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秋葉原ã€å®šç•ªãƒ©ãƒ¼ãƒ¡ãƒ³20é¸
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Resilience and Reliability on AWS
Read it now on the O’Reilly learning platform with a 10-day free trial. O’Reilly members get unlimited access to books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers. Cloud services are just as susceptible to network outages as any other platform. This concise book shows you how to prepare for potentially devastating interruptions by building your o
AmazonRDSã§slow queryを出力ã™ã‚‹ã‚ˆã†ã«ã™ã‚‹æ–¹æ³•
AmazonRDSã¯ã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®è¨å®šã§ã¯slow queryを出力ã™ã‚‹ã‚ˆã†ã«ãªã£ã¦ã„ãªã„。 ã¾ãŸã€MySQLãŒå‹•ã„ã¦ã„るサーãƒã«ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ã“ã¨ãŒã§ããªã„ã®ã§ã€slow queryã‚’ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«å‡ºåŠ›ã—ãŸã¨ã—ã¦ã‚‚ãれを閲覧ã™ã‚‹è¡“ãŒãªã„。 RDSã§ã‚‚採用ã•ã‚Œã¦ã„ã‚‹MySQL 5.1ã‹ã‚‰ã¯ã€slow queryをテーブルã«ä¿å˜ã§ãるよã†ã«ãªã£ãŸã®ã§ã€ãれを使ã†ã€‚ æ–¹é‡ ãƒã‚°ã¯ãƒ†ãƒ¼ãƒ–ル(mysql.slow_log)ã«å‡ºåŠ›ã™ã‚‹ã€‚ 実行ã«1秒以上ã‹ã‹ã£ãŸã‚¯ã‚¨ãƒªã‚’記録ã™ã‚‹ 100行以上をèªã¿è¾¼ã‚“ã クエリを記録ã™ã‚‹ 普通ãªã‚‰ä»¥ä¸‹ã®ã‚ªãƒ—ションをmy.cnfã«è¨å®šã™ã‚Œã°OK。 [mysqld] slow_query_log = ON long_query_time = 1.000 log_output = TABLE min_examined_row_limit=100 RDSã®å ´åˆã¯ã€db-param
Spring WebApplicationInitializer and programmatic support for web.xml file
Spring WebApplicationInitializer and programmatic support for web.xml file Servlet 3.0 provides a programmatic way to specify and configure the contents of a web.xml file. A servlet 3.0 based web application can implement a ServletContainerInitializer interface, which is explicitly passed a ServletContext which is a runtime representation of the container, to be used for configuring the servlets,
git-flow + maven-release-plugin用ã®æ‰‹é †
git-flow-with-maven-release-plugin.rst git-flow + maven-release-plugin用ã®æ‰‹é † å‰æ プãƒã‚¸ã‚§ã‚¯ãƒˆã®ãƒ«ãƒ¼ãƒˆPOMã«ä»¥ä¸‹ã®è¨å®šãŒæ›¸ã‹ã‚Œã¦ã„ã‚‹å¿…è¦ãŒã‚る。 SCMæƒ…å ±ã®è¨å®š <scm> <connection>scm:git:git@yourhost.com/your-project.git</connection> <developerConnection>scm:git:git@yourhost.com/your-project.git</developerConnection> </scm> maven-release-pluginã®è¨å®š Mavenã®ãƒªãƒªãƒ¼ã‚¹å‡¦ç†ã‚’リモートã«pushã—ãªã„よã†ã«ä»¥ä¸‹ã®è¨å®šã‚’è¿½åŠ ã€‚ <plugin> <groupId>org.apache.maven.plugins</groupId>
Simple Gradle Web Application
Gradle easily supports Java web applications through the “war†and “jetty†plugins. This tutorial will show you how to quickly make a simple Java Servlet web application. Our basic project structure will be: basic-web src main java com codetutr HelloWorldServlet.java webapp WEB-INF web.xmlFirst, create a folder called basic-web, and then let’s create the Gradle build file inside the folder: build.
