[B! lambda] udzuraã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

udzura id:udzura

lambdaã«é–¢ã™ã‚‹udzuraã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (13)

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æ¦‚è¦ Lambdaã¯100msã®å®Ÿè¡Œæ™‚é–“å˜ä½ã§ã‚ªãƒ³ãƒ‡ãƒžãƒ³ãƒ‰ã«èª²é‡‘ã•ã‚Œã‚‹ãŸã‚ã€ç«‹ã¡ä¸Šã’ã£ã±ãªã—ã®EC2ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚ˆã‚Šã‚‚ã€æ–™é‡‘ãŒå®‰ããªã‚‹å¯èƒ½æ€§ãŒã‚ã‚‹ã“ã¨ãŒä¸€èˆ¬ã«çŸ¥ã‚‰ã‚Œã¦ã„ã‚‹ã€‚ ã—ã‹ã—ã€ä»¥ä¸‹ã®æ€§è³ªã‚’æº€ãŸã™ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯ã€EC2ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ä¸Šã«æ§‹ç¯‰ã—ãŸã‚±ãƒ¼ã‚¹ã¨æ¯”è¼ƒã—ã¦ã€Lambdaä¸Šã«æ§‹ç¯‰ã—ãŸã»ã†ãŒã‚³ã‚¹ãƒˆåŠ¹çŽ‡ãŒæ‚ªããªã‚‹ã®ã§ã¯ãªã„ã‹ã¨è€ƒå¯Ÿã—ã¦ã¿ãŸã€‚ Lambda functionã®å®Ÿè¡Œæ™‚é–“ã®ã†ã¡ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯I/Oæ™‚é–“ãŒæ”¯é…çš„ã§ã‚ã‚‹ Lambda functionã®å®Ÿè¡Œçµ‚äº†ã‚’åŒæœŸçš„ã«å¾…ãŸãªã‘ã‚Œã°ãªã‚‰ãªã„ è¤‡æ•°ã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’Lambda functionã®å¼•æ•°ã«æ¸¡ã™ã“ã¨ãŒã§ããªã„ Lambdaã®åŸºæœ¬ã‚³ã‚¹ãƒˆæ§‹é€ ã¾ãšã€Lambdaã®ã‚³ã‚¹ãƒˆæ§‹é€ ã‚’æŠŠæ¡ã™ã‚‹ã€‚ Lambdaã®æ–™é‡‘è¡¨[1]ã«ã‚ˆã‚‹ã¨ã€ã€Œfunctionã«å¯¾ã™ã‚‹åˆè¨ˆãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã€ã¨ã€Œfunctionã®åˆè¨ˆå®Ÿè¡Œæ™‚é–“ã€ã«å¿œã˜ã¦æ–™é‡‘ãŒç™ºç”Ÿã™ã‚‹ã€‚ å¾Œ
udzura 2017/11/07
å‹‰å¼·ã«ãªã‚‹

