our

ALTA 1995 nickel/cobalt laterites, the how to's of project development : May 4-5, 1995, Le Meridian Hotel, Melbourne, Australia




our

ALTA 1997 uranium ore to yellowcake seminar : February 20, 1997, Carlton Crest Hotel, Melbourne Australia / organised by ALTA Metallurgical Services




our

Uranium ore processing : short course / presented by Alan Taylor




our

The A-Z of copper ore leaching : short course / [presented by Alan Taylor]




our

Copper oxide ore heap leaching testwork and scale-up short course / presented by Alan Taylor




our

Copper SX/EW basic principles, & detailed plant design : short course / organised by ALTA Metallurgical Services




our

Copper SX/EW basic principles & detailed plant design : short course / organised by ALTA Metallurgical Services




our

Seed germination and research records from Alcoa's Marrinup nursery [electronic resource] / E.L. Cromer

Cromer, E. L




our

Uranium ore processing : short course / presented by Alan Taylor




our

An electrochemical study of oxidative dissolution of synthetic nickel-iron-sulphide minerals in aqueous media [electronic resource] / by Terence Edwin Warner

Warner, Terence E., 1960-




our

Hydrometallurgy 2008 : proceedings of the sixth international symposium / edited by Courtney A. Young ... [et al.]

International Symposium on Hydrometallurgy (6th : 2008 : Phoenix, Ariz.)




our

The kinetics of the dissolution of chalcopyrite in chloride media / Lilian De Lourdes Velásquez Yévenes

Velásquez Yévenes, Lilian de Lourdes




our

Tailings management : Leading Practice Sustainable Development Program for the mining industry / [Department of Industry, Tourism and Resources]




our

Solvent extraction and its application to copper, uranium and nickel-cobalt short course / presented by Alan Taylor

Taylor, Alan




our

Minor elements 2000 : processing and environmental aspects of As, Sb, Se, Te, and Bi / edited by Courtney Young




our

The AusIMM International Uranium Conference 2009 [electronic resource] : presentations :10 - 11 June 2009, Darwin, Australia / AusIMM




our

The extractive metallurgy of lead [electronic resource] / Roderick J. Sinclair

Sinclair, Roderick J




our

Biohydrometallurgy : "fundamentals, technology and sustainble development" : proceedings of the International Biohydrometallurgy Symposium, IBS-2001, held in Ouro Preto, Minas Gerais, Brazil, September 16-19, 2001 / edited by V.S.T. Ciminelli, O

International Symposium on Biohydrometallurgy (14th : 2001 : Ouro Preto, Minas Gerais, Brazil)




our

Heroic misadventures : Australia : four decades - full circle, 1970-2009 / by Ron Manners

Manners, Ron (Ron B.)




our

Gold mining : formation and resource estimation, economics and environmental impact / Melanie D. Corral and Jared L. Earle, editors




our

Mineral beneficiation : a concise basic course / D.V. Subba Rao

Subba Rao, D. V




our

Clamour at inter-district border continues

Gas leak rumour makes residents panic




our

New Zealand Veterinary Association (NZVA) Special Interest Branch Proceedings [electronic resource].

Publisher New Zealand : New Zealand Veterinary Association
Location World Wide Web
Call No. SF605




our

Lab animal [electronic resource].

Publisher New York, N.Y. : Nature America Inc.
Location World Wide Web
Call No. SF405.5




our

007 JSJ Online Resources for Javascript Developers

The panelists discuss online resources for JavaScript Developers.




our

086 JSJ Ember.js & Discourse with Robin Ward

The panelists discuss Ember.js and Discourse with Robin Ward




our

102 JSJ Angular and Open Source Projects with Brad Green

The panelists talk to Brad Green of Google, about Angular.js and managing open source projects.




our

156 JSJ Soft Skills and Marketing Yourself as a Software Developer with John Sonmez

Check out ReactRally: A community React conference in Salt Lake City, UT from August 24th-25th!

03:36 - John Sonmez Introduction

04:29 - Mastermind Groups

05:53 - “Soft Skills”

  • Why Care About Soft Skills?
    • People Skills
    • Finances
    • Fitness

11:53 - Learned vs Innate

  • Lifting Limited Beliefs
  • Practice

14:14 - Promotion (Managerial) Paths

17:52 - “Marketing”

29:53 - Get Up and CODE!

