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[java] モダン㪠Annocation Processor ã®é–‹ç™ºæ‰‹é †ã¾ã¨ã‚ - tokuhirom's blog
APT ã¨ã¯ Annotation Processing Tool ã®ã“ã¨ã§ï½¤Java ã§ã‚³ãƒ¼ãƒ‰ã®è‡ªå‹•ç”Ÿæˆã‚’è¡Œã†éš›ã«åˆ©ç”¨ã•ã‚Œã‚‹ï½¡ APT を利用ã™ã‚‹ã¨ï½¤Java クラスやリソースã®è‡ªå‹•ç”ŸæˆãŒå¯èƒ½ã¨ãªã‚‹ï½¡ インターãƒãƒƒãƒˆã«æƒ…å ±ã¯çµæ§‹ã‚ã‚‹ã®ã ãŒï½¤æ˜”ã®ã‚‚ã®ãŒå¤šãã¦ï½¤Eclipse ã« JAR ã‚’è¿½åŠ ã—ã¦äº‘々ã¨ã‹ãã†ã„ã†æ„Ÿã˜ã®ã‚‚ã®ãŒå¤šãã¦è¾›ã„ã®ã§èª¿ã¹ãŸã“ã¨ã‚’ã¾ã¨ã‚ã¦ãŠã｡ アノテーションを作る é©å½“ãªã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã‚’作る｡ import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; @Retention(RetentionPolicy.SO
Pluggable Annotation Processor APIã§import文をå–ã‚‹ - 京都行ããŸã„
APTã€Pluggable Annotation Processorã¯çš†ã•ã‚“ãŠä½¿ã„ã§ã—ょã†ã‹ã€‚ タイトルã®é€šã‚Šã§ã™ãŒã€APTã§import文をå–ã£ã¦ã¿ã¾ã™ã€‚ gradleã¯ã¨ã‚Šã‚ãˆãšã“ã‚“ãªæ„Ÿã˜ã§ã™ã€‚ 今回ã¯APTã®Processorを作るプãƒã‚¸ã‚§ã‚¯ãƒˆã§ã™ãŒAPTを使ã„ã¾ã™ï¼ˆã‚°ãƒ«ã‚°ãƒ«ç›®ï¼‰ 準備 apply plugin: 'java' apply plugin: "net.ltgt.apt" buildscript { repositories { maven { url "https://plugins.gradle.org/m2/" } } dependencies { classpath "net.ltgt.gradle:gradle-apt-plugin:0.9" } } sourceCompatibility = 1.8 repositories { jcenter() } dep
KotlinPoet を使ã£ã¦ Android プãƒã‚¸ã‚§ã‚¯ãƒˆã§ã‚³ãƒ¼ãƒ‰ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã™ã‚‹ | by Naohiro Oogatta | Medium
å‚考PermissionsDispatcher ㌠KotlinPoet ã«å¯¾å¿œã—ãŸå·®åˆ†ãŒã¨ã¦ã‚‚ã¨ã¦ã‚‚ã¨ã¦ã‚‚å‚考ã«ãªã‚Šã¾ã™ã€‚特ã«ã“ã® PR ã§ã™ã€‚ Support .kt file generation by hotchemi · Pull Request #344 · permissions-dispatcher… Issues resolves hotchemi#320 also resolves hotchemi#327 Overview Add Kotlin file generation support. Add KotlinPoet…
Annotation Processing 101
Post by Hannes Dorfmann Jan 10, 2015 In this blog entry I would like to explain how to write an annotation processor. First, I am going to explain to you what annotation processing is, what you can do with that powerful tool and finally what you cannot do with it. In a second step we will implement a simple annotation processor step by step. The Basics To clarify a very important thing from the ve
