Need to generate a simple calendar for a specific month or year? The cal command does just that.

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MySQL running slow and want to see which queries are running? If you can get a mysql> prompt, try SHOW PROCESSLIST or SHOW FULL PROCESSLIST.

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If you ran a git pull and need to revert, you can use git reflog to find the last revision you were on before you pulled:

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1Password makes it hard to find their “classic” browser extensions (i.e. the ones that work without a subscription), so, here they are: https://support.1password.com/cs/1password-classic-extension/

A strong collaborative culture is one of my favorite parts of coming to work every day. One thing that isn’t touched on often is that disagreement can actually be an indicator of a healthy team.

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I stumbled across this quote on Hacker News that talks about what it feels like to be a good programmer:

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I like to specify a different git author email for personal projects and work projects. This can be done per-repo with git config user.name and git config user.email, but it can be easy to forget as you clone repos. Here is how I used direnv to accomplish this automatically.

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As a fully distributed team, Slack is our main tool for real-time communication with each other. Keeping up with dozens of messages a day can be daunting, and distractions abound. Here are just a few ways I’ve seen remote teams of all sizes use Slack effectively to cut through the noise and keep the communication flowing.

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If you like to manually set your $PATH on macOS, you may have updated /etc/zprofile (for ZSH) or /etc/profile (for Bash) to eliminate calls to path_helper. Unfortunately, macOS will update these files when you install OS updates. I’ve been bitten by this changing my $PATH, so I came up with the following snippet to warn when it happens.

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I needed to install Ruby 2.3.2 on macOS 10.15 and hit some snags with OpenSSL.

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