33:47 - Burnout

Get John’s How to Market Yourself as a Software Developer Course for $100 off using the code JSJABBER

Comment on this episode for your chance to win one of two autographed copies of Soft Skills: The Software Developer's Life Manual by John Sonmez

Picks

The Recurse Center (Jamison)
Code Words Blog (Jamison)
DayZ Player Sings (And Plays Guitar) For His Life (Jamison)
Demon (Jamison)
Mastodon: Leviathan (Jamison)
Jan Van Haasteren Puzzles (Joe)
Hobbit Tales from the Green Dragon Inn (Joe)
AngularJS-Resources (Aimee)
Superfeet Insoles (Aimee)
Good Mythical Morning (AJ)
The Magic of Thinking Big by David J. Schwartz (Chuck)
Streak (John)
The E-Myth Revisited: Why Most Small Businesses Don't Work and What to Do About It by Michael E. Gerber (John)
Influence: The Psychology of Persuasion, Revised Edition by Robert B. Cialdini (John)
Do the Work by Steven Pressfield (John)
The War of Art: Break Through the Blocks and Win Your Inner Creative Battles by Steven Pressfield (John)

 




our

157 Moving Your Rendering Engine to React with Amit Kaufman and Avi Marcus

02:43 - Amit Kaufman Introduction

03:07 - Avi Marcus Introduction

04:35 - Why Move Your Rendering Engine to React?

07:25 - Using JavaScript

09:57 - Business Process and Progression (Getting Managerial Approval)

12:46 - Manipulation

15:11 - Layout and Performance

  • Measuring and Patching

20:21 - Building Client-Side Applications in General

  • Abstraction
  • Make Code Predictable and Clear
  • Have a Goal

26:00 - Events

29:30 - Storage

  • Lazy Components

31:31 - Immutability

34:36 - Flux and Keeping Code Maintainable

  • Packages

38:19 - Two-way Data Binding

Picks

Notes on the book "Art & Fear" by David Bayles & Ted Orland (Jamison)
Papers (Jamison)
Dynamo: Amazon’s Highly Available Key-value Store (Jamison)
LDS Conference Talks (AJ)
Stephen Young: Why your code is so hard to understand (Aimee)
Kombucha (Aimee)
Pascal Precht: Integrating Web Components with AngularJS (Pascal)
Template Syntax Constraints and Reasoning (Design Doc) (Pascal)
RUNNING WITH RIFLES (Joe)
[Pluralsight Webinar] AngularJS 2.0: What you need to know with Joe (Joe)
Whiplash (Amit)
Dan Ariely: What makes us feel good about our work? (Amit)
React Templates (Amit)
Esprima (Avi)
Big Hero 6 (Avi)

 

Check out and sign up to get new on React Rally: A community React conference on August 24th and 25th in Salt Lake City, Utah!




our

JSJ 290: Open Source Software with Dirk Hohndel - VMWare Chief Open Source Officer

Panel:

Charles Max Wood

Aimee Knight

Corey House

Joe Eames

Special Guests: 

In this episode, JavaScript Jabber speaks with Dirk Hohndel about Open Source Software. Dirk is the Chief Open Source Officer at VMWare and has been working with open source for over 20 years. Dirk duties as the Chief Open Source Officer is to engage with the open source community and help promote the development between the community, companies, and customers.

Dirk provides historical facts about open sources to current processes. The discussion covers vision and technological advances with languages, security, and worries of using open source software, view/consumption and burnout on maintaining a project. This is a great episode to learn about more different avenues of Open Source.

In particular, we dive pretty deep on:

  • What does the Chief Open Source Officer do?
  • What is really different and has stayed the same in open source?
  • Technological advances
  • Good engineering and looking ahead or forward
  • 100 million lines of code running a car…
  • This is in everything..
  • Production environments
  • Security
  • Bugs in the software and the security issues
  • Scaling and paying attention
  • Where should we be worried about open source
  • Notation and data sets
  • Write maintainable software
  • How does VMWare think about open source?
  • View and Consumption of open source
  • The burnout of open source projects - how to resolve this abandonment
  • To much work to maintain open source  - not a money issue
  • Scaling the team workload not the money
  • Contribution and giving back
  • Companies who do and don’t welcome open source
  • What to do to make a project open source?
  • Adopting an API
  • And much more!

