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Javaã®è¬Žã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹åŠ£åŒ–ç¾è±¡ã¨ã®æˆ¦ã„ - Cybozu Inside Out | ã‚µã‚¤ãƒœã‚¦ã‚ºã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ–ãƒã‚°
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at_yasu 2016/04/13
jvm

java

performance
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GoogleãŒAndroidã§ã®Javaç„¡æ–ä½¿ç”¨ã§1å…†å††è¶…ãˆã®è³ å„Ÿé‡‘ã‚’è«‹æ±‚ã•ã‚Œã‚‹
By Filip MaljkoviÄ‡ 6å¹´å‰ã€Oracleã¯ã€ŒAndroidãŒãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã®å¿…è¦ãªJavaãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã‚’ç„¡æ–ã§åˆ©ç”¨ã—ã¦ã„ã‚‹ã€ã¨ã„ã†ã“ã¨ã§Googleã‚’è¨´ãˆã¾ã—ãŸã€‚ç¾åœ¨ã‚‚è¨´è¨Ÿã¯ç¶šã„ã¦ã„ã‚‹ã®ã§ã™ãŒã€Oracleã¯Googleã«93å„„ãƒ‰ãƒ«(ç´„1å…†500å„„å††)ã‚‚ã®è³ å„Ÿé‡‘ã®æ”¯æ‰•ã„ã‚’æ±‚ã‚ã¦ã„ã‚‹ã“ã¨ãŒæ˜Žã‚‰ã‹ã«ãªã‚Šã¾ã—ãŸã€‚ Oracle seeks $9.3 billion for Googleâ€™s use of Java in Android | Network World http://www.networkworld.com/article/3048814/android/oracle-seeks-93-billion-for-googles-use-of-java-in-android.html 2012å¹´ã«è¡Œã‚ã‚ŒãŸOracleã¨Googleã®è£åˆ¤ã§ã€Googleã®Javaä½¿ç”¨ãŒ
at_yasu 2016/03/29
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google

java

oracle
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2å¹´ã¶ã‚Šã®Javaã‚¼ãƒãƒ‡ã‚¤è„†å¼±æ€§
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at_yasu 2015/08/26
java

security
ãƒªãƒ³ã‚¯
Gradle Build Tool
Gradle Build Tool accelerates developer productivity Gradle is the open source build system of choice for Java, Android, and Kotlin developers. From mobile apps to microservices, from small startups to big enterprises, it helps teams deliver better software, faster. Build Anything Write in Java, Kotlin, C++, or any language of your choice. Package for deployment on any platform. Go monorepo or mul
at_yasu 2015/08/01
Java
ãƒªãƒ³ã‚¯
Javaã«ãŠã‘ã‚‹nullã€‚ã“ã‚Œã¾ã§ã¨ã“ã‚Œã‹ã‚‰
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at_yasu 2015/04/12
java
ãƒªãƒ³ã‚¯
Blu-rayãƒ‡ã‚£ã‚¹ã‚¯ã‚’æŒ¿å…¥ã™ã‚‹ã ã‘ã§PCã‚„ãƒ—ãƒ¬ãƒ¼ãƒ¤ãƒ¼ãŒãƒžãƒ«ã‚¦ã‚§ã‚¢ã«æ„ŸæŸ“ã™ã‚‹å¯èƒ½æ€§
By Diego Correa Blu-rayãƒ‡ã‚£ã‚¹ã‚¯ã‚’PCã‚„Blu-rayãƒ—ãƒ¬ãƒ¼ãƒ¤ãƒ¼ã«æŒ¿å…¥ã—ãŸã ã‘ã§ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã«ã¯æ°—ã¥ã‹ã‚Œãªã„å†…ã«ãã‚Œã‚‰ã®ç«¯æœ«ã«ãƒžãƒ«ã‚¦ã‚§ã‚¢ã‚’ä»•è¾¼ã‚€ã“ã¨ãŒå¯èƒ½ã§ã‚ã‚‹ã“ã¨ãŒã€ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼é–¢é€£ã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã‚³ãƒ³ã‚µãƒ«ã‚¿ãƒ³ãƒˆã‚’è¡Œã£ã¦ã„ã‚‹NCC Groupã®ã‚¹ãƒ†ã‚£ãƒ¼ãƒ´ãƒ³ãƒ»ãƒˆãƒ ã‚ãƒ³ã‚½ãƒ³æ°ã®ç ”ç©¶ã«ã‚ˆã‚Šæ˜Žã‚‰ã‹ã«ãªã‚Šã¾ã—ãŸã€‚ Abusing Blu-ray Players Pt. 1 â€“ Sandbox Escapes | NCC Group https://www.nccgroup.com/en/blog/2015/02/abusing-blu-ray-players-pt-1-sandbox-escapes/ More IoT insecurity: This Blu-ray disc pwns PCs and DVD players | Ars Technica http://ars
at_yasu 2015/03/11
security

