Leiaz questions

Leiaz answers

• GNU argp "too few arguments"
• wondering about libusb_bulk_transfer error code
• How to find item selected from customContextMenuRequested() on QTreeView item?
• QT and custom menu item (QLineEdit)
• How to use Dzen instead of Xmobar in this unusual setup
• Select from SQLite with Qt
• xmonad - switching workspaces with mouse buttons 6 and 7
• How to verify QVariant of type QVariant::UserType is expected type?
• QComboBox AbstractItemView::item
• Qt: Multiple windows in a parent/child chain, parent does not close children?