kennethreitz.org
This website is a work–in–progress; it is a place where I share my thoughts, ideas, and projects with the world. Thanks for stopping by! I am a software engineer, writer, and speaker, and I am passionate about technology, open source, and education. Previously, I was very interested in photography and music as well. I am known mostly for my open–source creations, such a Requests and Pipenv. In the
Python: ç¾åœ¨ã®æ—¥ä»˜ãƒ»æ™‚刻ã®å–å¾—ã¨å‡ºåŠ› – datetimeクラスã®å±žæ€§ã€today()ã€strftime()メソッド
ソースコード #!/usr/bin/python # coding: UTF-8 # ç¾åœ¨ã®æ—¥ä»˜ãƒ»æ™‚刻ã®å–å¾—ã¨å‡ºåŠ› | datetimeクラスã®å±žæ€§ã€today()ã€strftime()メソッドã®ä½¿ã„æ–¹ import datetime # datetimeモジュールã®ã‚¤ãƒ³ãƒãƒ¼ãƒˆ import locale # importæ–‡ã¯ã©ã“ã«æ›¸ã„ã¦ã‚‚OK(å¯èªæ€§ãªã©ã®ç‚ºã€æ…£ä¾‹ã§ã‚³ãƒ¼ãƒ‰ã®å§‹ã‚ã®æ–¹) # today()メソッドã§ç¾åœ¨æ—¥ä»˜ãƒ»æ™‚刻ã®datetime型データã®å¤‰æ•°ã‚’å–å¾— d = datetime.datetime.today() # ↑モジュールå.クラスå.メソッドå print 'd == %s : %s\n' % (d, type(d)) # Microsecond(10^-6sec)ã¾ã§å–å¾— # datetimeåž‹ã®å„属性ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ # year, month, day print
[perl] DateTime ã«ã‚ˆã‚‹æ—¥æ™‚処ç†ã«ã¤ã„ã¦ã®ãƒ¡ãƒ¢
ping ã«ã‚ˆã‚‹ç–Žé€šã¯ç¢ºèªã§ãã‚‹ã®ã«ã€ã„ã– ssh ãªã©ã§ç¹‹ã”ã†ã¨ã™ã‚‹ã¨ No route to host ã¨ã„ã†ã‚¨ãƒ©ãƒ¼ã§å³åº§ã«æŽ¥ç¶šå¤±æ•—ã—途方ã«æš®ã‚Œã‚‹å ´åˆã€ãŠãらãåŽŸå› ã¯æŽ¥ç¶šå…ˆã®ãƒ›ã‚¹ãƒˆã® iptables ã«ã‚ˆã‚Šãƒ‘ケットãŒãƒ–ãƒãƒƒã‚¯ã•ã‚Œã€åˆ°é”ä¸èƒ½ã‚’æ„味ã™ã‚‹ ICMP パケットãŒè¿”ã£ã¦ããŸã“ã¨ã«ã‚ˆã‚Šã¾ã™ã€‚ 以下ã®ã‚³ãƒžãƒ³ãƒ‰ã§ INPUT ãƒãƒªã‚·ãƒ¼ã‚’ãƒã‚§ãƒƒã‚¯ã—ã¾ã™ã€‚上ã‹ã‚‰é †ã«ãƒžãƒƒãƒã•ã›ã¦ã„ãã€ãƒžãƒƒãƒã—次第ジャンプã—ã¦çµ‚ã‚ã‚‹ã®ã§ã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆæ¡ä»¶ã®è¨å®šã•ã‚Œã¦ã„ãã†ãªä¸€ç•ªä¸‹ã®è¡ŒãŒè‚心ã§ã™ã€‚ # /sbin/iptables -L --verbose ã‚’è¿½åŠ ã—ã¦ãƒ–ãƒãƒƒã‚¯ã—ã¦ã„ã‚‹ãƒãƒªã‚·ãƒ¼ã®ã‚«ã‚¦ãƒ³ã‚¿ã‚’見ãªãŒã‚‰ãƒ–ãƒãƒƒã‚¯çŠ¶æ³ã‚’観察ã§ãã¾ã™ã€‚ # /sbin/iptables -L --verbose ãŠãらãå•é¡Œã¨ãªã£ã¦ã„ã‚‹ã®ã¯ INPUT ãƒãƒªã‚·ãƒ¼æœ€ä¸‹è¡Œã§å…¨ã¦ã®ãƒ‘ケットã«ãƒžãƒƒãƒã™ã‚‹ã“ã†ã„ã†è¡Œã§ã™ ... -j
ãŠã„ã¬ã¾æ—¥å ±(ä¸å®šæœŸ) - DateTime->now(time_zone => 'local')ã£ã¦æ¿€é… ,
