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How to remove unused Docker images?

Docker images can quickly consume a lot of available disk space. This tutorial shows how to remove unused docker images quickly, as well as what are other clean-up operations worth running once in a while. Learn more »

How to install multiple Java versions on Linux, MacOS, or WSL2?

Ever wondered how to install multiple Java (JDK) versions on your operating system? There is one tool that does it very well - SDKMAN. Learn more »

How to title case each word in Python?

Sometimes you need to change the case of the words in a given string. For instance, you get an input which represents the first name and the last name, and you want to make sure it is correctly capitalized. Learn more »

How to merge two dictionaries in Python?

Python makes merging two dictionaries easy. Below you can find an example created directly in the Python interpreter. It defines two dictionaries, a and b, and then it creates a new dictionary c by merging two previously created dictionaries. Learn more »

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