importer sys fra PyQt5.QtCore import * fra import av PyQt5.QtWidgets * fra import av PyQt5.QtWebEngineWidgets * klasse MainWindow (QMainWindow): def init (selv): super (MainWindow, selv) . init () self.browser = QWebEngineView () self.browser.setUrl (QUrl ('http://google.com')) self.setCentralWidget (self.browser) self.showMaximized () navbar = QToolBar () self.addToolBar (navbar) back_btn = QAction ('Tilbake', selv) back_btn.triggered.connect (self.browser.back) navbar.addAction (back_btn) forward_btn = QAction ('Fremover', selv) forward_btn.triggered.connect (self.browser.forward) navbar.addAction (forward_btn) reload_btn = QAction ('Reload', selv) reload_btn.triggered.connect (self.browser.reload) navbar.addAction (reload_btn) home_btn = QAction ('Hjem', selv) home_btn.triggered.connect (self.navigate_home) navbar.addAction (home_btn) self.url_bar = QLineEdit () self.url_bar.returnPressed.connect (self.navigate_to_url) navbar.addWidget (self.url_bar) self.browser.urlChanged.connect (self.update_url) def navigate_home (selv): self.browser.setUrl (QUrl ('http://programming-hero.com')) def navigate_to_url (selv): url = self.url_bar.text () self.browser.setUrl (QUrl (url)) def update_url (selv, q): self.url_bar.setText (q.toString ()) app = QApplication (sys.argv) QApplication.setApplicationName ('Min kule nettleser') vindu = MainWindow () app.exec_ ()

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Comment these code

importer sys
fra PyQt5.QtCore import *
fra import av PyQt5.QtWidgets *
fra import av PyQt5.QtWebEngineWidgets *

klasse MainWindow (QMainWindow):
def __init __ (selv):
super (MainWindow, selv) .__ init __ ()
self.browser = QWebEngineView ()
self.browser.setUrl (QUrl ('http://google.com'))
self.setCentralWidget (self.browser)
self.showMaximized ()

navbar = QToolBar ()
self.addToolBar (navbar)
back_btn = QAction ('Tilbake', selv)
back_btn.triggered.connect (self.browser.back)
navbar.addAction (back_btn)
forward_btn = QAction ('Fremover', selv)
forward_btn.triggered.connect (self.browser.forward)
navbar.addAction (forward_btn)
reload_btn = QAction ('Reload', selv)
reload_btn.triggered.connect (self.browser.reload)
navbar.addAction (reload_btn)
home_btn = QAction ('Hjem', selv)
home_btn.triggered.connect (self.navigate_home)
navbar.addAction (home_btn)
self.url_bar = QLineEdit ()
self.url_bar.returnPressed.connect (self.navigate_to_url)
navbar.addWidget (self.url_bar)
self.browser.urlChanged.connect (self.update_url)
def navigate_home (selv):
self.browser.setUrl (QUrl ('http://programming-hero.com'))
def navigate_to_url (selv):
url = self.url_bar.text ()
self.browser.setUrl (QUrl (url))
def update_url (selv, q):
self.url_bar.setText (q.toString ())

app = QApplication (sys.argv)
QApplication.setApplicationName ('Min kule nettleser')
vindu = MainWindow ()
app.exec_ ()

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