If you're a frequent user of LibreOffice, I strongly recommend to checkout out the VLOOKUP Show archive.org snapshot function (SVERWEIS in German). It allows you to treat a column pair as a hash map, where you lookup keys in the first column and return values from the second.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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