Explaining Huffman’s Impossible Pyramid

mathblag.wordpress.com
explaining-huffman’s-impossible-pyramid

I read about Huffman’s Pyramid from the consistently excellent blog Futility Closet. Huffman’s Pyramid is a drawing of a figure that cannot exist. However, the impossibility of this figure is hardly obvious. Here is the reason: if the slanting lines were … Read more

Explaining Ruby Fibers

noteflakes.com

20·10·2021 Fibers have long been a neglected corner of the Ruby core API. Introduced in Ruby version 1.9 as a coroutine abstraction, fibers have never really seemed to realize their promise of lightweight concurrency, and remain relatively little explored. In … Read more

Explaining top(1) on FreeBSD

klarasystems.com
explaining-top(1)-on-freebsd

We all know and have at least once used the top(1) command to track information about our cpu and processes, but how many of you know what each field means? Today we will guide you through each of these fields. By default, top(1) displays … Read more

Explaining why modern 50mm lenses are so damned complicated

dpreview.com
explaining-why-modern-50mm-lenses-are-so-damned-complicated

“,”slides”:null,”currentSlideIndex”:-1,”imageViewerIndex”:null,”slideshowWidth”:590,”slideshowHeight”:442,”disableImageZoomInSlideshow”:false,”fullContent”:”TODO”}); if(typeof BeerSlider == ‘function’) { $(“.beer-slider”). each(function() { new BeerSlider(this); }); } }); Lenses like Nikon’s Z 50mm F1.2 S are bigger, heavier, more costly and more complex than older F1.2 designs. But why? First, some optical history Back … Read more