Finalized rename.

2017-02-27 12:17:55 -08:00 · 2017-02-27 12:17:55 -08:00 · a42d48f6ff
parent b0de6485fe
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--- a/README.md
+++ b/README.md
@ -1,28 +1,29 @@
-# Google Interview University
+# Coding Interview University
->**I originally created this as a short to-do list of study topics, but it grew to the large list you see today. Working at 
+>**I originally created this as a short to-do list of study topics for becoming a software engineer, but it grew to the large list you see today. 
-Google was the original motivator, hence the name. [I didn't get an interview at Google](https://googleyasheck.com/i-didnt-get-hired-heres-why/), 
+The items listed here will prepare you well for in an interview at just about any software company, including the giants: Amazon, Facebook, Google or Microsoft.**
 but the repo name lives on, and it would mess up a lot of folks to change it now. The items listed here will prepare you 
 for a career at just about any software company, including the giants: Amazon, Microsoft, Google, and Facebook.**
 >
 > *Best of luck to you!*
 Translations:
 - [中文版本](translations/README-cn.md)
 - translations in progress:
-    - [Español](https://github.com/jwasham/google-interview-university/issues/80)
+    - [Español](https://github.com/jwasham/coding-interview-university/issues/80)
-    - [हिन्दी](https://github.com/jwasham/google-interview-university/issues/81)
+    - [हिन्दी](https://github.com/jwasham/coding-interview-university/issues/81)
-    - [עברית](https://github.com/jwasham/google-interview-university/issues/82)
+    - [עברית](https://github.com/jwasham/coding-interview-university/issues/82)
-    - [Bahasa Indonesia](https://github.com/jwasham/google-interview-university/issues/101)
+    - [Bahasa Indonesia](https://github.com/jwasham/coding-interview-university/issues/101)
-    - [Arabic](https://github.com/jwasham/google-interview-university/issues/98)
+    - [Arabic](https://github.com/jwasham/coding-interview-university/issues/98)
-    - [Vietnamese](https://github.com/jwasham/google-interview-university/issues/92)
+    - [Vietnamese](https://github.com/jwasham/coding-interview-university/issues/92)
-    - [Turkish](https://github.com/jwasham/google-interview-university/issues/90)
+    - [Turkish](https://github.com/jwasham/coding-interview-university/issues/90)
-    - [French](https://github.com/jwasham/google-interview-university/issues/89)
+    - [French](https://github.com/jwasham/coding-interview-university/issues/89)
-    - [Russian](https://github.com/jwasham/google-interview-university/issues/87)
+    - [Russian](https://github.com/jwasham/coding-interview-university/issues/87)
-    - [Ukrainian](https://github.com/jwasham/google-interview-university/issues/106)
+    - [Ukrainian](https://github.com/jwasham/coding-interview-university/issues/106)
-    - [Brazilian Portuguese](https://github.com/jwasham/google-interview-university/issues/113)
+    - [Brazilian Portuguese](https://github.com/jwasham/coding-interview-university/issues/113)
-    - [Korean](https://github.com/jwasham/google-interview-university/issues/118)
+    - [Korean](https://github.com/jwasham/coding-interview-university/issues/118)
-    - [Polish](https://github.com/jwasham/google-interview-university/issues/122)
+    - [Telugu](https://github.com/jwasham/coding-interview-university/issues/117)
    - [Polish](https://github.com/jwasham/coding-interview-university/issues/122)
    - [German](https://github.com/jwasham/coding-interview-university/issues/135)
    - [Urdu](https://github.com/jwasham/coding-interview-university/issues/140)
 ## What is it?
@ -30,21 +31,12 @@ This is my multi-month study plan for going from web developer (self-taught, no
 ![Coding at the whiteboard - from HBO's Silicon Valley](https://dng5l3qzreal6.cloudfront.net/2016/Aug/coding_board_small-1470866369118.jpg)
-You'll see a lot of Google-related items, but I've tried to generalize the list to make it useful for everyone.
+This is meant for **new software engineers** or those switching from 
 This list was extracted and expanded from Google's coaching notes, so these are the things you need to know.
 There are extra items I added at the bottom that may come up in the interview or be helpful in solving a problem. Many items are from
 Steve Yegge's "[Get that job at Google](http://steve-yegge.blogspot.com/2008/03/get-that-job-at-google.html)" and are reflected
 sometimes word-for-word in Google's coaching notes.
