard that, too.

7:59 – Guest.

8:15 – Aimee: Redux feels like JavaScript to me.

8:25 – Guest: It’s actually – a tool – that it feels natural so it’s not contrived. It’s all JavaScript.

8:49 – Panel.

9:28 – Guest: Idiomatic Ember for example. Idiomatic in the sense that it gives you object for you to work with, which are simple objects.

10:12 – Guest: You have your reducers and your...we could do those things but ultimately it’s powerful – and not action names – we use method names; the name of the method.

11:20 – Panel: I was digging through docs, and it feels like NORMAL JavaScript. It doesn’t seem like it’s tied to a certain framework or library platform?

11:45 – Guest: Yes, we felt a lot of time designing the interfaces the API and the implementation. We wanted it to feel natural but a tool that people reach for.

(Guest continues to talk about WHY they created microstates.)

Guest: We wanted to scale very well what you need when your needs to change.

13:39 – Chuck: I have a lot of friends who get into React and then they put in Redux then they realize they have to do a lot of work – and that makes sense to do less is more.

14:17 – Guest: To define these microstates and build them up incrementally...building smaller microstates out of larger ones.

Guest continued: Will we be able to people can distribute React components a sweet array of components ready for me to use – would I be able to do the same for a small piece of state? We call them state machines, but ultimately we have some state that is driving it. Would we be able to distribute and share?

16:15 – Panel: I understand that this is tiny – but why wouldn’t I just use the native features in specific the immutability component to it?

16:42 – Guest: I’m glad you asked that question. We wanted to answer the question...

Guest: With microstates you can have strict control and it gives you the benefit of doing sophisticated things very easily.

18:33 – Guest: You mentioned immutability that’s good that you did. It’s important to capture – and capturing the naturalness of JavaScript. It’s easy to build complex structures – and there is an appeal to that. We are building these graphs and these building up these trees. You brought up immutability – why through it away b/c it’s the essence of being a developer. If you have 3-4-5 levels of nesting you have to de-structure – get to the piece of data – change it – and in your state transition 80% of your code is navigating to the change and only 20% to actually make the change. You don’t have to make that tradeoff.

21:25 – Aimee: The one thing I like about the immutability b/c of the way you test it.

21:45 – Guest: There a few things you can test. 

23:01 – Aimee: You did a good job of explaining it.

23:15 – Guest: It makes the things usually hard  easy! With immutability you can loose control, and if that happens you can get so confused. You don’t have a way to have a way to navigate to clarity. That’s what this does is make it less confusing. It gives you order and structure. It gives you a very clear path to do things you need to do. If there is a property on your object, and if there is a way to change it...

25:29 – Guest: The only constant is change no matter what framework you are working on.

24:46 – Chuck: We are talking about the benefits and philosophy. What if I have an app – and I realize I need state management – how do I put microstates into my app? It’s using Angular or React – how do I get my data into microstates?

26:35 – Guest: I can tell you what the integration looks like for any framework. You take a type and you passed that type and some value to the create function so what you get is a microstate.

(The Guest continues diving into his answer.)

28:18 – Guest: That story is very similar to Redux, basically an event emitter. The state changes on the store.

Maybe this is a good time to talk about the stability benefits and the lazy benefits because microstates is both of those things.

Stability – if I invoke a transition and the result is unchanged – same microstate – it doesn’t emit an event. It recognizes it internally. It will recognize that it’s the same item. Using that in Ember or Redux you’d have to be doing thousands of actions and doing all that computation, but stability at that level.

Also, stability in the sense of a tree. If I change one object then that changes it won’t change an element that it doesn’t need to change.

31:33 – Advertisement: Sentry.io

32:29 – Guest: I want to go back to your question, Chuck. Did we answer it?

32:40 – Chuck: Kind of.

32:50 – Guest.

32:59 – Guest: In Angular for example you can essentially turn a microstate...

33:51 – Guest: You could implement a connect, too. Because the primitive is small – there is no limit.

34:18 – Chuck summarizes their answers into his own words.

