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AmaiSaeta 2024/04/14
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AmaiSaeta 2021/11/15
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AmaiSaeta 2019/05/01
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Godfrey Chan on Twitter: "People say Japan is a very safe country. To put that to the test, I left Â¥200 in one of the most visible spots at tâ€¦ https://t.co/MJAGkdqjaT"
People say Japan is a very safe country. To put that to the test, I left Â¥200 in one of the most visible spots at tâ€¦ https://t.co/MJAGkdqjaT
AmaiSaeta 2018/06/03
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Japan

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AmaiSaeta 2017/06/02
Ruby

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Windowsç’°å¢ƒã§gemãŒSSLã‚¨ãƒ©ãƒ¼ 2016 - Qiita
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AmaiSaeta 2017/01/07
Ruby

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SSL

RubyGems
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Rails and Angular2 Â«Â Tour of HeroesÂ tutorial | Â«Rails and React tutorial
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AmaiSaeta 2016/12/01
programming

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[Ruby] Ruby 3.0 ã®ç‰¹å¤§ã®éžäº’æ›ã«ã¤ã„ã¦ - ã¾ã‚ã‚ã‚‚
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AmaiSaeta 2015/10/06
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AmaiSaeta 2015/05/08
Ruby

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AmaiSaeta 2015/01/21
programming

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Rubyã®ãƒ†ã‚¹ãƒ†ã‚£ãƒ³ã‚°ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã®æ´å²ï¼ˆ2014å¹´ç‰ˆï¼‰ - 2014-11-06 - ã‚¯ã‚¯ãƒã‚°
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AmaiSaeta 2014/11/08
Ruby

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AmaiSaeta 2014/11/07
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Writing Fast Ruby
Originally presented at Baruco 2014. Updated for RubyConf Portugal 2014. Video here: https://www.youtube.com/watch?v=fGFM_UrSp70.
AmaiSaeta 2014/09/29
via: Writing Fast Rubyã¨ã„ã†ã‚¹ãƒ©ã‚¤ãƒ‰ãŒè‰¯ã„ | mah365 http://blog.mah-lab.com/2014/09/27/writing-fast-ruby/

Ruby

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tips
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ãƒ–ãƒãƒƒã‚¯ã‚’doâ€¦endã§æ›¸ãã‹{â€¦}ã§æ›¸ãã‹ã«ã‚ˆã‚ŠæŒ™å‹•ãŒå¤‰ã‚ã‚‹ä¾‹ - Qiita
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AmaiSaeta 2014/05/03
Ruby

programming
ãƒªãƒ³ã‚¯
å®šæ•°STDOUTã¨ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°$stdoutã€ãã—ã¦Rubyã®å‡ºåŠ›ã®ãƒãƒƒãƒ•ã‚¡ãƒªãƒ³ã‚°ï¼ˆloggerã¨ã‹ã§åŽ„ä»‹ï¼‰ - åˆ¥é¤¨ ååååååï¼ˆãã“ã®ã“ã“ãã“ï¼‰ã¯ã¦ãƒ–ãƒéƒ¨
çµè«–ã‚’å…ˆã«ï¼šSTDOUTã¯å®šæ•°ã ã‹ã‚‰å¤‰æ›´ã—ãªã„æ–¹ãŒè‰¯ã„ã§ã™ã€‚ ã‚ã¨ã€Loggerã‚¯ãƒ©ã‚¹ã‚’ä½¿ã£ã¦ãƒã‚°ã‚’å‡ºåŠ›ã™ã‚‹å ´åˆã«ã¯ $stdout.sync = trueã—ã¦ãŠã„ãŸã»ã†ãŒè‰¯ã„ã§ã™ã€‚ STDOUTã¨$stdoutã®é•ã„ STDOUTï¼ˆObject::STDOUTï¼‰ï¼šå®šæ•°ã€‚ $stdoutï¼ˆ$>ï¼‰ï¼šã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°ã€‚åˆæœŸå€¤ãŒSTDOUTã€‚ Kernelãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ï¼žç‰¹æ®Šå¤‰æ•° variable $> $> -> object $stdout -> object æ¨™æº–å‡ºåŠ›ã§ã™ã€‚ çµ„ã¿è¾¼ã¿é–¢æ•° Kernel.#printã€Kernel.#puts ã‚„ Kernel.#p ãªã©ã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®å‡ºåŠ›å…ˆã¨ãªã‚Šã¾ã™ã€‚ åˆæœŸå€¤ã¯ Object::STDOUT ã§ã™ã€‚ ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚ªãƒ—ã‚·ãƒ§ãƒ³ -i ã‚’æŒ‡å®šã—ãŸå ´åˆã«ã¯ èªã¿è¾¼ã¿å…ƒã¨åŒã˜åå‰ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¡¨ã—ã¾ã™ã€‚ $stdout ã«ä»£å…¥ã™ã‚‹ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã«ã¯
AmaiSaeta 2014/03/24
Ruby