 I've pared down what you need to know from what Yegge recommends. I've altered Yegge's requirements 
 from information received from a contact at Google. This is meant for **new software engineers** or those switching from 
 software/web development to software engineering (where computer science knowledge is required). If you have 
 many years of experience and are claiming many years of software engineering experience, expect a harder interview. 
 [Read more here](https://googleyasheck.com/what-you-need-to-know-for-your-google-interview-and-what-you-dont/).
 If you have many years of software/web development experience, note that large software companies like Google, Amazon, 
-Facebook and Microsoft software engineering as different from software/web development, and they require computer science knowledge.
+Facebook and Microsoft view software engineering as different from software/web development, and they require computer science knowledge.
 If you want to be a reliability engineer or systems engineer, study more from the optional list (networking, security).
@ -106,6 +98,11 @@ If you want to be a reliability engineer or systems engineer, study more from th
    - [Scheduling](#scheduling)
    - [Implement system routines](#implement-system-routines)
    - [String searching & manipulations](#string-searching--manipulations)
    - [Tries](#tries)
    - [Floating Point Numbers](#floating-point-numbers)
    - [Unicode](#unicode)
    - [Endianness](#endianness)
 - [Networking](#networking)
 - [System Design, Scalability, Data Handling](#system-design-scalability-data-handling) (if you have 4+ years experience)
 - [Final Review](#final-review)
 - [Coding Question Practice](#coding-question-practice)
@ -121,9 +118,6 @@ If you want to be a reliability engineer or systems engineer, study more from th
 - [Additional Books](#additional-books)
 - [Additional Learning](#additional-learning)
    - [Compilers](#compilers)
    - [Floating Point Numbers](#floating-point-numbers)
    - [Unicode](#unicode)
    - [Endianness](#endianness)
    - [Emacs and vi(m)](#emacs-and-vim)
    - [Unix command line tools](#unix-command-line-tools)
    - [Information theory](#information-theory)
@ -131,18 +125,17 @@ If you want to be a reliability engineer or systems engineer, study more from th
    - [Entropy](#entropy)
    - [Cryptography](#cryptography)
    - [Compression](#compression)
    - [Networking](#networking) (if you have networking experience or want to be a systems engineer, expect questions)
    - [Computer Security](#computer-security)
    - [Garbage collection](#garbage-collection)
    - [Parallel Programming](#parallel-programming)
    - [Messaging, Serialization, and Queueing Systems](#messaging-serialization-and-queueing-systems)
    - [A*](#a)
    - [Fast Fourier Transform](#fast-fourier-transform)
    - [Bloom Filter](#bloom-filter)
    - [HyperLogLog](#hyperloglog)
    - [Locality-Sensitive Hashing](#locality-sensitive-hashing)
    - [van Emde Boas Trees](#van-emde-boas-trees)
    - [Augmented Data Structures](#augmented-data-structures)
    - [Tries](#tries)
    - [N-ary (K-ary, M-ary) trees](#n-ary-k-ary-m-ary-trees)
    - [Balanced search trees](#balanced-search-trees)
        - AVL trees
@ -162,7 +155,6 @@ If you want to be a reliability engineer or systems engineer, study more from th
    - [Geometry, Convex hull](#geometry-convex-hull)
    - [Discrete math](#discrete-math)
    - [Machine Learning](#machine-learning)
    - [Go](#go)
 - [Additional Detail on Some Subjects](#additional-detail-on-some-subjects)
 - [Video Series](#video-series)
 - [Computer Science Courses](#computer-science-courses)
@ -193,7 +185,7 @@ I'm using Github's special markdown flavor, including tasks lists to check progr
 `git checkout -b progress`
-`git remote add jwasham https://github.com/jwasham/google-interview-university`
+`git remote add jwasham https://github.com/jwasham/coding-interview-university`
 `git fetch --all`
@ -232,7 +224,7 @@ Sometimes the classes are not in session so you have to wait a couple of months,
    - [ ] [Gayle L McDowell - Cracking The Coding Interview (video)](https://www.youtube.com/watch?v=rEJzOhC5ZtQ)
    - [ ] [Cracking the Coding Interview with Author Gayle Laakmann McDowell (video)](https://www.youtube.com/watch?v=aClxtDcdpsQ)
 - [ ] How to Get a Job at the Big 4:
-    - [ ] ['How to Get a Job at the Big 4 - Amazon, Facebook, Google & Microsoft' (video)](https://www.youtube.com/watch?v=YJZCUhxNCv8)
+    - [ ] [How to Get a Job at the Big 4 - Amazon, Facebook, Google & Microsoft (video)](https://www.youtube.com/watch?v=YJZCUhxNCv8)
 - [ ] Prep Course:
    - [ ] [Software Engineer Interview Unleashed (paid course)](https://www.udemy.com/software-engineer-interview-unleashed):
@ -269,18 +261,15 @@ This is a shorter list than what I used. This is abbreviated to save you time.
