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JavaVMã®ãƒ¡ãƒ¢ãƒªç®¡ç†ã«é–¢ã™ã‚‹ã¾ã¨ã‚ï¼ˆJava8ç‰ˆï¼‰ - ãºãƒ¼ãºãƒ¼SEã®ãƒ–ãƒã‚°
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sylph01 2017/06/14
java
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Java VM Options You Should Always Use in Production
This post is a cheatsheet with enumeration of options, which should be always used to configure Java Virtual Machine for Web-oriented server applications (i.e. Web Front-End) in production or production-like environments. For lazy readers full listing is here (for curious detailed explanation is provided below): Java < 8 -server -Xms<heap size>[g|m|k] -Xmx<heap size>[g|m|k] -XX:PermSize=<perm gen
sylph01 2017/06/14
java

server
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ã‚¸ãƒ£ãƒ â€“ NOSE Takafumi
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sylph01 2015/11/09
Java
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ï¼˜ã¤ã®è³ªå•ã§ã€Java SIæ¥ç•Œã®ç¾çŠ¶ã‚’çŸ¥ã‚‹ - ãƒ¬ãƒ™ãƒ«ã‚¨ãƒ³ã‚¿ãƒ¼å±±æœ¬å¤§ã®ãƒ–ãƒã‚°
Webã‚µãƒ¼ãƒ“ã‚¹ç³»ã®ä¼šç¤¾ã®éš†ç››ãŒã‚ã£ã¦ã€äººææµå‡ºãŒé¨’ãŒã‚ŒãŸã®ãŒï¼‘âˆ’ï¼“å¹´ãã‚‰ã„å‰ã ã‚ã†ã‹ã€‚ SIã®ç”£æ¥ã®äººæå‹•å‘ãŒã€ä»Šã©ã†ãªã£ã¦ã‚‹ã‹ã£ã¦ï¼Ÿ å¤§æ–¹ã®äºˆæƒ³ã‚ˆã‚Šå‡„æƒ¨ã§ã™ã‚ˆã€‚ ãã‚ŒãŒåˆ†ã‹ã‚‹æ–¹æ³•ãŒã‚ã‚‹ã€‚JavaWebæŠ€è¡“è€…ã«æŠ€è¡“åŠ›ã‚’å•ã†ï¼˜ã¤ã®è³ªå•ã«ã‚ˆã£ã¦ã ã€‚ SIæ¥ç•Œã®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®å¹³å‡ãƒ¬ãƒ™ãƒ«ã‚’çŸ¥ã‚ŠãŸãã£ã¦ã€ã„ã‚ã‚“ãªä¼šç¤¾ã•ã‚“ã®JavaWebé–‹ç™ºè€…ï¼ˆçµŒé¨“è€…ï¼‰å‘ã‘ã«ä»¥ä¸‹ã®ã‚ˆã†ãªï¼˜ã¤ã®è³ªå•ã‚’ç¶™ç¶šçš„ã«ã—ã¦ã„ã‚‹ã€‚ å¯¾è±¡è€…ã¨ã—ã¦ã¯ã€JavaçµŒé¨“ï¼“ã‹ã‚‰ï¼‘ï¼å¹´ãã‚‰ã„ã®ç¾å½¹ãƒãƒªãƒãƒªã®ã¯ãšã®Java ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã ã€‚ ãã®ï¼˜ã¤ã®è³ªå•ã¨ã„ã†ã®ã¯ã“ã‚“ãªå•é¡Œã ã€‚ JavaWebæŠ€è¡“è€…ã«æŠ€è¡“åŠ›ã‚’å•ã†ï¼˜ã®è³ªå• ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã®ãƒ¡ãƒªãƒƒãƒˆã‚’ä¸€è¨€ã§è¡¨ã—ã¦ä¸‹ã•ã„ã€‚ï¼ˆç†è¨˜è§£ç”ï¼‰ HttpRequestã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‹ã‚‰Postã•ã‚ŒãŸãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã™ã‚‹Servletã®ãƒ¡ã‚½ãƒƒãƒ‰ã¯ä½•ã§ã™ã‹ï¼Ÿï¼ˆç†è¨˜è§£ç”ï¼‰ Sessionã®ã‚¹ã‚³ãƒ¼ãƒ—ã‚’ç«¯çš„ã«èª¬æ˜Žã—ã¦ãã ã•ã„ã€‚ï¼ˆ
sylph01 2013/03/18
java
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Stevey's Blog Rants: Execution in the Kingdom of Nouns
They've a temper, some of themâ€”particularly verbs: they're the proudestâ€”adjectives you can do anything with, but not verbsâ€”however, I can manage the whole lot of them! Impenetrability! That's what I say! â€” Humpty Dumpty Hello, world! Today we're going to hear the story of Evil King Java and his quest for worldwide verb stamp-outage.1 Caution: This story does not have a happy ending. It is neither
sylph01 2012/05/21
