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Installed Softwares Git for windows 64 bit Java 7 & 8 64 bit apache maven 3.3.3 Intellij Idea IDE npm GitSmart* Git 安装Git很顺利。Git既可以当做git bash用,可以作为一般的 阅读全文
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asm的引用冲突 1. Jersey & Storm 0.9.3 jersey 1.8 (which depends on asm 3.0) Storm 0.93 (which depends on asm 4.0) When runs in JDK7 and excludes storm#asm, 阅读全文
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Tasks & executors relation Q1. However I'm a bit confused by the concept of "task". Is a task an running instance of the component(spout or bolt) ? An 阅读全文
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Introduction Apache Torque is an object-relational mapper for java. In other words, Torque lets you access and manipulate data in a relational databas 阅读全文
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Introduction DdlUtils is a small, easy-to-use component for working with Database Definition (DDL) files. These are XML files that contain the definit 阅读全文
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Introduction What's JDBC JDBC stands for Java Database Connectivity, which is a standard Java API for database-independent connectivity between the Ja 阅读全文
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Apache Curator Framework url: http://curator.apache.org/curator-framework/ The Curator Framework is a high-level API that greatly simplifies using Zoo 阅读全文
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SSL vs TLS vs STARTTLS There's often quite a bit of confusion around the different terms SSL, TLS and STARTTLS. SSL and TLS both provide a way to encr 阅读全文
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Maven super POM defines some properties. Three ways to find it ${M2_HOME}/lib/maven-model-builder-3.0.3.jar. Nevigate to org/apache/maven/model Maven 阅读全文
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定义 同其他服务器应用一样,tomcat安装了各种classloader(classes that implement java.lang.ClassLoader) Bootstrap: contains the basic runtime classes provided by the Java 阅读全文