lambda
ãƒªãƒ³ã‚¯
ãªãœAWSÂ Lambdaã¨RDBMSã®ç›¸æ€§ãŒæ‚ªã„ã‹ã‚’ç°¡å˜ã«èª¬æ˜Žã™ã‚‹ - Sweet Escape
2020/01/20 Update: æœ¬ã‚¨ãƒ³ãƒˆãƒªã®å†…å®¹ã¯2019å¹´12æœˆ3æ—¥ã«ã‚¢ãƒŠã‚¦ãƒ³ã‚¹ã•ã‚ŒãŸã€ŽAmazon RDS Proxyã€ã®ãƒªãƒªãƒ¼ã‚¹ã«ã‚ˆã‚Šå®Œå…¨ã«é™³è…åŒ–ã—ã¾ã—ãŸã€‚éŽåŽ»ã®ã‚¢ãƒ³ãƒãƒ‘ã‚¿ãƒ¼ãƒ³ãŒãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ã‚’ã‚‚ã¨ã«ã—ãŸæ”¹å–„ã«ã‚ˆã£ã¦ã‚¢ãƒ³ãƒãƒ‘ã‚¿ãƒ¼ãƒ³ã§ã¯ãªããªã‚‹ã¨ã„ã†æœ€é«˜ã®äº‹ä¾‹ã§ã™ã€‚ ã‚µãƒ¼ãƒãƒ¼ãƒ¬ã‚¹å…ƒå¹´å§‹ã¾ã£ãŸï¼ ä»Šå¹´ãŒã‚µãƒ¼ãƒãƒ¼ãƒ¬ã‚¹å…ƒå¹´ãªç†ç”±. ãã‚Œã¯Lambdaã«ä»¥ä¸‹ãŒæƒã£ãŸã‹ã‚‰. ãƒ»ã‚«ã‚¹ã‚¿ãƒ ãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã§å®Ÿè³ªã©ã‚“ãªè¨€èªžã§ã‚‚åˆ©ç”¨å¯èƒ½ ãƒ»VPCåˆ©ç”¨æ™‚ã®ã‚³ãƒ¼ãƒ«ãƒ‰ã‚¹ã‚¿ãƒ¼ãƒˆæ”¹å–„ ãƒ»Provisioned Concurrencyã§ã‚¹ãƒ‘ã‚¤ã‚¯å¯¾å¿œã‚‚å¯èƒ½ ãƒ»RDS Proxyã§RDBã¨ã®æŽ¥ç¶šãŒç¾å®Ÿçš„ã« ã“ã‚Œã¾ã§5å¹´ã§å—ã‘ãŸãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ãŒã¤ã„ã«çµå®Ÿ. å¼·ã„â€” Keisuke Nishitani (@Keisuke69) 2020å¹´1æœˆ19æ—¥ RDS Proxyã®è©³ç´°ã¯ã“ã¡ã‚‰ã‹ã‚‰ã©ã†ãžã€‚ã¾ã ãƒ—ãƒ¬ãƒ“ãƒ¥ãƒ¼ã§ã™ãŒãœã²è©¦ã—ã¦
udzura 2017/06/22
lambda
ãƒªãƒ³ã‚¯
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AWS Summit Tokyo 2017ã®Serverless Evolution Dayã§ã®è¬›æ¼”è³‡æ–™ã§ã™ã€‚
udzura 2017/06/09
aws

serverless

lambda
ãƒªãƒ³ã‚¯
ServerlessConfã«å‚åŠ ã—ãŸã€‚ã¨ã¦ã‚‚ã‚ˆã‹ã£ãŸã€‚
10/1(åœŸ)ã«é–‹å‚¬ã•ã‚ŒãŸServerlessConfã«å‚åŠ ã—ã¦ããŸã€‚æœ€è¿‘ä»•äº‹ã§AWS Lambdaã‚’è§¦ã£ã¦ã€ã¡ã‚‡ã£ã¨å‹•å‘ã‚’çŸ¥ã£ã¦ãŠã“ã†ã¨æ€ã£ãŸã®ãŒå‹•æ©Ÿã€‚ ä¼šå ´ã¯TABLOIDã¨ã„ã†ã¨ã“ã‚ã€‚ æ™®æ®µè¡Œã‹ãªã„å ´æ‰€ãªã®ã§å¤–ã‚’è¦‹ã¦ã„ãŸã‚Šã—ãŸã‚‰ä¹—ã‚ŠéŽã”ã—ã¦ã€æˆ»ã‚‹ç¾½ç›®ã«ãªã£ã¦ã—ã¾ã£ãŸã€‚ ã‚»ãƒƒã‚·ãƒ§ãƒ³ã¯ã€ã‚µãƒ¼ãƒãƒ¬ã‚¹(ã®FaaS)ã‚’æä¾›ã™ã‚‹ã‚µãƒ¼ãƒ“ã‚¹(AWS Lambdaã‚„IBM Bluemix OpenWhiskã€Azure Function)ã®ç´¹ä»‹ã€FaaSã¨BaaSã‚’ä½¿ã£ã¦ã‚µãƒ¼ãƒ“ã‚¹ã‚’æ§‹ç¯‰ã—ãŸäº‹ä¾‹ã®ç´¹ä»‹ã€FaaSé–¢ä¿‚ã®ãƒ„ãƒ¼ãƒ«ã‚„ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã®ç´¹ä»‹ã¨ã„ã£ãŸã‚‚ã®ã§ã€ä¸€é€šã‚Šã‚ãƒ£ãƒƒãƒã‚¢ãƒƒãƒ—ã§ãã‚‹ã‚‚ã®ã ã£ãŸã€‚ ä¼šå ´ã®TABLOIDã€‚ä¸ã«å…¥ã‚‹ã¨ããããã¨æ›²ãŒã‚‹ç´°ã„é€šè·¯ã‚’é€²ã‚€ã€‚å¤§ä¸ˆå¤«ãªã®ã‹ã“ã“â€¦ã¨æ€ã£ã¦ã„ã‚‹ã¨ã€åºƒã„ä¼šå ´ã«ç€ãã“ã¨ãŒã§ããŸã€‚ ä»•äº‹ã§Lambdaã‚’è§¦ã‚‹ã¾ã§ã‚ã¾ã‚Šé–¢å¿ƒãŒãªã‹ã£ãŸã®ã§ã€ãã‚‚ãã‚‚Serverlessã®
udzura 2016/10/04
k1Lowæ°ã€ä½•è€…ãªã‚“ã ...

