Using block lettering in coding can be a great way to improve code readability and performance, but it must be used effectively. For example, when naming variables, constants, or functions, it is recommended that only the first letter of each word is capitalized. This will allow for improved...
One cool thing that block-based coding allows for is a more tangible coding experience for young learners. Not only on-screen, but also something kids can hold in their hands with something likeScratch Cards; which is a set of cards that offers a physical, visual representation of different ...
In apublic blockchain network, the first node to credibly prove the legitimacy of a transaction receives an economic incentive. This process is called “mining.” Here’s a theoretical example to help illustrate how blockchain works. Imagine that someone is looking to buy a concert ticket on ...
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Blockchain Blockchain is a linked list that uses Hash Pointers instead of regular pointers. This enables each node of blockchain to not only locate the next node but also verify whether the data in that node has been changed. In a blockchain, nodes are referred to as a block, so we wi...
the semicolon is important in coding languages because it allows programmers to write code that is easily readable and interpreted by computers. in programming, semicolons are used to indicate the end of a statement, which allows the computer to know when one statement ends, and another begins...
Later, in the 16th century, more sophisticated techniques, such as the Vigenere cipher and coding machines like the Enigma rotor machine, appeared. Years later, cryptography was born! How Does Cryptography Work? Cryptography works by scrambling plain text or data into indecipherable cipher text that...
When a smart contract is created, it’s deployed to a blockchain network, such as Ethereum. All nodes in the blockchain network hold a copy of the contract, ensuring trust and transparency. Once the pre-programmed conditions are met, the blockchain verifies the outcome and the contract auto...
functional scenario. We're deciding which function to call based on some runtime test. Now, one could imagine that you'd want to generalize this notion of an "adder function", and you would not want to have to write dozens and dozens of adders. What we can do is create an adder ...
Here, a single system is playing the role of both a server and a client. The server listens for requests from the client. The server can only handle a limited number of requests at a time. If, for some reason, it is unable to accept a request, then the ‘except’ block will be ex...