用工具栏实现MenuBar简单实用

虚拟的示波器程序请提出宝贵建议。初学者-virtual oscilloscope procedures please valuable suggestions. Beginners Ha ha!

一个漂亮的tooltip类，还包含相应的应用实例-a beautiful (NCBI category also includes the corresponding Application

去掉图片背景 里面有函数说明-Remove Image Background

《Qt及Qt Quick开发实战精解》代码适合初学者使用

其中也包括 AR 模型和遗传神经网络模型的灰色模型，根据不同的数据，您可以针对不同的算法，预测。附带的原始的测试数据，效果是很好

按回车可直接跳到列表的下一个单元框，进行编辑，操作方便-Press Enter to jump directly to a unit under the list box, for editing, easy to operate

在SDI中进行多视图切换的小程序,在一些情况下，应用程序有许多信息要显示，当一个窗口内显示不下时，VC提供的MDI应用程序可以解决这个问题，但是如果应用程序只是对单个文档，采用多种方式显示，则采用SDI更合适。那么，如何在单文档应用程序中实现多视图呢？缺省情况下，派生类的构造函数是pretected类型的，必须将它改为public类型，因为我们将会动态生成派生视图类并切换活动的视图。也可以一次生成所有的视图，但是这样造成系统资源的极大浪费。-SDI for the Multi-View handoff small procedures, in some cases, there are many applications of information to show that, when a window display at the least, the VC MDI applications can solve this problem, but if the application procedure is a pair of individual files, use various methods to show , using SDI more appropriate. How, then, in single file applications to achieve multi-view? By default, derived class constructor is pretected type, it must be changed to public type, because we will be dynamically generated and derived View Class View switching activities. One can also generate all views, but this system caused a tremendous waste of resources.

分割窗口，非常漂亮的界面，朋友们，快点下啊！加油给分吧！-Split window, very beautiful interface, friends, hurry up and under the ah! Come on to the sub it!

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选择排序是一种比较优化的排序,它定义的k意义在于表示一次循环后找到的最小(大)值的位置,然后让第i个(第几次循环就是第几个)植交换,这样在第一轮循环中就把最小(大)的值换到了最前面,如果只用i,j 的话,就没有办法找出待排序数据中的最值了 比较排序也叫冒泡排序,就是把相邻的数据比较交换,因为其把小的数字从后面往前慢慢移动,感觉象水泡上升一样,所以叫冒泡排序法. 如过你还没理解,留言~-SELECTION SORT is a more optimal sequencing, its definition of k significance lies in a circle said they find the smallest (large) value of the location, i then allow the first (the first cycle was the first several several) plant exchange, this cycle in the first round put the smallest (CUHK) for the value of the front, if only i, j, then there is no way to identify sequencing data to be the most value compared sequencing is also called Bubble Sort. adjacent is to the comparison of data exchange, because of their small numbers from the back slowly moving forward, Soak up feeling like the same, so called Bubble Sort law. No off if you understand that message ~