2008年出版的. Welcome to Ubuntu 7.10 Linux Unleashed! This book covers the free Linux distribution named Ubuntu and includes a fully functional and complete operating system produced by the Ubuntu Community, sponsored by Canonical Software. Ubuntu directly descends from one of the oldest and most revered Linux distributions ever: Debian. Those of you who know nothing about Linux will likely not have heard of Debian; it is enough to know that it is considered to be one of the most stable and secure Linux distributions currently available. Ubuntu benefits directly from many contributions from free software developers across the world. If you are new to Linux, you have made a great decision by choosing this book. Sams Publishing’s Unleashed books offer an in-depth look at their subject, taking in both beginner and advanced users and moving them to a new level of knowledge and expertise. Ubuntu is a fast-changing distribution that can be updated at least twice a year. We have tracked the development of Ubuntu from early on to make sure that the information in this book mirrors closely the development of the distribution. A full copy of Ubuntu is included on the enclosed disc, making it possible for you to install Linux in less than an hour! No longer an upstart, Linux now has an enviable position in today’s modern computing world. It can be found on machines as diverse as mobile phones and wristwatches, all the way up to supercomputers—in fact, Linux currently runs on more than half of the world’s top 500 supercomputers. Do not let the reputation of Linux discourage you, however. Most people who have heard of Linux think that it is found only on servers, looking after websites and email. Nothing could be further from the truth because Linux is making huge inroads in to the desktop market, too. Corporations are realizing the benefits of running a stable and powerful operating system that is easy to maintain and easy to secure. Add to that the hundreds of improvements in usa

考研必备经典教材奥本海姆《信号与系统（第二版）》习题参考答案就是是全英文的

Ethereum represents the gateway to a worldwide, decentralized computing paradigm. This platform enables you to run decentralized applications (DApps) and smart contracts that have no central points of failure or control, integrate with a payment network, and operate on an open blockchain. With this practical guide, Andreas M. Antonopoulos and Gavin Wood provide everything you need to know about building smart contracts and DApps on Ethereum and other virtual-machine blockchains. Discover why IBM, Microsoft, NASDAQ, and hundreds of other organizations are experimenting with Ethereum. This essential guide shows you how to develop the skills necessary to be an innovator in this growing and exciting new industry.

英文版的C++常见疑问解答，非常适合初学者参考阅读，当然需要一点点的英文基础。

ASN.1的编码资料虽然较多，但是说的清楚的太少了。上面三个资料我觉得还不错，其中前两个是ASN.1的官方推荐书籍，很详细，但是太多。最后一个适合了解。个人推荐第二本：ASN1dubuisson.pdf，讲的确实很细。有兴趣的朋友可以和我一起探讨。bigstupidpig@126.com.

An Introduction to the Finite Element Method（全英文） 很经典的书籍，有限元的知识从入门到高阶

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世界所有城市的中文名称、英文名称、及对应的中文拼音名称、经纬度的mysql数据库。非常全

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10万+英文单词数据库，包含单词+英式音标+美式音标+词意解释，mysql版，直接导入数据库即可，可做本地词典数据源，非常全面！！！