lambda

faas
ãƒªãƒ³ã‚¯
Feature #12125: Proposal: Shorthand operator for Object#method - Ruby master - Ruby Issue Tracking System
Hello, The & operator lets one pass a #call-able object as block. Really useful feature, but at the moment, if you want to pass a Method this way the syntax is not really concise: Dir["*/*.c"].map(&File.method(:basename)) More often than not, at least I end up writing this instead .map{|a| File.basename a} which isn't that great either. Thus, I want to propose adding a short-hand operator to the r
udzura 2016/03/16
æ°—ã«ãªã‚‹Issueã‚’æ•™ãˆã¦ã„ãŸã ã„ãŸ

lambda

object

ruby
ãƒªãƒ³ã‚¯
API Gateway / Lambda / Kinesis ã‚’ä½¿ã£ãŸã‚¹ãƒˆãƒªãƒ¼ãƒŸãƒ³ã‚°ãªãƒãƒƒãƒå®Ÿè¡ŒåŸºç›¤ã®å®Ÿè£…
AWSãƒ¢ãƒã‚¤ãƒ«/IoTã‚µãƒ¼ãƒ“ã‚¹å¾¹åº•æ”»ç•¥ï¼ï¼ http://classmethod.connpass.com/event/22060/ 2015å¹´11æœˆ21æ—¥ï¼ˆåœŸï¼‰
udzura 2015/11/22
ã‚ãƒã‚·ã‚¹ã“ã†ä½¿ã†ã®ã‹

lambda

aws
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EC2ã‚’ä½¿ã‚ãªã„ã¨ã„ã†ã“ã¨ - yuukigoodman blog
å…ˆæ—¥ã€ç¤¾å†…å‹‰å¼·ä¼šã§ç™ºè¡¨ã—ã¦ãã¾ã—ãŸã€‚ ã“ã®ä»•çµ„ã¿ã‚’ä½œã‚‹ã«ã‚ãŸã‚Šã€ã¾ãšåƒ•ã¯é›‘ã«iOSã‚¢ãƒ—ãƒªã‚’ä½œã‚Šã¾ã—ãŸã€‚ å…·ä½“çš„ã«ã¯ã€ä»¥ä¸‹ã®ã‚¹ãƒ©ã‚¤ãƒ‰ã®ã‚ˆã†ã«ã€iOSã‚¢ãƒ—ãƒªã«Slackã®ã‚ãƒ¼ã‚’ãƒãƒ¼ãƒ‰ã‚³ãƒ¼ãƒ‰ã—ã¦ç›´æŽ¥æŠ•ç¨¿ã™ã‚‹ã¨ã„ã†ã‚‚ã®ã§ã™ã€‚ ã“ã‚Œã§ã‚‚å‹•ãã®ã§ã™ãŒã€æ™®é€šã¯ã‚ãƒ¼ã‚’ãƒãƒ¼ãƒ‰ã‚³ãƒ¼ãƒ‰ã¨ã‹ã—ã¾ã›ã‚“ã€‚ ãã“ã§APIã‚µãƒ¼ãƒã‚’ç”¨æ„ã—ã¦iOSã‚¢ãƒ—ãƒªã‹ã‚‰ãã“ã«é€šä¿¡ã—ã¦æŠ•ã’ã¦ã‚‚ã‚‰ã†ã‚ã‘ã§ã™ã€‚ ã—ã‹ã—ã€ä»Šå›žã¯ä»¥ä¸‹ã®æ§‹æˆã‚’è€ƒãˆã¾ã—ãŸã€‚ ã“ã“ã§è¨€ã„ãŸã„ã“ã¨ã¯ã€EC2ã‚’ä½¿ã£ã¦ã„ãªã„ã¨ã„ã†ã“ã¨ã§ã™ã€‚ Cognitoã§AWSã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ãƒˆãƒ¼ã‚¯ãƒ³ã‚’å–å¾— iOAã‚¢ãƒ—ãƒªã‹ã‚‰DynamoDBã«ç›´æŽ¥UPDATEã‚’ã‹ã‘ã‚‹ äº‹å‰ã«è¨å®šã—ã¦ãŠã„ãŸDynamoDB Streamsã«ã‚ˆã‚Šã€Lambda FunctionãŒç™ºç« Lambda Functionã‹ã‚‰Slackã¸ã®æŠ•ç¨¿ãŒè¡Œã‚ã‚Œã‚‹ ã¨ã„ã†ã‚ˆã†ã«ã€EC2ç„¡ã—ã§æœ€åˆã«å®Ÿç¾ã—ãŸã‹ã£ãŸAPIã‚µãƒ¼ãƒã®ã‚ˆã†ãª
udzura 2015/09/05
ã„ã„è©±ãƒ†ã‚£é«˜ã„