Links:

  • @_drikhh
  • VMWare
  • Drikhh - everywhere!
  • https://github.com/dirkhh

Picks:

Aimee

Dirk

Charles

Corey

Joe

 

 




our

JSJ 321: Babel and Open Source Software with Henry Zhu

Panel:

  • Charles Max Wood
  • Aimee Knight
  • AJ ONeal
  • Joe Eames

Special Guests: Henry Zhu

In this episode, the JavaScript Jabber panel talks to Henry Zhu about Babel and open source software. Henry is one of the maintainers on Babel, which is a JavaScript compiler, and recently left this job to work on doing open source full time as well as working on Babel. They talk about where Babel is today, what it actually is, and his focus on his open source career. They also touch on how he got started in open source, his first PR, and more!

In particular, we dive pretty deep on:

  • Henry intro
  • Babel update
  • Sebastian McKenzie was the original creator of Babel
  • Has learned a lot about being a maintainer
  • What is Babel?
  • JavaScript compiler
  • You never know who your user is
  • Has much changed with Babel since Sebastian left?
  • Working on open source
  • How did you get started in pen source?
  • The ability to learn a lot from open source
  • Atrocities of globalization
  • More decentralization from GitHub
  • Gitea and GitLab
  • Gitea installer
  • Open source is more closed now
  • His first PR
  • JSCS
  • Auto-fixing
  • Prettier
  • Learning more about linting
  • You don’t have to have formal training to be successful
  • Codefund.io
  • Sustainability of open source
  • And much, much more!

Links:

Sponsors

Picks:

Charles

Aimee

AJ

Joe

Henry




our

JSJ 323: "Building a JavaScript platform that gives you the power to build your own CDN" with Kurt Mackey

Panel:

  • Charles Max Wood
  • AJ ONeal

Special Guests: Kurt Mackey

In this episode, the JavaScript Jabber panel talks to Kurt Mackey about Fly.io. At Fly.io, they are "building a JavaScript platform that gives you the power to build your own CDN." They talk about how Fly.io came to fruition, how CDN caching works, and what happens when you deploy a Fly app. They also touch on resizing images with Fly, how you actually build JavaScript platforms using Fly, and more!

In particular, we dive pretty deep on:

  • Fly.io
  • Building a programmable CDN
  • High level overview of Fly.io
  • How did this project come together?
  • CDNs didn’t work with dynamic applications
  • Has been working on this since 2008
  • Extend application logic to the “edge”
  • Putting burden of JavaScript “nastiest” onto the web server
  • Fly is the proxy layer
  • Getting things closer to visitors and users
  • CDN caching
  • Cache APIs
  • Writing logic to improve your lighthouse score
  • Have you built in resizing images into Fly?
  • Managing assets closer to the user
  • Can you modify your own JavaScript files?
  • What happens when you deploy a Fly app
  • Having more application logic
  • DOM within the proxy
  • Ghost
  • React and Gatsby
  • Intelligently loading client JavaScript
  • How do you build the JavaScript platform?
  • And much, much more!

Links:

Sponsors

Picks:

Charles

AJ

Kurt




our

JSJ 338: It’s Supposed To Hurt, Get Outside of Your Comfort Zone to Master Your Craft with Christopher Buecheler

Panel:

Special Guests: Christopher Buecheler

In this episode, the panel talks with Christopher Buecheler who is an author, blogger, web developer, and founder of CloseBrace. The panel and Christopher talk about stepping outside of your comfort zone. With a technological world that is ever changing, it is important to always be learning within your field. Check out today’s episode to learn more!

Show Topics:

0:00 – Advertisement: KENDO UI

1:08 – Aimee: Our guest is Christopher Buecheler – tell us about yourself and what you do.

1:22 – Guest: I run a site and help mid-career developers. I put out a weekly newsletter, too.

2:01 – Aimee: It says that you are a fan of “getting comfortable being uncomfortable”?

2:15 – Guest: I am a self-taught developer, so that means I am scrambling to learn new things all the time. You are often faced with learning new things. When I learned React I was dumped into it. The pain and the difficulty are necessary in order to improve. If you aren’t having that experience then you aren’t learning as much as you could be.

3:26 – Aimee: I borrow lessons that I learned from ice-skating to programming.

3:49 – Guest: I started running a few years ago for better health. It was exhausting and miserable at the start and wondered why I was doing it. Now I run 5 times a week, and there is always a level of being uncomfortable, but now it’s apart of the run. It’s an interesting comparison to coding. It’s this idea of pushing through.

5:01 – Aimee: If you are comfortable you probably aren’t growing that much. In our industry you always have to be learning because things change so much!

5:25 – Guest: Yes, exactly. If you are not careful you can miss opportunities.

