Qt5: QSplitter window splitter

Our goal is to design a simple example of using splitters, following the interface of the Qt editor. Each window can change its size by mouse. The effect is shown in the figure above.   Using Designer to Realize 1. Open the Qt creator editor, create a new Qt Widgets Application project, select ...

Posted by gutogouveia on Sun, 13 Oct 2019 09:31:27 -0700

Implementation of java swing constellation selector interface

After understanding the use of various basic components and the handling of common events, this case will synthesize the text box. Button and Drop-down list Component to implement a constellation selector program. The program allows the user to be in the ____________ Drop-down list Choose one of your ...

Posted by msandersen on Sun, 13 Oct 2019 09:21:18 -0700

Android Uses Popup Windows to Customize Bubble Bubble Window

As a rookie, he suddenly wanted to know about the bubble pop window, so he wrote a simple pop window to look for information. Personal feeling is in line with the level of novice birds;   First, customize the bubble box public class MyLinear extends LinearLayout { private Paint paint; // ...

Posted by roliver on Sun, 13 Oct 2019 08:55:04 -0700

Installation of MySQL 5.7 in yum mode under CentOS 7 environment

This blog is mainly extracted from the Internet, make a record, if there is the same demand in the future, you can directly turn over your own records. Thank you to the two great gods: https://www.cnblogs.com/luohanguo/p/9045391.html https://www.cnblogs.com/debmzhang/p/5013540.html   Installation steps 1. Download the rpm package of MySQL ...

Posted by BinaryDragon on Sat, 12 Oct 2019 09:05:36 -0700

Share an Automated Networking Timing Program

My computer motherboard seems to be in trouble, often with computer time disorder, resulting in web pages can not be opened (actually related to certificates). Replacement of new batteries is ineffective, and do not want to pay for the motherboard. Think about it, it is very troublesome to set the ti ...

Posted by benzrf on Fri, 11 Oct 2019 12:41:05 -0700

Command based day3 (20190929)

1. What is an order? 1. Linux commands Instructions or programs used to implement a certain type of functionWhen Linux executes most commands, it must find the appropriate program.Green: Executable Procedures 2. General format of command line Basic Usage Command word [option]... [parameter 1] [parameter 2]... [root@nsd ~]# cat --help ...

Posted by robman2100 on Fri, 11 Oct 2019 07:41:42 -0700

call/apply/bind method/function native implementation of JavaScript

Brief introduction of call/apply/bind method In JavaScript, the direction of this in a function is usually determined only when it is called, and JavaScript provides a call/apply/bind method that allows us to display the direction of this in a bound function.Their first parameter is an object, which they bind to this in the function that calls ...

Posted by andygrant on Thu, 10 Oct 2019 05:15:46 -0700

Delphi - Developing Serial Debugging Assistant Using Third Party Control TMS and SPComm

Download and Installation of Third Party Control TMS and SPComm The box can be downloaded with search keywords. The TMS is a. dpk file and the SPComm.pas file. Installation method itself, not to repeat.   Interface Layout by Using TMS Controls Interface Preview:   Delphi connects serial port, sends and receives instructions through SPC ...

Posted by PHPist on Wed, 09 Oct 2019 22:17:40 -0700

Server Development - Learning Notes - Cross-Platform (win, ubtu) - Fallacies to Be Modified

Links to the original text: https://mp.csdn.net/postedit/98461694 In the previous article, we realized the communication between the client and the server, which made good use of the structure. In this article, we mainly transplanted the ...

Posted by Chris 96 WS6 on Wed, 09 Oct 2019 13:18:50 -0700

Common Method Tool Classes for Reading and Writing Xml Configuration Files in C#

scene Sometimes it is necessary to use configuration files to save some configuration properties so that the settings will still take effect the next time they are opened. Here is an example of reading and writing xml configuration files. 1. Read the XML configuration. 2. Write the XML configuration file. 3. The first XmlNode that matches ...

Posted by harlequeen on Wed, 09 Oct 2019 07:00:09 -0700