Programming

Questions about C#, Python, Java, algorithms, and code architecture.

ProgrammingMove Uncommitted Git Changes to Another Branch

Learn how to safely move uncommitted changes to another Git branch using git stash, git switch -c, or git checkout -b. Avoid losing work when switching branches with conflicts—step-by-step guide with examples.

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ProgrammingJava Final in C#: Sealed, Readonly, Const Guide

Explore C# equivalents to Java's final keyword: sealed for final class java and methods, readonly for fields like java переменная final, const for static final java. Code examples, differences, and comparisons for developers.

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ProgrammingBest Gliner Alternatives for Russian NER: Slang & Typos

Top Gliner alternatives for Russian NER handling slang, typos, abbreviations. Natasha/Slovnet, spaCy NER, RuBERT extract products & prices from chats efficiently on CPU.

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ProgrammingHandling System.Text.Json Deserialization Errors for Malformed JSON

Learn how to handle deserialization errors in System.Text.Json when processing malformed JSON with unclosed braces and improperly escaped quotes. Implement custom error handling strategies.

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ProgrammingWebSocket API Documentation Best Practices: AsyncAPI Guide

Comprehensive guide to documenting WebSocket endpoints using AsyncAPI standards. Learn best practices for versioning, streaming data, error handling, and structuring documentation.

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ProgrammingFix Eclipse Java Code Completion Not Working Issues

Troubleshoot Eclipse Java code completion issues in Eclipse 3.4.2. Learn how to fix 'No completions available' errors by checking build paths, content assist settings, and plugin conflicts.

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ProgrammingSystem.Timers.Timer vs System.Threading.Timer for .NET Games

Compare System.Timers.Timer vs System.Threading.Timer for .NET game apps with multiple timers and thread pooling. Discover why Threading.Timer offers better performance, lower overhead, and scalability for game development.

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ProgrammingSecure Parameter Passing in Gorm ORDER BY Clause

Learn how to securely pass parameters into Golang Gorm ORDER BY clauses using clause.Expr for custom ordering with array_position.

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ProgrammingRust HashMap Lifetimes: Why Query Must Outlive Map

Learn why Rust requires query lifetimes to outlive HashMap lifetimes in rust programming. Understand rust borrow checker behavior and implicit lifetime bounds.

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ProgrammingLine Breaks in Markdown Presentations: TeX ewline Equivalent

Learn how to add line breaks in markdown presentations with the TeX ewline equivalent. Discover the two-space method, HTML `<br>` tags, and backslash approach for different presentation frameworks.

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ProgrammingFix NSHostingView SwiftUI Drag Gestures macOS Tahoe 26.2

Resolve NSHostingView not receiving SwiftUI drag gestures or mouse events behind another layer on macOS Tahoe 26.2. Custom subclass, hit-testing fixes, and double-wrapping for AppKit/SwiftUI hybrids on M1 Pro.

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ProgrammingConditional MFA in Spring Security 7: OIDC vs Password

Implement conditional MFA in Spring Security 7: skip email OTT for OIDC providers like Google/Facebook, enforce password + OTT for username/password logins. Custom handlers, managers, and full code examples for provider-based security.

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ProgrammingPython with Statement: Multiple Variables Syntax Guide

Learn how to declare and manage multiple variables with Python's with statement. Explore syntax options, advanced techniques with ExitStack, and best practices for resource management.

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ProgrammingHow to Remove All Whitespace from String in Ruby

Learn to remove all whitespace characters (spaces, tabs, newlines) from Ruby strings using gsub and delete. Unlike PHP trim or Ruby strip, these methods clean everywhere for efficient string processing.

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ProgrammingAdd Notification Delay Column in Google Sheets for Calendar

Add a custom notification delay column in Google Sheets to trigger Google Calendar alerts a variable number of days before events, like 3 or 5 days. Full Apps Script code, setup, triggers, and troubleshooting for seamless sync.

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ProgrammingFile Exists in C/C++: Efficient Checking Methods

Learn efficient methods to check file existence in C/C++. Compare C++17 filesystem, legacy C++, and C approaches for optimal performance when verifying thousands of files.

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ProgrammingAngularJS Filter Controller: Two Methods Explained

Learn how to use AngularJS filters in controllers with two methods: direct injection and $filter service. Includes examples and best practices.

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ProgrammingWhat Does the NS Prefix Mean in Cocoa Development?

The NS prefix in Cocoa and Cocoa Touch class names stands for NeXTSTEP, originating from NeXT's operating system in the late 1980s. Learn about its historical significance in Apple's development frameworks.

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ProgrammingAI Systems in 2017-2018: Neural Networks and GPT

Comprehensive overview of AI systems during 2017-2018, focusing on neural networks, GPT architecture, capabilities, and development status of artificial intelligence during this period.

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ProgrammingJetty 12 ClassNotFoundException for ResourceServlet Fix

Resolve Jetty 12 ClassNotFoundException for org.eclipse.jetty.ee10.servlet.ResourceServlet on /webapp/* paths. Fix WebAppClassLoader isolation with parentLoaderPriority or bundle ee10-servlet JARs in web.xml for static resources in Java 21 WAR deployments.

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