Prediction 2026
As we have seen the massive development and speed using the AI agent in 2025....
Silent Superpowers
This year felt like the moment when superpowers quietly became available to everyday developers. Not long ago, AI coding helpers were mostly a joke, but then many of us went from laughing at them to using them every day. As these coding tools became p...
AT Tools 2025
2025 was the year when AI coding agent tools took over....
Ancient wisdom - Engineering
...
Ruby begin/end block
In the Ruby programming language, the begin and end keywords serve the purpose of creating block-like control structures. They allow us to group together multiple code statements within a block.
When utilizing lowercase begin/end blocks, we can creat...
Details of a Certificate Signing Request CSR with OpenSSL
in cases where you need to send request to a Certifcate Authority CA to get a Certificate signed,
you will need to provide a Certifcate Signing Request CSR....
Apple push message test using curl and push certs in pem format
To perform push message testing on your local Mac, here's what you need...
Use curl to force tls version for the host
Transport layer securityTLS is a cryptographic protocol designed for secure communication over a computer network.
The primary use of the TLS is encrypting the communication between clients and servers.
For example, A web browser such as Chrome, Edge,...
Basics of systemd
systemd is the system and service manager for modern Linux operating systems. It handles initialization, starts services, and manages system resources efficiently....
Ruby BEGIN and END blocks
In Ruby, the reserved words BEGIN and END are used to execute code at the beginning and end of a Ruby program, respectively. These two keywords are counterparts of each other....
Ruby File Methods
Ever wonder how ruby programm move to different directories and load different files and make sure
that the directories a certiain file is in to load....
Basics of Ruby Arrays
In Ruby, arrays are groups of elements that can include any data type, such as strings, integers, floats, or even other arrays. Understanding arrays enables you to create efficient and clear code. In this article, we will begin exploring arrays gradua...
Ruby Splat Operator
The splat operator in Ruby is a useful tool to handle multiple arguments or elements. It simplifies the handling of variable numbers of arrays, making it versatile....
Good Coding Habit
It is crucial to maintain a clear distinction between refactoring and making changes to a module, feature, or behavior in software development.
Refactoring refers to making changes to the codebase without affecting the external behavior of the softwar...
ruby dev setup for mac
To set up Ruby development on a Mac, there are several steps that need to be followed.
However, if you only want to experiment with Ruby language and don't require multiple versions of Ruby,
you can use Homebrew to install Ruby and explore Ruby's ma...
Feynman Technique
Feynman technique is a way to understand, remember and learn a topic fast....
ruby useful one-liner command line flags
If you're working with Ruby scripting, you may encounter situations where you need to run Ruby code that's saved in a file.
In such scenarios, you can use the ruby filename.rb command to execute the code directly from the command line.
This command ...
JavaScript let vs const
In JavaScript, variables can be declared using three different keywords: var, let, and const.
These keywords have some differences in terms of how they behave and can affect the behaviour of your code....
Parts of a URL
A URL Uniform Resource Locator is the address of a unique resource on the internet....
json testing
Web API building or adding dummy APIs in your application, you would have seen the necessity of
building JSON object or parsing the JSON.
And when you parse a JSON object the object keys should be a specific type ex: String, Symbol in ruby lang.
Today...
dev setup for ubuntu 20.04
setup git and github...
How to do software estimations
Estimating software projects can be challenging, especially for those who are just starting out. It can feel overwhelming to estimate how long it will take to deliver a software feature that is unknown. As a beginner, you may feel pressured to provide...
Use of 'p' and 'span' tag in html
When working with HTML pages, it is important to understand the basic usage of the
How to revert multiple commit in git
There are many situations when you want to revert multiple git commit from your remote/local git repo...
sitemap with nanoc
I use nanochttps://nanoc.ws/ a static site generator for my personal blog.
you can also take a look at the source here githubhttps://github.com/nanoc/nanoc...
ruby-2.6 new features
with the Ruby-2.6 release, you will be enjoying performance improvements and a couple of cool new features. Ruby 2.6 also introduce the initial implementation for JIT just in time compiler to improve the performance of ruby programs....
18 April - 21 April 2019
__What's this all about? Here the background/personal_tracker/2019-04-16-goals_setting_process/__...
Goals setting process
Individuals who want to improve and want to achieve objectives for their betterment will try to follow a systematic process....
how to see directory tree structure in linux
using tree command we can see directories in a tree structure under Linux systems....
mac os xcrun: error: invalid active developer path
This error might come after upgrading the Mac OS....
Homebrew help
Homebrewhttps://brew.sh/ is the package manager for macOS and if you are not using it I personally recommend to use homebrewhttps://brew.sh/....
ruby hash transform_values method
with ruby 2.4.0 onwards we have this special method for the ruby hash.
It is transform_values using this method we can changes the values for a hash without affecting the keys....
Maintain Your Equilibrium
Your first job or You have joined the new workplace. A new project, a new assignment, a new team. New and unfamiliar faces greet you and you try to maintain yourself and thinking you were back in college....
7 Habits to be successful
You should try to give up these habits from your personality. It can help you to achieve the small milestone of success and If you are able to diminish all, your success path will grow with a higher rate....
Simple definition for SSL certificate
SSL certificates are small data files that digitally bind a cryptographic key to organization details....
Invoke a rake task from another rake task
We need to call the rake task invoke method...
search and replace strings in multiple lines in vim
Vim provides a handy command colon s :s substitute for quick search and replace....
How to rename git branches
There might be situations when you want to change your git branch
name to something more meaningful or more relative your current context...
rspec custom matcher
Rspec comes with the flexibility of creating custom matcher as per your programme context....
AWS Region wise availability zones List
The below list is as per on 4th January 2018 for aws ec2 service...
Awesome git commands
Git is confusing and if you are not using with presence mind you could f--k things easily in your daily development 😱...
git stash
sometimes you have to see details what have been stored in you local git stash index. Can we see what changes have we stored in git stash index?...
use gist as syntax highlighter in your blog
I was trying to add some kind of coding syntax highlighter for the blog and I found the Github gist making the syntax highlighting super easy....
use bundler with single file
How to use bundler with a single file?...
security updates for ruby application
Many times while doing/developing the ruby application we all ignore the security checks/updates for our packages/code/modules.
And we don't even realize how quickly time flies from our hand. A lot of ruby gems are released all this time and our curre...
singleton in ruby
What is Singleton?...
Basics of require and module in Nodejs
Node.js usages require as one of the global modules to manage the module dependencies. You can require any module in Nodejs by a simple line of code....
git recent branches help
In most cases, we follow the branching model for any feature or bug fixes for application source.
Like create a branch from master or development and make the changes which are needed and generate a pull request and if your team is validating your cha...
run production database dump in local machine
__Prerequisite: You should have installed postgres database__...
disconnect all Postgres db connections and recreate db
Some time ago I was doing data analysis related to some requirements. To complete this I need to grab the latest production dump and update the staging server with production latest dump....
How to use Time in Rails projects?
You shouldn’t be confused while you use the Ruby 'Time' within your Rails project....
Sorry, you can't use byebug without Readline, Homebrew update error for macOS Sierra
One day suddenly I started seeing a weird issue inside my Rails application....
install git with git bash-completion
Ref: install bash git completionhttps://github.com/bobthecow/git-flow-completion/wiki/Install-Bash-git-completion...
How to do bulk inserts in rails
the most common case you will be doing while bulk inserts in DB via a CSV file data read or some kind of API feed data storage....