
ãã ãã @jujulife7 å®å ¨ç¡æã§å¦ã¹ãæåä¼æ¥ã®ã¨ã³ã¸ãã¢ç ä¿®è³æï¼ææ°çï¼ãã¾ã¨ãã¾ããã ã¨ã³ã¸ãã¢ã®æ¹ã«ãå§ããªã®ã¯å¿è«ã§ãããç·åè·ã»ãã¶ã¤ãã¼è·ãã¨ã³ã¸ãã¢ã¨åæ»ã«ã³ãã¥ãã±ã¼ã·ã§ã³ã¨ãããã®åºç¤ç¥èãæ±ããããæ代ãã¨æãã®ã§ãæç³»è·ã®æ¹ãæ¯éä¿åãã¦åå¼·ã¿ã¦ãã ããã pic.twitter.com/sDek1U43q5
ãã®åº¦ãã社ä¼äººã®ããã®ãã¼ã¿ãµã¤ã¨ã³ã¹å ¥éãã®éè¬ã«å ç«ã¡ãã誰ã§ã使ããçµ±è¨ãªã¼ãã³ãã¼ã¿ããç¹å¥éè¬ãã¦ããã¾ãã å ¥éç·¨ã¨å¦ç¿ãããã¨ã§ãçµ±è¨ã®åºç¤ããã¼ã¿ã®è¦æ¹ã»ãã¼ã¿ã®åå¾æ¹æ³ãªã©ãå¦ã¹ã¾ãããã®æ©ä¼ã«ãã²2è¬åº§ä½µãã¦ãåè¬ãã ããã â»ããç¹å¥éè¬ã誰ã§ã使ããçµ±è¨ãªã¼ãã³ãã¼ã¿ãã¯ãä¿®äºè¨¼ã®çºè¡ã¯ãããã¾ããã è¬åº§å 容 ä»ããã¸ãã¹ã®ç¾å ´ã§ã¯ãçµ±è¨çãªæèåã«ãã£ã¦æ§ã ãªèª²é¡ã解決ãã¦ããè½åãããªãã¡"ãã¼ã¿ãµã¤ã¨ã³ã¹"åã®é«ã人æãæ±ãããã¦ããããã®ãããªãã¨ãè¸ã¾ããæ¬ã³ã¼ã¹ã§ã¯"ãã¼ã¿ãµã¤ã¨ã³ã¹"åã®åä¸ãç®æããäºä¾ãªã©ãè¸ã¾ãããã¼ã¿åæã®åºæ¬çãªç¥èãå¦ã¶ã ã³ã¼ã¹ã¯4ã¤ã®é¨åã«åããã¦ããã第1é±ã§ã¯ã社ä¼ã§ãã¼ã¿ãã©ã®ããã«æ´»ç¨ããã¦ãããã«ã¤ãã¦ãå®éã®ãã¼ã¿ãç¨ããåæäºä¾ãç´¹ä»ããã第2é±ã§ã¯ããã¼ã¿ãç解ããåæããéã«å¿ è¦ãªçµ±è¨å¦ã®åºç¤ã«ã¤ã
Hori Blogããªã¼ã©ã³ã¹ã§ããã¯ã¨ã³ãã¨ã³ã¸ãã¢ã¨ãã¦æ´»åãã¦ãã Ryota Hori ã®ããã°ã§ãã æè¿ã¯ããã¯ç³»è¨äºããéè¨ããã°æ°å³ã ãã®è¨äºã¯ Go Advent Calendar 2017 ã® 1 æ¥ç®ã®è¨äºã§ãã Go ã®é·æã« goroutine ã«ããéåæå¦çãããã¾ãããã©ããã¦ã channel ã®åãåãã§é»éè¡åããã¡ã§ããå°ãã§ãéãæ¸ããã¦ããããã®ã§ã channel ãã¸ãã®åãåãã«ã¤ãã¦ãã¿ã¼ã³ãã¾ã¨ãã¾ããããã¼ãã·ã¼ãçã«ä½¿ããã°å¬ããã§ãã Go ã® channel ã®åºç¤ å ¥éè³æã¨ãã¦ä½¿ãããã®ã§ãæ¬é¡ã«å ¥ãåã«ãã£ããåºç¤ãã å®ç¾©ã®ãã¿ã¼ã³ channel ã«ã¯ capacity ã¨ããæ¦å¿µãããã¾ãã capacity 㯠channel å ã§ãããã¡ãªã³ã°ãã¦ããã容éã®ãã¨ã§ã capacity ã«ç©ºããç¡ãå ´åã¯éä¿¡å´