java
ãƒªãƒ³ã‚¯
Springã®Cache Abstractionã«ã¤ã„ã¦
VMware Tanzu for Postgres 18.2ã‚’Patroniã«ã‚ˆã‚‹HAæ§‹æˆã§Rocky Linuxã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ãƒ¡ãƒ¢ã“ã®è¨˜äº‹ã§ã¯OrbStackä¸Šã®Rocky Linuxâ€¯9ã«VMware Tanzu for Postgresâ€¯18.2ã‚’Patroni HAæ§‹æˆã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã€Etcdãƒ»HAProxyè¨å®šã¨ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼æ¤œè¨¼ã¾ã§æ‰‹é †ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚
at_yasu 2015/02/19
java
ãƒªãƒ³ã‚¯
Javaã§æ›¸ã‹ã‚ŒãŸPHPå‡¦ç†ç³»ã®JPHPãŒé«˜é€Ÿã ã£ãŸ - hnwã®æ—¥è¨˜
JPHPã¨ã„ã†Javaã§æ›¸ã‹ã‚ŒãŸPHPå‡¦ç†ç³»ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯2013å¹´10æœˆã«ã¯ã˜ã¾ã£ãŸæ–°ã—ã„ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ã€å¤§åŠã‚’ãƒ¡ã‚¤ãƒ³é–‹ç™ºè€…ä¸€äººã§é–‹ç™ºã—ã¦ã„ã‚‹ã‚ˆã†ã§ã™ãŒã€æ—¢ã«ä¸€å®šä»¥ä¸Šã®å®Œæˆåº¦ã§ã™ã€‚ã¾ãŸã€å†…éƒ¨çš„ã«ã¯PHPãƒ•ã‚¡ã‚¤ãƒ«ã‚’è§£é‡ˆã—ã¦ç›´æŽ¥Javaãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã«ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã¦ãŠã‚Šã€ã‹ãªã‚Šé«˜é€ŸãªPHPå‡¦ç†ç³»ã«ãªã£ã¦ã„ã¾ã™ã€‚ ä»–ã®PHPå‡¦ç†ç³»ã¨ç•°ãªã‚Šã€æ—¢å˜ã®PHPã‚³ãƒ¼ãƒ‰ã‚’Webã‚µãƒ¼ãƒä¸Šã§å‹•ã‹ã™ã“ã¨ã‚’é‡è¦–ã—ã¦ã„ãªã„ã‚ˆã†ã«ã‚‚è¦‹ãˆã¾ã™ãŒã€èˆˆå‘³æ·±ã„ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ã™ã®ã§ç´¹ä»‹ã—ã¾ã™ã€‚ JPHPã‚’å‹•ã‹ã—ã¦ã¿ã‚‹ ã•ã£ããJPHPã‚’è©¦ã—ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ç¾æ™‚ç‚¹ã§ã¯GitHubã‹ã‚‰ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’æŒã£ã¦ãã¦ãƒ“ãƒ«ãƒ‰ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚JDK7ä»¥ä¸ŠãŒå¿…è¦ã§ã™ã®ã§æ³¨æ„ã—ã¦ãã ã•ã„ã€‚JPHPã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã€ŒGetting Startedã€ã®é€šã‚Šã€æ¬¡ã®ã‚ˆã†ã«ã—ã¦JPHPãŒãƒ“ãƒ«ãƒ‰ã§ãã¾ã™ã€‚ $ git clone https://githu
at_yasu 2015/01/17
ã€ŒPHPã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‹ã‚‰Javaãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã«ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã‚ˆã†ãªå®Ÿè£…ã«ãªã£ã¦ãŠã‚Šã€ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ãƒ†ã‚¹ãƒˆçµæžœã«ã‚ˆã‚Œã°ä»–ã®å®Ÿè£…ã¨æ¯”ã¹ã¦ã‚‚é«˜é€Ÿãªå‡¦ç†ç³»ã€ã»ãƒ¼

