x_code Summary The OpenXLSX library is being used to read and manipulate xlsx files, but the execution time is slow, taking 33.3 seconds to save a file as csv, compared to 4 seconds using VB scripts. The bottleneck lies in the XLCell c=wks.cell(i, 1) line, which consumes 30.8 out of the 33.3 seconds. Root Cause The … Read more
Summary The given PostgreSQL query is optimized for cursor-based paging using indexes on activity_date and id, as well as birth_date and gender. However, the addition of the spatial search condition ST_DWithin(location, ST_MakePoint(?, ?), 20000) significantly slows down the query execution. This article aims to explore the root cause of this issue and provide optimization strategies. … Read more
Summary The problem at hand involves calling a macro when a slicer selection changes in a table. This requires understanding how to capture events in Excel and execute macros based on those events. The goal is to change the font color of a textbox when the slicer selection changes. Root Cause The root cause of … Read more
Summary Generating large-scale NL→SPARQL datasets for fine-tuning requires a strategic approach to balance quality and quantity. The goal is to create around 5000 question-query pairs, which can be achieved through a combination of human-written examples, programmatic expansion, and potentially LLMs (Large Language Models) for synthetic pair generation. Root Cause The root cause of the challenge … Read more
Summary The org.openqa.selenium.SessionNotCreatedException is a common issue encountered when using Selenium WebDriver, particularly when configuring ChromeDriver. This exception occurs when Selenium is unable to create a new session, often due to version mismatches between the Chrome browser and ChromeDriver, or issues with the WebDriverManager configuration. In this case, the user has ensured that the Chrome … Read more
Summary The issue at hand involves a user experiencing shadowbanning on Reddit, where creating an account is successful, but posting comments is not. This results in the user creating multiple new accounts to bypass the restriction. The question arises whether the sysadmins are overwhelmed, leading to this issue. Root Cause The root cause of this … Read more
Summary The issue arises when attempting to install the TailwindCSS Vite plugin with Vite 8, resulting in a peer dependency conflict. The @tailwindcss/vite plugin currently supports Vite versions 5.2.0, 6, and 7, but not Vite 8. Root Cause The root cause of this issue is the incompatible peer dependency of @tailwindcss/vite with Vite 8. The … Read more
Summary The issue at hand is related to the behavior of LINQ’s OrderBy and ThenBy methods in C#. When using these methods to sort a collection, the ThenBy method evaluates its key selector for all elements, not just the ones that remain after the initial OrderBy. This can lead to unnecessary evaluations and potential performance … Read more
Summary The MercadoPago /v1/customers/search API is returning empty results despite the customer existing in the dashboard. This issue is encountered when using the API to find a customer by email. The API endpoint GET https://api.mercadopago.com/v1/customers/search?email={email} is expected to return customers filtered by email, but it’s not working as expected. Root Cause The root cause of … Read more
Summary The problem revolves around implementing a state machine for an entity with multiple statuses in a database, using a Rich Domain Model. The goal is to manage correct transitions between these statuses and transfer available actions to the front end. Key considerations include data consistency, scalability, and user experience. Root Cause The root cause … Read more