6:33 – Panel: You have some ideas about frameworks and libraries – one thing that I am always anxious about is being able to make sense of “what are some new trends that I should pay attention to?” I remember interviewing with someone saying: this mobile thing is just a fad. I remember thinking that she is going to miss this opportunity. I am worried that I am going to be THAT guy. How do you figure out what sort of things you should / shouldn’t pay attention to?

7:47 – Guest: It is a super exhausting thing to keep up with – I agree. For me, a lot of what I pay attention to is the technology that has the backing of a multi-million dollar company then that shows that technology isn’t going anywhere, anytime soon. The other thing I would look at is how ACTIVE is the community around it?

9:15 – Panel: Is there a strategic way to approach this? There is so many different directions that you can grow and push yourself within your career? Do you have any kinds of thoughts/tips on how you want your career to evolve?

10:00 – Guest: I am trying to always communicate better to my newsletter audience. Also, a good approach, too, is what are people hiring for? 

11:06 – Aimee: Again, I would say: focus on learning.

11:30 – Panel: And I agree with Aimee – “learn it and learn it well!”

12:01 – Panel: I want to ask Chris – what is CloseBrace?

12:17 – Guest: I founded it in November 2016, and started work on it back in 2013.

14:20 – Panel: It was filled with a bunch of buzz worthy words/title.

14:32 – Guest continues his thoughts/comments on CloseBrace.

16:54 – Panel: How is the growth going?

17:00 – Guest: It is growing very well. I put out a massive, massive tutorial course – I wouldn’t necessarily advice that people do this b/c it can be overwhelming. However, growth this year I have focused on marketing. I haven’t shared numbers or anything but it’s increased 500%, and I am happy about it.

18:05 – Panel: Are you keeping in-house?

18:13 – Guest: I think it would be cool to expand, but now it is in-house. I don’t want to borrow Egg Head’s setup. I would love to cover MORE topics, though.

19:05 – Panel: You are only one person.

19:08 – Guest: If I can get the site creating more revenue than I can hire someone to do video editing, etc.

19:35 – Panel: I think you are overthinking it.

19:45 – Guest.

19:47 – Advertisement – Sentry.io

20:47 – Guest.

21:30 – Aimee: There are SO many resources out there right now. Where do you think you fit into this landscape?

21:44 – The landscape is cluttered, but I feel that I am different b/c of my thoroughness. I don’t always explain line by line, but I do say how and why things work. I think also is my VOICE. Not my radio voice, but the tone and the approach you take with it.

23:25 – Panel: I was trying to copy folks in the beginning of my career. And at some point I realized that I needed to find my own style. It always came down to the reasons WHY I am different rather than the similarities. Like, Chris, you have these quick hits on CloseBrace, but some people might feel like they don’t have the time to get through ALL of your content, because it’s a lot. For me, that’s what I love about your content.

24:46 – Christopher: Yeah, it was intentional.

25:36 – Panel: Good for you.

25:49 – Guest: I am super device agnostic: Android, Mac, PC, etc. I have a lot of people from India that are more Microsoft-base.

26:28 – Aimee: I think Egghead is pretty good about this...do you cover testing at all with these things that you are doing? It’s good to do a “Hello World” but most of these sites don’t get into MORE complex pieces. I think that’s where you can get into trouble. It’s nice to have some boiler point testing, too.

27:18 – Guest answers Aimee’s question.

28:43 – Aimee: We work with a consultancy and I asked them to write tests for the things that we work with. That’s the value of the testing. It’s the code that comes out.

29:10 – Panel: Can you explain this to me. Why do I need to write tests? It’s always working (my code) so why do I have to write a test?

29:39 – Guest: When working with AWS I was writing...

31:01 – Aimee: My biggest thing is that I have seen enough that the people don’t value testing are in a very bad place, and the people that value testing are in a good place. It even comes back to the customers, because the code gets so hard that you end up repeatedly releasing bugs. Customers will stop paying their bills if this happens too often for them.

33:00 – Panel: Aimee / Chris do you have a preferred tool? I have done testing before, but not as much as I should be doing.

33:25 – Aimee: I like JEST and PUPPETEER.

33:58 – Guest: I like JEST, too.

34:20 – Aimee: Let’s go to PICKS!

34:35 – Advertisement – eBook: Get a coder job!

Links:

Sponsors:

Picks:

Aimee

Chris F.

