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Web Worker is a way to run JavaScript in background threads. The worker thread can perform some heavy works without interfering with the user interface. This article shares how to load WebAssembly and invoke Dynamsoft JavaScript barcode APIs in a web worker. Web Worker for WASM If you have tried the ‘hello...
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Previously, I demonstrated how to use OpenCV and Dynamsoft Barcode SDK to build a Python barcode reader. There’s one problem that when barcode decoding takes a long time, the webcam video didn’t play smoothly. I also tried multithread but failed to tackle the issue either due to the Python GIL(Global...
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A JavaScript barcode SDK can be built in C/C++ for high performance. We can compile C/C++ code to a Node.js addon or WebAssembly. Which one is superior? Let’s try Dynamsoft Barcode Reader SDK to find the answer. What You Should Know Node.js C++ Addon vs. WebAssembly Speed Performance is vital...
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The reason WebAssembly appealing to me, besides the performance, is that I can run WebAssembly either on client-side or server-side. In this post, I will share how to build WebAssembly file and run it with Node.js. Environment Node.js v8.11.3 IIS v10.0.15063.0 WebAssembly Standalone When compiling C++ code to WebAssembly, by...
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WebAssembly (Wasm) is a revolutionary technology for Web development. It aims to execute at native speed in web browsers. With WebAssembly, it is convenient to port C/C++ code for web client and server applications. Dynamsoft Barcode Reader 6.2 is the most potent barcode SDK ever, and its WebAssembly edition is on the...
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This tutorial aims to help .NET developers use Dynamic .NET TWAIN in Unity projects. Download Unity Dynamic .NET TWAIN Unity Infinite Loading Issue It’s weird when running the Unity editor first time, I got stuck on the loading screen. If you suffer from the issue, remove %USERPROFILE%\AppData\Roaming\Unity, %USERPROFILE%\AppData\Local\Unity, and %USERPROFILE%\AppData\LocalLow\Unity, and...
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.NET developers like Xamarin because they can develop Android and iOS apps in C#. However, if you are not afraid of learning new programming languages, you’d better choose Kotlin for Android and Swift for iOS. Unlike React Native, Flutter and Cordova, with Xamarin, you cannot create one codebase for both...
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If you have a .jar or a .aar file for distribution, you can publish it to Maven central or jcenter. But the premise is your package has to be open source. If you want to distribute a commercial library, you’d better host a Maven repository yourself. Inspired by STEFFENWELLNER’s article,...
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ZXing is probably the most popular open source barcode SDK in the world. The library is written in Java and now has been ported to C++, .NET, Python, Objective-C, PHP and some other programming languages. Because ZXing is free, many developers would like to build barcode scanning apps with it....
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Recently, our team needs to regularly update Tar GZIP files that are built for Linux on Windows. GZIP is a file format for file compression and decompression. Unlike ZIP, GZIP is used to compress just one single file. Usually, we have to assemble files into a single tar archive, and...