ããã°ã©ãã¨ããã®ã¯ãéå ·ã«æ £ãããã¨ããå®åãããããã¨ã«ãªããªãã®ã§ããããã ãããåå¼·ããæ¥åçµé¨ã ãã ã¨ã¬ãã«ãä½ãã¾ã¾ã¨ãããã¨ã«ãªã£ã¦ãã¾ãã Javaã10å¹´ãããç¶ãã¦ãStrutsã5å¹´ãããç¶ãã¦ããããã ãã§ã¯ãä¸ããããç»é¢ãæéããä½æã§ããããã«ãªãã ãã§ããã¨ãã°Strutsãããããã使ããããã«ãªãããã§ã¯ãªãã£ããããã Javaã«ãã¦ãããvolatileã£ã¦ãªãã§ããï¼ãã¨ããåãã«ãã¾ãç¥ããªãã®ã¯ããããªãã¨ãã¦ãã解説ãè¦ãªããã§ããçããããªãå¯è½æ§ãããã ããã°ã©ã ã®å復çç£ã¯ãããã°ã©ãã³ã°è½åã®åä¸ã«ãã¾ãã¤ãªãããªããè¨å®ãè¨è¿°ã«æ £ããã ãã ãããã¦ããã®ãæ £ããã¨ããã®ã«ã¯ãé£ããããããããå®è£ ãåé¿ãããã¨ãããããªãã®ãå«ã¾ãããå®åã®åä¸ã¯ãä½æ¥ãã§ããã¬ãã«ã§æ¢ã¾ã£ã¦ãã¾ãã ããã°ã©ãã¨ãã¦ã®å®åããããããã®åå¼·ãèª
2019å¹´11æ11æ¥è¿½è¨ ãã ã®ã¿ã¤ãã«ã§ç ½ã£ã¦ãã ãã®è¨äºã«åå¹´çµã£ã¦ãæªã ã«å¤§éã®ã¢ã¯ã»ã¹ãããã®ã§è¿½è¨ãã¦ããã¾ãã ããã§è¨ããããã¨ã¯ããããã°ã©ããªãã³ã³ãã¥ã¼ã¿ãµã¤ã¨ã³ã¹ãåå¼·ãã¦ãã¨å½¹ã«ç«ã¤ããããã¨ããã㨠ã ã ã§ãã ãã®ä¸æ以ä¸ã«æç¨ãªè¨èã¯ä»¥éã®æç« ã§ã¯åºã¦ãã¾ãããã¿ãªããã®æéãç¡é§ã«ããªãããã«æ³¨ææ¸ãããã¾ããã ããã§ãè¯ãã¨ãã人ã¯èªãã§ã¿ã¦ãã ããã Twitterã§ããããã§ããã¨ãã人ãé¢æ¥ã«æ¥ããã©ãããããXXXãYYYã£ã¦ç¥ã£ã¦ã¾ãï¼ãã¨ããã¨ç¥ããªãã¨ãã人ãå¤ããã ããããã¨ããããã¤ã¼ããè¦ããã¦ãç§ã¯XXXãYYYã£ã¦ã®ãç¥ããªãã£ãã®ã§èª¿ã¹ãè¦ãã¨ããã常èã¨ã¾ã§ã¯è¨ããªãæ¦å¿µã ã£ãããååã¯ç¥ããªãã¦ã誰ããç¥ã£ã¦ãæ¦å¿µã ã£ãããããããã£ã¨è¯ãã¢ããã¼ããããã®ã§ã¯ã¨ããææ³ã ã£ããã§ãªãã ããªãã¨æã£ã¦ããã¨ãããåæ¥ãã
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? â»å®éè¨äºã§ç´¹ä»ããæ¸ç±ã¯12åã§ãããã¡ã³ãã¼ãåãã¦ãªãã£ã¹ã«ãªãã£ããããä¸è¨ç»åå ã«3åãªããã®ãããã¾ãã ã¯ããã« AI Academyãéçºã»éå¶ãã¦ãã¾ããæ ªå¼ä¼ç¤¾ã¨ã¼ã¢ã¤ã¢ã«ããã¼ä»£è¡¨ã®è°·ã§ãã 6ã¶æã»ã©åã«æ¸ããä¸è¨è¨äºã¯ç´1200ã®ãããã¨7ä¸viewsãè¶ ããè¨äºã«ãªãã¾ããã ãä¿åçã»åå¿è åããç¬å¦ã§AIã¨ã³ã¸ãã¢ã«ãªããã人åãã®ãªã¹ã¹ã¡ã®åå¼·æ¹æ³ ãèªã¿é ããæ¹ã ãã¾ãããããã¦é ããæ¹ã ãããã¨ããããã¾ããï¼ ãããã6ã¶æã»ã©çµã¡ã¾ãã¦ãããã«Pythonãæ©æ¢°å¦ç¿ã®æ¸ç±ãå¢ãã¦åãã¾ããã®ã§ã