Gradleã¨Eclipseを使ã†å ´åˆã®Tipsã‚’ã„ãã¤ã‹ç´¹ä»‹ - wadahiroã®æ—¥è¨˜
ã¾ãŸã¾ãŸGradleãƒã‚¿ã§ã™ã€‚Gradleãªã©ã®ãƒ„ールã§ãƒ“ルドã—ã¤ã¤ã‚‚普段ã®é–‹ç™ºã‚„ユニットテストã¯IDEã§è¡Œã†ã¨ã„ã†ã®ã¯ã‚ˆãã‚る話。Gradleã§ã¯IDE開発をサãƒãƒ¼ãƒˆã™ã‚‹ãƒ—ラグインも用æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ Eclipse Plugin IDEA Plugin 今回ã¯ã“ã®ã†ã¡Eclipse Pluginã«é–¢ã—ã¦ã„ãã¤ã‹Tipsを紹介。 Eclipse Pluginを使ã†ã¨ä½•ãŒã§ãる？ プãƒã‚¸ã‚§ã‚¯ãƒˆã‹ã‚‰Eclipseã®å„種è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’自動生æˆã™ã‚‹ã“ã¨ãŒã§ãる。Mavenã§è¨€ã†ã¨ã“ã‚ã®Maven Eclipse Pluginã¨åŒã˜ã‚ˆã†ãªç‰©ã€‚ Eclipseã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆæƒ…å ±ã§ã‚ã‚‹.projectファイルやã€ã‚¯ãƒ©ã‚¹ãƒ‘スを定義ã—ãŸ.classpathを生æˆã™ã‚‹ã“ã¨ãŒã§ãる。 ã“ã®æ™‚ã€Gradleã§å®šç¾©ã—ãŸä¾å˜é–¢ä¿‚も解決ã—ã¦ãれるã®ã§ã€Mavenã¿ãŸã„ã«JARを自動ã§ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦Eclipseã®ã‚¯
Functors, Applicatives, And Monads In Pictures - adit.io
Written April 17, 2013 updated: May 20, 2013 Here's a simple value: And we know how to apply a function to this value: Simple enough. Lets extend this by saying that any value can be in a context. For now you can think of a context as a box that you can put a value in: Now when you apply a function to this value, you'll get different results depending on the context. This is the idea that Functors
Gradle入門 - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? 追記1: コメントã§ã®æŒ‡æ‘˜ã‚’å—ã‘ã€gvmã«é–¢ã™ã‚‹è¨˜è¿°ã‚’削除 ã“ã®è¨˜äº‹ã¯ã€æ—¥çµŒã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ 2013å¹´ 06æœˆå· 04/24発売 ã®ã‚¹ãƒ†ãƒžè¨˜äº‹ã§ã™ã€‚ 6月å·ã«ã€@keiji_ariyama(å‰åº§éƒ¨åˆ†æ‹…当) 㨠僕(Gradle概è¦æ‹…当) 㨠@sys1yagi(Android対応部分担当) ã¨ã„ã†åˆ†æ‹…ã§Gradle入門的ãªè¨˜äº‹ã‚’書ãã¾ã—ãŸã€‚ ã§ã™ãŒã€åƒ•ã®ç›®çš„ã¨ã—ã¦ã¯ãƒˆãƒƒãƒ—ゲート社員ã¸ã®å¸ƒæ•™ã‚’主目的ã¨è€ƒãˆã¦æ›¸ã„ãŸãŸã‚ã€æœ¬æ¥è¦æ±‚ã•ã‚Œã¦ã„る分é‡ã‚’(ã‚ã–ã¨)大幅ã«ã‚ªãƒ¼ãƒãƒ¼ã—ã¦æ›¸ã„ã¦ã„ã¾ã—ãŸã€‚雑誌ã«æŽ²è¼‰ã•ã‚Œãªã‹ã£ãŸæº¢ã‚Œåˆ†ã‚’ãƒãƒƒãƒˆã§å…¬é–‹ã—ã¦è‰¯ã„ã‹æ‰“診
About Resources
A resource is a statement of configuration policy that: Describes the desired state for a configuration itemDeclares the steps needed to bring that item to the desired stateSpecifies a resource type—such as package, template, or serviceLists additional details (also known as resource properties), as necessaryAre grouped into recipes, which describe working configurationsResource SyntaxA resource i