php

java
ãƒªãƒ³ã‚¯
Why is printing "B" dramatically slower than printing "#"?
I generated two matrices of 1000 x 1000: First Matrix: O and #. Second Matrix: O and B. Using the following code, the first matrix took 8.52 seconds to complete: Random r = new Random(); for (int i = 0; i < 1000; i++) { for (int j = 0; j < 1000; j++) { if (r.nextInt(4) == 0) { System.out.print("O"); } else { System.out.print("#"); } } System.out.println(""); } With this code, the second matrix too
at_yasu 2015/01/02
Java
ãƒªãƒ³ã‚¯
Understanding JIT Compilation and Optimizations
Understanding JIT Compilation and Optimizations This section offers a high-level look at how the Oracle JRockit JVM generates code. It provides information on JIT compilation and how the JVM optimizes code to ensure high performance. This section contains information on the following subjects: More than a â€œBlack Boxâ€ From the userâ€™s point of view, the JRockit JVM is merely a black box that â€œconver
at_yasu 2014/10/27
java

JIT
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â€“ ã“ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã¯ãŠåå‰.comã§å–å¾—ã•ã‚Œã¦ã„ã¾ã™ã€‚
ã“ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã¯ ãŠåå‰.com ã‹ã‚‰å–å¾—ã•ã‚Œã¾ã—ãŸã€‚ ãŠåå‰.com ã¯ GMOã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆ(æ ª) ãŒé‹å–¶ã™ã‚‹å›½å†…ã‚·ã‚§ã‚¢No.1ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ç™»éŒ²ã‚µãƒ¼ãƒ“ã‚¹ã§ã™ã€‚ â€»è¡¨ç¤ºä¾¡æ ¼ã¯ã€å…¨ã¦ç¨Žè¾¼ã§ã™ã€‚ â€»ã‚µãƒ¼ãƒ“ã‚¹å“è³ªç¶æŒã®ãŸã‚ã€ä¸€æ™‚çš„ã«å¯¾è±¡ã¨ãªã‚‹æ–™é‡‘ã¸ä¸€å®šå‰²åˆã®ã€Œã‚µãƒ¼ãƒ“ã‚¹ç¶æŒèª¿æ•´è²»ã€ã‚’åŠ ç®—ã•ã›ã¦ã„ãŸã ãã¾ã™ã€‚ â€»1 ã€Œå›½å†…ã‚·ã‚§ã‚¢ã€ã¯ã€ICANN(ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®ãƒ‰ãƒ¡ã‚¤ãƒ³åãªã©ã®è³‡æºã‚’ç®¡ç†ã™ã‚‹éžå–¶åˆ©å›£ä½“)ã®å…¬è¡¨æ•°å€¤ã‚’ã‚‚ã¨ã«é›†è¨ˆã€‚gTLDãŒé›†è¨ˆã®å¯¾è±¡ã€‚ æ—¥æœ¬ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ç™»éŒ²æ¥è€…(ãƒ¬ã‚¸ã‚¹ãƒˆãƒ©)ï¼ˆã€ŒICANNãŒãƒ¬ã‚¸ã‚¹ãƒˆãƒ©ã¨ã—ã¦èªå®šã—ãŸä¼æ¥ã€ä¸€è¦§ï¼ˆInterNICæä¾›ï¼‰å†…ã«ã€ŒJapanã€ã®è¨˜è¼‰ãŒã‚ã‚‹ã‚‚ã®ï¼‰ã‚’å¯¾è±¡ã€‚ ãƒ¬ã‚¸ã‚¹ãƒˆãƒ©ã€ŒGMO Internet Group, Inc. d/b/a Onamae.comã€ã®ã‚·ã‚§ã‚¢å€¤ã‚’é›†è¨ˆã€‚ 2024å¹´5æœˆæ™‚ç‚¹ã®èª¿æŸ»ã€‚
at_yasu 2014/10/25
java
ãƒªãƒ³ã‚¯
JavaOne 2014 San Francisco Report
JavaOne 2014 San Francisco Report 1. JavaOne 2014 é–‹å‚¬å ±å‘Š +Î± Copyright Â© 2014, Oracle and/or its affiliates. All rights reserved. Yoshio Terada Senior Java Evangelist Fusion Middleware Oracle Blog : http://yoshio3.com Twitter : @yoshioterada 2. SAFE HARBOR STATEMENT ä»¥ä¸‹ã®äº‹é …ã¯ã€å¼Šç¤¾ã®ä¸€èˆ¬çš„ãªè£½å“ã®æ–¹å‘æ€§ã«é–¢ã™ã‚‹æ¦‚è¦ã‚’èª¬æ˜Žã™ã‚‹ã‚‚ã®ã§ã™ã€‚ã¾ãŸã€ æƒ…å ±æä¾›ã‚’å”¯ä¸€ã®ç›®çš„ã¨ã™ã‚‹ã‚‚ã®ã§ã‚ã‚Šã€ã„ã‹ãªã‚‹å¥‘ç´„ã«ã‚‚çµ„ã¿è¾¼ã‚€ã“ã¨ã¯ã§ãã¾ã›ã‚“ ã€‚ä»¥ä¸‹ã®äº‹é …ã¯ã€ãƒžãƒ†ãƒªã‚¢ãƒ«ã‚„ã‚³ãƒ¼ãƒ‰ã€æ©Ÿèƒ½ã‚’æä¾›ã™ã‚‹ã“ã¨ã‚’ã‚³ãƒŸãƒƒãƒˆãƒ¡ãƒ³ãƒˆï¼ˆç¢ºç´„ï¼‰ ã™ã‚‹ã‚‚ã®ã§ã¯ãªã„ãŸã‚ã€è³¼è²·æ±ºå®šã‚’
at_yasu 2014/10/18
java

