Guru on Rails

A day a problem solved, a year we become the Pro

Fri 19 Oct 2018

Security Blockchain

We use digital signature a lot nowaday. In order to understand the blockchain technology - it's more likely the design pattern, we have to understand the digital signature. How does it work? Which ...


Wed 17 Oct 2018

Javascript

In this article, I introduce some modern syntaxes of JavaScript. If you are backend developer, you need to know these things if you want to get into MERN Stack. Variable: let & const Read how t...


Wed 17 Oct 2018

Automated testing MERN Stack Javascript

If we are ruby on rails developer, it's pretty cool. Why did I say that? Because as we know, we use Rspec for testing for rails application. And now I'm going to introduce to you the same way of te...


Sun 14 Oct 2018

Javascript MERN Stack

Redis is a database which stores data in RAM so it's pretty fast. However, if server restarted, we will lose data. We use it in cases that we need the speed, storing the data structure in RAM inste...


Thu 11 Oct 2018

Software Architecture

We talk so much about programming. In an ecosystem, there are not only the source code but also the database. We have to admit that the data is very important. Almost the application we are program...


Wed 10 Oct 2018

MERN Stack Javascript Design Patterns

Learning a language programming is pretty simple. People think it's hard just because they don't really understand the "way of coding". We might find that we really understand all of syntaxes but w...


Fri 05 Oct 2018

Software Architecture

coming soon


Fri 05 Oct 2018

Software Architecture

Though we are talking about software design everyday. But which criterion we rely on to evaluate whether it's good or bad design? Sometimes, I felt ridiculous because some people always said that t...


Fri 05 Oct 2018

Javascript

Repository Here. Node.js currently is pretty hot. I can see that there are a lot of companies which are recruiting Node.js developers. Node.js, React.js, Ruby, Python...they are just programming la...


Fri 05 Oct 2018

Algorithms

I'm pretty lazy (lol). I found the best explanation after watching 100 thousand videos. I'm just kidding. This video is easy to understand so that I don't explain any more. This is old algorithm bu...