Posts (page 48)
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5 min readIn order to make non-square edges in tkinter, you can use the ttk.Style class to create a custom style for your widgets.One way to achieve non-square edges is to use the ttk.Button widget, and then set the border-radius property in your custom style. This will give your button rounded edges instead of the default square ones.Here is an example code snippet that demonstrates how to create a button with non-square edges in tkinter: import tkinter as tk from tkinter import ttk root = tk.
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4 min readTo make tkinter support PNG transparency, you need to set the transparency color of the PNG image before displaying it in a tkinter widget. This can be done by converting the PNG image to a PhotoImage object using the PIL (Pillow) library in Python. After converting the image, you can set the transparency color using the putalpha() method and then display the image in a tkinter widget using the label or canvas widget.
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5 min readIn Tkinter, you can refresh a window by calling the update method on the main Tk object. This method processes all pending events for the window, including any changes to the window or its widgets. By calling update, you can force the window to immediately redraw itself and update its appearance. This can be useful when you want to update the contents of the window dynamically, such as in response to user input or changes in the program's state.
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4 min readTo pass an argument to an event handler in tkinter, you can use lambda functions to create a function that accepts the argument and calls the event handler with that argument. This can be done when binding the event to the widget, by using the lambda keyword followed by the argument you want to pass. For example, if you want to pass the argument "value" to an event handler called handle_event, you can do so by binding the event like this:widget.
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4 min readTo shorten a URL using PHP, you can use a URL shortening service like Bitly or TinyURL. These services provide APIs that you can use in your PHP code to shorten a long URL into a shorter one. Simply make a request to the URL shortening service API with the long URL as a parameter, and you will receive a shortened URL in response. This shortened URL can then be used in your application or website.
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4 min readTo center a window on the screen in tkinter, you can use the following code:Get the width and height of the screen using the winfo_screenwidth() and winfo_screenheight() methods of the Tk instance.Calculate the x and y coordinates to center the window by subtracting half of the window's width and height from the screen's width and height respectively.Use the geometry() method of the Tk instance to set the window's size and position to the calculated values.
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4 min readTo get a variable from a URL using JavaScript, you can use the window.location.search property to access the query string parameters. You can then parse the query string to extract the desired variable using string manipulation techniques such as split() and slice(). Additionally, you can utilize regular expressions to help extract and match specific patterns within the URL.
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3 min readTo disable default tkinter key commands, you can use the unbind method on the root window or the specific widget that you want to disable the key commands for. This method allows you to unbind a particular key or a range of keys from triggering their default actions.For example, to disable the Enter key from triggering a button click event, you can use the following code: button.
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6 min readTo add the /lang to the WordPress homepage URL, you need to access the WordPress admin dashboard. From there, navigate to the Settings section and click on General. Look for the "WordPress Address (URL)" and "Site Address (URL)" fields. In these fields, add the /lang after the domain name. Save the changes and refresh the homepage to see the updated URL structure with /lang included.
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4 min readTo update the image of a tkinter label widget, you can use the configure method to change the image that is displayed. First, create a new PhotoImage object with the updated image file, and then set the label's image attribute to the new PhotoImage object. This will update the image displayed on the label. Remember to keep a reference to the PhotoImage object to prevent it from being garbage collected.
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3 min readIn PostgreSQL, you can extract the relative path from a URL using the regexp_replace function along with a regular expression pattern. You can achieve this by defining a regular expression pattern that matches the domain part of the URL and then replacing it with an empty string to extract the relative path. For example, if you have a URL like https://www.example.com/path/to/file, you can use the regexp_replace function to extract the relative path path/to/file by removing the https://www.
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6 min readTo get the last value of a list of tkinter entry widgets, you can access the entry widget at the last index of the list. By using the get() method on the entry widget, you can retrieve the text entered by the user. This will allow you to obtain the last value from the list of tkinter entry widgets.[rating:a4f32d1d-bda5-4034-a12d-1970d8718090]What is the best way to extract the final non-empty input from multiple tkinter entry widgets.