tips

programming
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æ©‹æœ¬å•†ä¼š Â» Rubyæ›¸ããªã‚‰Bundlerä½¿ãˆ
Rubyã§ãƒ—ãƒã‚°ãƒ©ãƒ æ›¸ãã«ã‚ãŸã£ã¦ã€bundlerã‚’ä½¿ã‚ãªã„ãƒ—ãƒã‚°ãƒ©ãƒ ã¯1å¹´ãã‚‰ã„çµŒã¤ã¨å‹•ã‹ãªããªã£ã¦ã‚‹äº‹ãŒå¤šã€…ã‚ã£ã¦ã€bundlerãƒžã‚¸é‡è¦ãªã®ã¨ ããã£ã¦ã‚‚ã‚ã¾ã‚Šbundlerã®åˆ©ç‚¹ã‚„èª¬æ˜ŽãŒã¾ã¨ã¾ã£ã¦ã‚‹è¨˜äº‹ãŒãªã‹ã£ãŸã®ã§ ç ”ç©¶å®¤ã®wikiã«æ›¸ã„ãŸè¨˜äº‹ã‚’è»¢è¼‰ã—ã¦ãŠãã€‚ Bundlerã¨ã¯ Bundler: The best way to manage a Ruby application's gems ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆå†…ã§ä½¿ã†Rubygemsã‚’ç®¡ç†ã™ã‚‹ã—ãã¿ã€‚ ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ä¸€ç•ªä¸Šã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«ã€ŒGemfileã€ã¨ã„ã†ãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç½®ãã€ãã®ä¸ã«gemã®åå‰ï¼ˆã¨å¿…è¦ã‚ã‚Œã°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚‚ï¼‰æ›¸ãã€‚ % bundle install ã¨ã„ã†ã‚³ãƒžãƒ³ãƒ‰ã§ã€gemãŒä¸€æ‹¬ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã§ãã‚‹ ãƒ—ãƒã‚°ãƒ©ãƒ å†…ã§ require 'bundler' Bundler.require ã¨æ›¸ãã¨ã€gemãŒä¸€æ‹¬req
AmaiSaeta 2014/03/20
ã’ã€ bundle update ãªã‚“ã¦å‡ºæ¥ãŸã®ã‹(ä»Šã¾ã§gem.lockæ¶ˆã—ã¦ bundle install ã—ç›´ã—ã¦ãŸ)ã€‚