 - [ ] [Programming Interviews Exposed: Secrets to Landing Your Next Job, 2nd Edition](http://www.wiley.com/WileyCDA/WileyTitle/productCd-047012167X.html)
    - answers in C++ and Java
    - recommended in Google candidate coaching
    - this is a good warm-up for Cracking the Coding Interview
    - not too difficult, most problems may be easier than what you'll see in an interview (from what I've read)
 - [ ] [Cracking the Coding Interview, 6th Edition](http://www.amazon.com/Cracking-Coding-Interview-6th-Programming/dp/0984782850/)
    - answers in Java
    - recommended on the [Google Careers site](https://www.google.com/about/careers/how-we-hire/interview/)
 If you have tons of extra time:
- [ ] [Elements of Programming Interviews](https://www.amazon.com/Elements-Programming-Interviews-Insiders-Guide/dp/1479274836)
+- [ ] [Elements of Programming Interviews (C++ version)](https://www.amazon.com/Elements-Programming-Interviews-Insiders-Guide/dp/1479274836)    
-    - all code is in C++, very good if you're looking to use C++ in your interview
+- [ ] [Elements of Programming Interviews (Java version)](https://www.amazon.com/Elements-Programming-Interviews-Java-Insiders/dp/1517435803/)
    - a good book on problem solving in general.
 ### Computer Architecture
@ -366,12 +355,6 @@ OR:
        - algorithm catalog:
            - this is the real reason you buy this book.
            - about to get to this part. Will update here once I've made my way through it.
    - To quote Yegge: "More than any other book it helped me understand just how astonishingly commonplace
        (and important) graph problems are – they should be part of every working programmer's toolkit. The book also
        covers basic data structures and sorting algorithms, which is a nice bonus. But the gold mine is the second half
        of the book, which is a sort of encyclopedia of 1-pagers on zillions of useful problems and various ways to solve
        them, without too much detail. Almost every 1-pager has a simple picture, making it easy to remember. This is a
        great way to learn how to identify hundreds of problem types."
    - Can rent it on kindle
    - Half.com is a great resource for textbooks at good prices.
    - Answers:
@ -381,7 +364,6 @@ OR:
 - [ ] [Introduction to Algorithms](https://www.amazon.com/Introduction-Algorithms-3rd-MIT-Press/dp/0262033844)
    - **Important:** Reading this book will only have limited value. This book is a great review of algorithms and data structures, but won't teach you how to write good code. You have to be able to code a decent solution efficiently.
    - To quote Yegge: "But if you want to come into your interviews *prepped*, then consider deferring your application until you've made your way through that book."
    - Half.com is a great resource for textbooks at good prices.
    - aka CLR, sometimes CLRS, because Stein was late to the game
@ -407,7 +389,7 @@ through my notes and making flashcards so I could review.
 Read please so you won't make my mistakes:
-[Retaining Computer Science Knowledge](https://googleyasheck.com/retaining-computer-science-knowledge/)
+[Retaining Computer Science Knowledge](https://startupnextdoor.com/retaining-computer-science-knowledge/)
 ### 2. Use Flashcards
@ -445,8 +427,7 @@ There are a lot of distractions that can take up valuable time. Focus and concen
 ## What you won't see covered
-This big list all started as a personal to-do list made from Google interview coaching notes. These are prevalent
+These are prevalent technologies but not part of this study plan:
 technologies but were not mentioned in those notes:
 - SQL
 - Javascript
@ -656,7 +637,7 @@ Write code on a whiteboard or paper, not a computer. Test with some sample input
        - binary search using recursion
 - ### Bitwise operations
-    - [ ] [Bits cheat sheet](https://github.com/jwasham/google-interview-university/blob/master/extras/cheat%20sheets/bits-cheat-cheet.pdf) - you should know many of the powers of 2 from (2^1 to 2^16 and 2^32)
+    - [ ] [Bits cheat sheet](https://github.com/jwasham/coding-interview-university/blob/master/extras/cheat%20sheets/bits-cheat-cheet.pdf) - you should know many of the powers of 2 from (2^1 to 2^16 and 2^32)
    - [ ] Get a really good understanding of manipulating bits with: &, |, ^, ~, >>, <<
        - [ ] [words](https://en.wikipedia.org/wiki/Word_(computer_architecture))
        - [ ] Good intro:
@ -843,11 +824,12 @@ If you need more detail on this subject, see "Sorting" section in [Additional De
 Graphs can be used to represent many problems in computer science, so this section is long, like trees and sorting were.
