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The Treeview widget is designed to display the data in a hierarchical structure. It can be used to display the directories, child directories or files in the form of a list. The items present in the Listbox are called Listbox items.The treeview widget includes many properties and attributes through which we can change or modify its default properties. We can change the background of a treeview widget by defining the 'background' property in the constructor.Example# Import the required libraries from tkinter import * from tkinter import ttk # Create an instance of tkinter frame or window win = Tk() ... Read More
Knuckle-buster is a slang term that indicates the financial usage of manual credit card imprinted. This was a device that was used before the introduction of point-of-sale terminals, that has become hugely popular.Knuckle-Buster – What Is It?The term knuckle buster represents the usage of manual credit card, that was used widely and there and was physically extremely exhausting for the vendors who would injure their knuckles literally. This was before the point-of-sale terminals were introduced and this caused some serious injurious.Despite it being known as zip-zap machines at the time, they proved to injure the vendors regularly and thus the ... Read More
The Tkinter application window has many components: window size, title, navbar, menubar-component, etc. To configure the window attributes or properties, we can use the Window Manager toolkit defined in Tcl/Tk.To run the Window Manager attributes, use the command 'wm' with other keywords. The title of the window can be configured by using wm_title("title") or title("title") method.Example# Import the required libraries from tkinter import * # Create an instance of tkinter frame or window win=Tk() # Set the size of the window win.geometry("700x350") # Change the title of the window win.wm_title("My Window") Label(win, text="Hello, Welcome to Tutorialspoint...", ... Read More
In artificial intelligence (AI), knowledge engineering is a branch of the science that develops rules to apply to data in order to simulate the thinking process of a human expert. It examines the structure of a job or a choice in order to determine how a result is arrived at.A collection of problem-solving techniques, as well as the ancillary information is developed and given up as issues for the system to diagnose. The software developed as a consequence of this research will be used to help humans in diagnosing, troubleshooting, and fixing problems.Key Points BrieflyArtificial Intelligence (AI) has a subset ... Read More
To create a list of items with a scrollable widget, Tkinter provides the Listbox widget. With the Listbox widget, we can create a list that contains items called List items. Depending upon the configuration, the user can select one or multiple items from the list.If we want to clear the items in the Listbox widget, we can use the delete(0, END) method. Besides deleting all the items in the Listbox, we can delete a single item as well by selecting an item from the Listbox, i.e., by using currselection() method to select an item and delete it using the delete() ... Read More
The Tkinter Toplevel window creates an additional window apart from the main window. We can add widgets and components to the newly created top-level window. It supports all the properties of the parent or main window.Sometimes the Toplevel window is also referred to as the child window. To put the child window in front of the parent window, we can use the wm_transient() method.Example# Import the required libraries from tkinter import * from tkinter import ttk # Create an instance of tkinter frame or window win=Tk() # Set the size of the window win.geometry("700x350") win.title("Parent Window") # ... Read More
The treeview widget in Tkinter provides a way to represent the data in a hierarchical structure. With the Treeview widget, we can insert our data in the form of a table. The table can have rows and columns in which we can insert the data instantly.We can also configure the properties of the treeview widget such as its color, size, column width, height, row width & height, etc. To set the row height of the Treeview widget, you can create an instance of ttk themed widget where you can specify the rowheight property. The rowheight property will add internal padding ... Read More
The Scrollbar widget in tkinter is one of the useful widgets that is used to pack the container elements and their contents with a scrollbar. With Scrollbars, we can view large sets of data very efficiently.Generally, Tkinter allows to add vertical and horizontal scrollbar in the application. By default, the vertical scrollbars are available in the constructor and we don't need to have an orientation for the scrollbar. To attach a vertical scrollbar in a Tkinter text widget, you can use xscrollcommand and yscrollcommmand to set the value of vertical and horizontal scrollbars.Example# Import the required library from tkinter import ... Read More
The Scrollbar widget in tkinter is one of the useful widgets that is used to pack the container elements and their contents with a scrollbar. With Scrollbars, we can view large sets of data very efficiently.Generally, Tkinter allows to add vertical and horizontal scrollbars. To add a horizontal scrollbar in an application, we've to use the orientation as Horizontal in the scrollbar constructor.ExampleLet us create a text editor that contains a horizontal scrollbar in it.# Import the required library from tkinter import * from tkinter import ttk from tkinter import messagebox # Create an instance of tkinter frame win=Tk() ... Read More
When it comes to consumption and production, the knowledge economy refers to a system founded on intellectual capital. The capacity to profit on scientific discoveries, as well as fundamental and applied research, is specifically referred to as innovation. These activities have grown to constitute a significant portion of all business growth in most industrialized nations.There are intangible assets that every employer monitor and some examples is the knowledge and intellectual property provided by the employees as it may contributesignificantly to the growth of the company.Key Points BrieflyMost developed countries around the world lay importance on academic and scientific research that ... Read More