Awesome Answers 
Curated list of inspiring and thoughtful answers given on stackoverflow, quora, etc.
TOC
- Algorithms
- Compilers
- Data Structures
- Functional Programming
- Learning to program
- Math
- Programming Languages
- Programming Languages Theory
- Version Control Systems
- Miscellaneous
Algorithms
- Algorithm: Is there a good way of solving a comparison?
- How do you identify edge cases on algorithms? (http://qr.ae/Loah1) (http://programmers.stackexchange.com/a/72779)
- What all basic data structures and algorithms should one learn before starting competitive programming?
- How can I be a guru in algorithms?
- Sorting 1 million 8 digit numbers in 1MB of RAM
- Which hashing algorithm is best for uniqueness and speed?
Compilers
Data Structures
- Are new data structures still being invented in computer science?
- Why is processing a sorted array faster than an unsorted array?
- What are some lesser known but useful data structures?
- What are the underlying data structures used for Redis?
Functional Programming
- What is a good beginning text on functional programming?
- In what ways are the major modern functional languages different from each other?
- What's new in purely functional data structures since Okasaki?
- Can an operating system be written in a functional language?
- Why not be dependently typed?
- What is a monad?
- Learning Lambda Calculus
- Is Category Theory useful for learning functional programming?
- When do you choose functional programming over object oriented? What are the typical problem definitions where functional programming is a better choice?
- Is there a software-engineering methodology for functional programming?
- Why don't monads violate the purely functional nature of languages?
- What is a sum type?
- Why do some people not like OOP and prefer functional programming?
- What do Lisp/Haskell programmers think about Prolog?
- What is (functional) reactive programming?
- What are some myths about functional programming and functional programming languages?
- How can monads in computer science be viewed as special cases of monads in category theory?
- Specification for a Functional Reactive Programming language
- What are some myths about functional programming and functional programming languages?
Learning to program
- How can I become a world-class coder in under three years?
- What should every programmer know about security?
- What are some basic concepts that every engineering student should know?
- What technical details should a programmer of a web application consider before making the site public?
- How does one become a great coder?
- We all hear about how simple programming can be, but what are some truly complex concepts that even experienced programmers struggle with?
Math
- Visually stunning math concepts which are easy to explain
- If floating-point can't represent 0.1, how does parseFloat (".1") equal .1?
Programming Languages
Clojure
- Common programming mistakes for Clojure developers to avoid
- Why would someone learn Clojure?
- Why are Clojure's
letandforboth monads?
C/C++
- The Definitive C++ Book Guide and List
- Can a local variable's memory be accessed outside its scope?
- Why do many C functions have an extra F?
- What are the valid signatures for C's main() function?
Haskell
- Getting started with Haskell
- Update Map in Haskell
- I am building an investment engine for a startup, and my choice for developer wants to code it in Haskell. Is this the right choice? Do enough people know this so if he leaves I can continue without interruption?
- What are some crazy things one can do with monads in Haskell?
- Why do some programmers have difficulty in learning Haskell?
- foldl is tail recursive, so how come foldr runs faster than foldl?
- Does Haskell have tail-recursive optimization?
JavaScript
- How does “this” keyword work within a JavaScript object literal?
- Use of .apply() with 'new' operator. Is this possible?
- Is JavaScript's “new” keyword considered harmful?
- Is JavaScript 's “new” Keyword Considered Harmful (Part 2)?
- JavaScript inheritance and the constructor property
- Inheritence of variable properties
- How does JavaScript .prototype work?
- JavaScript closures vs. anonymous functions
- Why does JavaScript need a style guide?
- Avoid Memory Leak / Usage Javascript
- Perform debounce in React.js
- Comparing two arrays in Javascript
- How does bellard.org/jslinux work?
- Will WebAssembly make Javascript skills more or less valuable in the future?
- Why does ++[[]][+[]]+[+[]] return the string “10”?
- Are functions like map(), reduce() and filter() already optimized for traversing array?
- What are the actual uses of ES6 WeakMap?
PHP
Python
- Why are banks like JP Morgan and Bank of America Merrill Lynch using Python to replace historic legacy systems built in Java/C++?
- What are killer Python tips which could make our coder lives more productive, easier and happier?
- What are some of the best time-saving tips for Python?
- How can I tell if a string repeats itself in Python?
- Python Hidden Features
Ruby
Programming Languages Theory
- What makes a good programming language?
- What is referential transparency?
- Research and open challenges in Programming Language Theory
- Why are there so many programming languages?
- Uses of algebraic structures in theoretical computer science
- What is the difference between the statement "Everything is an object" when said about JavaScript and when said about Ruby?
- Which programming concept do people usually find harder: loops or recursion?
- If you would create a new programming language, what would it look like?
- What is fascinating about dynamically-typed programming languages?
Version Control Systems
Miscellaneous
- Can I parse XHTML with Regex?
- How does a visually impaired computer programmer do programming?
- What are the best examples of software bugs that became features (a.k.a. misbugs)?
- What do the top 1% of software engineers do that the other 99% do not?
- Why is processing a sorted array faster than an unsorted array?
- What are the current fads in computer science, IT and software engineering?
- What is your most productive shortcut with Vim?
- How to become a Hacker?
License
To the extent possible under law, Ju Gonçalves has waived all copyright and related or neighboring rights to this work.