How to use the new Amazon DynamoDB key diagnostics library to visualize and understand your application’s traffic patterns | AWS Database Blog
AWS Database Blog How to use the new Amazon DynamoDB key diagnostics library to visualize and understand your application’s traffic patterns Update (December 14, 2020): The DynamoDB team recommends that you use Amazon CloudWatch Contributor Insights for Amazon DynamoDB, which is a diagnostic tool for understanding your traffic patterns and identifying frequently accessed keys. You can enable Cloud
軽ã„æ°—æŒã¡ã§LinkedListを使ã£ãŸã‚‰ä¼‘出ã™ã‚‹ç¾½ç›®ã«ãªã£ãŸè©± - Qiita
ã–ã£ãり言ã†ã¨ ãƒªã‚¹ãƒˆæ§‹é€ ã®ãƒ‡ãƒ¼ã‚¿ã«å¯¾ã—ã¦ãƒ©ãƒ³ãƒ€ãƒ アクセスã¯ã—ã¡ã‚ƒã ã‚ã ãžã€‚ãŠå…„ã•ã‚“ã¨ã®ç´„æŸã ï¼ ç™ºç«¯ æ•°å¹´å‰ã«ä»–部署ã®æ”¯æ´ã§ä½œã£ãŸJavaã®ã‚·ã‚¹ãƒ†ãƒ ã«ã€ã¡ã‚‡ã£ã¨ãƒ‡ã‚«ã‚ã®ãƒ‡ãƒ¼ã‚¿ã‚’çªã£è¾¼ã‚“ã らã‚ã‚Šãˆãªã„ã»ã©é…ã„ã®ã§åŠ©ã‘ã¦ãã‚Œã€ã¨é€£çµ¡ãŒå…¥ã£ãŸã€‚ ã¾ãクエリã¨ã‹ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã‚’ã¡ã‚‡ã£ã¨è¦‹ã‚Œã°ç›´ã‚‹ã£ã—ょ・・・ã¨é¼»ã‚’ã»ã˜ã‚ŠãªãŒã‚‰æ”¯æ´ã«å‘ã‹ã£ãŸã€‚ 処ç†å†…容 é…ã„部分ã®å‡¦ç†ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªã‚‚ã®ã§ã‚ã£ãŸã€‚ 処ç†å¯¾è±¡ã®ãƒ‡ãƒ¼ã‚¿ã‚’Listã§å—ã‘å–る。 ãれをforループã§1件ãšã¤å‰å‡¦ç†ã™ã‚‹ã€‚ 処ç†çµæžœã‚’オブジェクトã«æ ¼ç´ã—ã€ORマッパーã§DBã«INSERTã™ã‚‹ã€‚ ã“ã‚Œã ã‘？ ãã†ã€ã“ã‚Œã ã‘ã 。並列処ç†ãªã‚“ã¦é«˜ç´šãªã“ã¨ã¯ã‚‚ã¡ã‚ã‚“ã‚„ã£ã¦ãªã„。 インフラ調査 処ç†ä¸ã®ã‚µãƒ¼ãƒã®ã‚ˆã†ã™ã‚’調査ã™ã‚‹ã€‚今回ã®ã‚¤ãƒ³ãƒ•ãƒ©ã¯å…¸åž‹çš„ãª3層3サーãƒæ§‹æˆã€‚ WEBサーãƒã¯ãªã«ã‚‚ã‹ã‚‚ãŒä½™è£•ã€‚ APサーãƒã§ã¯CPUã‚’1ã¤ä½¿ã„切ã£ã¦ã„る。 14コア
Kotlin and Groovy JVM Languages with AWS Lambda | Amazon Web Services
AWS Compute Blog Kotlin and Groovy JVM Languages with AWS Lambda Juan Villa – Partner Solutions Architect When most people hear “Java†they think of Java the programming language. Java is a lot more than a programming language, it also implies a larger ecosystem including the Java Virtual Machine (JVM). Java, the programming language, is just one of the many languages that can be compiled to run o
Tuning the AWS SDK for Java to Improve Resiliency | Amazon Web Services