ec2

lambda

aws
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ç´”ç²‹é–¢æ•°åž‹è¨€èªžRuby (RubyHiroba ver)
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udzura 2013/06/03
ã„ã„ãªã€œã€€æœ¬ã‚’è²·ã£ãŸéš›ã«ã¯ä¸€ç·’ã«è¦‹ã‚ˆã†

ruby

lambda
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Rubyã§é–¢æ•°åˆæˆã¨ã‹ã—ãŸã„ã®ã§ lambda_driver.gem ã¨ã„ã†ã®ã‚’ä½œã£ãŸ - ( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜
LambdaDriver by yuroyoro Rubyã§ã€Procã‚„lambdaã§é–¢æ•°åˆæˆã§ãã‚‹ã‚ˆã†ã«ã—ãŸã‹ã£ãŸã®ã§ã€lambda_driver.gemã¨ã„ã†ã®ã‚’ä½œã£ãŸã€‚ å†…å®¹çš„ã«ã¯ã“ã®è¾ºã§æ›¸ã„ãŸãƒ¤ãƒ„ã‚’gemã«ã—ãŸæ„Ÿã˜ã€‚ ã€Œé–¢æ•°åž‹Rubyã€ã¨ã„ã†ç—…(2) - é–¢æ•°åˆæˆ Proc#compose - ( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜ ã€Œé–¢æ•°åž‹Rubyã€ã¨ã„ã†ç—…(3) - ã‚«ãƒªãƒ¼åŒ–(Proc#curry, Proc#flip) - ( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜ ã“ã‚“ãªé¢¨ã«ã€ã‚«ãƒƒã‚³ã‚ˆãã‚³ãƒ¼ãƒ‰ãŒæ›¸ã‘ã‚‹ã€‚ require 'lambda_driver' # [:foo, :bar, :baz].map{|s| s.to_s }.map{|s| s.upcase } # [:foo, :bar, :baz].map(&:to_s).map(&:upcase) [:foo, :bar, :baz].map(
udzura 2013/03/27
æ¿€ã—ã³ã‚Œã‚‹ã€‚ã™ã”ã„

lambda

ruby
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Amazon.co.jp: è¨ˆç®—è«–: è¨ˆç®—å¯èƒ½æ€§ã¨ãƒ©ãƒ ãƒ€è¨ˆç®— (ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã‚µã‚¤ã‚¨ãƒ³ã‚¹å¤§å¦è¬›åº§ 24): é«˜æ©‹æ£å: æœ¬
udzura 2013/01/02
amazon

book

lambda
ãƒªãƒ³ã‚¯
GitHub - kimoto/retry-handler: Ruby - Easy retry handling
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udzura 2012/03/13
ä¾¿åˆ©ãã†