Google Best Practices for Java Libraries
Google Best Practices for Java Libraries Google Best Practices for Java Libraries are rules that minimize problems for consumers of interconnected Java libraries. These practices come from decades of aggregated experience in maintaining open source Java libraries and are informed by many hard-learned lessons from mistakes that have been made. We have found that following these rules results in hig
Javaã®ã‚³ãƒ³ãƒ†ãƒŠã®ãƒ¡ãƒ¢ãƒªå‰²ã‚Šå½“ã¦ã®è€ƒãˆæ–¹ã‚’ã¾ãã•ã‚“ã«æ•™ãˆã¦ã„ãŸã ã„ãŸã®ã§è¨˜éŒ² - Mitsuyuki.Shiiba
何度ã‹æ•™ãˆã¦ã„ãŸã ã„ã¦ã„ã‚‹ã®ã§ã€ä»Šåº¦ã“ãã—ã£ã‹ã‚Šè¦šãˆã¦ãŠããŸãã¦ã€ã¾ãã•ã‚“ã‹ã‚‰ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚’記録。 ## メモリサイズã®è€ƒãˆæ–¹ SpringBootã®ã‚¢ãƒ—リをコンテナã¨ã—ã¦å‹•ã‹ã™å ´åˆã«ã¯768MB以上必è¦ã§ã€1GBãらã„ã¯å‰²ã‚Šå½“ã¦ã‚‹å¿…è¦ãŒã‚ã‚‹ã®ã§ã¯ãªã„ã‹ã¨ã„ã†åƒ•ã®ã‚³ãƒ¡ãƒ³ãƒˆã«å¯¾ã—ã¦ã„ãŸã ã„ãŸã‚³ãƒ¡ãƒ³ãƒˆã€‚ ãã‚Œã¯ä¸æ£ç¢º..Tomcatを使ã†å ´åˆã¯æœ€å¤§ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³(スレッド)ãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆ200ã§+50スレッドãらã„余裕を見るã¨250M (-Xss1M）ã§ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®ReservervedCodeCacheSize 240Mã¨DirectMemorySize 10MåŠ ãˆãŸä¸Šã«MaxMetaSpaceSizeãŒã–ã£ãã‚Š50Mãらã„足ã™ã¨550Mãらã„使ã£ã¦ã“ã‚ŒHeapを足ã™ã¨ã‚³ãƒ³ãƒ†ãƒŠã‚µã‚¤ã‚ºâ€” Toshiaki Maki (@making) November 16, 2019 ãã®å‰æã§ã‚ã‚Œã°Heap 2
Unified JVM Logging
3. ãŠã‚„ããã! • 本セッション (スライド) ã¯ã€ 以下㮠JVM 実装ã«åŸºã¥ãã¾ã™ – OpenJDK 9 EA b170 (HotSpot VM) – jdk9/jdk9/hotspot 12762:b3ee8ab233ed EA = Early Access。æ£å¼ãƒªãƒªãƒ¼ã‚¹å‰ã®ãƒã‚¤ãƒŠãƒª Copyright©2017 NTT corp. All Rights Reserved.+ 3! $ java -version java version "9-ea" Java(TM) SE Runtime Environment (build 9-ea+170) Java HotSpot(TM) 64-Bit Server VM (build 9-ea+170, mixed mode)+
ã€Mac】javaã§OpenCVã®ç’°å¢ƒè¨å®šã«è‹¦åŠ´ã—ãŸãƒ¡ãƒ¢ - ã¿ã®å±‹ï¼Ž