ã¨ãã«ãè±èªã® decryption ãæ¥æ¬èªã§ãªãã¨å¼ã¶ãã¯äººã«ãã£ã¦ã¾ã¡ã¾ã¡ã§ãã å¾©å· ã¨å¼ãã§ãã人ãããã®ã§ããã復å·ã¯ decode ã®è¨³èªã¨ãã¦ä½¿ãããã®ã§ããã®ã¨ã³ããªã§ã¯ å¹³æå ã使ãã¾ãã å ¬ééµæå·ã¨ã¯ çé¢ã®éµã¯éããã¨ããéããã¨ããåãéµã使ãã¾ããé庫ã®éµãæ®éã¯ããã§ããã§ã¯ é庫ã«è²´éåãè©°ãã¦éã£ã¦ãããæã¯ã©ãã§ããã? é庫ãéããéµã¨éããéµãåãã ã¨ãé庫ã«ãã®ãè©°ãã¦ãããç¸æã«ãã®éµã渡ãå¿ è¦ãããã¾ãããã®éµãéµéã§éããã¨ããããéä¸ã§èª°ãã«è¦ããã¦è¤è£½ãä½ããã¦ãã¾ãããããã¾ããã大äºãªãã®ãéãããã«éµãããããã¨ãã¦ããã®ã«ãåãå´åãããã¦éµãåã渡ããªããã°ãããªãã¨ãªãã¨æ¬æ«è»¢åã§ãã ããã¯ãæå·éä¿¡ã§ãåããã¨ãè¨ãã¾ãã ããã§ãæå·éä¿¡ã«ãã㦠éãããã¨ããã§ããªãéµ ã¨ éãããã¨ããã§ããªãéµ ã®ãã¢ã使ãã
ã¾ã ã¾ã ã¡ã³ãã¼ã®æ°ãå°ãªããè·ç¨®ãã¨ã®è·é¢ãè¿ãã¹ã¿ã¼ãã¢ããããã¶ã¤ãã¼ã®ä»äºããã£ã¬ã¯ã¿ã¼ãã¨ã³ã¸ãã¢ãç解ãããã¨ããããã¸ã§ã¯ããåæ»ã«é²ããç§è¨£ã§ãã ãã¶ã¤ãã¼ã§ã¯ãªãæ¹ã ã«ã¨ã£ã¦ããã¶ã¤ãã¼ãæ®æ®µä½ãæ©ã¿ãã©ã®ããã«Webãã¶ã¤ã³ãã¦ããã®ãç¥ãã®ã¯ãé常ã«éè¦ã¨è¨ããã§ããããä»åã¯å³é¸ãã7ã¤ã®ã¹ã©ã¤ãããç´¹ä»ããªããããé è²ããã¬ã¤ã¢ã¦ããã¨ãã£ããã¶ã¤ã³ã®ã¨ãã»ã³ã¹ãå¦ã³ã¾ãã ãã¡ãããæ¬è·ã®ãã¶ã¤ãã¼ã®æ¹ã«ãå½¹ç«ã¤ã¹ã©ã¤ã7é£çºã§ãï¼ ï¼ï¼è²å½©ã»ã³ã¹ã®ãããªãé è²è¬åº§ 7000ããã! ãããã¹ã©ã¤ã ãæéããªãï¼ ä»ããä½ãå§ããªãã¨ç´æã«éã«åããªãï¼ ã§ãã©ããªè²ã使ã£ãããããåãããªãï¼ããããªäººã«ãããããªã®ãã³ã¬ãFacebookã§7000以ä¸ã®ããã!ãã¤ããã@marippe_ããã®ã¢ã³ã¹ã¿ã¼ã¹ã©ã¤ãã§ãã é è²ãæ度ã»å½©åº¦ã®åºç¤ãã
