When it comes tackling things that I might not have immediate confidence in, I try to remind myself that often trying something, even if it is wrong, is the best way to learn whether I need to try something else. The sooner that course correction can be made, the easier it is to build confidence.
When it comes to code, I try to build tight feedback cycles into everything I do. I find the more I can get into the habit of making a small change and quickly seeing the result of that, the better my development cadence and therefore the easier it is to gain confidence in a path.
To lend confidence to others, I try to encourage both of the aforementioned things: fail fast to learn quickly and find ways to make feedback loops tighter.
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