pyqtgraph/PySide6 horizontal gradient flickers when data updates and repeats gradient

Summary The issue at hand is a flickering horizontal gradient in a PySide6 application using pyqtgraph. The gradient is used to represent the color of light at different wavelengths. When the data updates, the gradient flickers momentarily and is repeated across the X-axis. The cause of this issue is related to the coordinate mode of … Read more

Making a console rock, paper scissors game

Summary The issue with the Rock, Paper, Scissors game is due to the incorrect implementation of the getHumanChoice and getComputerChoice functions. The getHumanChoice function is using prompt which is not suitable for a console game, and the getComputerChoice function is generating a new random choice every time it is called. The main problem is that … Read more

Data preparation for machine learning

Summary The task of preparing a dataset for machine learning involves several crucial steps, including handling missing values and following standard practices to ensure the quality and reliability of the data. In this article, we will discuss the key aspects of data preparation, the common pitfalls, and the best approaches to achieve a robust and … Read more

JsonPath nested conditions

Summary The issue at hand is related to JsonPath queries, specifically when trying to find a single ‘approvalInfo’ where Luke Skywalker is one of the approvers in a nested JSON structure. The challenge lies in crafting a generic JsonPath query that can correctly identify the desired ‘approvalInfo’ without specifying the exact array index of the … Read more

Is setInterval still inaccurate in modern browsers (2026)?

Summary The question of whether setInterval is still inaccurate in modern browsers has been a topic of discussion. A test was conducted using Chromium 145.0.7632.18, which showed that setInterval remained 99% accurate after 30 minutes. This raises the question of whether setInterval is truly inaccurate. Root Cause The root cause of setInterval inaccuracy can be … Read more

How to scroll and select individual columns in Android DatePicker using uiautomator2 (Python)

Summary The issue at hand is interacting with an Android DatePicker using uiautomator2 in a Python application. The goal is to scroll and select individual columns (day, month, year) by swiping each column vertically. However, attempts to perform swipe gestures or input values manually have been unsuccessful. Root Cause The root cause of this issue … Read more