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itohiroki id:itohiroki

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Java ã®ã‚¯ãƒ©ã‚¹ã‚¢ãƒ³ãƒãƒ¼ãƒ‰ (Class Unloading)
ä½œæˆæ—¥ï¼š2004.05.18 æ›´æ–°æ—¥ï¼š2005.06.21 ä»Šå¾Œã€éšæ™‚æ›¸ãè¶³ã—ã¦è¡Œãã¾ã™ã€‚å¤šåˆ†ã€‚ ã¯ã˜ã‚ã« Java ã¯å‹•çš„ã«ã‚¯ãƒ©ã‚¹ã®ãƒãƒ¼ãƒ‰ã¨ã‚¢ãƒ³ãƒãƒ¼ãƒ‰ãŒè¡Œã‚ã‚Œã‚‹ä»•çµ„ã¿ã«ãªã£ã¦ã„ã‚‹ã€‚ ã‚¯ãƒ©ã‚¹ã¯ã‚¯ãƒ©ã‚¹ãƒ•ã‚¡ã‚¤ãƒ«ã®å½¢ã§ãƒ‡ã‚£ã‚¹ã‚¯ä¸Šã‚„ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«é…ç½®ã•ã‚Œã€ãƒ—ãƒã‚°ãƒ©ãƒ ä¸ã§ãã‚Œã‚‰ãŒæœ¬å½“ã«å¿…è¦ã«ãªã£ãŸæ®µéšŽã§ JavaVM ä¸Šã«èªã¿è¾¼ã¾ã‚Œã‚‹ã€‚ ã¾ãŸã‚¯ãƒ©ã‚¹ã¯ãã®ä½¿ç”¨ãŒçµ‚ã‚ã£ãŸæ®µéšŽã§ã‚¬ãƒ¼ãƒ™ãƒ¼ã‚¸ã‚³ãƒ¬ã‚¯ã‚¿ãƒ¼ã«ã‚ˆã£ã¦å‹•çš„ã«å›žåŽã•ã‚Œ JavaVM ã‹ã‚‰ã‚¢ãƒ³ãƒãƒ¼ãƒ‰ã•ã‚Œã‚‹ã€‚ Servlet / J2EE ã‚µãƒ¼ãƒãƒ¼ãªã©ã¯ã“ã®æ€§è³ªã‚’åˆ©ç”¨ã—ã¦é‹ç”¨ä¸ã«ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä¸€éƒ¨ã‚’å…¥ã‚Œæ›¿ãˆã‚‹ãƒ›ãƒƒãƒˆã‚¹ãƒ¯ãƒƒãƒ— (Hot Swap) ã‚’å®Ÿç¾ã—ã¦ã„ã‚‹ã€‚ ã ãŒã“ã®ä»•çµ„ã¿ã‚’å®Ÿè£…ã™ã‚‹ã«ã¯å°‘ã—å·¥å¤«ãŒã„ã‚‹ã€‚ ã“ã®æ–‡æ›¸ã§ã¯ã‚¯ãƒ©ã‚¹ã®ã‚¢ãƒ³ãƒãƒ¼ãƒ‰ã‚’å®Ÿç¾ã™ã‚‹ã‚„ã‚Šæ–¹ã«ã¤ã„ã¦è¿°ã¹ã‚‹ã€‚ 1. ã‚¯ãƒ©ã‚¹ã®ãƒãƒ¼ãƒ‰ã¨ã‚¢ãƒ³ãƒãƒ¼ãƒ‰ã®åŸºæœ¬çš„ãªä»•çµ„ã¿ ã‚¯ãƒ©ã‚¹ãƒãƒ¼ãƒ€ãƒ¼ Java VM ãŒã‚¯ãƒ©
itohiroki 2010/06/27
Class Loader

java

é–‹ç™º
ãƒªãƒ³ã‚¯
Javaã§SNMPãƒžãƒãƒ¼ã‚¸ãƒ£æ©Ÿèƒ½ã‚’ä½œã‚‹ã«ã¯ - torutkã®ãƒ–ãƒã‚°
JMXã«ã‚ã‚‹ã‹ã¨æ€ã„ãã‚„ã€ã©ã†ã‚‚SNMPã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆã®æŒ¯ã‚Šã‚’ã™ã‚‹ãƒ©ãƒƒãƒ‘ãƒ¼ãŒæä¾›ã•ã‚Œã¦ã„ã‚‹ã ã‘ã®ã‚ˆã†ã§ã™ã€‚ SNMPã®æœ‰å„Ÿè£½å“ãªã‚‰ã„ãã¤ã‹å‡ºã¦ã„ã¾ã™ãŒã€å‹‰å¼·ãƒ¬ãƒ™ãƒ«ã§å€‹äººã§è²·ã†æ°—ãŒã—ãªã„ã®ã§ã€ãƒ•ãƒªãƒ¼ãªã‚‚ã®ã‚’æŽ¢ã—ã¦ã¿ã¾ã—ãŸã€‚ SNMP4J http://www.snmp4j.org/ SNMPã®ã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆæ©Ÿèƒ½ã€ãƒžãƒãƒ¼ã‚¸ãƒ£æ©Ÿèƒ½ã‚’æä¾›ã™ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€‚ Westhawk's Java SNMP stack http://snmp.westhawk.co.uk/ è»½é‡SNMPã‚¹ã‚¿ãƒƒã‚¯ MIB Parser http://www.mibble.org/ MIBå®šç¾©ãƒ•ã‚¡ã‚¤ãƒ«ã‚’è§£æžã™ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€‚
itohiroki 2010/06/27
java

