Golang has a big advantage over other languages because it comes with built-in testing features. Unlike Java, where you need external libraries or apps like JUnit, Mockito, or JMeter, Golang provides testing functionalities right from the start. This means developers can easily write and run tests without any extra hassle…

Unit test is really needed for maintain good code quality, and I also use that for testing the query in my project. For testing the database, I choose to use sqlmock package, to help me test that, but I’m having some problems when creating that, because postgres needs different treatment…

There’s an interesting project named Spectre https://spectre.app/ . that handles generating passwords for every site locally. There’re many variations of what the app generates, for example, generating password, login name, or even security answer. By inputting username and master password, we can generate all site passwords that we want, and…

Misbehaving book is written by Richard H. Thaler, famous American economist. He won a nobel prize in 2017 for his research and also contribution in behavioral economic. In this book, he write his journey and become one of founder of Behavioral Economic as a branch of Economy. For me, that…

Problem Description: This question is pretty hard to think about, so I try to see the hints.

Problem Description:

When I’m learning to use PriorityQueue, especially using custom Class / Element (Not like Integer, String, etc), I need to make the custom comparator. So, for the example, I want to use ListNode (linked list data structure), that has this implementation : I want to make PriorityQueue that can…

Challenge description: During a recent red team engagement one of our servers got compromised. Upon completion the red team should have deleted any malicious artifact or persistence mechanism used throughout the project. However, our engineers have found numerous of them left behind. It is therefore believed that there are more…

Challenge description: Are you ready to win lottery? Guess the Random Lotto Numbers. It’s TIME you become a millionaire. We get server.py file, as the logic for this challenge. If you want to try, you can get from here We can run using netcat,. With command : nc [ADDRESS] [PORT] …