[QT] QT getting started from scratch (6): QDockWidget docking window

QDockWidget                      .    common functions:    1 , addDockWidget: add a docking control to specify or change the location and direction of the docking control. void QMainWindow::addDockWidget(Qt::DockWid ...

Posted on Wed, 01 Apr 2020 23:14:54 -0400 by vMan

Drawing of OpenGL Foundation

OpenGL drawing function! Way of drawing Explain GL point) Draw point GL? Lines Draw points in groups. If there is only one point, it will be discarded GL? Lines? Strip Connect vertices in vertex order GL? Lines? Loop Connect vertices in vertex order, the last point connects the first point GL? Triangles ...

Posted on Wed, 01 Apr 2020 04:01:32 -0400 by MikeyNoedel

UIActivityViewController realizes system native sharing

The code address is as follows:http://www.demodashi.com/demo/11042.html 1, Effect preview 2, Next, I will introduce UIActivityViewController and do it with me 1. Create data content to share and add it to an array of ActivityItems. NSString *textToShare = @"I do and cherish_iOS,Welcome to follow me!"; ...

Posted on Wed, 01 Apr 2020 01:50:25 -0400 by smoothrider

Android dynamic update APP Icon

I. Introduction Now many apps will change their icons to corresponding icons on special days. People who understand the development will surely think that I haven't updated the APP. Why has the icon changed? 2, Renderings Apply the first installation renderings After the application is started, click &quot ...

Posted on Tue, 31 Mar 2020 23:13:27 -0400 by f8ball

html5+jquery get wechat openid

Recently, we are modifying a mobile mall. Because the wap end is HTML5, we also use a lot of art template technology. At the beginning, the modification is not suitable, and the implementation of HTML5 to get openid has not been able to achieve a good implementation. After understanding and learning the acquisition principle, w ...

Posted on Tue, 31 Mar 2020 11:29:51 -0400 by ucbones

Android studio realizes third-party QQ sharing and space sharing

Sharing is very common in every App application. Today, let's realize the third-party sharing provided by access QQ.  1. When sharing with QQ, please register your account with our Tencent open platform first and then get the developer qualification address: http://open.qq.com/ Create an app to get AppId and AppKey. For ...

Posted on Mon, 30 Mar 2020 17:23:04 -0400 by compphenom

FutureTask parsing source code

1: use package com.huiguan.facade.mobile; import java.util.concurrent.*; /** * @author chengwei * @since $$Revision:1.0.0, $$Date: 2018/4/26 11:39 $$ */ public class FutureDemo { public static void main(String[] args) { try { //Create a thread pool, which is not recommended ExecutorService threadPool = ...

Posted on Mon, 30 Mar 2020 14:36:34 -0400 by kiowa_jackson

PHPExcel realizes import and export function

Before doing the application background, we used the import and export functions of the existing background framework. This time, because we need to make special requirements for the exported Excel, we studied the next PHPExcel, and sorted it out. Combined with the online examples and official documents, we sorted out the import and export meth ...

Posted on Mon, 30 Mar 2020 10:32:12 -0400 by revjoe

How to realize the function of texting

[Ali big fish] In our development, the function of sending and receiving SMS to the mobile phone for verification is very widely used in our daily life, especially when we want to have our own account in a website, an app, a blog network, then we have to register and log in, SMS is essential, even if you forget the password, a SMS back and for ...

Posted on Sun, 29 Mar 2020 13:26:50 -0400 by amob005

Pandas window function

concept In order to process digital data, Pandas provides several variations, such as scrolling, expanding, and exponentially moving window statistical weights. Including sum, mean, median, variance, covariance, correlation, etc; The so-called window is to expand the value of a certain point to a section containing the point, and use the se ...

Posted on Sun, 29 Mar 2020 06:09:12 -0400 by perfume