AWS Developer Tools Blog Tuning the AWS SDK for Java to Improve Resiliency In this blog post we will discuss why it’s important to protect your application from downstream service failures, offer advice for tuning configuration options in the SDK to fit the needs of your application, and introduce new configuration options that can help you set stricter SLAs on service calls. Service failures are
AWS News Blog
Top Announcements of the AWS Summit in New York, 2023 It’s probably no surprise that generative artificial intelligence and machine learning were the stars of the show, but there were several other bright lights from the day-long cloud conference. New Seventh-Generation General Purpose Amazon EC2 Instances (M7i-Flex and M7i) Today we are launching Amazon Elastic Compute Cloud (Amazon EC2) M7i-Flex
Kotlin 1.0 リリース: JVMã¨Androidå‘ã‘ã®å®Ÿç”¨çš„(Pragmatic)言語 | Post Blog
See discussions on Reddit and Hacker News Kotlin #ã¨ã¯? Kotlinã¯JVMã¨Androidå‘ã‘ã®ã‚ªãƒ–ジェクト指å‘ã‹ã¤é–¢æ•°åž‹ãªå®Ÿç”¨çš„(Pragmatic)言語ã§ã™ã€‚相互é‹ç”¨æ€§ã€å®‰å…¨æ€§ã€æ˜Žçžæ€§ã€ãã—ã¦ãƒ„ールサãƒãƒ¼ãƒˆã«ãƒ•ã‚©ãƒ¼ã‚«ã‚¹ã—ã¦ã„ã¾ã™ã€‚ 汎用言語ã§ã‚ã‚‹Kotlinã¯JavaãŒå‹•ä½œã™ã‚‹å ´æ‰€ã§ã‚ã‚Œã°ã‚µãƒ¼ãƒã‚µã‚¤ãƒ‰ã‚¢ãƒ—リケーションã€ãƒ¢ãƒã‚¤ãƒ«ã‚¢ãƒ—リケーション(Android)ã€ãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—アプリケーションをå«ã‚€ã©ã“ã§ã‚‚動作ã—ã¾ã™ã€‚以下ã®ãƒ¡ã‚¸ãƒ£ãƒ¼ãªãƒ„ールやサービスã«å¯¾å¿œã—ã¦ã„ã¾ã™: IntelliJ IDEAã€Android Studioã€Eclipse Mavenã€Gradleã€Ant Spring Boot (Kotlinサãƒãƒ¼ãƒˆãŒKotlin 1.0ã¨åŒæ™‚ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸ!) GitHubã€Slackã€Minecraft Kotlinã®ç„¦ç‚¹
AWS Lambda + Javaã¯ã€ãªãœ1回目ã¨3回目ã®å‡¦ç†ãŒé‡ã„ã®ã‹ï¼Ÿ - 谷本 心 in ã›ã‚部屋
以å‰ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã§ã€AWS Lambdaã§Javaを使ã£ã¦DynamoDBを呼ã³å‡ºã—ãŸéš›ã«ã€åˆå›žèµ·å‹•ã«ã¨ã¦ã‚‚時間ãŒæŽ›ã‹ã£ãŸã¨ã„ã†è©±ã‚’書ãã¾ã—ãŸã€‚ http://d.hatena.ne.jp/cero-t/20160101/1451665326 今回ã¯ã€ã“ã®è¾ºã‚Šã®åŽŸå› ã‚’ã‚‚ã†å°‘ã—追求ã—ã¦ã¿ã¾ã™ã€‚ ãªãœ1回目ã¨3回目ã®ã‚¢ã‚¯ã‚»ã‚¹ãŒé…ã„ã®ã‹ï¼Ÿ AWS Lambdaã®ä¸èº«ã¯ã‚ˆã知りã¾ã›ã‚“ãŒã€ãŠãらãã€ã‚¢ãƒƒãƒ—ãƒãƒ¼ãƒ‰ã—ãŸãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’Tomcatã¿ãŸã„ãªã‚³ãƒ³ãƒ†ãƒŠã¨ã—ã¦èµ·å‹•ã•ã›ã¦ã€å¤–部ã‹ã‚‰ã‚³ãƒ¼ãƒ«ã—ã¦ã„ã‚‹ã‚“ã ã‚ã†ã¨äºˆæƒ³ã—ã¾ã—ãŸã€‚ãã‚Œã§ã‚ã‚Œã°ã€2回目以é™ã®ã‚¢ã‚¯ã‚»ã‚¹ãŒæ—©ããªã‚‹ã“ã¨ã¯ç†è§£ãŒã§ãã¾ã™ã€‚ ãŸã ã€1回目ã¨3回目ã ã‘ãŒæ¥µç«¯ã«é…ãã¦ã€2回目ã€4回目以é™ã¯æ—©ããªã‚‹ã¨ã„ã†ã¨ã“ã‚ã¯è…‘ã«è½ã¡ã¾ã›ã‚“。 ãã®è¾ºã‚Šã‚’調ã¹ã‚‹ã¹ãã€staticãªã‚«ã‚¦ãƒ³ã‚¿ã‚’使ã£ã¦ã€å€¤ãŒã©ã‚“ãªé¢¨ã«å¤‰åŒ–ã™ã‚‹ã‹ã‚’調ã¹ã¦ã¿ã¾ã—ãŸã€‚ ã“ã‚“ãªã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã§ã™
