Home » Author Archives: Theodora Fragkouli (page 2)

Author Archives: Theodora Fragkouli

Theodora Fragkouli
Theodora has graduated from Computer Engineering and Informatics Department in the University of Patras. She also holds a Master degree in Economics from the National and Technical University of Athens. During her studies she has been involved with a large number of projects ranging from programming and software engineering to telecommunications, hardware design and analysis. She works as a junior Software Engineer in the telecommunications sector where she is mainly involved with projects based on Java and Big Data technologies.

Spring Data Couchbase 1.0 GA Released

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Spring Data Couchbase 1.0 GA release is here! The project is a part of the Spring Data project which aims to provide a familiar and consistent Spring-based programming model for new datastores while retaining store-specific features and capabilities. The Spring Data Couchbase project provides integration with the Couchbase Server database. There have been changes and improvements that led to the ...

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Java 8 : What do developers think?

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Since Java 8 releasement countdown is starting, Java developers seem certainly ready to get involved. According to a survey in Typesafe, 65% of developers who participated answered that they will be migrating to Java 8 in a 24 months plan, and from them 30% will try to migrate over the next 6 months. 73% of developers who participated are currently ...

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Apache Spark is now a top-level project

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The Apache Software Foundation (ASF) happily announced that Apache Spark has graduated from the Apache Incubator to become a Top-Level Project (TLP), signifying the project’s stability. Apache Spark is an Open Source cluster computing framework for fast and flexible large-scale data analysis. Spark has been the talk of the Big Data town for a while, and 2014 was predicted to ...

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Apache Tomcat and Denial-of-service vulnerability

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Websites hosted on Apache Tomcat servers seem to be vulnerable against denial-of-service attacks, as was recently proven by security researchers and presented in Denial-of-service vulnerability puts Apache Tomcat servers at risk. Apache Tomcat servers are widely used for hosting applications developed with the Java Servlet and the JavaServer Pages (JSP) technologies. Apache Commons FileUpload is a stand-alone library that developers ...

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Big Data: What about Security?

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From the first time Hadoop appeared it had a security problem. Apache Knox and Cloudera Manager have been solutions for providing authentication and authorization for basic database management functions. Also, the underlying Hadoop Filesystem now incorporates Unix-like permissions. But the issue has not been solved, so usually the pattern followed is to “plunk the S-word after the name of a ...

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Java 8 news

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The first release candidates of Java 8, b128 and Java 8 RC2 showed up on February, fixing a serious flaw in the new Comparator API, where its new thenComparing() method had an unnecessary type restriction. The thenComparing() method of java.util.Comparator does not require that type U extend java.lang.Comparable, since keyComparator is used to compare extracted key objects. Java 8 RC2 ...

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How to start a big data analytics project

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When starting a Big Data analytics project, time is a very important issue. It may take from a few weeks to many years, and it depends on many factors, such as understanding the requirements, choosing the right technology, the complexity of the analytics and many more. An important thing to understand is that a big data analytics solution should be ...

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Spring for Apache Hadoop 2.0 M5

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Spring has happily announced the Spring for Apache Hadoop 2.0 M5 milestone releases, while they are also getting much closer to a release candidate. In the Spring blog there is a good comparison between the new version 2.0 and the 1.0 version. According to it: 1.0 version of Spring for Apache Hadoop uses HDFS and MapReduce with either MapReduce v1 ...

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5 tools for Java developers

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A way to improve the Java code we write is to work with the best tools. So, let’s check out the 5 most used tools that IDR Solutions suggests to help Java Developers write better code. FindBugs FindBugs is an open source program, distributed under the terms of the Lesser GNU Public license and operates on Java bytecode rather than ...

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Java 8 will use Transport Level Security (TLS) 1.2 as default

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Transport Level Security (TLS) 1.2 will be set by default to the next version of standard Java, that is coming on March 18. The TLS will provide encrypted internet communications, but will not completely solve Java’s security problems, as Java’s encrypted communications no panacea for security problems explains. TLS version 1.2 will be enabled in Java Development Kit (JDK) 8. ...

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