- Notes from Yegge:
+- Notes:
-    - There are three basic ways to represent a graph in memory:
+    - There are 4 basic ways to represent a graph in memory:
        - objects and pointers
-        - matrix
+        - adjacency matrix
        - adjacency list
        - adjacency map
    - Familiarize yourself with each representation and its pros & cons
    - BFS and DFS - know their computational complexity, their tradeoffs, and how to implement them in real code
    - When asked a question, look for a graph-based solution first, then move on if none.
@ -878,13 +860,6 @@ Graphs can be used to represent many problems in computer science, so this secti
 - Full Coursera Course:
    - [ ] [Algorithms on Graphs (video)](https://www.coursera.org/learn/algorithms-on-graphs/home/welcome)
 - Yegge: If you get a chance, try to study up on fancier algorithms:
    - [ ] Dijkstra's algorithm - see above - 6.006
    - [ ] A*
        - [ ] [A Search Algorithm](https://en.wikipedia.org/wiki/A*_search_algorithm)
        - [ ] [A* Pathfinding Tutorial (video)](https://www.youtube.com/watch?v=KNXfSOx4eEE)
        - [ ] [A* Pathfinding (E01: algorithm explanation) (video)](https://www.youtube.com/watch?v=-L-WgKMFuhE)
 - I'll implement:
    - [ ] DFS with adjacency list (recursive)
    - [ ] DFS with adjacency list (iterative with stack)
@ -917,7 +892,6 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
        - [ ] [Tail Recursion (video)](https://www.youtube.com/watch?v=L1jjXGfxozc)
 - ### Dynamic Programming
    - **NOTE:** DP is a valuable technique, but it is not mentioned on any of the prep material Google provides. But you could get a problem where DP provides an optimal solution. So I'm including it.
    - This subject can be pretty difficult, as each DP soluble problem must be defined as a recursion relation, and coming up with it can be tricky.
    - I suggest looking at many examples of DP problems until you have a solid understanding of the pattern involved.
    - [ ] Videos:
@ -1069,11 +1043,10 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
        - [ ] [Mutex in Python](https://www.youtube.com/watch?v=0zaPs8OtyKY)
 - ### Papers
    - These are Google papers and well-known papers.
    - Reading all from end to end with full comprehension will likely take more time than you have. I recommend being selective on papers and their sections.
    - [Love classic papers?](https://www.cs.cmu.edu/~crary/819-f09/)
    - [ ] [1978: Communicating Sequential Processes](http://spinroot.com/courses/summer/Papers/hoare_1978.pdf)
        - [implemented in Go](https://godoc.org/github.com/thomas11/csp)
        - [Love classic papers?](https://www.cs.cmu.edu/~crary/819-f09/)
    - [ ] [2003: The Google File System](http://static.googleusercontent.com/media/research.google.com/en//archive/gfs-sosp2003.pdf)
        - replaced by Colossus in 2012
    - [ ] [2004: MapReduce: Simplified Data Processing on Large Clusters]( http://static.googleusercontent.com/media/research.google.com/en//archive/mapreduce-osdi04.pdf)
@ -1081,7 +1054,9 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
    - [ ] [2006: Bigtable: A Distributed Storage System for Structured Data](https://static.googleusercontent.com/media/research.google.com/en//archive/bigtable-osdi06.pdf)
        - [An Inside Look at Google BigQuery](https://cloud.google.com/files/BigQueryTechnicalWP.pdf)
    - [ ] [2006: The Chubby Lock Service for Loosely-Coupled Distributed Systems](https://research.google.com/archive/chubby-osdi06.pdf)
-    - [ ] [2007: What Every Programmer Should Know About Memory (very long, and the author encourages skipping of some sections)](https://www.akkadia.org/drepper/cpumemory.pdf)
+    - [ ] [2007: Dynamo: Amazon’s Highly Available Key-value Store](https://www.akkadia.org/drepper/cpumemory.pdf)
        - The Dynamo paper kicked off the NoSQL revolution
    - [ ] [2007: What Every Programmer Should Know About Memory (very long, and the author encourages skipping of some sections)](http://s3.amazonaws.com/AllThingsDistributed/sosp/amazon-dynamo-sosp2007.pdf)
    - [ ] [2010: Dapper, a Large-Scale Distributed Systems Tracing Infrastructure](https://research.google.com/pubs/archive/36356.pdf)
    - [ ] [2010: Dremel: Interactive Analysis of Web-Scale Datasets](https://static.googleusercontent.com/media/research.google.com/en//pubs/archive/36632.pdf)
    - [ ] [2012: Google's Colossus](https://www.wired.com/2012/07/google-colossus/)
@ -1138,14 +1113,62 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
    If you need more detail on this subject, see "String Matching" section in [Additional Detail on Some Subjects](#additional-detail-on-some-subjects)
---
+- ### Tries
    - Note there are different kinds of tries. Some have prefixes, some don't, and some use string instead of bits
        to track the path.
