Hello, The slides and recording of my webinar on Tuesday is now live, thanks to the folks at PostSharp for the quick turnaround! Simplify Localization with Design Pattern Automation from Yan Cui
In the last post, we looked at some inefficiencies with reference types in .Net and perhaps oversold value types a little In any case, now that we’ve made the initial sale and you’re back for more, let’s talk about some pitfalls wrt the use of value types you should be aware of. Specifically let’s focus on cases …
(Update 2015/07/21 : read the next post in this series to learn about the places where implicit boxing happens with value types and how you can prevent them) I chanced upon Sasha Goldshtein’s excellent book, Pro .Net Performance : Optimize Your C# Application, a few years back and I thoroughly enjoyed it. Even though …
Smallest .Net ref type is 12 bytes (or why you should consider using value types) Read More »
The most common issue I have encountered in production are latency/performance related. They can be symptoms of a whole host of underlying causes ranging from AWS network issues (which can also manifest itself in latency/error-rate spikes in any of the AWS services), over-loaded servers to simple GC pauses. Latency issues are inevitable – as much …
This post is part of the F# Advent Calendar in English 2014 project. Check out all the other great posts there! Special thanks to Sergey Tihon for organizing this. A good coding habit is an incredibly powerful tool, it allows us to make good decisions with minimal cognitive effort and can be the difference between …
Seven ineffective coding habits many F# programmers don’t have Read More »
It’s been a busy month, some top quality conferences – Code Mesh, Build Stuff, FuncBy and NDC London – all cramped into the space of 4 weeks. It has been a blast, lots of talks and valuable takeaways, and it was great to hang out with old friends and meet new ones. As soon as …
Problem Consider the following “magic” 3-gon ring, filled with the numbers 1 to 6, and each line adding to nine. Working clockwise, and starting from the group of three with the numerically lowest external node (4,3,2 in this example), each solution can be described uniquely. For example, the above solution can be described by the …
Problem All square roots are periodic when written as continued fractions and can be written in the form: For example, let us consider ?23: If we continue we would get the following expansion: The process can be summarised as follows: It can be seen that the sequence is repeating. For conciseness, we use the notation …
Problem It is well known that if the square root of a natural number is not an integer, then it is irrational. The decimal expansion of such square roots is infinite without any repeating pattern at all. The square root of two is 1.41421356237309504880…, and the digital sum of the first one hundred decimal digits …
Problem Triangle, square, pentagonal, hexagonal, heptagonal, and octagonal numbers are all figurate (polygonal) numbers and are generated by the following formulae: The ordered set of three 4-digit numbers: 8128, 2882, 8281, has three interesting properties. The set is cyclic, in that the last two digits of each number is the first two digits of the …
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