liujx2019

摘要： bool ok = QDesktopServices::openUrl(QUrl("c:/users/administrator/desktop/dir")); 有些文件夹打不开，例如 C:\Users\Administrator。 把QUrl 换成QUrl::fromLocalFile 即可 bo 阅读全文

摘要： Reading Files Directly The following example reads a text file line by line: The QIODevice::Text flag passed to open() tells Qt to convert Windows-sty 阅读全文

摘要： Address already in use. Typically, only one usage of each socket address (protocol/IP address/port) is permitted. This error occurs if an application 阅读全文

摘要： I've resolved with the following steps: PS C:\Windows\system32> cmd Microsoft Windows [Version 6.2.9200] (c) 2012 Microsoft Corporation. All rights re 阅读全文

摘要： 在sklearn 0.18及以上的版本中，出现了sklearn.cross_validation无法导入的情况，原因是新版本中此包被废弃 只需将 cross_validation 改为 model_selection 即可 阅读全文

摘要： In linux i use this: I use this in windows, it works 出处：https://forum.qt.io/topic/1939/activatewindow-does-not-send-window-to-front/11 阅读全文

摘要： 主动宣告setProcessState(QProcess::NotRunning) 或者在堆上new一个QProcess。 出处： https://stackoverflow.com/questions/33874243/qprocessstartdetached-but-hide-console- 阅读全文

摘要： [icons] Name: "{userstartup}\My Program"; Filename: "{app}\MyProg.exe"; Tasks:StartMenuEntry; Name: "{commonstartup}\My Program"; Filename: "{app}\MyProg.exe"; Tasks:StartMenuEntry; 阅读全文

摘要： char startUpDir[500]; if (SHGetFolderPathA( NULL, CSIDL_COMMON_STARTUP, NULL, 0, startUpDir) != S_OK) { printf("SHGetFolderPathA... 阅读全文

摘要： 注意这个函数返回的字符串是按'\0'分割，所以必须先用别的分隔符替换之后再使用。否则只能得到第一个盘的盘符。 阅读全文