ruby

lambda
ãƒªãƒ³ã‚¯
FizzBuzzã‚³ãƒ³ãƒãƒ¼ã‚¿ãƒ¼ - smilerubyã®ãƒ–ãƒã‚°
æœ€è¿‘FizzBuzzè¨˜äº‹ãŒå¤šã„ã§ã™ãã€‚ ã¨ã„ã†ã“ã¨ã§ã€ç§ã‚‚ä¹—ã£ã‹ã£ã¦ãƒã‚¿ã‚’ä¸€ã¤ ruby # coding: UTF-8 class Converter def initialize @specs = [] end def specs( value , &cond ) @specs << lambda { |e| cond[e] ? value : nil } end def to_proc lambda { |e| conved = @specs.map{ |spec| spec[e] }.join conved.empty? ? e : conved } end end if __FILE__ == $0 ARGV[0] or raise "Requires an integer argument." max = ARGV[0].to_i fizzbuzz = Converter.ne
udzura 2011/12/16
ã‚¯ï½žãƒ«ãªæ›¸ãæ–¹ã®ä¾‹

ruby

lambda
ãƒªãƒ³ã‚¯
ãƒ©ãƒ ãƒ€è¨ˆç®—åŸºç¤Žæ–‡æ³•æœ€é€Ÿãƒžã‚¹ã‚¿ãƒ¼ - è²³ä½°ä¼æ‹¾é™¸å¤œæ—¥è¨˜
ãƒ©ãƒ ãƒ€è¨ˆç®—ã¯, å¤šãã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž, ã¨ãã«é–¢æ•°åž‹è¨€èªžã®åŽŸå½¢ã«ãªã£ã¦ã„ã¾ã™. ãƒ©ãƒ ãƒ€è¨ˆç®—ã«ã¤ã„ã¦ç†è§£ã—ã¦ãŠãã“ã¨ã¯, å¤šãã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®ç¿’å¾—ã«å½¹ç«‹ã¤ã§ã—ã‚‡ã†. ãƒ©ãƒ ãƒ€è¨ˆç®—ã¯ãƒãƒ¥ãƒ¼ãƒªãƒ³ã‚°å®Œå…¨ã§, è¨ˆç®—èƒ½åŠ›ã¨ã—ã¦ã¯ãµã¤ã†ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã¨åŒã˜ã§ã™. ãƒ©ãƒ ãƒ€è¨ˆç®—ã§è¨ˆç®—ã‚’æ›¸ãè¨“ç·´ã‚’ã—ã¦ãŠãã“ã¨ã¯, ä»»æ„ã®è¨ˆç®—ã‚’é–¢æ•°ã®ã¿ã‚’ä½¿ã£ã¦(ä»–ã®åˆ¶å¾¡æ§‹æ–‡ã‚’ç”¨ã„ãšã«)æ›¸ãã¨ãã«å½¹ç«‹ã¡ã¾ã™. ãµã¤ã†ã«æ›¸ã„ãŸã‚‰ç…©é›‘ãªå‡¦ç†ã‚’, é–¢æ•°åž‹è¨€èªžã®ã‚„ã‚Šæ–¹ã§æ›¸ãã¨ã™ã£ãã‚Šã™ã‚‹ã“ã¨ãŒå¤šã€…ã‚ã‚Š, ã‚³ãƒ¼ãƒ‰ã‚’è‡ªç”±è‡ªåœ¨ã«æ›¸ããŸã‚ã«ã¯å¿…é ˆã®è€ƒãˆæ–¹ã¨è¨€ãˆã‚‹ã§ã—ã‚‡ã†. é … ãƒ©ãƒ ãƒ€è¨ˆç®—ã®å¼ã‚’é …(term)ã¨è¨€ã„ã¾ã™. é …ã¯å¤‰æ•°, æŠ½è±¡, é©ç”¨ã®ã„ãšã‚Œã‹ã§ã™. å¤‰æ•° å¤‰æ•°(variable)ã¯ãµã¤ã†1æ–‡å—ã§æ›¸ãã¾ã™. å¤‰æ•°ã«ã¯é–¢æ•°å†…ã®æŸç¸›å¤‰æ•°(bound variable)ã‹è‡ªç”±å¤‰æ•°(free variable)ã‹ã¨ã„ã†åŒºåˆ¥ãŒã‚ã‚Š
udzura 2011/11/18
æ•°å¦ã‚¬ï½žãƒ«ã®ä¸‰å·»ã‚’ç†Ÿèªã™ã‚Œã°ãƒ©ãƒ ãƒ€è¨ˆç®—ãŒåˆ†ã‹ã‚‹æ°—ãŒã—ã¦ããŸ

programming

tutorial

lambda
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