小虾米就是我喽

今天发现一个问题，Qt Qpushbutton设置背景色只能用代码如下设置，StyleSheet在qt creator中居然只能设置前景色！！！pushbutton->setStyleSheet("background-color:rgb(234,234,234)");如下使用palette也无法设置背景色！ QPalette P=pushbutton->pale

#ifndef WORKTHREAD_H#define WORKTHREAD_H#include #include "DataBaseObject.h"#include "HttpObject.h"#include class WorkThread:public QThread{ Q_OBJECTpublic: WorkThread(QThread *paren

Q_DECLARE_METATYPE ( Type )This macro makes the type Type known to QMetaType as long as it provides a public default constructor, a public copy constructor and a public destructor. It is needed to u

Thread AffinityA QObject instance is said to have a thread affinity, or that it lives in a certain thread. When a QObject receives a queued signal or a posted event, the slot or event handler wi

QLineF line1; QPointF p1(10.0,20.0); QPointF p2(30.0,20.0); line1.setPoints(p1,p2); line1.setLength(10); qDebug()<<"line1 "<<line1.p1()<<line1.p2()<<line1.angle(); line1.setLen

#include "dialog.h"#include "ui_dialog.h"#include Dialog::Dialog(QWidget *parent) : QDialog(parent), ui(new Ui::Dialog){ ui->setupUi(this); Qt::WindowFlags flags=Qt::Dialog;

windows 和centos中都是int型变量低字节在前 unsigned char buf[10]; int a=12789; bool mybool = true; unsigned long BJCTT=123456; int n1,n2,n3; n1= sizeof(a); n2= sizeof(mybool); n3=

第一种： char buf[1000]={'\0'}; unsigned char t,ubuf[1000]; num_recved = udpSocket->readDatagram(buf, 1000,&sender,&senderPort); for(int i=0;i1000;i++) { ubuf

http://blog.youkuaiyun.com/taowenyin/article/details/43226489

不包含#include时void qDebug ( const char * msg, ... )qDebug("%d ",i+1);qDebug("%s ",QString("Hi"));错误，只支持const char * msg！

Qt 编译demos\affineBuild Issues：ld returned 1 exit statuscannot find ldemo_shared这个程序需要demos\shared的静态库；当静态编译时需要静态的库，动态时需要动态的库，即demos\shared需要动态和静态编译后，affine才能相应编译通过！1、分别是用Qt4.7.4 cmd

QString tabWidgetStyle1 = "QTabWidget::pane {border-top: 2px solid #c2c7cb;}\ QTabWidget::tab-bar {left:5px}\ QTabBar::tab {background: blue;border:2px solid #c4c4c3;border-bottom-col