摘要：
1.右键选择需要布局的控件 2.选中后，右键点击，选择布局，垂直布局 3.然后右侧的控件相同的操作 4.空白处右键-布局-栅格布局 5.点击最大化测试 参考： https://www.cnblogs.com/emouse/archive/2013/05/19/3087708.html 阅读全文
摘要：
mainwindow.cpp:77:44: error: member access into incomplete type 'QTcpSocket'qtcpserver.h:55:7: note: forward declaration of 'QTcpSocket' 添加：#include < 阅读全文
摘要：
Signal Received <p>The inferior stopped because it received a signal from the operating system.<p><table><tr><td>Signal name : </td><td>SIGSEGV</td></ 阅读全文