The LeetCode problem “Meeting Rooms II” requires us to determine the minimum number of meeting rooms needed to accommodate a set of meetings with a given start and end times. For example, if we have meetings scheduled from (0, 30), (5, 10), and (15, 20), we need two meeting rooms…
Trapping Rain Water – 42. LeetCode
To solve the LeetCode problem “Trapping Rain Water”, we’re given an array representing an elevation map, where each element’s value is the height of that point. The goal is to calculate how much water can be trapped between the bars after it rains. Think of each bar as a wall,…
Compare Version Numbers – 165. LeetCode
To solve the Compare Version Numbers problem, we need to compare version strings like “1.0.0 and “1.0.1”. Each string is split by . to represent levels of the version, such as major.minor.patch. Our task is to compare these levels and determine which version is larger or if they are equal….
Scaling Databases with Replication: Balancing Speed, Consistency, and Recovery
Database replication is the process of copying and storing data from one database (primary) to one or more other databases (secondary replicas). It ensures data availability, reliability, and performance across different servers or locations. Replication helps prevent data loss by having backups ready in case of system failure, ensures that…
Unraveling the Magic: Inside MS SQL Server Architecture
If you want to supercharge your SQL Server performance, it’s not just about using the features—it’s about understanding the architecture behind them. While the system is designed to optimize data processes efficiently, the reality is more complex. Factors like how data is structured, indexed, and queried all play a role…
Understanding Internal Data Structures in SQL Server
To truly optimize SQL queries, it’s essential to understand the underlying data structures in SQL Server. The way data is organized and accessed directly impacts query performance. Without a solid grasp of these internal structures, it’s difficult to interpret query execution plans or comprehend the access methods SQL Server uses….
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PriorityQueue in C#: Unlocking the Power of Priority-Based Data Management
We’ve learned about Queues, and discovered that queues are processed First In, First Out (FIFO). Essentially, this means: A priority queue is an abstract data type similar to a regular queue or stack data structure in which each eleemnt additionally has a “priority” associated with it. In a priority queue,…
Mastering HashSet in C#: Efficient Data Storage and Retrieval
A HashSet (sometimes called a “set”) is one the most utilized data structures in LeetCode style interviews and has tremendous power when it comes to optimizing algorithms. Hashsets are popular across all popular languages and fundamental concept to computer science. A set is a collection of distinct objects without duplicated…
Transform Your Data Handling with C# SelectMany
SelectMany in C# is a method used primarily with LINQ (Language-Integrated Query) to project each element of a sequence to an IEnumerable<T> and flatten the resulting sequences into one sequence. In simpler terms, it helps you deal with collections within collections by merging them into a single collection. Here’s a…