Ruby

bundler

programming
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æ£è¦è¡¨ç¾ã«ã‚ˆã‚‹ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯ ^ ã¨ $ ã§ã¯ãªã \A ã¨ \z ã‚’ä½¿ãŠã†
æ£è¦è¡¨ç¾ã«ã‚ˆã‚‹ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ç‰ã§ã€å®Œå…¨ä¸€è‡´ã‚’ç¤ºã™ç›®çš„ã§ ^ ã¨ $ ã‚’ç”¨ã„ã‚‹æ–¹æ³•ãŒä¸€èˆ¬çš„ã§ã™ãŒã€æ£ã—ãã¯ \A ã¨ \z ã‚’ç”¨ã„ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚Rubyã®å ´åˆ ^ ã¨ $ ã‚’ä½¿ã£ã¦å®Œå…¨ä¸€è‡´ã®ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã‚’è¡Œã†ã¨è„†å¼±æ€§ãŒå…¥ã‚Šã‚„ã™ã„ãƒ¯ãƒŠã¨ãªã‚Šã¾ã™ã€‚Perlã‚„PHPã®å ´åˆã¯ã€Rubyç¨‹ã§ã¯ã‚ã‚Šã¾ã›ã‚“ãŒä¸å…·åˆãŒç”Ÿã˜ã‚‹ã®ã§ \A ã¨ \z ã‚’ä½¿ã†ã‚ˆã†ã«ã—ã¾ã—ã‚‡ã†ã€‚ ã¯ã˜ã‚ã« å¤§åž£ã•ã‚“ã®ãƒ–ãƒã‚°ã‚¨ãƒ³ãƒˆãƒªã€ŒPHPerå‘ã‘ã€Ruby/Railsã®è½ã¨ã—ç©´ã€ã«ã¯ã€Rubyã®è½ã¨ã—ç©´ã¨ã—ã¦ã€å®Œå…¨ä¸€è‡´æ¤œç´¢ã®æŒ‡å®šã¨ã—ã¦ã€æ£è¦è¡¨ç¾ã® ^ ã¨ $ ã‚’æŒ‡å®šã™ã‚‹ä¾‹ãŒã€Ruby on Rails Security Guideã‹ã‚‰ã®å¼•ç”¨ã¨ã—ã¦ç´¹ä»‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ä»¥ä¸‹ã®æ£è¦è¡¨ç¾ã¯ã€XSSå¯¾ç–ã¨ã—ã¦ã€httpã‚¹ã‚ãƒ¼ãƒ ã‚ã‚‹ã„ã¯httpsã‚¹ã‚ãƒ¼ãƒ ã®URLã®ã¿ã‚’è¨±å¯ã™ã‚‹æ£è¦è¡¨ç¾ã®ã¤ã‚‚ã‚Šã§ã™ã€‚ /^https?:\/\/[^\n]+$/
AmaiSaeta 2014/03/04
regexp

Ruby

security
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httpsã§Mechanizeã‚’ä½¿ã† - shima111ã®æ—¥è¨˜
â€»ç’°å¢ƒã¯Windowsã€ruby1.9.3ã€mechanize-2.3ã§ã™ã€‚ Mechanizeã¯rubyã§ã‚¹ã‚¯ãƒ¬ã‚¤ãƒ”ãƒ³ã‚°ã™ã‚‹ã¨ã—ãŸã‚‰ã€ã‚‚ã†å®šç•ªã¨è¨€ã£ã¦ã‚‚ã„ã„ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã—ã‚‡ã†ã€‚æ™®é€šã«ä½¿ã†åˆ†ã«ã¯è‰²ã€…è¨˜äº‹ãŒæ—¢ã«ã‚ã‚‹ã®ã§ã“ã“ã§ã¯httpsã§ã¯ã¾ã£ãŸéƒ¨åˆ†ã‚’ã¡ã‚‡ã£ã¨ã ã‘æ›¸ã„ã¦ã¿ã¾ã™ã€‚ ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯ https ã§æŽ¥ç¶šã™ã‚‹ã¨ OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failedã¨ã‚¨ãƒ©ãƒ¼ãŒå‡ºã¾ã™ã€‚è¨¼æ˜Žæ›¸ã®æ¤œè¨¼ã«å¤±æ•—ã—ã¾ã—ãŸã€ã¨ã„ã†ã“ã¨ã®ã‚ˆã†ã§ã™ã€‚ãªã®ã§ã¨ã‚Šå¾—ã‚‹æ–¹æ³•ã¯2ã¤ã€‚ è¨¼æ˜Žæ›¸ã‚’æ¤œè¨¼ã—ãªã„(=> ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ¼çš„ã«å•é¡Œã‚ã‚Š) èªè¨¼å±€ã®è¨¼æ˜Žæ›¸ã‚’ã¡ã‚ƒã‚“ã¨æŒ‡å®šã™ã‚‹ â– 1. è¨¼æ˜Žæ›¸ã‚’æ¤œè¨¼ã—ãªã„ã§ã‚¹ã‚¯ãƒ¬ã‚¤ãƒ”ãƒ³ã‚°ã™ã‚‹æ–¹æ³• æ¤œè¨¼
AmaiSaeta 2014/02/27
Ruby