@ [perl] DateTime->now(time_zone => 'local')ã£ã¦æ¿€é… Perl界隈ã®æ—¥ä»˜æ“作モジュールã®ãƒ‡ãƒ•ã‚¡ã‚¯ãƒˆã‚¹ã‚¿ãƒ³ãƒ€ãƒ¼ãƒ‰ã§ã‚ã‚‹DateTimeã§ã™ãŒã€ä»Šã¾ã§ã€Œã‚¿ã‚¤ãƒ ゾーンãªã‚“ã¦ã‚·ã‚¹ãƒ†ãƒ ã§å®šç¾©ã•ã‚Œã¦ã„ã‚‹ã‚‚ã®ã‹ã‚‰å‹æ‰‹ã«å–ã£ã¦ãã¦ã»ã—ã„ã€ã¨ã„ã†ç†ç”±ã§ DateTime->now(time_zone => 'local'); ãªã‚“ã¦ã“ã¨ã‚’ã—ã¦ãŸã®ã§ã™ãŒã€ã“ã‚ŒãŒæ¿€é…ãªã“ã¨ãŒç™ºè¦šã—ã¾ã—ãŸã€‚time_zone => 'Asia/Tokyo'ã¨æ˜Žç¤ºçš„ã«æŒ‡å®šã™ã‚‹å ´åˆã¨ã§ã€æ€§èƒ½å·®ãŒä¸‹è¨˜ã®ã‚ˆã†ã«ã¯ã£ãã‚Šç¾ã‚Œã¾ã™ã€‚以下ベンãƒãƒžãƒ¼ã‚¯ã®ã‚¹ã‚¯ãƒªãƒ—トã¨ãã®å®Ÿè¡Œçµæžœã€‚ #!/usr/bin/perl use strict; use DateTime; use Benchmark qw(cmpthese timethese); my $result = timethese(5000, { "
perl - DateTime->now(time_zone => $obj) # better practice : 404 Blog Not Found
2006å¹´12月07æ—¥16:30 カテゴリLightweight Languages perl - DateTime->now(time_zone => $obj) # better practice ç§ã¯ã‚ã¾ã‚ŠDateTimeã¯ä½¿ã£ã¦ãªã„ã®ã ã‘ã©ã€better practiceを見ã¤ã‘ãŸã¨æ€ã†ã®ã§ã€‚ [perl] DateTime->now(time_zone => 'local')ã£ã¦æ¿€é… - ãŠã„ã¬ã¾æ—¥å ±(ä¸å®šæœŸ) (2006-12-06) Perl界隈ã®æ—¥ä»˜æ“作モジュールã®ãƒ‡ãƒ•ã‚¡ã‚¯ãƒˆã‚¹ã‚¿ãƒ³ãƒ€ãƒ¼ãƒ‰ã§ã‚ã‚‹DateTimeã§ã™ãŒã€ä»Šã¾ã§ã€Œã‚¿ã‚¤ãƒ ゾーンãªã‚“ã¦ã‚·ã‚¹ãƒ†ãƒ ã§å®šç¾©ã•ã‚Œã¦ã„ã‚‹ã‚‚ã®ã‹ã‚‰å‹æ‰‹ã«å–ã£ã¦ãã¦ã»ã—ã„ã€ã¨ã„ã†ç†ç”±ã§ DateTime->now(time_zone => 'local'); ãªã‚“ã¦ã“ã¨ã‚’ã—ã¦ãŸã®ã§ã™ãŒã€ã“ã‚ŒãŒæ¿€é…ãªã“ã¨ãŒç™ºè¦šã—ã¾ã—ãŸã€‚ 二行ã§æ›¸ãã¨ã€ä»¥ä¸‹ã®ã¨ãŠã‚Šã€‚
DateTime::Duration - daily dayflower
（．＿．）　φ　メモメモ DateTime オブジェクトåŒå£«ã§ subtract（マイナス演算åã® overload も）ã™ã‚‹ã¨ï¼ŒDateTime::Duration ãŒã‹ãˆã‚‹ DateTime::Duration ã¯ã‚ã‚Šã¨äººé–“çš„ã«æƒ…å ±ã‚’æŒã£ã¦ã‚‹ ãŸã¨ãˆã° DateTime(2006/08/18 12:34:56) - DateTime(2004/03/02 09:08:07) 㯠DateTime::Duration(2y5m16d 3h26m49s) çš„ã«ãªã‚‹ ã ã‹ã‚‰ DateTime(2006/07/07) - DateTime(2006/06/06) 㨠DateTime(2006/03/03) - DateTime(2006/02/02) ã¯ç‰ä¾¡ ã™ãªã‚ã¡ï¼Œã“れら㮠DateTime::Duration ã®ã€Œæ—¥æ•°ã€ã‚’計算ã§ããªã„ ãŸã¨ãˆ DateTime::Duration->i
第15回　DateTime：APIã®æ¨™æº–化をã‚ã–ã—㦠| gihyo.jp