    - I read through code, but will not implement.
    - [ ] [Sedgewick - Tries (3 videos)](https://www.youtube.com/playlist?list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ)
        - [ ] [1. R Way Tries](https://www.youtube.com/watch?v=buq2bn8x3Vo&index=3&list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ)
        - [ ] [2. Ternary Search Tries](https://www.youtube.com/watch?v=LelV-kkYMIg&index=2&list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ)
        - [ ] [3. Character Based Operations](https://www.youtube.com/watch?v=00YaFPcC65g&list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ&index=1)
    - [ ] [Notes on Data Structures and Programming Techniques](http://www.cs.yale.edu/homes/aspnes/classes/223/notes.html#Tries)
    - [ ] Short course videos:
        - [ ] [Introduction To Tries (video)](https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/08Xyf/core-introduction-to-tries)
        - [ ] [Performance Of Tries (video)](https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/PvlZW/core-performance-of-tries)
        - [ ] [Implementing A Trie (video)](https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/DFvd3/core-implementing-a-trie)
    - [ ] [The Trie: A Neglected Data Structure](https://www.toptal.com/java/the-trie-a-neglected-data-structure)
    - [ ] [TopCoder - Using Tries](https://www.topcoder.com/community/data-science/data-science-tutorials/using-tries/)
    - [ ] [Stanford Lecture (real world use case) (video)](https://www.youtube.com/watch?v=TJ8SkcUSdbU)
    - [ ] [MIT, Advanced Data Structures, Strings (can get pretty obscure about halfway through)](https://www.youtube.com/watch?v=NinWEPPrkDQ&index=16&list=PLUl4u3cNGP61hsJNdULdudlRL493b-XZf)
 - ### Floating Point Numbers
    - [ ] simple 8-bit: [Representation of Floating Point Numbers - 1 (video - there is an error in calculations - see video description)](https://www.youtube.com/watch?v=ji3SfClm8TU)
    - [ ] 32 bit: [IEEE754 32-bit floating point binary (video)](https://www.youtube.com/watch?v=50ZYcZebIec)
 - ### Unicode
    - [ ] [The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets]( http://www.joelonsoftware.com/articles/Unicode.html)
    - [ ] [What Every Programmer Absolutely, Positively Needs To Know About Encodings And Character Sets To Work With Text](http://kunststube.net/encoding/)
 - ### Endianness
    - [ ] [Big And Little Endian](https://www.cs.umd.edu/class/sum2003/cmsc311/Notes/Data/endian.html)
    - [ ] [Big Endian Vs Little Endian (video)](https://www.youtube.com/watch?v=JrNF0KRAlyo)
    - [ ] [Big And Little Endian Inside/Out (video)](https://www.youtube.com/watch?v=oBSuXP-1Tc0)
        - Very technical talk for kernel devs. Don't worry if most is over your head.
        - The first half is enough.
