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Coding, software engineering & #bitcoin technologies. I'll make you a better thinker, not just a better developer | Ex Amazon, Senior DevOps @eBay
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It takes an intelligent person to build something complex It takes a genius to build something simple
When presented with an unreasonable deadline, what is the actual consequence of saying "no," versus the imagined one?
When learning to code, remember that having big goals is great, but Having a big goal != Having the "I'm going to do this for as long as it takes" mentality Consistency beats everything else, every time. Think long term
Relational Databases Available in AWS: - SQL Server - Oracle - MySQL Server - PostgreSQL - Aurora (proprietary) - MariaDB Which one is your favourite?
You'll spend most of your time reading code. Python's syntax makes it easy to write complicated, difficult-to-read, single-line expressions. Consider refactoring them into their own separate functions. Make your code readable.
Student: How long will it take me to master your martial art? Teacher: Ten years Student: But I want to master it faster than that. I will work very hard. I will practice everyday, ten or more hours a day if I have to. How long will it take then? Teacher: 20 years
Use pen and paper or a whiteboard to sketch a solution before you start coding. Unless you are solving a trivial problem, try to come up with different alternatives. Then, try to break your own design
Hash tables implement the insert and contains operations in constant time, depending on: - Load factor - Hash function - Collision resolution method: chaining, probing, ... Rehashing allows a hash table to grow/shrink, improving its load factor
5 Common bit manipulation interview questions 1. Check if an integer is power of two 2. Position of rightmost set bit 3. Add two numbers without using arithmetic operators (+-*/) 4. Like 4., but multiplying 5. Like 4., but dividing Try to solve them (easily googable)
Sometimes I fantasize about finding a job like this, automating it, and then relaxing and collecting the salary.
In a Unix system, what user ID corresponds to root? . . . . . . . . . . . ID = 0
There will be bugs in your codebase. The question is: will fixing these small bugs make a dent? Focus on what will bring the max benefit to your team and customers. The task of solving a few bugs will always be there.
Git shortcuts $ git commit -am "commit message" // -a: any files previously added $ git branch -D [name]// To delete a branch $ git checkout -b [name] // To create a new branch and switch to it
2-choice hashing uses two different hash functions, h1(x) and h2(x), for a hash table.