AJ

Aaron

Christopher




our

JSJ 339: Node.js In Motion Live Video Course from Manning with PJ Evans

Panel:

  • Aimee Knight
  • AJ O’Neal
  • Charles Max Wood

Special Guest: PJ Evans

In this episode, the panel talks with PJ Evans who is a course developer and an instructor through Manning’s course titled, “Node.js in Motion.” This course is great to learn the fundamentals of Node, which you can check out here! The panel and PJ talk about this course, his background, and current projects that PJ is working on. Check out today’s episode to hear more!

Show Topics:

0:00 – Advertisement: KENDO UI

0:36 – Chuck: Welcome and our panel consists of Aimee, AJ, myself, and our special guest is PJ Evans. Tell us about yourself and your video course! NODE JS in Motion is the title of the course. Can you tell us more?

1:29 – PJ: It’s a fantastic course.

2:25 – Chuck: You built this course and there is a lot to talk about.

2:36 – Aimee: Let’s talk about Node and the current state. 

2:50 – Chuck: Here’s the latest features, but let’s talk about where do you start with this course? How do you get going with Node? What do people need to know with Node?

3:20 – Aimee.

3:24 – PJ talks about Node and his course!

4:02 – PJ: The biggest headache with Node is the...

4:13 – Chuck.

4:19 – PJ: I am sure a lot of the listeners are familiar with callback hell.

4:50 – Aimee: Let’s talk about the complexities of module support in Node!

5:10 – PJ: It’s a horrible mess.

5:17 – Aimee: Maybe not the tech details but let’s talk about WHAT the problem is?

5:31 – PJ: You are talking about Proper Native ES6 right?

They are arguing about how to implement it. 

6:11 – PJ: My advice is (if you are a professional) is to stick with the LT6 program. No matter how tensing those new features are!

6:46 – Aimee: It could be outdated but they had to come back and say that there were tons of complexities and we have to figure out how to get there.

7:06 – PJ: They haven’t found an elegant way to do it.

7:15 – Panel: If it’s a standard why talk about it?

Seriously – if this is a standard why not implement THE standard?

7:38 – PJ.

8:11 – Panel.

8:17 – Aimee: I would love to talk about this, though!

8:24 – Chuck: I want to talk about the course, please.

8:30 – PJ.

8:54 – Chuck: We will keep an eye on it.

9:05 – PJ.

9:16 – PJ: How is it on the browser-side?

9:33 – Aimee: I don’t want to misspeak.

9:41 – Chuck: I don’t know how complete the forms are.

9:49 – Aimee: I don’t want to misspeak.

9:56 – PJ: I just found the page that I wanted and they are calling it the .MJS or aka the Michael Jackson Script. You can do an import from...

Some people think it’s FINE and others think that it’s a TERRIBLE idea.

10:42 – Chuck: “It sounds like it’s a real THRILLER!”

10:52 – Panel.

11:25 – Panel: When you start calling things the Michael Jackson Solution you know things aren’t well.

11:44 – Aimee: Just to clarify for users...

11:57 – Chuck: I want to point us towards the course: NODE.JS.

Chuck asks two questions.

12:34 – PJ: The concepts aren’t changing, but the information is changing incredibly fast. The fundamentals are fairly settled.

13:22 – Chuck: What are those things?

13:28 – PJ talks about how he structured the course and he talks about the specifics.

15:33 – Chuck: Most of my backend stuff is done in Ruby. Aimee and AJ do more Java then I do.

15:55 – Panel: I think there is something to understanding how different Node is. I think that Node is a very fast moving train. Node has a safe place and that it’s good for people to know about this space.

16:34 – Aimee: Not everyone learns this way, but for me I like to understand WHY I would want to use Node and not another tool. For me, this talk in the show notes really helped me a lot. That’s the core and the nature of NODE.

17:21 – PJ: Yes, absolutely. Understanding the event loop and that’s aimed more towards people from other back ends. Right from the beginning we go over that detail: Here is how it works, we give them examples, and more.

18:08 – Aimee: You can do more than just create APIs.

Aimee mentions Vanilla Node.

18:50 – PJ: To get into frameworks we do a 3-line server. We cover express, and also Sequelize ORM.

19:45 – Advertisement – Sentry.io

20:43 – Chuck: I never used Pug.

20:45 – PJ: PUG used to be called JADE.

20:56 – Aimee.

21:14 – PJ: Express does that for you and I agree with you. I advocate a non-scripted approach, I like when frameworks have a light touch.

22:05 – Aimee: That’s what I liked about it. No offense, Chuck, but for me I didn’t like NOT knowing a lot of what was not happening under the hood. I didn’t want to reinvent the wheel, but I wanted to build at a lower level.

