file handling
Practical resources about file handling for software engineers.
31 results
Working with Files and Streams
File operations are deceptively simple until you face large datasets, concurrent writes, or cross-platform path differences. Production code needs to handle streaming, compression, encoding, and cleanup gracefully.
This section provides recipes for reading large files efficiently, watching directories for changes, compressing archives, rotating logs, and parsing configuration files. Solutions cover Python, Java, Node.js, and Bash for maximum flexibility.
JavaScript Drag and Drop File Upload with HTML5 API
Implement native HTML5 drag and drop file upload in JavaScript
Node.js File Upload Validation: Type, Size, and Content
Validate file uploads in Node.js with multer for type, size, and content
Stream Process Large Files in Node.js Without Memory Issues
Process GB-sized files in Node.js using streams. Covers readline, transform streams, pipeline,...
Batch Resize Images with Python
How to bulk resize and optimize images using Pillow and Python for web delivery.
Safely Extract Zip Files with Python
How to extract and validate zip archives securely using Python zipfile and shutil.
Read and Write Files
How to read from and write to files safely across multiple programming languages.
Rotate Log Files
How to implement log rotation by size, date, and count to prevent disk exhaustion across Python,...
Process Large Files with Streams
How to read, transform, and write large files efficiently using streams without loading entire...
Write Large Files
How to write large files efficiently using buffered and streaming output.
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