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#!/usr/bin/env bash

# Download all images listed in list.txt then make it a PDF

wget --input list.txt -O $1.jpg

convert *.jpg output.pdf

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Remove old linux kernels

Script way

# Dry run to check
bash remove-old-kernels.sh

# Run
bash remove-old-kernels.sh exec

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[1, 2, 3].push(4)
// [1,2,3,4]

[1, 2, 3].pop()
// [1,2]

[1, 2, 3].shift()
// [2,3]

[1, 2, 3].unshift(0)

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const options = {
  n6 : { price: 10, columns: 6 },
  n7 : { price: 70, columns: 7 },
  n8 : { price: 280, columns: 8 }
}

const opt = 'n7'
const rows = 10

const columns = options[opt].columns

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Pure ESM package

The package linked to from here is now pure ESM. It cannot be require()'d from CommonJS.

This means you have the following choices:

1. Use ESM yourself. (preferred)
   Use import foo from 'foo' instead of const foo = require('foo') to import the package. You also need to put "type": "module" in your package.json and more. Follow the below guide.
2. If the package is used in an async context, you could use await import(…) from CommonJS instead of require(…).
3. Stay on the existing version of the package until you can move to ESM.

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[Settings]
ID = "Your_Site_ID"

# Settings in the [build] context are global and are applied to all contexts unless otherwise overridden by more specific contexts.

[build]
  # This is the directory to change to before starting a build.
  base    = "project/"
  # NOTE: This is where we will look for package.json/.nvmrc/etc, not root.
  # This is the directory that you are publishing from (relative to root of your repo)

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Stuff I wish I'd known sooner about service workers

I recently had several days of extremely frustrating experiences with service workers. Here are a few things I've since learned which would have made my life much easier but which isn't particularly obvious from most of the blog posts and videos I've seen.

I'll add to this list over time – suggested additions welcome in the comments or via twitter.com/rich_harris.

Use Canary for development instead of Chrome stable

Chrome 51 has some pretty wild behaviour related to console.log in service workers. Canary doesn't, and it has a load of really good service worker related stuff in devtools.

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// Add on element with overflow
-webkit-mask-image: -webkit-radial-gradient(white, black);

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body{
    background:none;
    font-family:arial;
    max-width:1440px;
    margin:0 auto;
    font-size:16px;
}

h1,h2{
    color:white;

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# source: https://docs.nextcloud.com/server/19/user_manual/files/access_webdav.html#accessing-files-using-curl

curl -u USERNAME:PASSWORD -T /path/to/file https://my.nextcloud.tld/remote.php/dav/files/USERNAME/path/to/directory/