22:40 – PJ: I had the same experience. I wanted to figure out why something wasn’t working.

23:24 – Panel: I had a friend who used Rails...he was cautious to make a switch. This past year he was blown away with how much simpler it was and how fast things were.

24:05 – Aimee: I feel like if you want to learn JavaScript then Node might be easier on the frontend.

24:21 – Chuck: No pun intended.

No, but I agree. I like about Rails is that you had well-understood patterns. But the flipside is that you have abstractions...

To a certain degree: what did I do wrong? And you didn’t follow the pattern properly.

25:57 – Panel: With Node you get a little bit of both. To me it’s a more simple approach, but the downside is that you have 100’s of 1,000’s of modules that almost identical things. When you start reaching out to NPM that...

26:29 – PJ: Yes the module system of NPM is the best/worst thing about NODE. I don’t have an answer, honestly.

There is a great article written that made me turn white. Here is the article!

28:12 – Panel: The same thing happened with the ESLint. That was the very problem that he was describing in the article.

28:50 – PJ: Yep, I put that in the chat there – go ahead and read it! It’s not a problem that’s specific to Node, there are others. It’s the way we do things now.

29:23 – Chuck: We have the NODE Security project. A lot of stuff go into NPM everyday.

29:43 – PJ: We cover those things in the course.

29:53 – Chuck: It’s the reality. Is there a place that people get stuck?

30:00 – PJ answers the question.

30:23 – Aimee.

30:55 – PJ: I am coding very similar to my PHP days.

31:20 – Aimee.

32:02 – PJ: To finish off my point, I hope people don’t loose sight.

32:18 – Aimee.

32:20 – PJ: I am working on a project that has thousands of requests for...

32:53 – Chuck: Anything you WANTED to put into the course, but didn’t have time to?

33:05 – PJ: You can get pretty technical. It’s not an advanced course, and it won’t turn you into a rock star. This is all about confidence building. It’s to understand the fundamentals.

It’s a runtime of 6 hours and 40 minutes – you aren’t just watching a video. You have a transcript, too, running off on the side. You can sit there and type it out w/o leaving – so it’s a very interactive course.

34:26 – Chuck: You get people over the hump. What do you think people need to know to be successful with Node?

34:38 – PJ answers the question.

PJ: I think it’s a lot of practice and the student to go off and be curious on their own terms.

35:13 – Chuck: You talked about callbacks – I am thinking that one is there to manage the other?

35:31 – PJ answers the question.

PJ: You do what works for you – pick your style – do it as long as people can follow you. Take the analogy of building a bridge.

36:53 – Chuck: What are you working on now?

37:00 – PJ: Educational tool called SCHOOL PLANNER launched in Ireland, so teachers can do their lesson planning for the year and being built with Express.

Google Classroom and Google Calendar.

39:01 – PJ talks about Pi and 4wd. See links below.

40:09 – Node can be used all over the place!

40:16  - Chuck: Yes, the same can be said for other languages. Yes, Node is in the same space.

40:31 – PJ: Yep!

40:33 – Chuck: If people want to find you online where can they find you?

40:45 – PJ: Twitter! Blog!

41:04 – Picks!

41:05 – Advertisement – eBook: Get a coder job!

Links:

Sponsors:

Picks:

Aimee

AJ

Charles

PJ




our

JSJ 377: Bringing Maps and Location Into Your Apps with the ArcGIS API for JavaScript with Rene Rubalcava

Sponsors

Panel

  • Aimee Knight

  • AJ O’Neal

  • Charles Max Wood

With Special Guest: Rene Rubalcava

Episode Summary

Rene is a software developer for ESRI and works in spatial and mapping software. ESRI has been around since 1969 and has seen their work explode since they shifted to providing address and location services. Rene talks about how he thinks about location and mapping when building software around it and things that he has to approach in unique ways. The panel discusses some of their past experiences with location software. Some of the most difficult aspects of this software is changing time zones for data and actually mapping the Earth, since it is not flat nor a perfect sphere. Rene talks about the different models used for mapping the Earth.

Most mapping systems use the same algorithm as Google maps, so Rene talks about some of the specific features of ArcGIS, including the ability to finding a point within a polygon. Rene talks about what routing is, its importance, and how it is being optimized with ArcGIS, such as being able to add private streets into a regular street network.