snmp
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Google I/O 2010
Sessions @ Google I/O Google I/O offered 90+ sessions featuring highly technical, in-depth content covering a number of techno logies and developer products. Beginning Tuesday June 1, we'll be releasing videos and slides for each session track per the following schedule: Tues June 1: App Engine, GWT Wed June 2: Enterprise, Android Thurs June 3: Google Chrome, Social Web Fri June 4: Tech Talks, Fire
itohiroki 2010/06/02
java

google

gwt

develop
ãƒªãƒ³ã‚¯
ç±³SpringSourceã€ãƒ‡ãƒ¼ã‚¿ç®¡ç†æŠ€è¡“ã®ç±³GemStoneã‚’è²·åŽã—ã¦ã‚¯ãƒ©ã‚¦ãƒ‰ã‚¢ãƒ—ãƒªå‘ã‘ã‚¤ãƒ³ãƒ•ãƒ©ã‚’å¼·åŒ–
ç±³SpringSourceã€ãƒ‡ãƒ¼ã‚¿ç®¡ç†æŠ€è¡“ã®ç±³GemStoneã‚’è²·åŽã—ã¦ã‚¯ãƒ©ã‚¦ãƒ‰ã‚¢ãƒ—ãƒªå‘ã‘ã‚¤ãƒ³ãƒ•ãƒ©ã‚’å¼·åŒ– ç±³VMwareå‚˜ä¸‹ã®SpringSourceã¯5æœˆ6æ—¥ï¼ˆç±³å›½æ™‚é–“ï¼‰ã€ãƒ‡ãƒ¼ã‚¿ç®¡ç†æŠ€è¡“ã‚’é–‹ç™ºã™ã‚‹ç±³GemStone Systemsã‚’è²·åŽã™ã‚‹ã“ã¨ã§åˆæ„ã—ãŸã¨ç™ºè¡¨ã—ãŸã€‚è²·åŽé‡‘é¡ãªã©è©³ç´°ã¯å…¬è¡¨ã—ã¦ã„ãªã„ã€‚ã‚¯ãƒ©ã‚¦ãƒ‰æ™‚ä»£ã«è¦æ±‚ã•ã‚Œã‚‹ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚¤ãƒ³ãƒ•ãƒ©ã‚’å¼·åŒ–ã™ã‚‹ã€‚ GemStoneã¯ã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚ºãƒ‡ãƒ¼ã‚¿ç®¡ç†ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã‚’é–‹ç™ºã™ã‚‹ãƒ™ãƒ³ãƒ€ãƒ¼ã€‚ä¸»åŠ›è£½å“ã¯ã€ŒGemFire Enterpriseã€ã§ã€æ‹¡å¼µæ€§ã®ã‚ã‚‹ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªã®åˆ†æ•£åž‹ãƒ‡ãƒ¼ã‚¿ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã¨ã‚¯ãƒ©ã‚¦ãƒ‰ãƒªã‚½ãƒ¼ã‚¹ç®¡ç†ãªã©ã®æ©Ÿèƒ½ã‚’æŒã¤ã€‚ SpringSourceã¯Javaã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™ºãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã®ã€ŒSpring Frameworkã€ãªã©ã€Javaã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®æ§‹ç¯‰ã€é‹ç”¨ã€ç®¡ç†ã‚’æä¾›ã—ã¦ã„ã‚‹ã€‚GemStoreã®è²·åŽã«ã‚ˆã£ã¦ã€åˆ†æ•£å®Ÿè£…
itohiroki 2010/05/09
java

è²·åŽ
ãƒªãƒ³ã‚¯
IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
itohiroki 2010/05/07
dw

java

linux
ãƒªãƒ³ã‚¯
OSGiâ„¢ Alliance â€“ The Dynamic Module System for Java
Try out the latest OSGi enRoute Quick Start example to see how easy it is to get going. IoT World 2020 will be held April 6-9 in San Jose, California.Â This global conference and exhibition is where strategists, techno logists and implementers connect, putting IoT, AI, 5G and Edge into action across industry verticals. The OSGi Alliance is proud to celebrate its 20th anniversary, marking two decade
itohiroki 2010/05/07
OSGi

java

ã‚·ã‚¹ãƒ†ãƒ é–‹ç™º
ãƒªãƒ³ã‚¯
The Scala Programming Language
val fruits = List("apple", "banana", "avocado", "papaya") val countsToFruits = // count how many 'a' in each fruit fruits.groupBy(fruit => fruit.count(_ == 'a')) for (count, fruits) <- countsToFruits do println(s"with 'a' Ã— $count = $fruits") // prints: with 'a' Ã— 1 = List(apple) // prints: with 'a' Ã— 2 = List(avocado) // prints: with 'a' Ã— 3 = List(banana, papaya)
itohiroki 2010/05/07
java

functional

scala
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SQLiteJDBC
SQLiteJDBC is a Java JDBC driver for SQLite. It runs using either a native code library 100% Pure Java driver based on NestedVM emulation. Both the pure driver and the native binaries for Windows, Mac OS X, and Linux x86 have been combined into a single jar file.
itohiroki 2010/03/15
sqlite

java

db
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Java Sound Resources
This site helps you to learn and master the Java Sound API. You'll find code examples, FAQs and applications. The well-known Java Sound Examples show good usage and best practices for programming the Java Sound API. Many of the examples are minimal and easy to follow. But you'll also find special tricks and more complex stuff. Code is saying more than 1000 words! Well, let's hope that everybody k
itohiroki 2010/02/22
java

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰

midi

sound
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