If your bug has a one in a million chance of happening, it'll happen next Friday

If you're overwhelmed by some big complex problem, break it down into small chunks. Focus on each of them individually and then build up your solution. Divide and conquer.

You learn more from "unexpected results" than from getting things right the first time

"The theory behind open source is simple. In the case of an operating system, the source code is free. Anyone can improve it, change it, exploit it. But those improvements, changes, and exploitations have to be made freely available." - Linus Torvalds

The same way musicians practice scales, you should have some exercises to get you up to speed. For example, when I learn a new language, I make sure I implement some algorithms (that I already know) that cover the basics: - Tree traversals - BFS - Mergesort - Etc

7 tips to work more efficiently 1. Have a definition of done for your tasks 2. Define their scope 3. Time estimates are hard 4. Have a rule to decide when to automate a task 5. Work incrementally 6. Premature optimization is the root of all evil 7. Get a rubber duck

Java in 1995 by James Gosling at Sun Microsystems - Originally called Oak - OOP language - Write Once Run Anywhere philosophy - Java applications run on JVMs (machine independent code) - 3 billion devices currently run Java System.out.println("Hello, World!");

"Intelligence is the ability to avoid doing work, yet getting the work done." - Linus Torvalds

ssh 101 - ssh stands for secure shell and is used to securely connect to remote hosts - ssh creates a TCP connection on port 22 - Syntax: ssh username@hostname (or ip address)

Design patterns in 1 tweet There are 3 main types of design patterns - Behavioural. How do objects interact. Ex: Template - Creational. How to create objects. Ex: Builder, Prototype - Structural. How objects are composed to form larger structures. Ex:Adapter, Proxy

Counting sort is applicable when each input is known to belong to a particular set, S, of possibilities.

"Walking on water and developing software from a specification are easy if both are frozen." - Edward V. Berard

5 Random coding tips Modularize your code Improve your communication skills Learn to learn Collaborate cross-team Learn to delegate

If this tweet gets 4,294,967,296 likes, it might cause an integer overflow

"Syntactic sugar causes cancer of the semicolon." - Alan J. Perlis

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Ethereum is considered “the world computer.” Do you know what that means?

6 Common string interview questions 1. Reverse a string 2. Reverse all words in a string 3. Remove duplicates in a string 4. Print all permutations of a string 5. Check if two strings are anagrams 6. Check if a string is a palindrome Try to solve them (easily googable)

Sources of bugs: - Memory allocation char* ptr; cin >> ptr; - Off-by-one int v[5]; for (i=0; i<=5; i++) f(v[i]); - No base case in recursion int fib(int n) { return fib(n-1) + fib(n-2); } - Not updating index in while loop while(i>2){ f(); }

"It's OK to figure out murder mysteries, but you shouldn't need to figure out code. You should be able to read it." - Steve McConnell