c# API使用自定义纸张 先要set一下，然后在get一下就可以使用...

平面有限元计算源程序-plane FEM source

本代码为本人用8PS538 8脚单片机写的7彩渐变程序，渐变过程很缓和，渐变时间为3秒，有不懂QQ：1063754468(I used this code for 8PS538 8-pin single-chip color gradient 7 written procedures, a gradual process is very relaxed, and gradually the time was 3 seconds, there do not QQ: 1063754468)

Calculation multifractal detrended fluctuation analysis matlab program, Application of small area variance comparison, simple procedures, Undergraduate complete set requirements refer to the standard test models.

残缺棋盘问题的VC++实现，用分而治之方法解决此问题(Defective chessboard problem VC++ Realize, using divide and conquer method to solve this problem)

about Make Folder in Window C#

说明：  qt中提供了QGphicsView，QGraphicsScene，QGraphicsItem，QGraphicsPixmapItem是QGraphicsItem的子类 分辨创建它们的实例：view，scene，item，然后通过各自的方法scene->addItem(item);view->setScene(scene);就可以达到类似下图的效果，想要进一步定制，则要继承QGraphicsItem或QGraphicsPixmapItem，然后重写paint()、boundingRect()等方法，此外如果还想要获取鼠标事件，重写mousePressEvent等事件就好了，注意，一旦重写了mousePressEvent方法，就以为了qt不会再自动处理item的任何press事件了，可以在你重写的mousePressEvent方法中最后添加QGraphicsItem::mousePressEvent(event);解决这个问题，就是说你获取到了鼠标事件，但是依然让qt处理这个鼠标事件。(QGphics View, QGraphics Scene, QGraphics Item and QGraphics PixmapItem are provided in qt. They are subclasses of QGraphics Item. Resolve the instances of creating them: view, scene, item, and then use their respective methods scene - > addItem (item); view - > setScene (scene); you can achieve the effect similar to the figure below. If you want to further customize, you need to inherit QGraphics Item or QGraphics Pixmap Item, and then rewrite paint (), boundingRect () and other methods, and if you want to do so. If you want to get mouse events, rewrite events like mousePressEvent. Note that once you rewrite the mousePressEvent method, you think that QT will no longer automatically handle any press events of item. You can finally add QGraphics Item:: mousePressEvent (event) to your rewritten mousePressEvent method to solve this problem. That is, you get the mouse event, but still let QT handle the mouse event.)

说明：  利用51单片机引脚实现对IIC通讯的模拟(Simulation of IIC communication with 51 MCU pin)

其实qt应用在安防领域还是蛮多的，尤其是视频监控系统，但是网上几乎没有看到qt做的最基础的视频监控画面分割的demo，今天特意花几分钟提取出来，开源放出来。欢迎大家多多点赞！

二维绘图，包括直线，矩形，圆，多边形等绘制(Two-dimensional graphics, including lines, rectangles, circles, polygons drawn)

trinitycore item_set_names表汉化(trinitycore item_set_names Chinese)