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Difference between http and https

You might have noticed that some websites will be prefixed with http or https in the address bar of your web  browser.What  is the difference between http and https?Le us see. HTTP HTTP stands for “Hypertext Transfer Protocol.” It is the system for transmitting and receiving information across server and the  client It dentifines commands and services used for transmitting web page data.A client can be a computer or a  mobile.when  you want to access a website,your browser sends request to the we server and the web server responds with an http status  code.But  http is not the safest way to establish a connection. http is insecure. Requires no certificate for validation. URL begins with HTTP. HTTPS HTTPS is different from  http.It  is often called a secure http  connection. HTTPS  is a combination of http and SSL/TLS  protocol.This  means that everything you send  or receive will be encrypted. Secure. Requires SS...
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What is POP and IMAP

If you have ever tried to set up an email account,you would have noticed these  terms.What  are they?POP and IMAP are two protocols for accessing and viewing  emails.Now  let us look in detail what POP and IMAP is. POP POP stands for  Post Office Protocol. POP was created in 1984.It was used for downloading mail from a remote  server.POP  usually downloads all the mail from server and deletes them from the  server.Any  changes made from a device wont appear on other device if you are using this  protocol.For  example,if you marked a message as read,you will find the same as unread on the other device connected to your account. In 1985 POP2 and in 1988 POP3 was released offering more features. Advantages Saves server storage space. Messages are always accessible even without Internet because they are downloaded. Internet connection is needed only for sending and receiving mail. Disadvantages Any changes made on a device are to be mad...
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Optical Charactor Recognition (OCR) in C#

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This post will help you to create an OCR application in C#. For this i will be using Visual Studio 2013 and Puma.NET . Before creating the project you need to install Puma.NET on your computer. You can download Puma.NET from here .  After downloading, run the installer to install Puma.NET on your device. The default installation folder will be C:\ProgramFiles (x86) on 32 bit systems. After finishing installation you will have three folders under C:\ ProgramFiles (x86)\Puma.NET . Open Assemblies folder and there you will have three DLLs named dibapi.dll, puma.interop.dll and Puma.Net.dll . Create a Windows Forms Application and add a Button and RichTextBox to the form. Right click on Project -> Add References .   Select Browse and add Puma.Net.dll from the Assemblies folder under installation path of Puma.NET. Click on Build to build your project.  Open Debug folder of the project and there will be  puma.interop.d...
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