 - ### Networking
    - **if you have networking experience or want to be a systems engineer, expect questions**
    - otherwise, this is just good to know
    - [ ] [Khan Academy](https://www.khanacademy.org/computing/computer-science/internet-intro)
    - [ ] [UDP and TCP: Comparison of Transport Protocols](https://www.youtube.com/watch?v=Vdc8TCESIg8)
    - [ ] [TCP/IP and the OSI Model Explained!](https://www.youtube.com/watch?v=e5DEVa9eSN0)
    - [ ] [Packet Transmission across the Internet. Networking & TCP/IP tutorial.](https://www.youtube.com/watch?v=nomyRJehhnM)
    - [ ] [HTTP](https://www.youtube.com/watch?v=WGJrLqtX7As)
    - [ ] [SSL and HTTPS](https://www.youtube.com/watch?v=S2iBR2ZlZf0)
    - [ ] [SSL/TLS](https://www.youtube.com/watch?v=Rp3iZUvXWlM)
    - [ ] [HTTP 2.0](https://www.youtube.com/watch?v=E9FxNzv1Tr8)
    - [ ] [Video Series (21 videos)](https://www.youtube.com/playlist?list=PLEbnTDJUr_IegfoqO4iPnPYQui46QqT0j)
    - [ ] [Subnetting Demystified - Part 5 CIDR Notation](https://www.youtube.com/watch?v=t5xYI0jzOf4)
    - [ ] Sockets:
        - [ ] [Java - Sockets - Introduction (video)](https://www.youtube.com/watch?v=6G_W54zuadg&t=6s)
        - [ ] [Socket Programming (video)](https://www.youtube.com/watch?v=G75vN2mnJeQ)
 ## System Design, Scalability, Data Handling
 - **You can expect system design questions if you have 4+ years of experience.**
 - Scalability and System Design are very large topics with many topics and resources, since 
      there is a lot to consider when designing a software/hardware system that can scale. 
      Expect to spend quite a bit of time on this.
- Considerations from Yegge:
+- Considerations:
    - scalability
        - Distill large data sets to single values
        - Transform one data set to another
@ -1234,7 +1257,7 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
    - For even more, see "Mining Massive Datasets" video series in the Video Series section.
 - [ ] Practicing the system design process: Here are some ideas to try working through on paper, each with some documentation on how it was handled in the real world:
    - review: [System Design from HiredInTech](http://www.hiredintech.com/system-design/)
-    - [cheat sheet](https://github.com/jwasham/google-interview-university/blob/master/extras/cheat%20sheets/system-design.pdf)
+    - [cheat sheet](https://github.com/jwasham/coding-interview-university/blob/master/extras/cheat%20sheets/system-design.pdf)
    - flow:
        1. Understand the problem and scope:
            - define the use cases, with interviewer's help
@ -1322,8 +1345,6 @@ There is a great intro for methodical, communicative problem solving in an inter
 interview books, too, but I found this outstanding:
 [Algorithm design canvas](http://www.hiredintech.com/algorithm-design/)
 [My Process for Coding Interview (Book) Exercises](https://googleyasheck.com/my-process-for-coding-interview-exercises/)
 No whiteboard at home? That makes sense. I'm a weirdo and have a big whiteboard. Instead of a whiteboard, pick up a
 large drawing pad from an art store. You can sit on the couch and practice. This is my "sofa whiteboard".
 I added the pen in the photo for scale. If you use a pen, you'll wish you could erase. Gets messy quick.
@ -1383,7 +1404,6 @@ Mock Interviews:
 ## Your Resume
 - [Ten Tips for a (Slightly) Less Awful Resume](http://steve-yegge.blogspot.co.uk/2007_09_01_archive.html)
 - See Resume prep items in Cracking The Coding Interview and back of Programming Interviews Exposed
@ -1457,29 +1477,17 @@ You're never really done.
 ## Additional Learning
 These topics will likely not come up in an interview, but I added them to help you become a well-rounded 
 software engineer, and to be aware of certain technologies and algorithms, so you'll have a bigger toolbox.
