PyQt5, Garbage Classification Small Program-Executable File of Early Generation Window Program
It's another day. Today's mental journey: (1) How to connect the front end and the back end? (2) Back-end database insertion data (3) completely do not use the previous dictionary check method (4) Suddenly found that object-oriented programming is actually very useful, and even more addictive (5) QLineEdit, QInputDialog, QGridLayout (6) with cl ...
Posted by kilby on Tue, 04 Jun 2019 10:44:02 -0700
Teacher PHP hasn't taught you those knowledge points.
Another way of writing is surprising.
When we read some source code, we find an alternative way of writing, such as
//Abnormal writing
if(false == $result)
//Normal writing
if($result == false)
In fact, this is a very clever way of writing, it can largely eliminate the serious bug s caused by hand errors.
If we miswrite = as = in the ...
Posted by dmcke5 on Sun, 02 Jun 2019 11:20:22 -0700
Qt Loading QSS File
Sketch
New QSS file
Writing QSS
Loading QSS
Realization principle
More reference
Sketch
Styles are commonly used in Qt. In order to reduce coupling (separate from logical code), we usually define a QSS file, then write the styles of various components (such as QLable, QLineEdit, QPushButton), and finally use Q ...
Posted by wiccan8888 on Fri, 17 May 2019 10:40:49 -0700
Source Coding Qt5
Linux Mint Source Coding Qt5.8
Introduction
Compile and install process
Download source code
To configure
Installation of required tools
Install xcb Libraries
Install Multimedia Library
configuration option
Compile source code
Configuring Qt paths
Install qtCreator
Introduction
After Qt5.5, the official Qt has no 32- ...
Posted by stomlin on Wed, 15 May 2019 21:05:48 -0700
12 Qt Multithread Programming
Qt opens multithreading, mainly for the class QThread. There are two ways, the first is to inherit the QThread with a class, and then rewrite the virtual function run(). When you want to open a new thread, you just need to instantiate the class and then call the function start() to open a multithread. The second method is to in ...
Posted by carrotcake1029 on Sat, 11 May 2019 00:14:39 -0700
Writing window plug-in for QT and realizing the self-adaptation of call window
Catalog
Preface
Effect
Writing dll
Write main program
summary
Preface
Recently, the plug-in architecture was encountered in the project, and several functional modules were written into dll for calling by the main program. This paper mainly implements such a function under the QT:
Write a dll, which contains a QDialog ...
Posted by reversenorm on Thu, 09 May 2019 22:16:39 -0700
[Introduction to Python] 38. First GUI program
ABSTRACT: Teach you how to use Python's built-in Tkinter to create the first GUI program.
Write on the front: In order to learn python better, bloggers record their learning journey. This learning note is based on Liao Xuefeng's Python Course If there is any infringement, please inform us to delete it. Welcome to study Python ...
Posted by bufke on Thu, 09 May 2019 14:30:38 -0700
SQL table model QSqlTable Model
QSqlTableModel
The QSqlTableModel class provides an editable data model for a single database table.
QSqlTableModel is a high-level interface for reading and writing database records from a single table. It is built on top of the lower-level QSqlQuery and can be used to provide data to view classes such as QTableView.
Example:
...
Posted by gibs on Thu, 28 Mar 2019 14:39:29 -0700
Using PySide2 to develop Maya Plug-in Series I: QT Designer to design GUI, pyside-uic to convert. ui file to. py file
Preliminary preparation:
Install python: https://www.python.org/downloads/
Install PySide2: After installing python, there is a / script folder in the installation directory with pip.exe, cmd execution: pip install PySide, pip install PySide2 (note: Python 2.x corresponds to PySide, Python 3.x corresponds to PySide2)
Start the QT Designer:
1. S ...
Posted by mmitdnn on Tue, 22 Jan 2019 14:00:13 -0800
Database operation of QT
#include <QtSql>
QT += sql
QSqlDatabase Class implements the operation of database connection
QSqlQuery Classes are used for execution SQL Sentence
QSqlRecord Class encapsulates all records in the database
//First: QSqlDatabase class
QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); Use QSQLITE Database, QMYS ...
Posted by barryman9000 on Sat, 19 Jan 2019 23:30:12 -0800