Thursday, May 31, 2018

Episode 78: Building and Testing Web Services with Postman

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Building and Testing Web Services with Postman

  • What is a web service and how is it different from a web page?
  • What is REST?
  • Why would someone use a web service if they aren't building a website?
  • How can we make sure a web service is reliable?
  • What is Postman?  
  • What is it like working at Postman? Is Postman hiring?

More info:

Wednesday, May 2, 2018

Episode 77: Julia

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Intro

Classic Computer Science

News/Links

Book of the Show

Tool of the Show

Julia (51:10)

  • Scientific Programming
    • Typically slow interpreter, but very fast instructions
    • Optimized instructions
      • BLAS (Basic Linear Algebra System) library
      • FFTW (Fastest Fourier Transform in the West)
      • OpenMP
    • IDE with plotting, visualization support
      • MATLAB IDE
    • Jupyter/ipython
  • Top Features
    • Async (check episode 41 for details)
    • Native multiprocessor and distributed support
    • Completely free and open source (better than Java)
    • Compiled
    • 2017 Used for scientific calculation that reached 1.54 petaflops
      • C, C++, Fortran are only other high level languages to be used at 1+ petaflops so far

Wednesday, April 4, 2018

Episode 76: Code Documentation

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Intro

How to prepare for System Design & ML Design interviews.

News/Links

Book of the Show

Tool of the Show

  • Jason: iFunny/9GAG
  • Patrick: PUBG Mobile

Code Documentation (52:42)

  • Why Document?
    • More people will read code than write it.
    • Recover context on a piece of code quickly.
    • Avoid unexpected inputs
  • Vanilla code comments
    • At the top
    • At the line
  • Ways to self-document code
    • Function & Variable signatures
    • Extra scope around variables
    • Avoid variable reuse
    • (Sometimes) describe the type in the variable name
  • Generators
    • C/C++/Java
      • Doxygen
      • Javadocs
    • Python
      • Sphinx
    • Javascript
      • JSDoc

Monday, March 5, 2018

Episode 75: Arduino

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Intro

Should working programmers be expected to code in their free time?
https://dev.to/ben/its-perfectly-fine-to-only-code-at-work-dont-let-anyone-tell-you-otherwise--25i3

News/Links

Book of the Show

Tool of the Show

Arduino

  • Overview
    • Open Hardware and Software
    • Board + IDE
  • Software
    • Arduino IDE
    • Wiring / Arduino language
      • Functions
      • The Core
      • C/C++
    • Sketch
      • Setup and Loop
      • Main calls init(), setup(), loop()
  • Processor
    • Originally based on 8-bit Atmel AVR chips
    • Many variants now. Most known are the ones with female headers to support shields 
  • Hardware
    • Hardware libraries
    • Internal
      • ADC
      • PWM
    • Shields
      • Boards that plug into the main board
      • Add extra functionality
      • Communicate using GPIO pins
    • Sensors, Motors, & Displays
      • Communicate over GPIO
      • May require libraries to use effectively
  • Kits & starter packages

Tuesday, January 30, 2018

Episode 74 Cryptocurrency & Smart Contracts With Amy Wan

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Cryptocurrency & Smart Contracts With Amy Wan

  • What is blockchain?
  • What is cryptocurrency?
  • What is a smart contract?
  • What is an ICO?
  • Security vs utility
  • What ICOs have you been most excited about?
  • How do ICO relate to crowdfunding?
  • Any advice for a good crowdfunding campaign?
  • What is it like working at Sagewise?  Are you hiring?

More info:

Catch Amy on Twitter: https://twitter.com/amyywan
Check out Sagewise's website: https://www.sagewise.io/

Tuesday, December 19, 2017

Episode 73: Parallel Computing with Incredibuild

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Parallel Computing with Dori Exterman, CTO of Incredibuild

  •  What is parallel computing and what is the motivation behind it?
  • What problem are people trying to solve by using parallel computing?
  • What are the similarities/differences between parallel computing on a single computer vs multiple?
  • How do you know if parallel computing will help a given problem?
  • How do builds get long?
  • How does it affect the trend of moving towards continuous delivery and DevOps practices?
  • What are general strategies for getting builds faster? 
  • What is it like to work at Incredibuild?  Any job openings?
  • Free trial of Incredibuild: https://www.incredibuild.com/trial_download

Tuesday, November 28, 2017

Episode 72: Internationalization

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Intro

December Prize Give-a-way

News/Links

Book of the Show

Tool of the Show

Internationalization (i18n)

  • Localization (l10n) versus Internationalization (i18n)
  • Things to think about
    • Right-to-left & Bottom-to-top
    • Comma vs period number separators
    • Currency Symbols
    • Dates M/D/Y versus D/M/Y
  • Character Sets
    • ASCII
    • Unicode
      • UTF-8 versus 16 & 32
  • Tools
    • Gettext
    • ICU