java

programming
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Eclipseã§å¤§é‡ã«å‡ºã‚‹ä¸‹è¨˜ã‚¨ãƒ©ãƒ¼ã‚’ç„¡è¦–ã™ã‚‹è¨å®šãŒã‚ã‹ã£ãŸã®ã§ã€‚ å…ƒãƒã‚¿ï¼šEclipseã§å¤§é‡ã«å‡ºã‚‹è¦å‘Š ã€ŒThe serializable class [ã‚¯ãƒ©ã‚¹å] does not declare a static final serialVersionUID field of type longã€ ã€Œã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºå¯èƒ½ã‚¯ãƒ©ã‚¹ [ã‚¯ãƒ©ã‚¹å]ã¯ã€longåž‹ã®static final serialVersionUIDãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã‚’å®£è¨€ã—ã¦ã„ã¾ã›ã‚“ã€ ã€Œã‚¦ã‚£ãƒ³ãƒ‰ã‚¦ã€â†’ã€Œè¨å®šã€â†’ã€ŒJavaã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãƒ¼ã€â†’ã€Œã‚¨ãƒ©ãƒ¼/è¦å‘Šã€ã®ä¸ã«ã‚ã‚‹ã€Œæ½œåœ¨çš„ãªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®å•é¡Œã€ã‚’é–‹ã„ã¦ã€ŒserialVersionUIDãªã—ã®ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºå¯èƒ½ã‚¯ãƒ©ã‚¹ã€ã‚’ã€Œç„¡è¦–ã€ã«ã™ã‚Œã°éžè¡¨ç¤ºã«ã§ãã¾ã™ã€‚ å‚è€ƒURLï¼šæ•™ãˆã¦ï¼goo æ˜Žç¤ºçš„ãªserialVersionUIDã®æ„ç¾©ã¨å®šç¾©æ³• ãƒªãƒ³ã‚¯å…ˆã®å†…å®¹ã®ã¾ã‚“ã¾ã§ã™ã‘ã©ã...ã€‚
sylph01 2011/10/04
java
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jinput: Home
The JInput Project hosts an implementation of an API for game controller discovery and polled input. It is part of a suite of open-source techno logies initiated by the Game Techno logy Group at Sun Microsystems with intention of making the development of high performance games in Java a reality. The API itself is pure Java and presents a platform-neutral completely porta ble model of controller disc
sylph01 2010/06/23
java
ãƒªãƒ³ã‚¯
Javaã§USBã‚¸ãƒ§ã‚¤ã‚¹ãƒ†ã‚£ãƒƒã‚¯(ãƒ‘ãƒƒãƒ‰)ã‚’åˆ¶å¾¡ã™ã‚‹ - PukiWiki
Javaã§USBã‚¸ãƒ§ã‚¤ã‚¹ãƒ†ã‚£ãƒƒã‚¯(ãƒ‘ãƒƒãƒ‰)ã‚’åˆ¶å¾¡ã™ã‚‹ â€ Javaã§ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚²ãƒ¼ãƒ ãªã©ã‚’ä½œã£ãŸéš›ï¼Œ8æ–¹å‘ç§»å‹•ã®ã‚µãƒãƒ¼ãƒˆã¯å¿…é ˆ(?)ã§ã™ãŒï¼Œæ£ç›´ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã§ã¯8æ–¹å‘ç§»å‹•ã‚’è¡Œã†ã«ã¯è¾›ã„ã‚‚ã®ãŒã‚ã‚Šã¾ã™ï¼Ž æ–œã‚ä¸Šã®å…¥åŠ›ã®æ•æ‰ãªã©ã¯ï¼Œã‚«ãƒ¼ã‚½ãƒ«ã‚ãƒ¼ã§ã‚‚ã‚„ã‚ã†ã¨ã™ã‚Œã°å¯èƒ½ã§ã™ãŒï¼Œãªã«ã›æ“ä½œæ€§ãŒæ‚ªã„ã§ã™ï¼Ž ãã“ã§ï¼ŒJavaã§ã‚¸ãƒ§ã‚¤ã‚¹ãƒ†ã‚£ãƒƒã‚¯ã‚’åˆ¶å¾¡ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦ã‚ã‚Œã“ã‚Œã‚„ã£ã¦ã¿ã¾ã—ãŸï¼Ž ã¾ã‚ï¼Œã‚„ã£ã¦ã‚„ã‚Œãªã„ã“ã¨ã¯ãªã„ã‹ãªï¼Œã¨ã„ã£ãŸã¨ã“ã‚ã§ã™ï¼Ž â†‘ å®Ÿç¾æ–¹æ³•ã®æ¤œè¨Ž â€ ã‚¸ãƒ§ã‚¤ã‚¹ãƒ†ã‚£ãƒƒã‚¯ã¯USBæŽ¥ç¶šã®ã‚‚ã®ã‚’ä½¿ç”¨ã™ã‚‹ã®ãŒåŸºæœ¬ã§ã‚ã‚‹ã¨è€ƒãˆã‚‰ã‚Œã¾ã™(ä»–ã«æ–¹æ³•ãŒæ€ã„ã¤ã‹ãªã„) å¾“ã£ã¦ï¼ŒJavaã§USBãƒ‡ãƒã‚¤ã‚¹ã‚’æ‰±ã†æ–¹æ³•ã«ã¤ã„ã¦èª¿ã¹ã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ï¼Ž ã¡ã‚‡ã£ã¨èª¿ã¹ã‚Œã°ã‚ã‹ã‚‹ã“ã¨ã§ã™ãŒï¼ŒJavaã§USBã‚’æ‰±ã†æ¨™æº–çš„ãªæ–¹æ³•ã¯ï¼Œæœªã ç¢ºç«‹ã•ã‚Œã¦ãŠã‚Šã¾ã›ã‚“ï¼Ž JSR-80ãŒãã‚Œã§ã™ãŒ(javax.usb)ï¼ŒWin
sylph01 2010/06/23
java
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