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Since launching in 2006, Amazon Web Services has been providing industry-leading cloud capabilities and expertise that have helped customers transform industries, communities, and lives for the better. As part of Amazon, we strive to be Earth’s most customer-centric company. We work backwards from our customers’ problems to provide them with the broadest and deepest set of capabilities so they can
Frege: Hello Java · mmhelloworld
The Joy of Programming! © Marimuthu Madasamy 2024. BSD 3-Clause License module hellojava.HelloJava where data LinkedList a = native java.util.LinkedList where native add :: Mutable s (LinkedList a) -> a -> ST s Bool native get :: Mutable s (LinkedList a) -> Int -> ST s (Maybe a) throws IndexOutOfBoundsException native new :: () -> STMutable s (LinkedList a) fromFregeList :: [a] -> STMutable s (Lin
Scalaを始ã‚ã¦æ—©5å¹´ã€ä»Šä¸€åº¦å†·é™ã«Scalaã¨å‘ãåˆã£ã¦ã¿ãŸ - tehepero note(・ω<)
2015-03-11 Scalaを始ã‚ã¦æ—©5å¹´ã€ä»Šä¸€åº¦å†·é™ã«Scalaã¨å‘ãåˆã£ã¦ã¿ãŸ Scala 今年ã¯2015å¹´ã§ã€ç¤¾ä¼šäººã«ãªã£ã¦ãƒ—ãƒã‚°ãƒ©ãƒžã¨ã—ã¦ãƒ‡ãƒ“ューã—ãŸã®ãŒãƒ‡ã‚£ãƒ¼ãƒ—インパクト*1ãŒã¾ã ç¾å½¹ã ã£ãŸ2006å¹´ã§æ—©9年。ãã—ã¦è‡ªåˆ†ãŒScalaã¨ã„ã†è¨€èªžã«å‡ºä¼šã£ãŸã®ãŒ2010å¹´ãªã®ã§ã€ãªã«ã’ã«ã‚ャリアã®åŠåˆ†ãらã„ã‚’Scalaを触ã£ã¦éŽã”ã—ã¦ã‚‹ã¨ã„ã†ã“ã¨ã«ãªã‚‹ï¼ˆã‚‚ã¡ã‚ã‚“ä»–ã®è¨€èªžã‚‚ã‚„ã£ã¦ã‚‹ãŒï¼‰ã€‚ ã¨ã„ã†ã‚ã‘ã§Scalaを始ã‚ã¦5å¹´ã¨ã„ã†ã“ã¨ã§ã€ä»Šä¸€åº¦å†·é™ã«Scalaã¨å‘ãåˆã£ã¦ã¿ã‚ˆã†ã¨ã„ã†ã‚¨ãƒ³ãƒˆãƒªã§ãŸã„ã—ãŸå†…容ã§ã¯ã‚ã‚Šã¾ã›ã‚“。 （注：自分ã¯ãŸã„ã—ãŸScalaプãƒã‚°ãƒ©ãƒžã§ã¯ã‚ã‚Šã¾ã›ã‚“） ã¯ã˜ã¾ã‚Š éŽåŽ»ã‚’掘り起ã“ã›ã°ã€Scala始ã‚ãŸå®£è¨€ã‚’ã—ãŸã®ã¯ã“ã®ã‚¨ãƒ³ãƒˆãƒªã‚‰ã—ã„。ãŸã¶ã‚“twitterã§ã‚‚宣言ã—ã¦ã‚‹æ°—ãŒã™ã‚‹ã‘ã©ã€2011å¹´ãらã„ã¾ã§ã®ç™ºè¨€ã¾ã§ã—ã‹é¡ã‚Œãªã‹ã£ãŸã€‚ æ—¢ã«scalaä¸æ¯’患者ã«ãªã‚Šã‹ã‘
Psimulator2 – a graphical network simulator | Open-Source Routing and Network Simulation
