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#!/usr/bin/env ruby | |
# -*- coding: utf-8 -*- | |
# 有关 Fiber 的解释: (按照数据流的方向分为两部分) | |
# 在 `主线程' 中使用 resume 方法来启动(或继续执行)一个 `纤程'. | |
# 1. 第一次调用 fiber.resume, 会启动一个纤程, | |
# 如果 resume 调用时提供了实参, 会作为代码块形参传入代码块. | |
# 2. 如果非第一次调用 fiber.resume, 即, `恢复' 一个纤程, 会做两件事: | |
# - 从上次离开纤程的那个位置(调用 Fiber.yield 离开纤程的那个位置), 恢复纤程的执行. |
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bak_dir=~/Downloads | |
name=ik_kefu | |
full_name=$bak_dir/${name} | |
keep_count=3 | |
date=$(date '+%Y-%m-%dT%H%M') | |
[ -e $full_name.zip ] && mv $full_name.zip "$full_name$date.zip" | |
bak_files=$(find $bak_dir/ -maxdepth 1 -name "${name}????-??-??T????.zip" |sort -V) |
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require 'epitools' | |
%w[gdbm sdbm cdb].each { |lib| require lib } | |
DBS = [ | |
[GDBM, GDBM], | |
[SDBM, SDBM], | |
[CDBMake, CDB ], | |
] | |
NUM = 100000 |
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#! /bin/bash | |
if ! fgrep -qs 'ctrl:new_ctrl = +new_ctrl(new_ctrl)' /usr/share/X11/xkb/rules/evdev; then | |
sudo sed -i.bak '/ctrl:nocaps[[:blank:]]*=[[:blank:]]*+ctrl(nocaps)/a\ | |
ctrl:new_ctrl = +new_ctrl(new_ctrl) | |
' /usr/share/X11/xkb/rules/evdev | |
fi | |
cat <<'HEREDOC' |sudo tee /usr/share/X11/xkb/symbols/new_ctrl | |
partial modifier_keys |
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def tarai(x, y, z) | |
x <= y ? y : tarai( | |
tarai(x-1, y, z), | |
tarai(y-1, z, x), | |
tarai(z-1, x, y) | |
) | |
end | |
require 'benchmark' |
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#!/bin/bash | |
sec=$(date '+%Y%m%d%H%M%S') | |
mkdir -p db/migrations | |
set -u | |
new_migration=db/migrations/${sec}_$1.rb | |
if [[ "$1" =~ ^create_join_table_for_(.+)_and_(.+) ]]; then | |
content="create_join_table" |
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#!/usr/bin/env ruby | |
puts 'test github token' |
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# System Info: | |
1. `uname -a`: | |
Linux zbook 5.12.12-arch1-1 #1 SMP PREEMPT Fri, 18 Jun 2021 21:59:22 +0000 x86_64 GNU/Linux | |
2. `lsb_release`: | |
`lsb_release` not found. | |
3. `/etc/lsb-release`: |
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res = [] | |
File.foreach('mastering-roda.org').each do |line_content| | |
line_content.scan(/(\b\w{2,}\b) (\b\k<1>\b)/).each do |e| | |
next if e == ['btn', 'btn'] | |
res << [line_content, e] | |
end | |
end |
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#!/usr/bin/env ruby | |
begin | |
require "bundler/inline" | |
rescue LoadError => e | |
$stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler" | |
raise e | |
end | |
gemfile(true) do |
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