Merge and extract PDF pages with PDFtk and Python
Merge and extract PDF pages with PDFtk Java, verify page order, and automate merging in Python without overwriting existing output files.
Tim Koschützki
DevTips
Empower your development workflow with our curated collection of quick tips and practical tutorials. From file handling and image processing to API integration and open source tools, our dev tips cover a wide range of topics to enhance your coding skills and boost productivity. Whether you’re a beginner or an experienced developer, dive in to find efficient solutions for your projects.
Encode WAV audio as MP3 in Python with Pydub and FFmpeg
Encode WAV audio as MP3 in Python with Pydub and FFmpeg, preserve existing files, and report conversion failures for individual inputs and batches.
Tim Koschützki
Documenting file upload APIs with Swagger and OpenAPI
Build an Express file upload API with Swagger UI and an OpenAPI contract that matches required files, upload limits, API keys, and binary downloads.
Kevin van Zonneveld
Extracting text from images in Node.js using AWS Rekognition
Extract text lines from local or S3 images with AWS Rekognition and Node.js. Run a complete CLI that returns confidence and geometry and reports failures.
Kevin van Zonneveld
Effortless file export to OpenStack Swift in .NET C#
Export files to OpenStack Swift with a complete .NET HTTP client, bounded segments, verified checksums, cancellation, and static large-object manifests.
Kevin van Zonneveld
