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Spring Data Solr Tutorial: Pagination

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In the earlier parts of my Spring Data Solr tutorial, we have implemented a simple search function which is used to search the information of todo entries. The current implementation of our search function shows all search results in a single page. This is not a viable solution for most real life applications because the number of search results can ...

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Continuous Delivery – Part 6 – Backward & Forward Compatibility

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Previous Chapter: Startup – Self Test One very important mind set developers will have to adopt and practice is backward and forward compatibility. Most production system do not consist on just one server, but a cluster of servers. When deploying new piece of code, you do not deploy it to all the servers at once because part of Continuous deployment ...

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Code Reviews with Five Whys

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We are told that we should organize code reviews because code reviews good for our code base. We have followed this advice and managed to build a magnificent facade. We are doing code reviews and improving our code base. Everything is looking great from the outside and it might be true that we are making some progress. However, we are ...

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Spring Data Solr Tutorial: Sorting

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When we are implementing a word search function, we typically want to sort the search results in descending order by using the relevancy of each search result. This is also the default behaviour of Solr. However, there are situations when it makes to sense to specify the sort order manually. One such situation is an implementation of a “regular” search ...

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Spring Data Solr Tutorial: Dynamic Queries

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Solr is often referred as a search server which we can use when we are implementing full-text search functions. However, it is often wise to leverage the performance of Solr when we are implementing a search function which takes its input from a search form. In this scenario, the executed search query depends from the received input. This means that ...

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Spring JPA Data + Hibernate + MySQL + Maven

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Development of web-applications with the help of Spring MVC implies creation of several logical layers of architecture. One of the layers is a DAO (Repository) layer. It is responsible for communication with a database. If you developed the DAO layer at least once, you should know that it involves a lot of boilerplate code. A Spring Data take a part ...

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Deploying BroadleafCommerce 2.0 on JBoss AS 7

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First 2 steps are not really related to Broadleaf specific, but mentioned to make it easy to follow(copy/paste) the steps.                   Step#1: Configure DataSources in JBoss AS. <datasource jta="true" jndi-name="java:jboss/datasources/BroadleafDS" pool-name="BroadleafDS_Pool" enabled="true" use-java-context="true" use-ccm="true"> <connection-url>jdbc:mysql://localhost:3306/broadleaf</connection-url> <driver>mysql</driver> <security> <user-name>root</user-name> <password>admin</password> </security> <timeout> <idle-timeout-minutes>0</idle-timeout-minutes> <query-timeout>600</query-timeout> </timeout> </datasource> <datasource jta="true" jndi-name="java:jboss/datasources/BroadleafSecureDS" pool-name="BroadleafSecureDS_Pool" enabled="true" use-java-context="true" use-ccm="true"> ...

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Spring Integration key notes with real life scenarios

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This post will summarize Spring Integration (SI) important key notes together with messaging Integration patterns. For each key note I will add a real life example based on my experience. Splitter a. What it does? The Splitter is actually a pattern which receives one message in one point and split it into several. b. Why is it good for me? The Splitter can be used ...

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Monitoring and detecting memory leaks in your java application

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So your application is running out of memory, you’re spending days and nights analyzing your application hoping to catch the memory holes in your objects. The next steps will explain how to monitor and detect your memory leaks to make sure your app is on the safe side. 1. Memory leak suspicion If you have a suspicion there is a memory leak a convenient way to make sure ...

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