Chefã§Sourceã‹ã‚‰ä½•ã‹ã‚’インストールã™ã‚‹Cookbookã®ã‚¦ã‚©ãƒ¼ã‚¯ã‚¹ãƒ«ãƒ¼ - Qiita
ã“ã®è¨˜äº‹ã¯æœ€çµ‚æ›´æ–°ã‹ã‚‰1年以上経éŽã—ã¦ã„ã¾ã™ã€‚ æ°—ã‚’ã¤ã‘ã¦ã。 Chefã®ãƒ¬ã‚·ãƒ”ã§ã‚½ãƒ¼ã‚¹ã‹ã‚‰ä½•ã‹ã‚’makeã—ã¦installã‚’ã™ã‚‹ã‚„ã‚Šæ–¹ã¯ã€å€‹äººã«ã‚ˆã£ã¦ã¾ã¡ã¾ã¡ã‹ã¨æ€ã„ã¾ã™ã€‚ ç§ã¯ã“ã‚“ãªæ„Ÿã˜ã§ã‚„ã£ã¦ã„ã¾ã™ã€‚ æ¦‚è¦ Joyent SmartOSã«irdサーãƒãƒ‡ãƒ¼ãƒ¢ãƒ³ã®ngircdをインストールã—ã¦ã€ã‚µãƒ¼ãƒ“スã¨ã—ã¦èµ·å‹•ã—ã¾ã™ã€‚ ã“ã®Cookbookã¯Githubã«å…¬é–‹ã—ã¦ã„ã¾ã™ã€‚ higanworks-cookbooks/ngircd_smartos(v0.1.1) 追記：続編ã§ãã¾ã—ãŸï¼ [LWRPã«ã‚ˆã‚‹]続・Chefã§Sourceã‹ã‚‰ä½•ã‹ã‚’インストールã™ã‚‹Cookbookã®ã‚¦ã‚©ãƒ¼ã‚¯ã‚¹ãƒ«ãƒ¼ レシピã®ã–ã£ãり解説 ãƒãƒ¼ã‚«ãƒ«ã«ç›®çš„ã®ãƒ•ã‚¡ã‚¤ãƒ«ãŒç„¡ã‹ã£ãŸã‚‰å–ã£ã¦ãã‚‹ ファイルをå–ã£ã¦ããŸã‚‰make & installã€ãƒãƒ¼ã‚«ãƒ«ãŒã‚ã‚Œã°ä½•ã‚‚ã—ãªã„ サービス登録 サービススタート attributes
Uninstalling Vagrant | Vagrant | HashiCorp Developer
To uninstall Vagrant, you can either uninstall the Vagrant binary, the user data, or both. The two sections below detail how to uninstall Vagrant on any platform. Remove the Vagrant programWhen you remove the Vagrant program, it will remove the vagrant binary and all dependencies from your machine. It will not remove user data. The next section provides more details on how to remove that directory
knife-solo v0.3.0ã®rake installã§abortedã™ã‚‹å ´åˆ - F.Ko-Jiã®ã€Œä¸€ç§’後ã¯æœªæ¥ã€
「入門Chef Solo – Infrastructure as Code [Kindle版]ã€ã‚’èªã¿ã¤ã¤ knife-solo ã® 0.3.0 をインストールã—よã†ã¨ã—ãŸã‚‰ rake aborted! ã«ãªã£ã¦ã—ã¾ã£ãŸã€‚ $ git clone git://github.com/matschaffer/knife-solo.git $ cd knife-solo $ rake install rake aborted! ERROR: While executing gem ... (Gem::InvalidSpecificationException) ["lib/knife-solo/resources/patch_cookbooks/chef-solo-search/.travis.yml", "lib/knife-solo/resources/patch_cookbooks/che
knife-solo v0.3.0ã®install方法 - rochefort's blog
ã“ã¡ã‚‰ã®æœ¬ã‚’見ãªãŒã‚‰ã€vagrantã€chefã«å…¥é–€ä¸ã€‚ 入門Chef Solo - Infrastructure as Code - é”人出版会 knife-soloã®install v0.3.0ã®install方法ã§ã™ãŒ 本書ã§ã¯ git clone git://github.com/matschaffer/knife-solo.git cd knife-solo rake install ã¨è¨˜è¼‰ã•ã‚Œã¦ã„ã¾ã™ãŒ gem i knife-solo --pre ã§ã‚‚OKã§ã™ã。 ãŠã¾ã‘ ruby2.0ã§knife-soloã®json1.6.1ãŒinstallã§ããšã«1時間ã»ã©ã¯ã¾ã£ã¦ã„ãŸã®ã§ã™ãŒ gem update --system ã§rubygemã‚’updateã™ã‚Œã°å…¥ã‚Šã¾ã—ãŸã€‚
