In this video, you will learn about function modifiers in Solidity. Function modifiers are special functions that can be used to modify the behavior of functions in Solidity.
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This clip is from the chapter "Learn Functions in...

This is an exercise video on setting keys and values.
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This clip is from the chapter "Structures and Libraries in Solidity" of the series "The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts".In...

In this video, we will cover one of the most important data structures in Solidity: mappings. Mappings are a way to associate values to unique keys and are used in many smart contracts for storing and retrieving data efficiently. By...

In this video, you will learn about arrays in Solidity and the pop, push, and length methods associated with them. We will cover the basics of declaring and initializing arrays, as well as how to add and remove elements from them using...

This is an exercise video on how to loop in Solidity.
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This clip is from the chapter "Learn Solidity - Basics III" of the series "The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts".This section...

You can configure some DHCP options for the devices that participate in your VPC. This video shows you how to configure these options.

With an understanding of the AWS Virtual Private Cloud (VPC), you can begin creating them. This video demonstrates how to create and use a VPC.

When two computers begin the process of sharing data, they create what we call a connection (or session). A good tech knows how to use common utilities to observe these connections and diagnose issues.
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You'd be hard-pressed to find a home or small office router that isn't using Network Address Translation (NAT). NAT provides some amazing benefits but also has some serious limitations.
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This clip is from the chapter "Local...

The designers of IP addresses reserved many IP addresses for special uses. From loopback to private IP addresses, a good tech understands these special addresses as well as when and how to use them.
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TCP is the most popular IP protocol, but it isn't the only one. User Datagram Protocol (UDP) and Internet Control Message Protocol (ICMP) both serve important purposes and features that techs need to understand.
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Marijuana is classified as a Schedule I drug, making it difficult for researchers to study, and difficult to understand how it may help or harm our health. A recently passed bill is aimed at making marijuana research easier to conduct,...

The traditional IP addressing scheme (called IPv4) is quickly being replaced with the much more advanced IPv6 scheme. IPv6 adds several benefits over IPv4, and good techs know how to use it in our systems.
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You will never understand the power of the Internet without first starting at the most basic form of networking: the Local Area Network (LAN). LANs use a central piece of hardware to interconnect individual devices, transferring data...

Mr. Griot rereads a favorite story and decides to write a letter to the author.He teaches about the five important parts of a letter.Then, Mr. Griot models how to write a letter as he writes his own letter to an author.

In this video, you will learn how to use ChatGPT to code for others. You will explore how to create custom code snippets and templates that you can sell to other developers, allowing you to earn a passive income from your coding...

DAY FOUR - Inspect packets for common network and transport layers protocols - Video 5: IPv6 deep-dive

From the section: First Steps. In this section, the viewer will be introduced to the course with a look at the course in general, have a look at some of the operating systems used in this course, and begin to understand basic...

There are a variety of ways in which user authentication can be implemented prior to allowing user access to the Internet. This question presents a scenario require user sign-off to a term of agreement before gaining Internet...

SchoolOnline's Secondary English videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key skill in English Reading and Writing that students need to master in clear and easy to...

On today's episode of Blockchain Central we will shed some more light on the aspect of anonymity in the Bitcoin system. Can your transactions be tracked and what are the consequences? Let's find out!

Packet filtering firewalls apply to layer 4 (Transport layer) of the OSI model and examine only packet headers to allow or deny network traffic. Content filtering firewalls apply to OSI layer 7 (Application layer) and can examine...

This week on Blockchain Central: we will talk about Bitcoin tumbler or mixer. What are mixers? What is their purpose? Are they legal? Let's find out! __ 'Blockchain Central' is your #1 trusted source for everything crypto. Our host Blue...

Network Address Translation (NAT) maps external public IPs to internal private IPs to protect the true identity of servers. Port Address Translation (PAT) allows multiple internal network clients with private IPs to access the Internet...