一旦デスクトップマスコットã®ãŠè©±ã¯ç½®ã„ã¦ãŠã„ã¦ï¼Œ 今回ã¯ã“ã“ã—ã°ã‚‰ãé ã‚’æ‚©ã¾ã›ã¦ã„ãŸJavaã§OpenCVをインストールã™ã‚‹ãŸã‚ã®ãƒ¡ãƒ¢æ›¸ãを． 実ã¯OpenCV自体ã¯ç´„2å¹´å‰ã‹ã‚‰ã¡ã‚‡ã“ã¡ã‚‡ã“javaã§å…¥ã‚Œã‚ˆã†ã¨ã—ã¦ãŸã‚‚ã®ã®æ¯Žå›žå¤±æ•—ã—ã¦å¾Œå›žã—ã«ã—ã¦ãŸã‚“ã§ã™ãŒï¼Œã‚る授æ¥ã§ç”»åƒå‡¦ç†ã®èª²é¡ŒãŒå‡ºãŸã®ã§æ”¹ã‚ã¦æŒ‘戦ã—ã¦ã¿ã‚‹ã“ã¨ã«ï¼Ž å‰ç½®ãã¨ã—ã¦ï¼Œä»Šå›žã‚„ã£ã¨OpenCVãŒjavaã®ã‚³ãƒ³ãƒ‘イルã¯é€šã£ãŸã‚‚ã®ã®ï¼Œç¾æ™‚点ã§ã¾ã 実行時ã«ã‚¨ãƒ©ãƒ¼ãŒå‡ºã¦ã¾ã™ï¼Ž 今回ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ç’°å¢ƒ(Home brew ãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã¦ã„ã‚‹ã“ã¨ãŒå‰æ) Sierra 10.12.6 java version "1.8.0_112" OpenCV 3.3.1_1 (brew使用) 今ã¾ã§ã¯OpenCVã‚’'.tar'ファイルç‰ã§è½ã¨ã—ã¦ç’°å¢ƒæ§‹ç¯‰ã—よã†ã¨ã—ã¦ãŸã®ã ã‘ã©ï¼Œbrewã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã„るサイトãŒå¤šã‹ã£ãŸãŸã‚，今回ã¯brewã§ã‚¤
Javaã§ãƒ‘スワードをãƒãƒƒã‚·ãƒ¥åŒ–ã™ã‚‹ã®ã«è‰¯ã„方法を調ã¹ã¦ã¿ãŸ - Qiita
Javaã§ãƒ‘スワードをãƒãƒƒã‚·ãƒ¥åŒ–ã™ã‚‹ã®ã«è‰¯ã„方法を調ã¹ãŸã®ã§ãƒ¡ãƒ¢ã—ã¦ãŠã è¦ä»¶ãƒ»æ–¹é‡ å¿…è¦ãªå…¨æƒ…å ±ãŒæ”»æ’ƒè€…ã®æ‰‹ã«å…¥ã£ã¦ã‚ªãƒ•ãƒ©ã‚¤ãƒ³ã§è§£æžã•ã‚Œã¦ã‚‚困らãªã„。 強力ãªHASH関数ã¨ã€ã‚¢ã‚«ã‚¦ãƒ³ãƒˆæ¯Žã«é•ã†Saltã€ãã—ã¦ã‚¹ãƒˆãƒ¬ãƒƒãƒãƒ³ã‚°ãŒå¿…è¦ã€‚ Saltã¯HASH化ã•ã‚ŒãŸãƒ‘スワードã¨ä¸€ç·’ã«ä¿ç®¡ã—ã¦OK Saltã¨ã‚¹ãƒˆãƒ¬ãƒƒãƒãƒ³ã‚°ã®å‡¦ç†ã¯ã€ç‹¬è‡ªå®Ÿè£…ã§ã¯ãªãæ—¢å˜ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®æ—¢å˜å®Ÿè£…使ㆠPBKDF2 ã¨ã‹ Bcrypt, Scrypt ãªã©ã€‚ JCA(Java Cryptography Architecture) ãŒåˆ©ç”¨å‡ºæ¥ã‚‹ãªã‚‰æœ€å–„ã ã‚ã†ã€‚ãã†ã§ãªã‘ã‚Œã°è‘—åプãƒã‚¸ã‚§ã‚¯ãƒˆã®ç‰©ã‚’使ã„ãŸã„ å‚考 http://www.f-secure.com/weblog/archives/00002095.html 日本語訳：http://blog.f-secure.jp/archives/50564743.htm *「
タイムゾーン呪ã„ã®æ›¸ - Qiita
技術的ãªæ¨™æº–・è¦æ ¼ (TODO: IATA, Microsoft) tz database タイムゾーンã«é–¢ã™ã‚‹ã€ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒ»ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã«ã¨ã£ã¦æœ€ã‚‚標準的ãªãƒ‡ãƒ¼ã‚¿ãŒ tz database (Wikipedia) ã§ã—ょã†ã€‚ "Asia/Tokyo" ã‚„ "Europe/London" ã®ã‚ˆã†ãªã‚¿ã‚¤ãƒ ゾーンã®åå‰ã¯ã€ã“ã® tz database ã®ã‚‚ã®ã§ã™ã€‚ tz database ã®ã‚¿ã‚¤ãƒ ゾーン㯠"/" ã®å‰ã®æœ€åˆã®éƒ¨åˆ†ã«å¤§é™¸å・海洋åを用ã„ã€ç¶šã„ã¦ã€å…¸åž‹çš„ã«ã¯ãã®ã‚¿ã‚¤ãƒ ゾーン内ã®è‘—åãªéƒ½å¸‚å・島åã‚’ãã®ä»£è¡¨ã¨ã—ã¦å付ã‘られã¦ã„ã¾ã™ã€‚21 国åã¯åŸºæœ¬çš„ã«ä½¿ã‚ã‚Œã¾ã›ã‚“。