AWS: Javaã®DNSã‚ャッシュ ( TTL )ã«ã¤ã„㦠- aws memo
AWSã®ã‚µãƒ¼ãƒ“スã§ã¯DNSを用ã„ã¦å¯ç”¨æ€§ã‚’å‘上ã™ã‚‹ä»•çµ„ã¿ã‚’用ã„ã¦ã„る。 å„種APIã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆ RDSã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆ ELBã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆ ElastiCacheã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆ CloudSearchã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆ Redshiftã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆ ãªã©ãªã©ã€‚AWSãŒæä¾›ã™ã‚‹ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆã®FQDNã‚’ã€è‡ªåˆ†ã®ã‚¢ãƒ—リケーションã‹ã‚‰å‚ç…§ã™ã‚‹ã‚ˆã†ã«è¨å®šã—ãŸã‚Šã€ä¸€æ—¦DNSã§CNAMEè¨å®šã™ã‚‹ã“ã¨ã‚‚多ã„。 ãŸã ã—ã€ã“れらã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆFQDNã§è¨å®šã•ã‚Œã¦ã„ã‚‹IPアドレスã¯ã€é‹ç”¨ä¸ã«å¤‰æ›´ã•ã‚Œã‚‹å¯èƒ½æ€§ãŒã‚る（ノード障害ã€ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼ç‰ã«ã‚ˆã‚‹IPアドレス変更ã€ã‚¹ã‚±ãƒ¼ãƒªãƒ³ã‚°ã«ã‚ˆã‚‹IPアドレス増減ã€ç‰ï¼‰ã€‚ãã®ãŸã‚ã€ã‚¢ãƒ—リケーションå´ã¯ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆã®IPアドレス変更ã«è¿½éšã™ã‚‹å¿…è¦ãŒã‚る。（追éšã—ãªã„ã¨ã€å¤ã„IPアドレスã«ã‚¢ã‚¯ã‚»ã‚¹è©¦è¡Œã—ã¤ã¥ã‘ã¦ã€çµæžœã¨ã—ã¦ã‚·ã‚¹ãƒ†ãƒ 障害ã«ãªã£ã¦ã—ã¾ã†ï¼‰ ã“ã“ã§å•
Javaã§ã•ãã•ãWebアプリ開発 - ã—ã‚“ã•ã‚“ã®å‡ºå¼µæ‰€ ã¯ã¦ãªãƒ–ãƒã‚°ç·¨
ã‹ãªã‚Šä¹…々ã®æŠ€è¡“エントリ。 é‹ç”¨ã¯ãŠå …ã„é‡ã„サーãƒãƒ¼ã‚’使ã£ãŸã¨ã—ã¦ã‚‚開発ã¯è»½ã„ã»ã†ãŒã„ã„。当ãŸã‚Šå‰ã§ã™ã。 ã¨ã„ã†ã‚ã‘ã§ã•ãã•ã開発ã™ã‚‹æ–¹æ³•ã‚’書ã„ã¦ã¿ã‚‹ã€‚DIコンテナã¯CDIã‚„Guiceã€Springãªã©å¥½ããªã‚‚ã®ã§ã‚ˆã„ãŒã€ä»Šå›žã¯çœã。軽ã„ã“ã¨ã‚‚ã‚ã£ã¦é–‹ç™ºä¸ã¯Guiceを使ã†ã“ã¨ã‚’ãŠå‹§ã‚ã—ãŸã„。注入ã¯@Injectを使ã†ãŸã‚ã€é–‹ç™ºä¸ã¨é‹ç”¨ä¸ã§ã‚³ãƒ¼ãƒ‰ãŒå¤‰ã‚ã‚‹ã£ã¦ã®ã¯å°‘ãªã„ã¯ãšã 。 ã¾ãšã¯JAX-RS ã¾ãšã€ã‚¢ã‚¯ã‚·ãƒ§ãƒ³ãƒ™ãƒ¼ã‚¹ã®Webアプリã¯JAX-RSを使ã†ã“ã¨ã€‚ã“ã‚ŒãŒåŸºæœ¬ã€‚サーブレットAPIを使ã‚ãšã«é–‹ç™ºã™ã‚‹ã“ã¨ã«ã¤ã„ã¦ã¯ä»Šã¾ã§ã‚‚書ã„ã¦ããŸã€‚サーブレットAPIを触らãªã„ã“ã¨ã«ã‚ˆã‚Šé–‹ç™ºåŠ¹çŽ‡ã¨ãƒ†ã‚¹ãƒˆã®ã—ã‚„ã™ã•ã‚’両立ã§ãる。 ã“ã‚“ãªæ„Ÿã˜ã€‚ @Path("/") public class Hoge { @GET @Path("add/{a}/{b}") public Response add(@Pa
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Stash on Docker - Atlassian Blogs
http://techblog.hilife-jp.info/2012/07/gradle-windows-sts/
Twilioを利用ã—ãŸæŠ•ç¥¨ã‚·ã‚¹ãƒ†ãƒ - Twilio for KDDI Web Communications
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