How to properly reuse cin after EOF

Summary The issue at hand is reusing cin after EOF in a C++ CLI application. When the user inputs EOF (CTRL+D on Unix-like systems or CTRL+Z on Windows), the cin stream becomes unusable. The current solution involves clearing the EOF flag using cin.clear(), but this approach has problems on Linux. Root Cause The root cause … Read more

How can I enforce server-side step completion before allowing access to a route in Next.js?

Summary A developer asked how to enforce server-side step completion in Next.js, specifically preventing access to protected routes until a required backend step (e.g., identity verification) is completed. The core issue was that client-side guards (React state, useEffect redirects) are easily bypassed. The solution requires server-side enforcement where the request never reaches the protected page … Read more

How to parse and explode nested JSON fields in a table?

Summary The problem requires parsing and exploding nested JSON fields in a table to achieve the expected output. The original data has an ExtInfo field storing JSON-formatted extension information, which needs to be parsed to extract field values and exploded to split array elements into multiple rows while preserving scalar fields. Root Cause The root … Read more

Can you force a React state update?

Summary The issue described is a classic stale closure problem combined with a race condition. A user selects a new project, which dispatches an action to update the global state. However, the asynchronous function LoadRevitVersion is invoked immediately using the state variable from the current render cycle. Because React state updates are asynchronous, the LoadRevitVersion … Read more

Can python keywords be variables?

Summary A developer encountered a limitation when attempting to use dynamic variable names as keyword arguments in a Python class constructor. The specific error was wanting to pass a string variable (e.g., “param1”) as a keyword identifier inside **kwargs unpacking, which Python does not support in that syntax. This is a fundamental aspect of Python’s … Read more

Angular Not Loading the Updated Data After An API Call

Summary An Angular application fails to render fetched API data in the HTML template, despite the HTTP request succeeding and the service returning valid data. The root cause lies in violating Angular’s unidirectional data flow principles, specifically by attempting to assign data synchronously to template-bound variables before the asynchronous HTTP request completes, or by failing … Read more

SublimeText 4 – SublimeLinter and SublimeLinter-eslint are not working

Summary SublimeLinter-eslint integration failed after a Windows 11 reinstall for a user running SublimeText 4 (build 4200) and Node.js 24.13.0. Despite successful package installations via Package Control and functional command-line eslint, the editor showed no linting UI or menu items. The root cause was a missing Node.js PATH environment variable propagation to the SublimeText host … Read more

(Initially) getting duplicate results from FetchedObjects

Summary A developer reported seeing duplicate entries (24 instead of 12) when using SwiftUI’s FetchedObjects to display Core Data entities. The issue only occurred on the initial view load and resolved after performing a search operation. The root cause was two concurrent fetch operations initiated by the view’s lifecycle, caused by triggering a data fetch … Read more

Mockito.verify not behaving properly when using a capture

Summary The issue at hand involves Mockito.verify not behaving as expected when using a capture in conjunction with times(2). This problem arose after upgrading to JDK 21. The test fails when both times(2) and myCaptor.capture() are used, but passes if either is removed. Root Cause The root cause of this issue can be attributed to … Read more