34:42 – Guest: If you were using a vanilla React component – this dot – I will bind this. You bind all of these features and then you pass them into your template. You can take it as a property...those are those handlers. They will perform the transition, update and what needs to be updated will happen.

35:55 – Chuck: Data and transitions are 2 separate things but you melded them together to feel like 1 thing. This way it keeps clean and fast.

36:16 – Guest: Every framework helps you in each way.

Microstates let’s you do a few things: the quality of your data all in one place and you can share.

38:12 – Guest: He made and integrated Microstates with Redux tools.

38:28 – Guest talks about paths, microstates to trees.

39:22 – Chuck.

39:25 – Panel: When I think about state machines I have been half listening / half going through the docs. When I think of state machines I think about discreet operations like a literal machine. Like a robot of many steps it can step through. We have been talking about frontend frameworks like React - is this applicable to the more traditional systems like mechanical control or is it geared towards Vue layered applications?

40:23 – Guest: Absolutely. We have BIG TEST and it has a Vue component.

41:15 – Guest: when you create a microstate from a type you are creating an object that you can work with.

42:11 – Guest: Joe, I know you have experience with Angular I would love to get your insight.

42:33 – Joe: I feel like I have less experience with RX.js. A lot of what we are talking about and I am a traditionalist, and I would like you to introduce you guys to this topic. From my perspective, where would someone start if they haven’t been doing Flux pattern and I hear this podcast. I think this is a great solution – where do I get started? The official documents? Or is it the right solution to that person?

43:50 – Guest: Draw out the state machine that you want to represent in your Vue. These are the states that this can be in and this is the data that is required to get from one thing to the other. It’s a rope process. The arrow corresponds to the method, and...

44:49 – Panel: It reminds me back in the day of rational rows.

44:56 – Guest: My first job we were using rational rows.

45:22 – Panelist: Think through the state transitions – interesting that you are saying that. What about that I am in the middle – do you stop and think through it or no?

46:06 – Guest: I think it’s a Trojan horse in some ways. I think what’s interesting you start to realize how you implement your state transitions.

48:00 – (Guest continues.)

48:45 – Panel: That’s interesting. Do you have that in the docs to that process of stopping and thinking through your state transitions and putting into the microstate?

49:05 – Guest: I talked about this back in 2016. I outlined that process. When this project was in the Ember community.

49:16 – Guest: The next step for us is to make this information accessible. We’ve been shedding a few topics and saying this is how to use microstates in your project. We need to write up those guides to help them benefit in their applications.

50:00 – Chuck: What’s the future look like?

50:03 – Guest: We are working on performance profiling.

Essentially you can hook up microstates to a fire hose.

The next thing is settling on a pattern for modeling side effects inside microstates. Microstates are STATE and it’s immutable.

52:12 – Guest: Getting documentation. We have good README but we need traditional docs, too.

52:20 – Chuck: Anything else?

52:28 – Guest: If you need help email us and gives us a shot-out.

53:03 – Chuck: Let’s do some picks!

53:05 – Advertisement for Charles Max Wood’s course!

Links:

• Kendo UI
• Frontside
• Redux
• Microstates
• Microstates with React
• Taras Mankovski’s Twitter
• Taras Mankovski’s GitHub
• Taras Mankovski’s LinkedIn
• Taras Mankovski’s Frontside Bio
• Charles Lowell’s Twitter
• Charles Lowell’s GitHub
• Charles Lowell’s Frontside Bio
• Schedule Once
• Ruby on Rails
• Angular
• Get A Coder Job
• YouTube Talks
• Email: cowboyd@frontside.io
• Working with State Machines
• Twitch TV
• BigTest
• Close Brace
• REEF
• The Developer Experience
• YouTube Video

Sponsors:

• Kendo UI
• Sentry.io – 2 months free – DEVCHAT/code
• Get A Coder Job

Picks:

Aimee

• ShopTalk Episode 327
• Professional JavaScript for Web Developers
• Technical Debt
• Stripe

Taras

• Twitch Channel
• Big Test
• Frontside

Charles Lowell

• Chalkboards
• Sargent Art Chalk

Chris

• Close Brace
• LaCroix Water
• Chris’s Git Hub

Joe

• The Developer Experience Bait and Switch
• Good Bye Redux
• Recording Dungeon and Dragons

