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If you ever developed some iOS or Android apps, you should know that for localization, the strings should be stored in some resource files and dynamically loaded in apps. What about Windows applications? When I tried to store strings in a resource file in Visual Studio, I met some problems...
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Last time, I shared my experience about how to use JavaScript saving HTML canvas data to local disk in Chrome. In this tutorial, I would like to share how to save HTML canvas data to remote service with JavaScript and PHP. Ads Powered by Dynamsoft Uploading canvas data is a...
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When you visit the Dynamic Web TWAIN online demo from Mac OS X, you need to download and install a pkg plugin. How is the installer made? Where is the installed plugin located in the file system? In this tutorial, I will show you how easy it is to make...
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Recently, I spent several days implementing a web music player. Just for fun. With the player, I can listen to songs that are stored in my home computer. While at work, I just need to start a remote service at my house and then open the browser and input the...
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This article aims to share how to use the QR code plugin to implement a free online app with Google App Engine. How to Implement QR Code Generator Download jQuery QRCode plugin. Download JavaScript UTF-8. Create a project named qrcode, and create a file called qrcode.html. Include plugins: <script src="js/jquery.min.js"></script>...
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In this tutorial, I would like to show how to configure and install nginx on Mac OS X. My Mac system is Mavericks 10.9.2. Prerequisites You have to install Xcode command line tools. Install Nginx Download the latest stable version – nginx 1.4.7. Unzip the downloaded package by the command...
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In my daily life, I enjoy taking photos with my smartphone and uploading them to various websites. So I started thinking, “Is it possible to implement these functions in a web browser?” Fortunately, the new HTML5 SDK is capable of uploading local images or captured images to web servers. Everything...
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In HTML5, there is a new tag <canvas>, which is used to draw graphics via JavaScript. In this tutorial, I would like to share how to draw images on canvas, and how to save the canvas data to local disk by clicking button. Ads Powered by Dynamsoft Draw Images on...
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In this article, I will share the basic concept of Libwebsockets, as well as how to write a simple program with the APIs. What is Libwebsockets Libwebsockets is a lightweight pure C library; built to use minimal CPU and memory resources as well as providing fast throughput in both directions....
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In this tutorial, let’s continue to learn how to use OpenSSL to sign a certificate. Steps of Signing Certificate with OpenSSL We can use the command line to quickly generate ca certificate. openssl genrsa -out cakey.pem 2048 openssl req -new -days 365 -x509 -key cakey.pem -out cacert.pem -nodes -subj /C=CA/ST=BC/L=Vancouver/O=Dynamsoft/OU=Dynamsoft/CN=Dynamsoft/emailAddress=support@dynamsoft.com...