 - ### Compilers
    - [ ] [How a Compiler Works in ~1 minute (video)](https://www.youtube.com/watch?v=IhC7sdYe-Jg)
    - [ ] [Harvard CS50 - Compilers (video)](https://www.youtube.com/watch?v=CSZLNYF4Klo)
    - [ ] [C++ (video)](https://www.youtube.com/watch?v=twodd1KFfGk)
    - [ ] [Understanding Compiler Optimization (C++) (video)](https://www.youtube.com/watch?v=FnGCDLhaxKU)
 - ### Floating Point Numbers
    - [ ] simple 8-bit: [Representation of Floating Point Numbers - 1 (video - there is an error in calculations - see video description)](https://www.youtube.com/watch?v=ji3SfClm8TU)
    - [ ] 32 bit: [IEEE754 32-bit floating point binary (video)](https://www.youtube.com/watch?v=50ZYcZebIec)
 - ### Unicode
    - [ ] [The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets]( http://www.joelonsoftware.com/articles/Unicode.html)
    - [ ] [What Every Programmer Absolutely, Positively Needs To Know About Encodings And Character Sets To Work With Text](http://kunststube.net/encoding/)
 - ### Endianness
    - [ ] [Big And Little Endian](https://www.cs.umd.edu/class/sum2003/cmsc311/Notes/Data/endian.html)
    - [ ] [Big Endian Vs Little Endian (video)](https://www.youtube.com/watch?v=JrNF0KRAlyo)
    - [ ] [Big And Little Endian Inside/Out (video)](https://www.youtube.com/watch?v=oBSuXP-1Tc0)
        - Very technical talk for kernel devs. Don't worry if most is over your head.
        - The first half is enough.
 - ### Emacs and vi(m)
-    - suggested by Yegge, from an old Amazon recruiting post: Familiarize yourself with a unix-based code editor
+    - Familiarize yourself with a unix-based code editor
    - vi(m):
        - [Editing With vim 01 - Installation, Setup, and The Modes (video)](https://www.youtube.com/watch?v=5givLEMcINQ&index=1&list=PL13bz4SHGmRxlZVmWQ9DvXo1fEg4UdGkr)
        - [VIM Adventures](http://vim-adventures.com/)
@ -1500,7 +1508,7 @@ You're never really done.
        - [(maybe) Org Mode In Depth: Managing Structure (video)](https://www.youtube.com/watch?v=nsGYet02bEk)
 - ### Unix command line tools
-    - suggested by Yegge, from an old Amazon recruiting post. I filled in the list below from good tools.
+    - I filled in the list below from good tools.
    - [ ] bash
    - [ ] cat
    - [ ] grep
@ -1553,23 +1561,6 @@ You're never really done.
    - [ ] [Compressor Head videos](https://www.youtube.com/playlist?list=PLOU2XLYxmsIJGErt5rrCqaSGTMyyqNt2H)
    - [ ] [(optional) Google Developers Live: GZIP is not enough!](https://www.youtube.com/watch?v=whGwm0Lky2s)
 - ### Networking
    - **if you have networking experience or want to be a systems engineer, expect questions**
    - otherwise, this is just good to know
    - [ ] [Khan Academy](https://www.khanacademy.org/computing/computer-science/internet-intro)
    - [ ] [UDP and TCP: Comparison of Transport Protocols](https://www.youtube.com/watch?v=Vdc8TCESIg8)
    - [ ] [TCP/IP and the OSI Model Explained!](https://www.youtube.com/watch?v=e5DEVa9eSN0)
    - [ ] [Packet Transmission across the Internet. Networking & TCP/IP tutorial.](https://www.youtube.com/watch?v=nomyRJehhnM)
    - [ ] [HTTP](https://www.youtube.com/watch?v=WGJrLqtX7As)
    - [ ] [SSL and HTTPS](https://www.youtube.com/watch?v=S2iBR2ZlZf0)
    - [ ] [SSL/TLS](https://www.youtube.com/watch?v=Rp3iZUvXWlM)
    - [ ] [HTTP 2.0](https://www.youtube.com/watch?v=E9FxNzv1Tr8)
    - [ ] [Video Series (21 videos)](https://www.youtube.com/playlist?list=PLEbnTDJUr_IegfoqO4iPnPYQui46QqT0j)
    - [ ] [Subnetting Demystified - Part 5 CIDR Notation](https://www.youtube.com/watch?v=t5xYI0jzOf4)
    - [ ] Sockets:
        - [ ] [Java - Sockets - Introduction (video)](https://www.youtube.com/watch?v=6G_W54zuadg&t=6s)
        - [ ] [Socket Programming (video)](https://www.youtube.com/watch?v=G75vN2mnJeQ)
 - ### Computer Security
    - [MIT (23 videos)](https://www.youtube.com/playlist?list=PLUl4u3cNGP62K2DjQLRxDNRi0z2IRWnNh)
        - [ ] [Introduction, Threat Models](https://www.youtube.com/watch?v=GqmQg-cszw4&index=1&list=PLUl4u3cNGP62K2DjQLRxDNRi0z2IRWnNh)
@ -1618,6 +1609,11 @@ You're never really done.