The panel discusses how the prevalence of smartphones has changed mapping and GPS and some of their concerns with privacy and location mapping. One thing ESRI is very careful about is not storing private information. Rene talks about the kinds of things he has seen people doing with the mapping and location data provided by ArcGIS, including a Smart Mapping feature for developers, mapping planets, indoor routing, and 3D models. 

Links

Follow DevChat on Facebook and Twitter

Picks

Rene Rubalcava:

AJ O’Neal:

Aimee Knight:

Charles Max Wood:




our

MJS 117: The Devchat.tv Mission and Journey with Charles Max Wood

Sponsors

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

Host: Charles Max Wood

Episode Summary

Charles talks about his journey as a podcaster and his mission with Devchat.tv. Devchat.tv  is designed to home podcasts that speak to all developer communities. Charles also plans Devchat.tv to host shows for technologies that are on the verge of a breakthrough and will be a lot more widely available in the near future such as Artificial Intelligence (AI), Internet of Things (IoT), Virtual Reality (VR) and Augmented Reality (AR). There are new shows being added continuously to reach out to new communities, some examples of which are: a Data Science show, a DevOps show and an Open Source show. As a kid, Charles would record his own shows on a tape recorder. He was always interested in technology. While studying Computer Engineering at Brigham Young University, he worked in the University's Operations Center. Upon graduation, he started working for Mozy where he was introduced to podcasts. Listen to the show to find out the rest of Charles' story, some of the lessons and tips he learned throughout his journey and the evolution of the shows on Devchat.tv. If there isn't a show for your community and you would like there one to be, reach out to Charles. Also if there was a podcast about a programming related subject that ended abruptly and you would like it to continue, reach out to Charles. Devchat.tv would like to host these podcasts.

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JSJ 396: Publishing Your Book with Jonathan Lee Martin

Jonathan Lee Martin is an instructor and developer. He got his start in teaching at Big Nerd Ranch doing 1-2 week trainings for mid to senior developers, and then transitioned to 16 week courses for career switchers. He also worked for Digital Crafts for a year, and then wanted to focus on building out his own personal teaching brand. One of his first steps toward building his own brand was to publish his book, Functional Design Patterns for Express.js.The inspiration for Jonathan’s book came from his experience teaching career switchers. He wanted to experiment in the classroom with teaching functional programming in a way that would be very approachable and applicable and dispel some of the magic around backend programming, and that became the template for the book. 

Jonathan loves the minimalist nature of Express.js and talks about its many uses. He believes that it knowing design patterns can take you pretty far in programming, and this view is related to his background in Rails. When he was working in Rails taming huge middleware stacks, he discovered that applying design patterns made builds take less time. He talks about other situations where knowing design patterns has helped. Express.js leans towards object oriented style over functional programming, and so it takes to these patterns well. Express.js has its shortcomings, and that’s where Jonathan’s favorite library Koa comes into play. 

The conversation switches back to Jonathan’s book, which is a good way to start learning these higher level concepts. He purposely made it appealing to mid and senior level programmers, but at the same time it does not require a lot of background knowledge. Jonathan talks about his teaching methods that give people a proper appreciation for the tool. Jonathan talks more about why he likes to use Express.js and chose to use it for his book. He cautions that his book is not a book of monads, but rather about being influenced by the idea of composition over inheritance. He talks about the role of middleware in programming. 

The panel asks about Jonathan’s toolchain and approach to writing books, and he explains how his books are set up to show code. They discuss the different forms required when publishing a book such as epub, MOBI, and PDF. Jonathan found it difficult to distribute his book through Amazon, so he talks about how he built his own server. Charles notes that your method of distributing your book will depend on your goal. If you want to make the most money possible, make your own site. If you want to get it into as many hands as possible, get it on Amazon.

Many of the JavaScript Jabber panelists have had experience publishing books, and Jonathan shares that you can reach out to a publisher after you’ve self-published a book and they can get it distributed. Jonathan believes that If he had gone straight to a publisher, he would have gotten overwhelmed and given up on the book, but the step by step process of self-publishing kept things manageable. The panelists discuss difficulties encountered when publishing and editing books, especially with Markdown. Jonathan compares the perks of self-editing to traditional editing. Though he does not plan to opensource his entire editing pipeline, he may make some parts available. The show concludes with the panelists discussing the clout that comes with being a published author. 

