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Using OpenCV APIs to capture video from a camera is convenient. However, OpenCV does not provide an API for listing all available devices. If you have multiple cameras connected to your PC, you have no idea how to choose the right one. To get device information on Windows, you need...
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Dynamic Web TWAIN has been widely used for developing web browser based document scanning apps. Is it possible to embed Dynamic Web TWAIN APIs into a Chrome app or extension? In this post, I want to share what I went through while building a Chrome extension. Chrome App When opening...
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It was my first time to hear about WebAssembly when watching Google I/O ‘17. WebAssembly (wasm) lets developers compile C/C++ or other statically typed languages into JavaScript for building high-performance web apps. Assume I have a C/C++ barcode detection or OCR library deployed on server-side, I can now move it to the...
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Chrome OS, developed by Google, is a light-weighted operating system based on the Linux kernel. It uses Chrome web browser as the user interface that primarily supports web applications released as Chrome extensions. However, Chrome extension is not fresh to me. When running Chrome OS in a virtual machine, I...
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Raspbian is a free operating system based on Debian. It is the recommended operating system for Raspberry Pi. If you do not have a Raspberry Pi, you can experience Raspbian by running the OS image in the emulator - QEMU. In this article, I want to share how to resize...
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Last week I made a warm up for Kotlin, getting started to learn tutorials and reference. Now it is time to take the next step. Since Kotlin is hundred percent compatible with Java, we can use both programming languages without barriers in one project. In this article, I want to...
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If you always stay tuned to Dynamsoft Barcode SDK, you should have noticed that starting with version 5.1, the SDK includes a JavaScript library which is similar to Dynamic Web TWAIN. The article aims to help developers get familiar with the relevant JavaScript Barcode APIs and build web barcode reader...
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When using React and Dynamic Web TWAIN to create a web document scanning app, I was confused about how to load dynamsoft.webtwain.min.js, a global JavaScript library like jQuery, into my project. I spent some time searching Google for relevant questions, but it was hard to find useful answers. Then I...
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TypeScript, developed by Microsoft, is a superset of JavaScript. It features static typing, class, and interface. Comparing to JavaScript, One of my favorite TypeScript features is that we can create a TypeScript declaration file (.d.ts) for IntelliSense in Visual Studio Code or other supported IDEs. In this article, I will...
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Last week, I shared how to build a simple React Native component from scratch. Now I want to do something more complicated. I will link Dynamsoft’s Barcode Reader mobile SDK, which was released as an AAR bundle file, to a React Native Barcode project and write some Java code as...