Dig under the surface and explore Ruby's most advanced feature: a collection of techniques and tricks known as metaprogramming. In this book, you'll learn metaprogramming as an essential component of Ruby and discover the deep, non-obvious details o
由于资源太大，每次只允许我上传60M，所以一共有四个文件 后面三个是在这里： zxing-3.2.0\core\src\test\resources\blackbox ZXing ("zebra crossing") is an open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages. ## Supported Form