    - [ ] [MessagePack](http://msgpack.org/index.html)
    - [ ] [Avro](https://avro.apache.org/)
 - ### A*
    - [ ] [A Search Algorithm](https://en.wikipedia.org/wiki/A*_search_algorithm)
    - [ ] [A* Pathfinding Tutorial (video)](https://www.youtube.com/watch?v=KNXfSOx4eEE)
    - [ ] [A* Pathfinding (E01: algorithm explanation) (video)](https://www.youtube.com/watch?v=-L-WgKMFuhE)
 - ### Fast Fourier Transform
    - [ ] [An Interactive Guide To The Fourier Transform](https://betterexplained.com/articles/an-interactive-guide-to-the-fourier-transform/)
    - [ ] [What is a Fourier transform? What is it used for?](http://www.askamathematician.com/2012/09/q-what-is-a-fourier-transform-what-is-it-used-for/)
@ -1647,24 +1643,6 @@ You're never really done.
 - ### Augmented Data Structures
    - [ ] [CS 61B Lecture 39: Augmenting Data Structures](https://youtu.be/zksIj9O8_jc?list=PL4BBB74C7D2A1049C&t=950)
 - ### Tries
    - Note there are different kinds of tries. Some have prefixes, some don't, and some use string instead of bits
        to track the path.
    - I read through code, but will not implement.
    - [ ] [Sedgewick - Tries (3 videos)](https://www.youtube.com/playlist?list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ)
        - [ ] [1. R Way Tries](https://www.youtube.com/watch?v=buq2bn8x3Vo&index=3&list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ)
        - [ ] [2. Ternary Search Tries](https://www.youtube.com/watch?v=LelV-kkYMIg&index=2&list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ)
        - [ ] [3. Character Based Operations](https://www.youtube.com/watch?v=00YaFPcC65g&list=PLe-ggMe31CTe9IyG9MB8vt5xUJeYgOYRQ&index=1)
    - [ ] [Notes on Data Structures and Programming Techniques](http://www.cs.yale.edu/homes/aspnes/classes/223/notes.html#Tries)
    - [ ] Short course videos:
        - [ ] [Introduction To Tries (video)](https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/08Xyf/core-introduction-to-tries)
        - [ ] [Performance Of Tries (video)](https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/PvlZW/core-performance-of-tries)
        - [ ] [Implementing A Trie (video)](https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/DFvd3/core-implementing-a-trie)
    - [ ] [The Trie: A Neglected Data Structure](https://www.toptal.com/java/the-trie-a-neglected-data-structure)
    - [ ] [TopCoder - Using Tries](https://www.topcoder.com/community/data-science/data-science-tutorials/using-tries/)
    - [ ] [Stanford Lecture (real world use case) (video)](https://www.youtube.com/watch?v=TJ8SkcUSdbU)
    - [ ] [MIT, Advanced Data Structures, Strings (can get pretty obscure about halfway through)](https://www.youtube.com/watch?v=NinWEPPrkDQ&index=16&list=PLUl4u3cNGP61hsJNdULdudlRL493b-XZf)
 - ### Balanced search trees
    - Know least one type of balanced binary tree (and know how it's implemented):
    - "Among balanced search trees, AVL and 2/3 trees are now passé, and red-black trees seem to be more popular.
@ -1827,16 +1805,6 @@ You're never really done.
        - [Machine Learning for Software Engineers](https://github.com/ZuzooVn/machine-learning-for-software-engineers)
        - Data School: http://www.dataschool.io/
 - ### Go
    - [ ] Videos:
        - [ ] [Why Learn Go?](https://www.youtube.com/watch?v=FTl0tl9BGdc)
        - [ ] [Go Programming](https://www.youtube.com/watch?v=CF9S4QZuV30)
        - [ ] [A Tour of Go](https://www.youtube.com/watch?v=ytEkHepK08c)
    - [ ] Books:
        - [ ] [An Introduction to Programming in Go (read free online)](https://www.golang-book.com/books/intro)
        - [ ] [The Go Programming Language (Donovan & Kernighan)](https://www.amazon.com/Programming-Language-Addison-Wesley-Professional-Computing/dp/0134190440)
    - [ ] [Bootcamp](https://www.golang-book.com/guides/bootcamp)
 --
 ## Additional Detail on Some Subjects
--- a/extras/future-googler-preview.png
+++ b/extras/future-googler-preview.png
--- a/extras/future-googler.pdf
+++ b/extras/future-googler.pdf