Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
  • Search
  • Get Qt Extensions
  • Unsolved
Collapse
Brand Logo
  1. Home
  2. Qt Development
  3. Mobile and Embedded
  4. Not able to extract QString from QHash
Forum Updated to NodeBB v4.3 + New Features

Not able to extract QString from QHash

Scheduled Pinned Locked Moved Mobile and Embedded
2 Posts 2 Posters 560 Views 1 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • H Offline
    H Offline
    houmingc
    wrote on last edited by
    #1

    extern QHash<int, QString> StationHash;

    @
    =========Method 1=======
    int var =5
    QHash<int, QString>::iterator i;
    for( i=StationHash.begin(); i != StationHash.end(); i++ )
    {
    QString NextThai = i.key(var);
    }
    ==========Method 2==============
    int var=5;
    QString NextThai= StationHash(5);

    @

    i got an error message for both methods. How to extract Qstring in StationHash
    no matching function for call to QHash <int,QString>:: key(int)

    1 Reply Last reply
    0
    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi

      @QString str = myHash.value(5);@

      You hash use an int as key and a QString as value.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      1 Reply Last reply
      0

      • Login

      • Login or register to search.
      • First post
        Last post
      0
      • Categories
      • Recent
      • Tags
      • Popular
      • Users
      • Groups
      • Search
      • Get Qt Extensions
      • Unsolved