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 12Apr 12
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 8Apr 8
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 3Apr 3
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 31Mar 31
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 29Mar 29
Some Coding Challenges: Implementing a Lock.The challenge is to implement a lock in Java by only using synchronized, wait, notify as constructs.Mar 27Mar 27
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 25Mar 25
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 23Mar 23
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 21Mar 21