Author: misamaliraza94
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HTTP Methods
HTTP (Hypertext Transfer Protocol) is created to provide communication between clients and the server. It works as a request and answer. There are two basic HTTP methods: GET and POST. GET Method The GET method of HTTP requests data from a specified source. GET requests can be cached and remain in the browser history. It…
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Keyboard Shortcuts
Keyboard shortcuts are used to invoke a command in the operating system or software, which can be accessed with a menu or a mouse. These shortcuts offer an easier method of using computer programs. You can access them differently, depending on your computer system. On PC computers, the Alt key, and on Apple computers, the…
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HTML Entities
There are a lot of symbols that are not present on a standard keyboard (mathematical, technical, currency symbols, etc.). Also, there are symbols, which cannot be used because they can cause confusion. For example, we cannot use (>) greater than because in HTML this symbol stands for a tag, and the browser won’t show it. In HTML,…
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UTF-8 Encoding
8-bit Unicode Transformation format, called UTF-8, is a variable width character encoding that can encode all of the 1.111.064 valid code points in Unicode wit one to four 8-bit bytes. The number “8” means 8-bit blocks are used by UTF for representing a character. Since 2009, UTF-8 has been the leading encoding for the World Wide…
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ISO Language Codes
ISO Language Codes The HTML lang attribute declares the language of a web page or only a part of a web page. It is used to help search engines and browsers. W3C suggests to declare the primary language for every web page with the lang attribute inside the <html> tag. See how to do it below: See how it must be in…
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ISO-8859-1
ISO-8859-1 (The International Standards Organization) is the default character set in most browsers. The first 128 characters of ISO-8859-1 are the original ASCII character-set (the numbers from 0-9, the uppercase and lowercase English alphabet, and some special characters). Reserved Characters in HTML Some characters are reserved in HTML. That is because these are the characters making up…
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ASCII
ASCII, the acronym for the “American Standard Code for Information Interchange” is the first character-encoding scheme used between computers on the Internet. Modern character encoding schemes like UTF-8 and ISO-8859 are built on ASCII. The ASCII Character Set ASCII Character Set was designed in the ’60s, as a standard character set for computers and hardware…
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HTML Character Sets
The browser should know what character sets (character encoding) to use. It is required to display an HTML page correctly. UTF-8 is the default character encoding for HTML5. However, it was used to be different. ASCII was the character set before it. And the ISO-8859-1 was the default character set from HTML 2.0 till HTML 4.01. However, there were still problems…
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Creating Contract Users
In this chapter, we will learn the creation of contract users on Ethereum. To create a user for our published contract, we will create another MyEtherWallet client attached to the same Ganache Blockchain that you have been using in the previous steps. Go to the MyEtherWallet screen and create a new wallet. Click on the contracts menu and select the “Interact with…
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Interacting with Deployed Contract
Now, you are ready to interact with the contract that you have deployed. Go back to MyEtherWallet desktop and click on the “Interact with Contract” tab as shown in the screenshot below − Paste the contract address that you previously copied in the “Contract Address” field. You also need to paste the “ABI / JSON Interface” of the contract…