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Previously, I shared an article describing how to create an online barcode reader using Node.js, which turned Raspberry Pi into a web server. Today, I want to do another experiment – building a Raspberry Pi barcode scanner with a USB webcam. For taking HD video and photo, you can choose...
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When making third party libraries and SDKs for Android development, you could build so files, jar files, or aar files. I prefer providing aar files for distribution since aar file is a simple zip file which includes so files, jar files, and other resources. What’s inside aar file? /AndroidManifest.xml (mandatory) /classes.jar (mandatory)...
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Node.js is available for all platforms including IoT devices like Raspberry Pi. In this post, I will demonstrate how to quickly create an online barcode reader on Raspberry Pi using Node.js and Dynamsoft Barcode Reader SDK. Node.js for Raspberry Pi If you flashed Rasbian Jessie, the latest Linux ROM for...
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During Build 2016, Microsoft released a Visual Studio C++ extension for Linux. With the extension, you can use Visual Studio to write C++ code for Linux devices. In this post, let’s take a glimpse of how to install the extension and how to remotely build and debug C/C++ code for...
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Building desktop applications is not as easy as developing web applications because it is platform-related. You may need to learn C# for Windows, C/C++ for Linux, and Swift for Mac. For Java developers, it is convenient to create universal desktop applications in Swing and JavaFX. What about web developers, who...
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If you are still focusing on Windows desktop development, it is time to migrate to IoT and mobile technologies that have a big boost in the near future. In this post, let’s take a glimpse of how to build C/C++ “hello world” program for Raspberry Pi and Android on Windows...
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Raspberry Pi 3 has been released for a while. The new RPi device added Bluetooth and Wi-Fi. More and more students and developers tend to study and work using Raspberry Pi, which supported by Windows and Linux. If flashing Windows 10 IoT core on Raspberry Pi, you can build IoT...
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Last week, I shared how to build PHP extension on Linux, as well as how to make a simple PHP barcode reader with a few lines of PHP code. In this post, I will illustrate how to implement an online barcode reader with the custom PHP extension, and how to...
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ZK is a Java Web framework that similar to GWT. Some developers have no idea how they can integrate DWT (Dynamic Web TWAIN) into a ZK Web project. I have successfully made it. The process is not too hard, but a little bit tricky. First ZK Web Project with Eclipse...
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If you want to get a Node.js application into a Docker container from scratch, it’s recommended to read the official guide – Dockerizing a Node.js web app. It is useful, but not enough for a complicated case. In this post, I’m going to share what problems I have encountered while...