RegExrv2.0
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).……【阅读全文】
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).……【阅读全文】
欢迎朋友们予以补充!……【阅读全文】
reshape2 is an R package written by Hadley Wickham that makes it easy to transform data between wide and long formats.……【阅读全文】
GNU datamash is a command-line program which performs basic numeric,textual and statistical operations (e.g. count, sum, min, max, mean, 1st quartile, median, 3rd quarile, IQR, stdev, string coalescing)on input textual data files.……【阅读全文】
Code School teaches web technologies in the comfort of your browser with video lessons, coding challenges, and screencasts. We strive to help you learn by doing.……【阅读全文】
If you want to find a learning resource, you should definitely check out our site, Free Learning Resources. And for those who want to learn a computer language, you should check out these books on reSRC.io or on github. This list initially was a clone of stackoverflow – List of Freely Available Programming Books by George Stocker. Now updated, with dead links gone and new content.……【阅读全文】
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