An Introduction To Vending Machines

The very first vending machine was said to have been invented by Hero of Alexandria, a 1st century inventor. His machine accepted a coin and then dispensed a fixed amount of “holy water.” Basically, a vending machine is a machine that dispenses merchandise after a customer deposits money. Vending machines have a currency detector which […]

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Introduction to Content Security for Beginners

Browsers: What do they have in common (except maybe for being the "internet button")? They can not distinguish malicious content from benign. As this flaw had to be tackled, content security was introduced. What causes content to become malicious? Much of this malicious content can either be cross-site scripting (XSS) or clickjacking. Clickjacking, as the […]

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Introduction to Watercolor Painting Supplies For Beginners

Watercolor is probably the most convenient of all the painting mediums. All you really need to get started is a box of paint, a few brushes, water and some paper. There are no toxic solvents or mediums to be concerned about and your brushes can be cleaned with a little soap and water. This convenience […]

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