Cã‹ã‚‰ç¶™æ‰¿ã—ãŸAPI プãƒã‚°ãƒ©ãƒžã«ã¨ã£ã¦ã€ãƒã‚°ã®è§£æžã‚„作æˆãªã©ã«å«ã¾ã‚Œã‚‹æ—¥ä»˜ã‚„時刻ã®æ“作ã¯åˆ‡ã£ã¦ã‚‚切り離ã›ãªã„分野ã®ã²ã¨ã¤ã§ã™ã€‚ã‚‚ã¡ã‚ã‚“Perlã«ã‚‚日付や時刻をæ“作ã™ã‚‹ãŸã‚ã®é–¢æ•°ã¯çµ„ã¿è¾¼ã¾ã‚Œã¦ã„ã¾ã™ã€‚ ãŸã ã—ã€Cã‹ã‚‰ç¶™æ‰¿ã—ã¦ããŸlocaltime()ã‚„gmtime()ã®è¿”り値ã¯ã€ãŠä¸–辞ã«ã‚‚ã‚ã‹ã‚Šã‚„ã™ã„ã¨ã¯ã„ãˆã¾ã›ã‚“。リストコンテã‚ストã§å‘¼ã³å‡ºã›ã°å¹´æœˆæ—¥ã€æ™‚分秒ãªã©ã®å€¤ã‚’å–り出ã›ã‚‹ã¨ã¯ã„ãˆã€å˜ä¸€ã®é…列ã§å—ã‘å–ã‚‹ã¨ã€å€‹ã€…ã®è¦ç´ を使ã†ã¨ãã«ç›´æ„Ÿçš„ã§ã¯ãªããªã‚Šã¾ã™ã—ã€æ˜Žç¤ºçš„ãªåå‰ã‚’ã¤ã‘ãŸã‚¹ã‚«ãƒ©ãƒ¼å¤‰æ•°ã‚’並ã¹ã¦å—ã‘å–ã‚‹ã®ã¯ã„ã‹ã«ã‚‚冗長ã§ã™ã€‚ use strict; use warnings; # çŸã„ã‘ã‚Œã©éžç›´æ„Ÿçš„ my @tm = localtime(); $tm[5] += 1900; $tm[4]++; printf "%04d-%02d-%02d %02d:%02d:%02d\n", reve
Perlã§æ—¥ä»˜ãƒ»æ™‚é–“ã‚’æ“作 - DateTime モジュールã®ä½¿ã„æ–¹ (iandeth.)
Perlã«ã¯ã€æ—¥æ™‚ã®åŠ ・減算を扱ã†ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ãŒæ¨™æº–ã§ã¤ã„ã¦ãã¾ã›ã‚“。僕ã®ä»•äº‹å ´ã§ã¯ãšã£ã¨ã€åŒåƒšãŒä½œã£ãŸã‚ªãƒªã‚¸ãƒŠãƒ«ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’皆ã§ä½¿ã„ã¾ã‚ã—ã¦ã„ãŸã®ã§ã™ãŒã€ä»Šã«ãªã£ã¦ã€ä¸–é–“çš„ (CPAN) ã«ã¯ã©ã‚“ãªã‚‚ã®ãŒã‚ã‚‹ã®ã‹æ°—ã«ãªã£ã¦èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚※å‚考ã«ãªã£ãŸã®ã¯ miyagawa æ°ã®ãƒ¡ãƒ¼ãƒ«ãƒžã‚¬ã‚¸ãƒ³ã®éŽåŽ»è¨˜äº‹ã¨ã€perl.com ã® The Many Dates and Times of Perl ãªã‚‹ã‚¨ãƒ³ãƒˆãƒªã§ã—ãŸã€‚ 今回ã¯æ•°ã‚る日付関連モジュールã®ä¸ã‹ã‚‰ã€Dave Rolskyæ°ã® DateTime モジュールã«ã¤ã„ã¦ã€ãã®åŸºæœ¬çš„ãªä½¿ã„æ–¹ã«ã¤ã„ã¦ç°¡å˜ã«ã¾ã¨ã‚ãŸã®ã§å…±æœ‰ã—ã¦ã¿ã¾ã™ã€‚ åŒæ°ã¯ä¸Šè¨˜ perl.com 記事ã®åŸ·ç†è€…ã§ã‚ã‚Šã€ã“ã®å‰ã® YAPC::Asia 㧠DateTime project ã«ã¤ã„ã¦è¬›æ¼”ã—ã¦ãã‚Œã¦ã„ãŸäººã§ã™ã€‚æ°—åˆã®å…¥ã£ãŸãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’作ã£ã¦ãã‚ŒãŸäº‹ã«æ„Ÿè¬ã€‚ 目次 基本
DateTime - モダンãªPerl入門 - モダンãªPerl入門
日付ã®å–り扱ㄠ何ã‹ã¨é¢å€’ãªæ—¥ä»˜å‡¦ç†ã«ã¯ DateTime.pmã‚’ã¤ã‹ã„ã¾ã™ã€‚ ç”Ÿæˆ use strict; use warnings; use DateTime; #日付を指定ã—ã¦ç”Ÿæˆ $dt = DateTime->new( time_zone => 'Asia/Tokyo', year => 2008, month => 8, day => 4, hour => 15, minute => 0, second => 0 ); #epochã‹ã‚‰ç”Ÿæˆ $dt = DateTime->from_epoch( time_zone => 'Asia/Tokyo', epoch => 1217829600 ); #ç¾åœ¨ã®æ—¥ä»˜(時間ãµãã‚€) $dt = DateTime->now( time_zone => 'Asia/Tokyo' ); #ç¾åœ¨ã®æ—¥ä»˜(時間å«ã¾ãªã„) $dt = DateTime
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