ã¯ãªã¢ããªã®ç¹å¾´ ç¡æ·»å ã»ç¡çè²ã ããèãå¼±ã人ã§ãå®å¿ ã¯ãã¬ãå«ãªèãã®åå ã¨ãªãèã殺èã»æ¶æ¯ ãå¾ãªå®æã³ã¼ã¹ã¯ãè³¼å ¥ç¸ããªãï¼ãã¤ã§ã解ç´å¯è½ ä½èã®æ©ã¿ã¯èè¥ç·å¥³åããå ±éã®æ©ã¿ã§ãããä»äººã«ã¯ç¸è«ãã«ããã®ã§1人ã§æ©ãã§ãã人ãå¤ããã§ãã ä½èã£ã¦ãèªåã§ããªã¤ãæ°ã«ãªã£ãæã¯ãä»ã®äººã¯ãã£ã¨ã¯ãµã¤ã¨æã£ã¦ãã¾ãã ããããªãããèªåã§ã¯ãã¬ããâ¦ã¨æãã®ã§ããã°ãå¨ãã®äººã¯ããªãã®ããªã¤ã«æ°ã¥ãã¦ãããã⦠ã¯ãªã¢ããªã¯ããããªã¯ãã¬èã足ã®ããªã¤ãªã©ãã¤ã¤ã¼ãªä½èå ¨è¬ã10ç§ã§ã«ãããã¦ããããã§ãã ã¯ãªã¢ããªã®å¹æãå£ã³ãã調æ»ãã¾ããã®ã§å¾¹åºè§£èª¬ãã¾ãã è³¼å ¥æã«ç¹å ¸ãä»ãã¦ããã®ã§ãå¾ å ¬å¼ãµã¤ãã¯ã³ãã© â»ç¹å ¸ã¯æ¯æå¤ããã®ã§å ¬å¼ãµã¤ãã§ã確èªãã ãã ã¯ãªã¢ããªã¯ã©ããªäººã«ããããï¼ ã¯ãªã¢ããªã®æ®ºèçã¯ããªãã¨99.999%ï¼ä½èã®æ©ã¿ã解æ¶ãã¦ãããã¯ãª
ãã©ã³ãã®åºæ¬çãªé¸ã³æ¹ããåå¿é²çã«ã¾ã¨ãã¦ã¿ã¾ããã ãã©ã³ããã©ãé¸ãã ãè¯ãã®ãããããªãããããã¯é¸ã¶ã®ã«æéããããã¨ããåå¿è ããåãã§ãã ãã©ã³ãã«ã¯ãããããæ¸ä½ã«ãã£ã¦ç¹å¾´ããããã¦ã¼ã¶ã¼ã«ä¸ãããå°è±¡ã«ãã£ã¦æ¸ä½ãé¸ã¶å¿ è¦ãããã¾ãã ï¼ããã«ç¸ããããã¦ãããã¾ãããâ¦ï¼ããã¦ã¤ã³ãã¯ããåºãããã«éãå°è±¡ã®ãã©ã³ããçµã¿åããããããï¼ãåºæ¬çãªé¸ã³æ¹ã¨ãã¦ç¥ã£ã¦ããã¨è¯ãã¨æãã¾ããï¼ ç§ã¯ä»¥ä¸ã®é çªã§ãã©ã³ããé¸ãã§ãã¾ãã æããä»ã®ãã¶ã¤ãã¼ãããããã®é çªã ã¨æãã¾ãã 1. ãã©ã³ãã®ç³»çµ±é¸ã³ 2. é¸ãã 系統ãããããã«æ¸ä½ãé¸ã¶ 3. æ¸ä½ã®ã¦ã§ã¤ãã決ãã 4. åéã®èª¿æ´ ããã«å ·ä½çãªæé ã1ã¤ãã¤èª¬æãã¦ããã¾ãã 1. ãã©ã³ãã®ç³»çµ±é¸ã³ æ¥æ¬ã§ã¯ãåæãã©ã³ãã¨æ¬§æãã©ã³ãã®2ã¤ã使ãã¾ãã ã¾ããåæãã©ã³ãã¯ã以ä¸ã®4ã¤ã«å¤§ããå
ã¯ããã« ä»åã¯ããã©ã¦ã¶ã«æ å ±ãä¿ç®¡ããã¯ããã¼ã¨ãã¯ã©ã¤ã¢ã³ãã¨ã®é£ç¶ããæ¥ç¶ã確ä¿ããã»ãã·ã§ã³ã«ã¤ãã¦ããã®åãã¨ä½¿ãæ¹ãå¦ç¿ãã¾ããã¾ããããç¨åº¦ããã°ã©ã ãä½ããããã«ãªã£ã¦ãããããµã¤ãæ»æã¸ã®å¯¾å¿ã«ã¤ãã¦ãèããªããã°ããã¾ãããæãåºæ¬ã¨ãè¨ããXSSæ»æé¢ä¿ã®å¯¾å¿ã«ã¤ãã¦ç°¡åã«ã¾ã¨ãã¦ããã¾ãããã éå»ã®è¨äº 第1åï¼Tomcatã¨Eclipse WTPã®å°å ¥æé 第2åï¼JSPã使ã£ããµã¼ããµã¤ãå¦çã®åºæ¬ 第3åï¼ãµã¼ããµã¤ãJavaå ¥é ãã©ã¼ã