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软件设计/软件工程 MySQL is the world’s most popular open source database, sporting a barrier of entry low enough to
MySQL is the world’s most popular open source database,
sporting a barrier of entry low enough to attract novice
developers yet powerful enough to power some of the world’s
most popular websites, among them Yahoo!, BBC News, the
U.S. Census Bureau, and Craigslist.
This reference card was cre ...
书籍 Beginning+C+for+Arduino
I can remember buying my first electronic calculator. I was teaching a graduate level statistics course and I
had to have a calculator with a square root function. Back in the late 1960s, that was a pretty high-end
requirement for a calculator. I managed to purchase one at the “educational discount ...
书籍 Propagation Handbook for Wireless Communication
Wireless means different things to different people. For this book, it refers
to the radio systems that provide point-to-point, point-to-multipoint, and
Earth-space communications over transmission links that propagate outside
buildings through the lower atmosphere. Wireless systems are being built
...
源码 python作业
1 使用turtle库绘制一条彩色蟒蛇，要求：
（1）不低于5段；
（2）每段颜色随机产生。
2 使用jieba，wordcloud等库，完成以下功能：
（1）统计一段文本（来源不限，网页、小说等等均可，不低于800字）的词频；
（2）绘制词云。
3 有一段英文文本，其中有单词重复了2次，编写程序检查重复的单 ...
书籍 Deploying+Raspberry+Pi+in+the+Classroom
The Raspberry Pi has become a computing phenomenon. This single-board miniature
computer, first released in February 2012 by the Raspberry Pi Foundation, has grown into
a series of nearly a dozen models that have sold a total of more than 10 million units in
five years.
Inexpensive to buy and to run ...