Ethernet links To add links between nodes. Click on the Links tool, then click on each node that will form an endpoint of the link. You need to specify which interface to use on devices with multiple interfaces, like routers. To choose an interface, right-click on the node, then click the interface from the pop-up menu. Canvas properties As you add links, more information about the interfaces is d
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gistfile1.md ifå¼ / ifæ–‡ ã®æ¡ä»¶ç¯€ã§ã€å·¦è¾ºã«å®šæ•°ã‚’書ãã¹ã言語ã¯ã‚ã‚‹ã‹ï¼Ÿ @ajiyoshi.gist twitterã‹ã‚‰ãªãŒã‚Œã¦ããŸã“ã®è©±é¡Œã€‚昔ã®Cコンパイラã¯ã€ifæ–‡ã®æ¡ä»¶ç¯€ã§ä»£å…¥ã‚’書ã„ã¦ã‚‚æ–‡å¥ã‚’言ã‚ãªã‹ã£ãŸã®ã§ã€ã“ã®ã‚ˆã†ãªã‚³ãƒ¼ãƒ‰ã«ä½•ã®è¦å‘Šã‚‚出ãªã‹ã£ãŸã€‚ #include<stdio.h> int main() { int x = 0; /* ãŠãらãæ„図ã¨é•ã†ã€‚ x == 1 ã¨æ›¸ãã¹ãã§ã‚ã£ãŸ ã“ã‚Œã§ã¯å¸¸ã«å®Ÿè¡Œã•ã‚Œã¦ã—ã¾ã† */ if ( x = 1 ) { puts("残念"); } } 「ã“れをã“ã®ã‚ˆã†ã«æ›¸ã‘ã°ã€ã‚³ãƒ³ãƒ‘イルエラーã«ãªã‚Šã€ã‚る種ã®èª¤ã‚Šã‚’コンパイラã«è¦‹ã¤ã‘ã•ã›ã‚‹ã“ã¨ãŒã§ãã‚‹ã€ã¨ã„ã†ã®ãŒã€ã€Œè€å®³ã€ã¨ã•ã‚Œã‚‹äººã®ä¸»å¼µã§ã‚る。 /* ã“ã‚Œã¯ã‚³ãƒ³ãƒ‘イルエラーã«ãªã‚‹ */ if ( 1 = x ) { puts("残念"); } ã‚‚ã—使ã£ã¦ã„る環境ãŒã€Œã‚³ãƒ³ãƒ‘
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ã¾ãŸã¯ç§ã¯å¦‚何ã«ã—ã¦ä¾‹å¤–ã™ã‚‹ã®ã‚’æ¢ã‚㦠golang ã‚’æ„›ã™ã‚‹ã‚ˆã†ã«ãªã£ãŸã‹ — KaoriYa
Java ã® finally よりも golang ã® defer ã®ã»ã†ãŒç‹ãŒè‰¯ã•ãã†ã 〠ã¨ã„ã†ã“ã¨ã‹ã‚‰è€ƒãˆå§‹ã‚ãŸçµæžœã€ ã©ã†ã—ã¦ç§ãŒ golang ã‚’æ°—ã«å…¥ã£ãŸã®ã‹ãŒã‚ã‹ã£ãŸæ°—ãŒã—ãŸã®ã§æ›¸ã„ã¦ãŠãã¾ã™ã€‚ ファイルをオープンã—èªã¿è¾¼ã¿ãªå‡¦ç†ã§ä½•ã‹ã—ã¦çµ‚ã‚ã£ãŸã‚‰é–‰ã˜ã‚‹ã€ã¨ã„ã†é–¢æ•°ã‚’ Java 㨠golang ã§æ›¸ã比ã¹ã¦ã¿ã¾ã—ょã†ã€‚ Java ã§æ›¸ãã¨ã“ã‚“ãªæ„Ÿã˜ã§ã™ã。 public static void readFile(String fname) throws IOException { InputStream s = null; try { s = FileInputStream(fname); // // Do something with "s". // } finally { if (s != null) { s.close(); } } }
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GitHub - google/agera: Reactive Programming for Android
GitHub - Frege/frege: Frege is a Haskell for the JVM. It brings purely functional programing to the Java platform.
EnhancedListView – Swipe To Dismiss with Undo » Tim Roes
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