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Small programming tricks

681 points · 294 comments · signa11

  1. phforms · · focus · HN ↗
    The thing with a lot of these tricks is that you have to get into the habit of using them. I knew `Ctrl+r` for history since I learned about the command line. I even have a nice shell integration with fzf. But I still used the up/down arrow keys for years or scrolled up when I was looking for a previous command, because I never remembered the shortcut and just took the path of least resistance to find something.

    Usually what I do is writing these tricks down to a document that is easily accessible at a place where I know that I will look for when failing to remember them. I have a directory of docs where I write stuff like this down by language/tool/etc., so I can quickly look it up without having to search the internet. But I also have to actively remind myself that these things exist whenever I have a problem, stop me from just doing the inefficient thing.

    1. MomsAVoxell · · focus · HN ↗
      I comment my shell commands, thus:

          $ ,:(){ :|:& };: #forkbomb
      
      This way, when I want to find it again, I CTRL-R and type ‘forkbomb’ .. voila, instant recall!

      All I have to remember is the small ontology I keep in my head for the most important commands I use .. pretty easy if I also construct a narrative for those commands, contextually. “#downup #clearlog #checkconn #amialone #forkbomb”, etc.

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