serihiro

Contents

#0 setup ruby2.4.2 and rails 5.1.4

#1 rails new

#2 generate model Post

#3 generate PostController and views

#4 generate User model, implement LoginController and its views

#5 associate Post and User mode

#6 introduce user following feature

#7 setup rspec and implement controller specs

#8 introduce fav feature

serihiro

require 'strscan'

sample = "{   \"name   \"  :   \"Tarou\"  }   "

scanner = StringScanner.new(sample)
state = 'waiting_key'
brace_open = false
buffer = ''
output = []

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# http://archive.ics.uci.edu/ml/datasets/NSF+Research+Award+Abstracts+1990-2003
find . -print | grep -i '.*[.]txt' | xargs cat | sed -ne '/^Abstract\s\{1,\}:$/, $p' | sed -ne '3, $p' > merged.txt

serihiro

• https://github.com/bbatsov/rubocop/blob/dcb3f160a2e23218a7826aadd0e64baefd6d7521/lib/rubocop/cop/registry.rb#L92

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環境

$ javac -version
javac 1.8.0_91

$ embulk --version
embulk 0.8.27

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F, [2017-07-14T02:27:00.455957 #27196] FATAL -- : execution expired (Faraday::TimeoutError)
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/httpclient-2.8.3/lib/httpclient/session.rb:611:in `initialize'
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/httpclient-2.8.3/lib/httpclient/session.rb:611:in `new'
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/httpclient-2.8.3/lib/httpclient/session.rb:611:in `create_socket'
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/httpclient-2.8.3/lib/httpclient/session.rb:755:in `block in connect'
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/2.3.0/timeout.rb:101:in `timeout'
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/httpclient-2.8.3/lib/httpclient/session.rb:748:in `connect'
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/httpclient-2.8.3/lib/httpclient/session.rb:511:in `query'
/home/deploy/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/httpclient-2.8.3/lib/httpclient/session.rb:177:in `query'

serihiro

{
  "name": "DeleteNiconicoNewsBar",
  "version": "0.0.1",
  "manifest_version": 2,
  "description": "The exntension which deletes a niconicoo news bar.",
  "content_scripts": [
    {
      "matches": ["http://www.nicovideo.jp/watch/*"],
      "js": ["script.js"],
      "run_at": "document_idle"

serihiro

#include <stdio.h>

void swap(int v[], int k){
    int temp;
    temp = v[k];
    v[k] = v[k+1];
    v[k+1] = temp;
}

void sort(int v[], int n){

serihiro

• MIPSの命令は32ビット固定であるがゆえに32ビットの定数やアドレスを格納することはできない
• しかし扱えた方が便利な場合がある。そのMIPSにおける解決策を示す

32ビットの即値オペランド

• 定数は大体が16ビットに収まる（表現できる）が、超えることもある
• MIPSには16ビットを超える定数の上位16ビットを指定したレジスタの上位16bitに格納するための命令 lui がある
• 命令フォーマットは Iフィールド で OP(6) + rs(5) + rt(5) + 即値16ビット

例題

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3月18日(土)

集合時間

• 10:00

集合場所

• 大宮駅の 改札を出たところにある みどりの窓口前