kbeda_add_drill

to do string manipulation using c

VB6实现图片旋转操作，类似PhotoShop中的旋转功能，可进行图片的360度、270度、90度旋转，右侧为结果区，左侧图像可出每一步旋转后的效果，比较简单的VB图像操作例子。

Protel PCB 转SCH全攻略.本文以Protel 99Se提供的4 Port Serial Interface为例进行说明 (Protel PCB to SCH Raiders wide. Protel 99Se paper provided 4 Port Serial Interface as an example to explain)

说明：  通过读入文件，再进行大小写转换，再写出文件，得到转换结果。(By reading in the file, converting the case and writing out the file, the conversion result is obtained.)

说明：  alarm project IOT based using C

说明：  直插式电阻电容封装与尺寸图解(20190724083559)(Direct-plug Resistance Capacitance Packaging and Dimension Diagram (20190724083559))

自动出程序单介绍，详细说明了出powermill网页版程序单的参数设置(Introduction of PowerMILL automatic program list Introduction of PowerMILL automatic program list)

python基础课程；python是一种计算机编程语言。作为一种面向对象的动态类型化语言，它最初被设计用来编写自动脚本（shell）。随着版本的更新和新语言功能的增加，它越来越多地被用于独立的大型项目的开发中。(Python Basic Course; Python is a computer programming language. As an object-oriented dynamic typed language, it was originally designed to write automated scripts (shells). With the updating of versions and the addition of new language functions, it is increasingly used in the development of independent, large-scale projects.)

这是一个的建模的工具，不是原代码，请保留一段时间，-This a modeling tool is not the original source, for a certain period of time, thank you

软件工程的设计和开发文件，由于本人也不知道怎么回事，所以还请读者自己去斟酌，希望对你们有帮助！-software engineering design and development, because I do not know how, therefore, also invited readers to their own discretion, and I hope to have your help!