22 "America/Indiana/Indianapolis" ã®ã‚ˆã†ã«3è¦ç´ ã§æ§‹æˆã•ã‚Œã‚‹ã‚¿ã‚¤ãƒ ゾーンも少数ãªãŒã‚‰å˜åœ¨ã—ã¾ã™ã€‚ tz database ã¯ãƒœãƒ©ãƒ³ãƒ†ã‚£ã‚¢ã«ã‚ˆã£ã¦ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ã•ã‚Œã¦ã„ã¾ã™ã€‚タイムゾーンã®æƒ…
Mavenã§ã®ä¾å˜ãƒ©ã‚¤ãƒ–ラリã®æœ€æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’表示ã€æ›´æ–°ã—ãŸã‚Šã§ãã‚‹Versions Maven Plugin - CLOVERðŸ€
JJUG CCC 2016 Springã®ã€ŒSpring Boot 㧠Boot ã—ãŸå¾Œã«ä½œã‚‹ Web アプリケーション基盤ã€ã¨ã„ã†ã‚»ãƒƒã‚·ãƒ§ãƒ³ã§ã€Versions Maven Pluginã¨ã„ã†ã‚‚ã®ãŒã‚ã‚‹ã“ã¨ã‚’知りã¾ã—ãŸã€‚ Spring Boot 㧠Boot ã—ãŸå¾Œã«ä½œã‚‹ Web アプリケーション基盤/spring-boot-application-infrastructure - Speaker Deck 該当ã®ãƒšãƒ¼ã‚¸ã€‚ https://speakerdeck.com/sinsengumi/spring-boot-application-infrastructure?slide=75 https://speakerdeck.com/sinsengumi/spring-boot-application-infrastructure?slide=76 便利ãã†ã ãªã€œã¨æ€ã£ãŸã®ã§ã€ãƒ¡ãƒ¢ã‚’å…¼ã
Java Slang – Programming Guide
Featured Story Interoperability Between Java and Javaslang https://www.javaslang.io Continue Reading... Translators in Huiyi are among the best due to the nature of the business today, where each stroke in cross-cultural communication matters and understanding and expression are well transferred in translations. It embraced both software and work processes in such a way that it improved accuracy o
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GitHub - google/auto: A collection of source code generators for Java.
Java Annotation Processing and Creating a Builder | Baeldung
GitHub - EsotericSoftware/kryo: Java binary serialization and cloning: fast, efficient, automatic
GitHub - apiguardian-team/apiguardian: @API Guardian
BCryptPasswordEncoder (Spring Security 3.2.5.RELEASE API)
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