AJ

• UtahJS Conf
• Start with Why
• The Rust Book
• VanillaJS w/ Chris
• Zero to One

Charles

• Podwrench.com -  beta
• getacoderjob.com

Sponsors

• KendoUI

• Sentry use the code “devchat” for $100 credit

• Clubhouse

Panel

• AJ O’Neal

• Chris Ferdinandi

• Charles Max Wood

Joined by special guest: Phil Hawksworth and Divya Sasidharan

Episode Summary

This episode features special guests Philip Hawksworth and Divya Sasidharan. Phil lives just outside of London and Divya lives in Chicago, and both of them work for Netlify. Divya is also a regular on the Devchat show Views on Vue. The panelists begin by discussing what JAMstack is. JAM stands for JavaScript, API, and Markup. It used to be known as the new name for static sites, but it’s much more than that. Phil talks about how dynamic ‘static’ sites really are. JAMstack sites range from very simple to very complex, Static is actually a misnomer. JAMstack makes making, deploying, and publishing as simple as possible.

The panelists discuss the differences between building your own API and JAMstack and how JavaScript fits into the JAMstack ecosystem. They talk about keys and secrets in APIs and the best way to handle credentials in a static site. There are multiple ways to handle it, but Netlify has some built in solutions. All you have to do is write your logic for what you want your function to do and what packages you want included in it, they do all the rest. Every deployment you make stays there, so you can always roll back to a previous version.

Charles asks about how to convert a website that’s built on a CMS to a static site and some of the tools available on Netlify. They finish by discussing different hangups on migrating platforms for things like Devchat (which is built on WordPress) and the benefits of switching servers.

Links

• API

• React

• JAMstack

• CMS (content management system)

• CDM (Customer Data Management)

• Markup

• UI (User Interface)

• Jekyll

• Progressive Enhancement

• 11ty

• Hugo

• React Static

• Gatsby

• Vue

• AWS

• AWS Lambda

• Azure

• Markdown

• WordPress

• Zapier

• Stefan Baumgartner article

• RSS feed

Picks

AJ O’Neal:

• Prince Ali Ababwa (Aladdin)

• Node v.10.12

Chris Ferdinandi:

• Bouncer

• Philip Morgan Consulting

• Jonathan Stark Consulting

Charles Max Wood:

• Mastadon Social

• Thanksgiving turkey

Phil Hawksworth:

• Dripping (solidified meat drippings spread on toast)

• They Shall Not Grow Old

Divya Sasidharan:

• Fear, Trust, and JavaScript

• Women’s Pockets Are Inferior

• Debt: A Love Story

Sponsors

• Netlify
• Sentry use the code "devchat" for $100 credit
• Clubhouse

Panel:

• Joe Eames
• Aimee Knight
• Chris Ferdinandi
• AJ O’Neal
• Charles Max Wood

Special Guest - Sarah Dayan

In this episode of JavaScript Jabber, the panelists talk to Sarah Dayan, who is a Frontend Software Engineer working for Algolia in Paris. They about the complications in handling money in software development and ask Sarah about the journey that led to the creation of Dinero.js, it’s implementation details, importance of maintaining good documentation, dealing with issues faced along the way, various features of Dinero and working with open source projects in general. Check it out!

Show Topics:

0.40 - Advertisement : Netlify

1:44 - Sarah introduces herself and Chris talks about his interest in learning more about Dinero and compliments Sarah on its great documentation.

3.10 - Sarah gives some background saying that she created and published Dinero around a year ago. She goes on to explain that the Dinero library helps in handling monetary values. It comes with several methods to parse, manipulate and format these values. The reason behind creating it is that there is no consensus on representing money in software development currently. She shares the story from her previous job where her work was to maintain legacy accounting software, and along the way they realized, that since JavaScript did not have a way to natively represent decimal values, it led to adding large numbers of rounded up numbers continuously, eventually leading to wrong computations.

