PinnedPlaying Peg Solitaire in the Browser and having Rust solving it for you.This is a bonus story for everyone who has read my account about algorithmically solving peg solitaire with Rust. In case you missed it…Aug 23, 20221Aug 23, 20221
Some Basic Algebra with Exercises: Part 6.Let us first refresh our minds about some definitions and basic facts around nilpotent elements in a ring.Apr 12, 2024Apr 12, 2024
Some Basic Algebra with Exercises: Part 5.Let us start with some definition to refresh our mind. All of these you may find with more details in any introduction to basic algebra.Apr 8, 2024Apr 8, 2024
Some Basic Algebra with Exercises: Part 4.My hint for the following exercise is the result obtained in the Exercise of this article together with the Cauchy Theorem mentioned at the…Apr 3, 2024Apr 3, 2024
Some Basic Algebra with Exercises: Part 3.Let us summarize sum basic facts about products of groups. Their proofs are either straightforward or can be found in any introduction to…Mar 31, 2024Mar 31, 2024
Some Coding Challenges: Implementing a Countdown Latch.The task is to implement a so called CountdownLatch in Java. It will be initialized with an integer count and provides two methods void…Mar 29, 2024Mar 29, 2024
Some Coding Challenges: Implementing a Lock.The challenge is to implement a lock in Java by only using synchronized, wait, notify as constructs.Mar 27, 2024Mar 27, 2024
Some Coding Challenges: Extract a minimal possible Number from a String.The task is to extract from a given string of digits, by removing a fixed number of elements, a sub-string which constitutes the minimal…Mar 25, 2024Mar 25, 2024
Some Basic Algebra with Exercises: Part 2.In our previous story we have looked at the Index Theorem and the very often referred Lagrange Theorem:Mar 23, 2024Mar 23, 2024
Some Basic Algebra with Exercises: Part 1.This is what is called the Index Theorem in group theory. From this directly follows the very often used Lagrange Theorem:Mar 21, 2024Mar 21, 2024