Accidentally Quadratic
Neal Gafter writes:I just fixed a bug in the implementation of constant folding in the C# and VB.Net compilers. They used to require O(n^2) space. Now they require O(n) space.The naive approach to implementing string concatenation for an expression such as "S1" + "S2" + "S3" is to recursively...
Accidentally Quadratic
Server-sent events are a standard for web servers to stream a sequence of events to a browser over a single HTTP connection. You can view them as a simpler, unidirectional, alternative to websockets (that doesn’t require support from any middleboxes), or as an optimization over...
Accidentally Quadratic
The ruby parser gem is an implementation of a Ruby parser in Ruby itself, which allows for Ruby code to parse and introspect Ruby code. It’s used in a number of places, but perhaps most prominently by rubocop, a Ruby linter and style checker. In parser versions <= 2.3.0.4, the parser is...
Fred C (W6BSD)
Most Python books or blog posts, teach us that concatenating strings using the + sign is a bad idea. This is true: using + or =+ is a really bad idea. In Python, strings are immutable. This means that every time your assign a new value or you want to increase the size of an existing string, Python...