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Dynamsoft Developer Blog

Get the latest information, insights, tutorials, and news from Dynamsoft.

  • Take a Photo and Upload it on Mobile Phones with HTML5

    Apr 01, 2014  Miscellaneous

    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?” Although Dynamsoft ImageCapture Suite allows us to capture i ...

    •  HTML5
    •  CAMERA
    •  MOBILE
    •  PHP
  • How to Use JavaScript to Save Canvas Data in Chrome

    Mar 31, 2014  Miscellaneous

    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 Dyn ...

    •  HTML5
    •  JAVASCRIPT
    •  CANVAS
    •  CHROME
  • How to Check PageRank and AlexaRank in Android

    Mar 25, 2014  Miscellaneous

    If you have implemented a Java program on desktop, why not bring it to mobile platform? In this tutorial, I will show how to transplant the Java program for PageRank and AlexaRank to Android platform. Let’s glance at the screenshot in advance.And ...

    •  ANDROID
    •  PAGE RANK
    •  ALEXA RANK
    •  SEO
  • Libwebsockets Introduction

    Mar 21, 2014  Miscellaneous

    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 LibwebsocketsLibwebsockets is a lightweight pure C library; built to use minimal CPU and memory resources as well as ...

    •  LIBWEBSOCKETS
  • How to Check Alexa Rank in Java

    Mar 18, 2014  Miscellaneous

    Since we have known how to check PageRank in Java, let’s strengthen our tool by adding the functionality of checking Alexa rank today.To get the Alexa rank, you can use following code or read the excellent tutorial.import java.io.InputStream;impo ...

    •  JAVA
    •  SEO
    •  ALEXA
  • How to Use OpenSSL to Sign Certificate

    Mar 14, 2014  Miscellaneous

    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 ...

    •  OPENSSL
    •  C/C++
  • How to Read and Write Excel Files in Java

    Mar 12, 2014  Miscellaneous

    Previously, I talked about how to check PageRank in Java. In this article, I will combine PageRank with Excel files. To operate Excel files in Java, I used Apache POI - the Java API for Microsoft Documents. Apparently, you can download the API pa ...

    •  JAVA
    •  PAGE RANK
    •  SEO
    •  EXCEL
  • How to Write a Simple Java Program to Check PageRank

    Mar 11, 2014  Miscellaneous

    In this article, I am not going to go in-depth about Java and Swing. The content I will share in this article is about how to combine slices of knowledge to make a simple java tool for checking PageRank. In my previous article, I talked about how ...

    •  JAVA
    •  PAGE RANK
    •  SEO
  • How to Use OpenSSL to Generate X.509 Certificate Request

    Mar 04, 2014  Miscellaneous

    In this tutorial, let’s learn how to use OpenSSL to generate X.509 certificate request.Certificate signing request is a message sent from an applicant to a certificate authority, which usually includes: Country Name (2 letter code) [US] State or ...

    •  OPENSSL
    •  CERTIFICATE
    •  SECURITY
  • How to Use OpenSSL to Generate RSA Keys in C/C++

    Feb 27, 2014  Miscellaneous

    It is known that RSA is a cryptosystem which is used for the security of data transmission. This tutorial introduces how to use RSA to generate a pair of public and private keys on Windows. Download and install OpenSSL https://www.openssl.org/com ...

    •  RSA
    •  OPENSSL
    •  C/C++
    •  SECURITY
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