oracle
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Netty: Home
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. Netty is an NIO client server framework which enables quick and easy development of network applications such as protocol servers and clients. It greatly simplifies and streamlines network programming such as TCP and UDP socket server. 'Quick and ea
at_yasu 2014/09/09
java

netty

performance

framework
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at_yasu 2014/07/27
ã€ŒErjang is a virtual machine for Erlang, which runs on Javaâ„¢.ã€

erlang

java
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Engadget | Technology News & Reviews
What to expect at Meta Connect 2025: 'Hypernova' smart glasses, AI and the metaverseMeta Connect, the company's annual event dedicated to all things AR, VR, AI and the metaverse is just days away. And once again, it seems like it will be a big year for smart glasses and AI. Instagram fixed an issue that caused posting multiple Stories to tank your reachInstagram fixed a bug that made posting multi
at_yasu 2014/06/20
ã€Œå‰¯ä½œç”¨ã¨ã—ã¦ã¯ã€JIT(å®Ÿè¡Œæ™‚)ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã‹ã‚‰AOT(äº‹å‰)ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã«ãªã‚‹ã“ã¨ã§ã€ã‚¢ãƒ—ãƒªã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ™‚ã«ã‹ã‹ã‚‹æ™‚é–“ãŒé•·ããªã‚Šã¾ã™ã€

android

java
ãƒªãƒ³ã‚¯
JVM! JVM! JVM!
Embulk, an open-source plugin-based parallel bulk data loader
at_yasu 2014/06/13
JVM

Java

ç›£è¦–
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RoboVM - Create Truly Native iOS Apps in Java
RoboVM makes it possible to develop native iOS apps in Java and other JVM languages with full access to the CocoaTouch APIs and the hardware. RoboVM is 100% open source.We need your help to make the RoboVM open-source project successful. Please consider sponsoring! Create native iOS apps in Java. Truly native iOS apps using native UIs and with full hardware access. Reuse your Java language and too
at_yasu 2014/06/05
java

ios
ãƒªãƒ³ã‚¯
Javaãƒˆãƒ©ãƒ–ãƒ«ã«å‚™ãˆã‚ˆã† #jjug_ccc #ccc_h2
Java 17ç›´å‰ï¼ã‚ªãƒ¬æµOpenJDKã€Œã®ã€é–‹ç™ºç’°å¢ƒï¼ˆOpen Source Conference 2021 Online/Kyoto ç™ºè¡¨è³‡æ–™ï¼‰
at_yasu 2014/05/19
java

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at_yasu 2014/04/02
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at_yasu 2014/03/27
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