Mechanize

SSL

programming
ãƒªãƒ³ã‚¯
gem updateãŒã§ããªã„-certificate verify failed - ãƒªã‚¢å……çˆ†ç™ºæ—¥è¨˜
gemã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒ2.0.2ã ã£ãŸã®ã§æœ€æ–°ã®2.0.3ã«ä¸Šã’ã‚ˆã†ã¨gem updateã‚’ã‚„ã£ãŸãŒåå¿œãŒãªã„ã€ãŸã ã®ã—ã‹ã°ãã®ã‚ˆã†ã ã€‚ $ gem update --system Latest version currently installed. Aborting.gemã®updateã¯å®Ÿéš›ã«ã¯rubygems-updateãŒä½¿ã‚ã‚Œã¦ã„ã‚‹ã‚‰ã—ã„ã®ã§ã€ãã¡ã‚‰ã‚’ã„ã˜ã£ã¦ã¿ãŸã¨ã“ã‚ã€ã‚¨ãƒ©ãƒ¼ãŒå‡ºãŸã€‚ $ gem install rubygems-update ERROR: Could not find a valid gem 'rubygems-update' (>= 0), here is why: Unable to download data from https://rubygems.org/ - SSL_connect returned=1 errno=0 state=SSLv3 r
AmaiSaeta 2014/02/26
Ruby

RubyGems

tips
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æ”¾å°„ç·šè€æ€§ Quine (1 æ–‡å—æ¶ˆã—ã¦ã‚‚å‹•ã Quine) - ã¾ã‚ã‚ã‚‚
ref: https://github.com/mame/radiation-hardened-quine æ”¾å°„ç·šã¯ãƒ¡ãƒ¢ãƒªã‚¨ãƒ©ãƒ¼ã‚’å¼•ãèµ·ã“ã™ã‚‰ã—ã„ã§ã™ã€‚ãã‚“ãªæ”¾å°„ç·šãŒé£›ã³äº¤ã†éŽé…·ãªç’°å¢ƒã§ã‚‚ã€ã§ãã‚‹ã“ã¨ãªã‚‰ Quine ã—ãŸã„ã€‚ ã¨ã„ã†ã“ã¨ã§ã€ãƒ—ãƒã‚°ãƒ©ãƒ å†…ã® 1 æ–‡å—ã‚’ãƒ©ãƒ³ãƒ€ãƒ ã«æ¶ˆã—ã¦ã‚‚å…ƒã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å‡ºåŠ›ã™ã‚‹ã€ãªã‚“ã¨ã‚‚ãƒãƒã‚¹ãƒˆãª Quine ã‚’æ›¸ãã¾ã—ãŸã€‚*1 ä½•ã‚’è¨€ã£ã¦ã„ã‚‹ã‹ã‚ã‹ã‚‰ãªã„ã¨æ€ã„ã¾ã™ãŒã€ã“ã‚“ãªãµã†ã«å‹•ãã‚‚ã®ã§ã™ã€‚ # ãƒ©ãƒ³ãƒ€ãƒ ã« 1 æ–‡å—æ¶ˆã™ã‚¹ã‚¯ãƒªãƒ—ãƒˆ $ cat mutate.rb src = $<.read src[rand(src.size), 1] = "" print src # rrquine.rb ã‹ã‚‰ãƒ©ãƒ³ãƒ€ãƒ ã« 1 æ–‡å—æ¶ˆã—ãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ç”Ÿæˆã™ã‚‹ $ ruby mutate.rb rrquine.rb > broken.rb # å£Šã‚ŒãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè¡Œã™ã‚‹ (
AmaiSaeta 2014/02/20
ãŠã€ãŠã…â€¦â€¦ãŠãŠ!? | ä½•ã‹ä»–ã®è¨€èªžã§ã‚„ã£ã¦ã¿ãŸã„ã€‚

Ruby

programming

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