Turbolinks vs react

A little more drastic, we’ve also pushed all the commercial database adapters into their own gems. So Rails now only ships with adapters for MySQL, SQLite, and PostgreSQL. These are the databases that we have easy and willing access to test on. But that doesn’t mean the commercial databases are left out in the cold. Rather, they’ve now been set free to have an independent release schedule from the main Rails distribution. And that’s probably a good thing as the commercial databases tend to require a lot more exceptions and hoop jumping on a regular basis to work well.

Even with persistent data structures (data structures that return a new version of themselves with the requested changes rather than modifying themselves internally), when you add an item to an array, you are only using a new container. All the elements in the array are the exact same objects in memory as the previous version. This is why persistent data structures are still fast, despite occurring in O(n) time. If it had to duplicate the elements (and all the objects they point to, recursively), it would be so slow as to be unusable if you had to do it frequently.

Turbolinks vs react

turbolinks vs react

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