-
What stuck in my mind after reading The Black Swan (a book)
Recently I’ve felt pretty bored and want to find something interesting to read. My initial plan was not about reading a whole book but rather just some Wikipedia article. But […]
Recent Posts
-
What stuck in my mind after reading The Black Swan (a book)
Recently I’ve felt pretty bored and want to find something interesting to read. My initial plan was not about reading a whole book but rather just some Wikipedia article. But […]
-
Preemptive vs. Cooperative scheduling
In an operation system, multitasking refers to the ability to execute multiple tasks concurrently; there are primarily two different types of multitasking: preemptive and cooperative. These methods are used by […]
-
Finding orders using Topological Sort
Topological sort is a fundamental algorithm to order elements in a directed graph; in this context, elements are often denoted as nodes, and the edges between them represent dependencies. In […]
-
Understanding two’s complement
Have you ever wondered why, in Java and other languages, one byte can only represent to as the maximum value and why cannot we have . There is indeed a […]
-
Implementing the LRU cache
A cache is a component that stores data temporarily so that further requests can be served faster. For example, the search engine might store the result from users’ queries in […]
-
What is Java CLASSPATH?
Classpath is a fundamental concept that has been oblivious to many of us, especially when working with modern IDEs like IntelliJ IDEA; we don’t have to worry much about classpaths […]
-
Things I’ve learned from Effective Java – Part 1
In this series, I want to introduce one of the most-read books in Java programming: Effective Java. For the most part, this book focuses on the most fundamental classes and […]
-
Dependency Injection: The Basic
To start the article, let’s first look at the code below: As we can see, class MonitoringService depends on class NotificationSender to function, and we’ve initialized class NotificationSender directly inside […]
-
Dijkstra’s algorithm to find the shortest path
Let’s imagine you and your best friend live quite far apart, you haven’t seen him for a while, your best friend is organizing a party at his house and you’re […]
-
An Introduction to Term Frequency – Inverse Document Frequency (tf-idf)
tf-idf is one of the most fundamental concepts in information retrieval. It’s the product of 2 statistics, the term frequency (tf), which is the numeric value representing how many times […]
