ails db:migrate /home/ruby/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.5/lib/mysql2/client.rb:97: [BUG] Segmentation fault at 0x0000000000000000 ruby 3.0.0p0 (2020-12

plugin to read and write CouchDB documents via Activerecord CSV Parsers FasterCSV - FasterCSV is intended as a complete replacement to the CSV standard library. It is significantly faster and smaller while still being pure Ruby

please read part 3 # or search 'process_client' in this document. process_client(client, buffer) else client.set_timeout @first_data_timeout @reactor.add client end end # ... if background # background: true (for this example) # This part

later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This

read /home/teacher/.rvm/log/1383292840/update_system.log Requirements installation failed with status: 100. 查看 log 如下： [2013-11-01 16:00:40] requirements_debian_update_system requirements_debian_update_system () { __rvm_try_sudo apt-get --quiet --yes update || { typeset

read the manual to learn how to fix this problem: section 'Troubleshooting' -> 'Upon accessing the web app, Nginx reports a "Permission denied" error'; Extra info, client: 127.0.0.1, server: bluesrailsblog.com, request: "GET / HTTP/1.1", host: "bluesrailsblog.com

later migrations canceled: wrong number of arguments(1 for 0)/home/weizhuli/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-4.2.0.beta4/lib/active_record/connection_adapters/abstract_adapter.rb:271:in `initialize' gemfile 文件版本配置信息如下: source 'https://rubygems.org' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '4.2.0.beta4' # Use sqlite3

read and execute the instructions below. Please use a separate terminal to execute any additional commands. Notes for Mac OS X 10.8, Xcode 4.5.1. For JRuby: Install the JDK. See http://developer.apple.com/java/download/ # Current Java

read the links of ruby-doc carefully, you may notice that actually the variable is fiber-local instead of thread-local. Since we rarely use fibers these days, especially for new 2.x Ruby versions

pleased to announce the release of Ruby 2.2.0. Ruby 2.2 includes many new features and improvements for the increasingly diverse and expanding demands for Ruby. For example, Ruby’s Garbage Collector is now able

最近从基础开始学习 JS, 被其中的动态类型转换弄得受不了了, 于是写了Jsquirks (好吧, 我承认是我在参加 Elance 的 JS Skill Test 时被里面的题玩了, 于是我才决定重基础开始研究 JS 的

place everywhere. In Ruby 2.0.0, you can make this kind of change just for yourself using Module#refine: # Ruby 2.0 module IncludeRangeExt refine Range do # Extends the default Range#include? to support range comparisons

later 好自觉的程序猿啊，酒后不宜改代码，多提倡，建议立法机关考虑加条规定，凡是酒后写代码的，一律立案侦办！ #define TRUE FALSE 可以想象当这个 commit 被 merge 进生产环境之后。。。哈哈，整个世界黑白颠倒！对的就是错的，错的就是对的！！！ return 1; # returns 1 这。。。不。。。是。。。废。。。话。。。吗。。。？！ Catch (Exception e) { //who cares? } 哈哈

read the LockFile documentation # (available at ); # you will save yourself a lot of trouble. # # Do NOT add a slash at the end of the directory path. # ServerRoot "/etc/httpd" # # PidFile: The file

plus one, and it's two. I wish Ruby was distributed in this way. Actually, it's not. Currently Ruby was distributed in source code form, and there's no, almost no binary distribution. There

read pain report. The higher the score, the more pain the code is in. * [fukuzatsu](https://gitlab.com/coraline/fukuzatsu/tree/master) - Complexity analysis tool with a rich web front-end. * [MetricFu](https://github.com/metricfu/metric_fu) - A fist full

later expect(UploadBackupsJob).to have_been_performed.on_queue("default") end end 运行测试 $ rspec spec/jobs/upload_backups_job_spec.rb all 通过测试 request rspecRequest spec 使用 Rails 内部方法管理 Widget # spec/requests/widget_management_spec.rb require "rails_helper" RSpec.describe "Widget management", :type => :request do it "creates a Widget

later.” 3.诉求 希望知道从何入手排错，让 ip 访问能出来 rails 页面。 4.passenger 和 nginx 都正常启动 5.nginx/error.log 日志如下 deploy@rails-server-02:~$ sudo less /var/log/nginx/error.log App 6137 output: /home/deploy/sunapp/shared/bundle/ruby/2.6.0/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:29:in `require' App 6137 output: /home/deploy/sunapp/shared/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb

# The Ruby Style Guide > 风格可以用来区分从好到卓越。 > -- Bozhidar Batsov > 榜样很重要。 > -- Officer Alex J. Murphy / RoboCop 有一件事情总是困扰着，作为Ruby程序员的我

Read-only :与.和% vim 是 :: 最近一次使用的命令，.: 最近一次添加的文本，%: 当前的文件名 Alternate buffer # vim 否 大部分情况下，这个寄存器是当前窗口中，上一次访问的缓冲区。请参阅 :h alternate-file 来获取更多帮助 Expression = 用户 否 复制 VimL 代码时，这个寄存器用于存储代码片段的执行结果。比如，在插入模式下复制 =5+5 ，那么这个寄存器就会存入 10 Selection