Provides a data.table backend for dplyr. The goal of dtplyr is to allow you to write dplyr code that is automatically translated to the equivalent, but usually much faster, data.table code.
This cookbook contains more than 150 recipes to help scientists, engineers, programmers, and data analysts generate high-quality graphs quickly—without having to comb through all the details of R’s graphing systems. Each recipe tackles a specific problem with a solution you can apply to your own project and includes a discussion of how and why the recipe works.
Coordinate systems have two main jobs: Combine the two position aesthetics to produce a 2d position on the plot. The position aesthetics are called x and y, but they might be better called...
Auf Ihrem Tolino lesen Sie entspannt alle eBooks. Mit einem Root können Sie erweiterte Funktionen freischalten. Lesen Sie in diesem Praxistipp, wie der Root des eBook Readers klappt.
We serve fast and scalable informational images as badges for GitHub, Travis CI, Jenkins, WordPress and many more services. Use them to track the state of your projects, or for promotional purposes.
Julia is my favorite programming language. More than that actually, perhaps I'm a bit of a fanboy. Sometimes, though, the ceaseless celebration of Julia by fans like me can be a bit too much. It papers over legitimate problems in the language, hindering progress.
Official YSlow Open Source Project Website. YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
auch mit externem Editor benutzbar, überwacht Sourcefile und kompiliert bei Änderungen (Design > Auto Compile + View > Hide Editor); Javascript: http://garyhodgson.github.io/openscad.net/
In the 20th Century, meaningful education was all about learning your ABCs. Today, it's centered on Alphas, Betas and C++. Programming skills are becoming ever more important, quickly turning into the core competency for all kinds of 21st Century workers. (tags: informatik programmierung schule)