Panelists

  • Charles Max Wood

  • Christopher Buecheler 

  • J.C. Hyatt

With special guest: Jonathan Lee Martin

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JSJ 408: Reading Source Code with Carl Mungazi

Carl Mungazi is a frontend developer at Limejump in London. He is a former journalist and switched to programming in 2016. Today the panel is discussing the benefits of reading source code. Carl began reading source code because he came into programming late and from a different field. His first project was with Mithril, and he read the source code and documentation to help him understand it. The panelists discuss how reading the source code has helped them and others to improve their coding. They compare reading and understanding source code to learning a foreign language, and discuss  different methods. 

Carl gives some suggestions for reading source code effectively. He advises people to be patient and step through the code. Accept that you will probably take a wrong path at some point or another, but the more you read, the more you will see patterns in how libraries are structured. He also encourages listeners to approach the authors, as they are often happy to lend a hand. Reading source code is an active approach of stepping through, debugging, putting in break points, checking the stack, and so forth. It’s also important to do outside research. 

Since he has been reading source code, Carl has come to prefer plain JavaScript and libraries with as little code as possible. The panel discusses the benefits of small, simple libraries. Carl gives examples of techniques that he learned from reading a library source code and how he applied it to his own coding style. Reading source code has made him more careful about mixing logic and UI, and now he separates them. He also is more confident in seeing a problem, going to a preexisting library, and just importing the fix for that problem rather than the whole library. Reading source code is really about understanding the code you use in your project. It may slow you down, but you’ll be thankful in the long term because it will help you solve future bugs more efficiently. Carl talks more about his debugging process. He still relies on a debugger, but reading a library helps you to see patterns and guess the output of a function. These patterns persist in other libraries as well. Once you can guess correctly what will happen, you go back to reading the code and find instances where the output is unexpected, and fix it. Carl’s closing thoughts are that through reading source code, he has learned that although code is used differently in each library, they are all written in the same language, and therefore interrelated. This gave him more confidence in reading code because they’re all fundamentally the same. When a bug is discovered, he encourages listeners to look at the source code before googling a solution. 

Panelists

  • AJ O’Neal

  • Dan Shapir

  • Steve Edwards

  • Charles Max Wood

Guest

  • Carl Mungazi

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The MaxCoders Guide To Finding Your Dream Developer Job

"The MaxCoders Guide to Finding Your Dream Developer Job" by Charles Max Wood is available on Amazon. Get your copy here today only for $2.99!




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The MaxCoders Guide To Finding Your Dream Developer Job

"The MaxCoders Guide to Finding Your Dream Developer Job" by Charles Max Wood is available on Amazon. Get your copy here today only for $2.99!




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JSJ 410: Iterating on Open Source

Today the panel is discussing iterating on open source projects. Aimee and AJ recall a conversation they had in the past on this subject and AJ talks about some of his experience iterating with open source. AJ believes that we have an obligation to capture the value of what you create so that we can reinvest and create more value, though he admits that making money in open source is a unique challenge because donations only really work if you have a project that gets billions of downloads a month. As your project grows, it has to change in order to survive, and eventually you will need to get financial support from your project. The panel agrees that some of the main issues with iterating in open source are maintaining the code and getting feedback from users, financial backing, and roadmapping and integrations.

The panel discusses their methods for getting feedback from their users. This feedback is valuable because it can show you things that you missed. They acknowledge that there can be conflicts of interest between those who only use the project and those who financially support it, and you have to make a choice. Unfortunately, someone is probably going to be inconvenienced no matter what choice you make. When making these decisions, you have to consider who it helps, who it frustrates, and who it may cause problems for. The panelists talk about different ways they’ve handled making these decisions in the past. The JavaScript experts talk about the importance of having data on your user base in order to make good choices for your users. They talk about different methods for notifying your users of upcoming changes and how it will affect compatibility, and some of the challenges with communicating with your users. AJ talks about an iteration he thought was a good idea but that a lot of people hated and how he noticed that the new users liked it but the old users did not. They panel agrees that people in general don’t like change. AJ talks about what he learned from this experience. 

Another common issue is integrating with other services. Integrating with cloud services, or at least giving people the option to integrate gives you an opportunity to reach more people and maintain the project long term. AJ gives some final thoughts to close the show, namely that most projects never go anywhere, and that’s ok. If you’ve got something that starts going somewhere, think early on about how you can better serve the community and remember that these people are mostly grateful and semi-willing to support you. He believes that if you are helping people create value, you deserve to see the fruits of your labor. He advises listeners to stay true to your open source ideals, think about your users perspective, and that the earlier you can think about this and make these choices, the better it is for your project


 

Panelists

  • Aimee Knight

  • Steve Edwards

  • AJ O’Neal

  • Charles Max Wood

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