6:50 - Aimee asks about ways to handle different currencies in Dinero. Sarah answers that she has followed Martin Fowler’s money pattern where two different currencies were not allowed to be worked on directly, conversion was mandatory, just like in real life.

7:50 - Charles talks about his old freelance work where he was overwhelmed while handling and representing money in software.

8:25 - Aimee enquires if Dinero can be used for both frontend and backend. Sarah replies that it can be used anywhere and explains that there is no such thing as just a number when it comes to money, there must be a currency associated with it.

9:30 - Charles asks how to figure out the direction to go to when dealing with money and to make sure that all use-cases are covered. Sarah answers that in cases such as floating-point math where the computations don’t end up being accurate as handling is not supported, numbers can be used if treated as subunits (for e.g. 100cents = 1$). However, even then, there are issues in dividing money. She then explains the procedure of “allocation” from the Fowler pattern and she says that Dinero helps in doing the same in such scenarios.

12:54 - They discuss how they did not realize how difficult it was dealing with monetary values in development. Sarah talks about the fact that there are numerous aspects involved in it, giving the example of rounding off and stating that there are even factors such as different laws in different countries that need to be considered.

16:00 - AJ asks details about crafting the library, maintaining the centralized code and covering of edge cases and using inheritance. Sarah explains the concept of domain driven development and the importance of being an expert in the respective domains. She talks about the library structure briefly, describing that is kept very simple with a module pattern and it has allowed her to manage visibility, make it immutable, include currency converters, formatters and so on.

19:34 - AJ asks about the internal complexity of the implementation. Sarah answers that code wise it is extremely simple and easy, anyone with a limited JavaScript experience can understand it.

20:50 - AJ asks if it’s open source to which Sarah answers in affirmative and says that she would like external help with implementing some features too.

22:10 - Chris asks about Sarah’s excellent documentation approach, how has she managed to do it in a very detailed manner and how important it is in an open source project. Sarah says that she believes that documentation is extremely important, and not having good docs is a big hindrance to developers and to anyone who is trying to learn in general. She talks about her love for writing which explains the presence of annotations and examples in the source code.

27:50 - Charles discusses how autogenerated documentation gives an explanation about the methods and functions in the code but there is no guidance as such, so it is important to have guides. Sarah agrees by saying that searching for exact solutions is much simpler with it, leading to saving time as well.

29:43 - Chris speaks about Vue also being quite good at having guides and links and thanks Sarah for her work on Dinero.

30:15 - Advertisement - Sentry - Use code “devchat” to get two months free on Sentry’s small plan.

31:23 - Chris asks what the process is, for creating and running Dinero in different places. Sarah explains that she uses rollup.js which is a bundler suited for libraries, it takes in the ES module library and gives the output in any format. She states that the reason for using the ES module library is that she wanted to provide several builds for several environments with a clean and simple source and goes on to explain that these modules are native, have a terse syntax, easy to read and can be statically analyzed. She also gives the disadvantages in choosing webpack over rollup.

36:05 - Charles asks if anyone else is using Dinero. Sarah replies that around two or three people are using it, not much, but she is happy that it is out there to help people and she enjoyed working on it.

37:50 - Joe asks if there are any interesting stories about issues such as involving weird currency. Sarah answers in affirmative and gives the example of the method “hasCents”. She explains that she had to deprecate it because the unit “cents” does not have any value in non-Western currencies, and has created “hasSubUnits” method instead. She explains some problems like dealing with currencies that don’t support the ISO 4217 standard.

42:30 - Joe asks if social and political upheavals that affect the currencies have any effect on the library too. Sarah gives the example of Chinese and Japanese currencies where there are no sub-units and states that it is important to be flexible in developing stuff in an ever-changing domain like money. She also says that she does not include any third-party dependency in the library.

46:00 - AJ says that BigInts have arrived in JavaScript but there is no way to convert between typed arrays, hexadecimal or other storage formats. But later (1:10:55), he corrects that statement saying that BigInts in fact, does have support for hexadecimals. Sarah talks about wanting to keep the code simple and keep developer experience great.

