Code block using the elvish tag:
echo foo
each {|x| echo $x} [foo bar]Code block using the elvish-transcript tag:
Qi Xiao xiaq
xiaq
/ pageupdown.js
Created
February 22, 2023 21:06
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| // ==UserScript== | |
| // @name PageUp/PageDown buttons | |
| // @namespace http://tampermonkey.net/ | |
| // @version 0.1 | |
| // @description Add semi-transparent PageUp/PageDown buttons to the right of every page. Useful when reading web pages on e-ink screens. | |
| // @author xiaq | |
| // @match *://*/* | |
| // @icon https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net | |
| // @grant none | |
| // ==/UserScript== |
xiaq
/ elvish-code-fences.md
Last active
March 23, 2023 18:49
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| /** | |
| * Definition for singly-linked list. | |
| * type ListNode struct { | |
| * Val int | |
| * Next *ListNode | |
| * } | |
| */ | |
| func reorderList(p *ListNode) { | |
| q := findMid(p) | |
| q = reverse(q) |
xiaq
/ 871.java
Created
June 12, 2021 20:23
https://leetcode.com/problems/minimum-number-of-refueling-stops/
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| class Solution { | |
| public int minRefuelStops(int target, int startFuel, int[][] stations) { | |
| int p = 0; // position | |
| int i = 0; // index of first unreachable station | |
| var q = new PriorityQueue<Integer>(stations.length/2 + 1, Collections.reverseOrder()); | |
| q.add(startFuel); | |
| int refills = -1; // we count initial fuel as a filling too, so initialize to -1 | |
| while (p < target) { | |
| if (q.isEmpty()) { |
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| class Solution { | |
| String[] words; | |
| int n; | |
| int[][] prefix; // prefix[i][j] is the minimal k such that words[i][k:] is a prefix of words[j] | |
| int[][] answer; // answer[first][ban] | |
| public String shortestSuperstring(String[] words) { | |
| init(words); | |
| int first = -1; |
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| func shortestSuperstring(words []string) string { | |
| n := uint16(len(words)) | |
| lt := makeLenTable(words) | |
| s := searcher{uint16(n), lt, make([]uint8, n<<n)} | |
| min := uint8(255) | |
| first := uint16(0) | |
| for i := uint16(0); i < n; i++ { | |
| val := s.search(key(i << n)) | |
| if min > val { |
xiaq
/ gist:2430d66a84043670f6e584aca299afb9
Last active
January 31, 2021 23:20
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| ~/on/elvish> # Using homebrew's Go | |
| ~/on/elvish> go build -trimpath -ldflags '-X src.elv.sh/pkg/buildinfo.Reproducible=true -X src.elv.sh/pkg/buildinfo.VersionSuffix=-dev.test' -o elvish-1 ./cmd/elvish | |
| ~/on/elvish> go build -trimpath -ldflags '-X src.elv.sh/pkg/buildinfo.VersionSuffix=-dev.test -X src.elv.sh/pkg/buildinfo.Reproducible=true' -o elvish-2 ./cmd/elvish | |
| ~/on/elvish> # Using official distribution in /usr/local/go | |
| ~/on/elvish> set @paths = /usr/local/go/bin $@paths | |
| ~/on/elvish> go build -trimpath -ldflags '-X src.elv.sh/pkg/buildinfo.Reproducible=true -X src.elv.sh/pkg/buildinfo.VersionSuffix=-dev.test' -o elvish-3 ./cmd/elvish | |
| ~/on/elvish> go build -trimpath -ldflags '-X src.elv.sh/pkg/buildinfo.VersionSuffix=-dev.test -X src.elv.sh/pkg/buildinfo.Reproducible=true' -o elvish-4 ./cmd/elvish | |
| ~/on/elvish> gsha256sum elvish-* # four different binaries! | |
| d918be4495aeb4568b74605995f95bc9eecf053a18b9f3767d774b243982d3ec elvish-1 | |
| 65cb50af54e1b72c6a415d96b2b20737bebb11f757d3c41e4194b5bd22f9f92f elvish-2 |
xiaq
/ network-rx-and-tx.elv
Created
January 21, 2021 00:55
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| rx = 0 | |
| tx = 0 | |
| ip -j -s link | from-json | all (one) | each [iface]{ | |
| if (eq $iface[ifname] lo) { | |
| continue | |
| } | |
| rx = (+ $rx $iface[stats64][rx][bytes]) | |
| tx = (+ $tx $iface[stats64][tx][bytes]) | |
| } | |
| put $rx $tx |
xiaq
/ heredocs.sh
Last active
September 1, 2020 16:10
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| cat > a.go <<EOF | |
| package main | |
| import ( | |
| "fmt" | |
| "io" | |
| "os" | |
| ) | |
| func main() { |
xiaq
/ gist:91b5e7650ce97db744fa8b3575d5f827
Created
January 14, 2020 21:27
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| fn dwm-date { date "+DATE: %d/%m/%y TIME: %H:%M:%S" } | |
| fn dwm-battery { acpi -b | cut -d ',' -f 2 | cut -d ' ' -f 2 } | |
| modules = [ | |
| $dwm-date~ | |
| $dwm-battery~ | |
| ] | |
| while $true { | |
| for m $modules { $m } | |
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