ã©ã¯ã¹ã«ã§ãµã¼ããµã¤ãã¨ã³ã¸ãã¢ããã£ã¦ããå°æã§ãã æè¿ã®æ¥åã§ã¯ã主㫠Ruby ãæ¸ãã¦ãã¾ãã ãã¦ãRuby ã®çµã¿è¾¼ã¿ã©ã¤ãã©ãªã«ã¯ãããããªä¾¿å©ã¡ã½ãããããã¾ããã ã¿ãªããæ¨ãã¡ã½ããã¯ããã¾ããï¼ å人çæ¨ãã¡ã½ãã㯠Array#zip 㨠Hash#transform_values ã§ãã Hash#transform_values ã«ã¤ãã¦å°ãç´¹ä»ããã¨ã ãã¨ã㨠Rails4.2 ã® ActiveSupport ã§å®è£ ããã Ruby2.4 ã§çµã¿è¾¼ã¿ã©ã¤ãã©ãªã«ç§»æ¤ããã¾ããã 移æ¤ã®éã¯ãååãã©ããããã¨ããè°è«ã§ã¨ã¦ãçãä¸ãã£ãããã§ãã ã¾ããRuby2.5 ããã¯å§å¦¹ã¡ã½ããã¨ãè¨ãã Hash#transform_keys ãå®è£ ããã¾ããã Hash#transform_values ã®è©±ã¯ãã®è¾ºã«ãã¦ãä»å㯠Array#zip ã®æ¨ãã
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? æ¬è¨äºã¯æããã°è¨äºãæå·åã¨ããã·ã¥åã«é¢ããåºæ¬çãªäºæã¾ã¨ã - the world as codeãã®ãªãã¡ã¤ã³çã§ãã æå·åã¨ããã·ã¥åã¯éããæå·åã¯ãã¼ã¿ã®ç§å¿ãç®çã¨ãã¦ãããé©åãªéµãç¨ãããã¨ã§å¾©å·ãå¯è½ãããã·ã¥åã¯ãã¼ã¿ã®ç½®æãããããã®ç®çã§ãããããã·ã¥é¢æ°ã«ããä¸å®ã®ãã©ã¼ãããã¸ä¸å¯éã®å¤æãè¡ãã ãã ããè¡çªèæ§ãæã¤ãã¨ãªã©ã«ãããã»ãã¥ãªãã£ç¨éã«é©ãããæå·å¦çããã·ã¥é¢æ°ãã¨ãããã®ããããããããã¸ã¿ã«ç½²åãã¡ãã»ã¼ã¸èªè¨¼ç¬¦å·ã¸ã®ä½¿ç¨ãç®çã¨ããã¦ãããéã«ãã§ãã¯ãµã çã«ä½¿ç¨ããã«ã¯è¨ç®
å¹³ç´ ããQAï¼ ITããå©ç¨ããã ããèª ã«ãããã¨ããããã¾ãã QAï¼ ITã¯ã質åãåçããå ±æãããç·¨éããã¦ãããã¨ã§ãã¹ããªQAãèç©ã§ãããITã¨ã³ã¸ãã¢ã®ããã®åé¡è§£æ±ºã³ãã¥ããã£ã¼ãã¨ãã¦ç´7å¹´ééå¶ããã¦ãã¾ãããããã¾ã§ãµã¼ãã¹ãç¶ãããã¨ãã§ããã®ã¯ãQAï¼ ITã®ã³ã³ã»ããã«å ±æãããã ããé©åãªè³ªåãåçããå¯ãããã ããçãã¾ã®ãæ¯æ´ããã£ãããããã¨èãã¦ããã¾ããéãã¦å¾¡ç¤¼ç³ãä¸ãã¾ãã ããããªãããã¨ã³ã¸ãã¢ã®æ å ±å ¥ææ¹æ³ã®å¤æ§åãQAãµã¼ãã¹å¸å ´ã®ç¶æ³ãï¼ ITã®ä»å¾ã®ã¡ãã£ã¢éå¶æ¹éãªã©ãæ¤è¨ããçµæã2020å¹´2æ28æ¥ï¼éï¼15:00ããã¡ã¾ãã¦QAï¼ ITã®ãµã¼ãã¹ãçµäºãããã¨ã«ãã¾ããã ããã¾ã§ãå©ç¨ãããã ãã¾ããçãã¾ã«ã¯æ®å¿µãªãç¥ããã¨ãªããèª ã«å¿è¦ããæã£ã¦ããã¾ããä½ã¨ãããç解ãããã ãã¾ãã¨å¹¸ãã§ãã QAï¼ ITã®7å¹´éã§çãã¾ã®ç¥è
Spring Bootã«ããAPIããã¯ã¨ã³ãæ§ç¯å®è·µã¬ã¤ã 第2ç ä½å人ãã®éçºè ããInfoQã®ããããã¯ãPractical Guide to Building an API Back End with Spring BootããããSpring Bootã使ã£ãREST APIæ§ç¯ã®åºç¤ãå¦ãã ããã®æ¬ã§ã¯ãåºçæã«æ°ãããªãªã¼ã¹ããããã¼ã¸ã§ã³ã§ãã Spring Boot 2 ã使ç¨ãã¦ãããããããSpring Boot3ãæè¿ãªãªã¼ã¹ãããéè¦ãªå¤...
{}ã®åã«ãã©ã¹ãä»ãã¦ã+{}ã¨ããªã£ã¦ãã®ãããè¦ããã©ããã£ã¨ããã®æå³ãåãã£ãã®ã§ã¡ã¢ã ãã®ã«ãã³ã¯ããã·ã¥ä»¥å¤ã«ã使ãããããããããã¯ããã·ã¥ãªãã¡ã¬ã³ã¹ã§ãããã¨æ示ããããã®ãã®ã use strict; use warnings; use Data::Dumper; local $\ = "\n"; sub p { print Dumper shift; } sub hashref_ng { { @_ } } sub hashref_ok { +{ @_ } } my $ng = hashref_ng(1,2,3,4); my $ok = hashref_ok(1,2,3,4); p $ng; p $ok; å®è¡çµæ % perl hashref.pl $VAR1 = 4; $VAR1 = { '1' => 2, '3' => 4 }; ãããªå¸¸èãç¥ããã«ããã¾ãã
perlã®ããã·ã¥(é£æ³é å)ã®ãã¼ã¸ã«ã¤ãã¦ã¡ãã£ã¨èª¿ã¹ã¾ãããèªåç¨ã®ã¡ã¢ã¨ãã¦è¨é²ãã¦ããã¾ãã ä¸çªç´è¦³çãªæ¹æ³ã¯ä»¥ä¸ã®ãããªã³ã¼ãã§ãããã %hash = (%hash, %addition); ããã·ã¥ %hash ã«å¯¾ãã¦ã%addition ã®å 容ã追å ãã¾ãã my %hash = ( 'key1' => 'value1', 'key2' => 'value2', ); my %addition = ( 'key3' => 'value3', 'key4' => 'value4', 'key1' => 'override1', ); %hash = (%hash, %addition); ä¸è¿°ã®ãããªã³ã¼ããå®è¡ããã¨ã%hash ã®å 容ã¯ä»¥ä¸ã®ããã«ãªãã¾ãã 'key1' => 'override1', 'key2' => 'value2', 'key3' => '
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}