ClickHouse Server in 1 minute with Docker

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ClickHouse is an open-source column-oriented DBMS developed by Yandex. ClickHouse works 100-1000x faster than traditional approaches. It's good for Big Data, business analytics and time series data. ClickHouse is the first open source SQL data warehouse to match the performance, maturity, and scalability of proprietary databases like Sybase IQ, Vertica, and Snowflake.

Free VPN in 1 minute with Docker

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In this short guide I will show you how to quickly install an OpenVPN server using an existing Docker image. It is possible to install an OpenVPN server, but with Docker everything is much easier. You don't need to buy a third party service, everything is completely free.

You must have your own VPS server. If not, you can buy a VPS on DigitalOcean. You can buy the least expensive from $2 to $5 per month.

5 Programming Languages That Pay Ultra-High Salaries

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If you're a software developer, you're no doubt wondering what programming languages translate to the highest salaries. Knowing some of the world's most common programming languages will increase your chances of landing a position that pays six figures a year.

Given the wide variety of modern programming languages, deciding which one to start learning can be a daunting task. But if your goal is to master the profession and make good money using your skills in the future, things will become much easier.

JavaScript: Remove a specific item from an Array

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Although this is not a problem - many programmers have difficulty removing an element from an array into JavaScript. To remove an item from an array, you can use special methods, such as:

shift – the method will remove the element from the beginning of the array.

splice  this method removes the element from the middle of the array.

pop  this method removes the element from the end of the array.

CSS: Responsive Navigation Menu for Beginners

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This very easy jQuery-based Responsive Navigation Menu.
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