ãã¼ã¿ã®åãæ±ãã¨ãã¼ã¸é·ç§»ã®åºæ¬ 対象èªè Javaã®åºæ¬ï¼ææ³å ¨è¬ããã³åºæ¬çãªã¯ã©ã¹ã©ã¤ãã©ãªã®ä½¿ãæ¹ç¨åº¦ï¼ããã¹ã¿ã¼ãã¦ãã人ã ãµã¼ããµã¤ãï¼JSPããµã¼ãã¬ããï¼ã«ã¤ãã¦åºç¤ããåå¼·ããã人ã Eclipse WTPã使ã£ãéçºã«èå³ããã人ã ã»ãã·ã§ã³ã¨ã¯ä½ãï¼ ååã¾ã§ã§ããã©ã¼ã ã使ã£ããã¼ã¿ã®ããå
æ¬æ°åºã第äºå¼¾ã ãªãã¸ã§ã¯ãæåãè¯ãç¥ããªãã£ãé *1ãJavaã®åå¼·ãå§ããã¨ãclass, field, method, interface ãªã©ã®ãªãã¸ã§ã¯ãæåçãªæ¦å¿µãè¦ãã¦ãããã¨ã«ãªãã¾ãã ãã®ä¸ã§ãä¸çªããããããããã©ãã¾ããããªãã®ãããã®ãããã£ãããä½ã®ããã«ãããã ãå ¨ãåãããªãåå¨ã ãªâ¦ããã¨ããå°è±¡ãåããã§ããããã¨ãããåããã¢ã㯠interface ã ã£ãã ãããã°ã©ãã³ã°ãï¼ãå¦çæé ãæ¸ããã¨ããèªè㧠interface ãè¦ãã¨ãå ¨ãåå¨ä¾¡å¤ãæããããªããã ãªãã ã£ã¦ãå¦çæé æ¸ããªãããã ããããããªãå¥ã«ãããã interface ã implements ã¨ãããªãã§ãå¦çæé ãè¨è¿°ããclassã®æ¹ã®åã§æ±ãã°ããããããã¨ã ãããªãããªããç´ä½æ²æãçµã¦ããªãã interface ã使ã£ãã³ã¼ããæ¸ãã¦ããããã¨ãã£
Webãã¶ã¤ã³ã¯ãç´ã®ä¸ã®ãã¶ã¤ã³ã¨éãã¨ãããå¤ãã¨æãã¾ããã§ãåããã¶ã¤ã³ã§ããããæ´å²ãã DTP ãã¶ã¤ã³ããå¦ã¶ãã¨ã¯ãã£ã±ãããã¾ãããã¶ã¤ã³ã®åºç¤ã®åºç¤ãã¬ã¤ã¢ã¦ãã«ã¤ãã¦ããã¶ã¤ã³ããã¨ãã«æ°ãã¤ãããåºç¤ã®é¨åã®æ³¨ææ¸ãã§ãã æ¯æ¥ã¤ã³ã¿ã¼ããããè¦ã¦ããã¨ãç´ æµãªãã¶ã¤ã³ã® Webãµã¤ãã«åºä¼ãã¾ããã¨ãã«ã¯ã²ã¨ç®æããã¡ãããããªãã¨ãããã¾ãããããªãã¶ã¤ã³ã«ãã£ãã¨ããã©ããã¦ç´ æµãªã®ããªã¼ã¨èããã®ãåå¼·ã®ãã¡ãããæã£ã¦ç´ æµãªãã¶ã¤ã³ã¯ã¹ããã¯ãã¦ããã¦ãèªåãªãã«ãã®ãã¶ã¤ã³ãç´ æµãªçç±ãèãã¦ãããã¾ãã ãã¶ã¤ã³ã®çç± ã©ããã¦ãããããã¶ã¤ã³ãããã®ã ⦠ãã¶ã¤ã³ã«ã¯çç±ãããã¾ããæ°ã¾ããã«è²ãé¸ãã ããè¦ç´ ãé ç½®ãããããªãããã§ãããªã®ã§èªåã®ãã¶ã¤ã³ã®çç±ãã©ããã¦ãããã風ã«ããã®ãã¨ãããã¨ããå£ã§èª¬æã§ããªãã¨ãã¡ã ã¨è¨ããã¾ãããã¡
ãç¥ãã
ã©ã³ãã³ã°
ã©ã³ãã³ã°
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}}