49:08 - Charles asks about the features in Dinero. Sarah elaborates on wanting to work more on detecting currencies, improve the way it is built, provide better support for type libraries and get much better at documentation.

52:32 - Charles says that it is good that Sarah is thinking about adopting Dinero to fit people’s needs and requirements and asks about different forms of outreach. Sarah says that she blogs a lot, is active on Twitter and attends conferences as well. Her goal is not popularity per se but to help people and keep on improving the product.

55:47 - Chris talks about the flip side that as the product grows and becomes popular, the number of support requests increases too. Sarah agrees that open source projects tend to eat up a lot of time and that doing such projects comes with a lot of responsibility but can also help in getting jobs.

59:47 - Sarah says that she is available online on her blog - frontstuff, on Twitter as Sarah Dayan and on GitHub as sarahdayan.

1:00:06 - Advertisement - Clubhouse

1:01:01 - Picks!

1:11:42  - END - Advertisement - CacheFly!

Picks:

Sarah

• DocSearch - Algolia

AJ O’Neal

• The Legendary Profile by Modern Jazz Quartet
• Webcam Cover by Dcreate
• How Music Works - David Byrne

Chris

• Tommy Hodgins Code Series
• Tom Scott - YouTube
• Future Man

Joe

• Timeless
• A Christmas Carol narrated by Patrick Stewart

Aimee

• Hacker News thread on working with Legacy Codebases

Charles

• George Marathon
• Garmin Forerunner 235

Sponsors

• Sentry use the code “devchat” for 2 months free on Sentry small plan

• CacheFly

Host: Charles Max Wood

Joined By Special Guest: Sarah Dayan

Episode Summary

Sarah Dayan is a Frontend Software Engineer working for Algolia in Paris. She is also the author of Dinero.js which was the result of a production bug they discovered in JavaScript. Sarah first got introduced to computers when she was a child. She spent hours playing on her grandmother's computer with dial-up internet. At age 15, she created her first HTML website. Sarah and Charles discuss the evolution of front-end development. Listen to the show to find out more about Sarah's journey as a front-end developer and the projects she is working on now.

Links

• JavaScript Jabber 351: Dinero.js with Sarah Dayan

• Sarah's Twitter

• Sarah's GitHub

• Sarah's Medium

• Dinero.js

• https://www.facebook.com/javascriptjabber

• https://twitter.com/JSJabber

• https://www.facebook.com/DevChattv

Picks

Sarah Dayan:

• Zdog Library

• Dear White People TV Series

• Mass Effect Trilogy for PC

Charles Max Wood:

• Taking a roadtrip

• Hotels.com

• Velocity 2019

• Food Fight Show

• Netlify Dev

O'Meara, Lauren J

Flowers, Sarah, 1952-

Filmer, Deon, author

Anglin, Douglas George

Cousineau, Robert Henri

Spencer, Scott, 1975-

Ring, Laura A., 1968-

Bardin, Hillel

This cohort study compares the characteristics and management of acute heart failure in global regions comprising 44 countries.

In the Editorial titled “Disproportionate Emphasis on Proportionate Mitral Regurgitation—Are There Better Measures of Regurgitant Severity?,” published online February 19, 2020, there was a wording error in the fifth paragraph. The sentence beginning “Rejection fraction is calculated….” should have been “Regurgitant fraction is calculated….” This article has been corrected online.

Lacking a cohesive national campaign, Kejriwal has yet again taken recourse to insurgent tactics – projecting himself as Modi’s only rival when Congress is yet to declare its nominee for Varanasi.

As polls come closer arrows are flying thicker, faster, sharper. Some are of time-honoured design, others quite modern. Included in the first category is flaming a party leader as communal or dissing her for being in the Italians’ pocket.

Going by a letter written by Nawaz Sharif to Narendra Modi, that he was 'much satisfied' with their meeting in New Delhi, the two prime ministers have succeeded in striking up a working relationship.

Martin, Sarah, author

Day, Robert A., 1924-

Liu, Jian-Qin

Meyyappan, M

Reinke, Petra

Khataee, A. R. (Ali Reza), 1977-

Shah, Monali, author

Online Resource