Blog
mongodb
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How to Create an Apollo, React, and Express application
Creating your first React, Express, and Apollo (GraphQL) application can be a serious challenge, and while there are tools like Create Apollo App that simplify generation of a boilerplate project with these technologies, it’s best to have a clear…
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Storing polymorphic objects with ReactiveMongo and Play
ReactiveMongo is an extremely convenient toolkit for working with MongoDB in Scala applications. But, at the same time, its documentation does not cover some of the typical scenarios, so sometimes it takes time to find the right solution.…
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How to build a simple MongoDB DAO in Scala using SalatDAO
Usually a data access object for MongoDB consists of common routine CRUD methods. Those methods should be implemented, tested, maintained just like any other code. In this post, I’m going to show you how to use SalatDAO to vastly…
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MongoDB java driver. The custom builder for update operations.
Java driver for MongoDB does not provide any utility classes that could help with building update queries. If you want to create a query to update or increment field values, you usually have to use BasicDBObjectBuilder. This…
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Creating secure Grails application powered by MongoDB
There is some twist to use more specific data storage engines than RDBMS. The mongodb is a modern feature-rich non-RDBMS database. It can be used with grails quite well, though some special care should be taken. In…
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Fixing support of replica set by Grails mongo plugin
If you are going to use mongodb for production grails application you might stuck with the issue that replica set is really not supported by current version 1.0.0.M1 of mongodb plugin. It is quite surprising because mongo…
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