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The Latest Data Engineering Topics

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Preventative Maintenance for PuppetDB: node-purge-ttl
If you run Puppet then maintaining your PuppetDB is important. See how to keep it running smoothly and keep it performing well.
March 24, 2017
by Nick Walker
· 6,827 Views · 1 Like
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Java Streams groupingBy Examples
Learn how to perform SQL-like grouping and summarizing calculations on Java Collections using CSV data, POJOs, and multiple fields.
March 24, 2017
by Jay Sridhar
· 136,936 Views · 38 Likes
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Display SQL to Console in Spring JdbcTemplate
If you want more visibility for your queries, consider using Spring and a few annotations to work with logs to display original queries or updated parameters.
March 24, 2017
by Daniel Portilla
· 61,483 Views · 5 Likes
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Spring Data JPA With an Embedded Database and Spring Boot
You can use Spring Data JPA to persist data to an embedded H2 database with RESTful web services and some helpful Spring annotations.
Updated March 23, 2017
by Gaurav Rai Mazra
· 96,901 Views · 12 Likes
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Microservices With Continuous Delivery Using Docker and Jenkins
We link Docker containers with each other to enable communication between them or to be sure that all of the tools and microservices are running on the same machine.
March 22, 2017
by Piotr Mińkowski
· 36,398 Views · 20 Likes
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Using SQS With Celery
Using SQS and Celery together, you can process a million requests automatically by scaling back-end processors and perform database maintenance with zero downtime.
March 21, 2017
by Sobha Duvvuri
· 31,734 Views · 4 Likes
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The Programmer's Way to Convert Excel to CSV (With UTF-8)
Excel provides a way to save spreadsheets as a CSV file, but it seems to fail at handling UTF-8 characters. See how a real programmer deals with the problem.
March 20, 2017
by Jay Sridhar
· 96,304 Views · 21 Likes
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RESTful SNMP Over HTTP: Part II
Learn about the GET and SET operations in terms of attempting SNMP with RESTful mapping, along with some HATEOAS tips and tricks.
Updated March 20, 2017
by Marco Bresciani
· 14,373 Views · 3 Likes
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Works on My Machine
Admit it: We've all used the line, ''Well, it works on MY machine.'' It's best to avoid those moments — for the sake of your team and your code.
March 20, 2017
by Dave Nicolette
· 14,715 Views · 14 Likes
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How to Build a Word Cloud With R
When building word clouds with R, it's most important to set random.order to false so that the words with the highest frequency are plotted first.
March 20, 2017
by Jitendra Bafna
· 29,411 Views · 3 Likes
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7 Prerequisites for Successful Enterprise CD Implementation
CD is a natural evolution from CI and Agile software development practices. However, the cultural and operational challenges to achieving it are much greater.
March 19, 2017
by Cyrille Le Clerc
· 8,077 Views · 1 Like
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Message Enricher With Mulesoft
Message enricher works by sending a copy of the original message into the processor and then eventually moving the enriched message forward.
March 18, 2017
by Jitendra Bafna
· 24,285 Views · 4 Likes
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Column Store Database Benchmarks: MariaDB ColumnStore vs. ClickHouse vs. Apache Spark
An in-depth comparison looking at the query performance of MariaDB ColumnStore, ClickHouse, and Apache Spark.
March 18, 2017
by Alexander Rubin
· 12,459 Views · 2 Likes
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Pros and Cons of DockerHub, Amazon EC2, and JFrog Artifactory
DockerHub, Amazon EC2, and JFrog Artifactory: Which is king of the container castle? Each have their ups and downs, so see what works for you.
March 17, 2017
by Manisha Verma
· 13,155 Views · 2 Likes
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RESTful SNMP Over HTTP: Part I
This solution provides human-friendly content when operated by a human user, and more structured and well-defined content when operated by a software agent.
March 17, 2017
by Marco Bresciani
· 28,345 Views · 16 Likes
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Reactive Clean Architecture With Vert.x
Clean Architecture gives a clear No! to mixing frameworks and business rules. But that doesn't mean we have to resign from all cool technologies. We just have to adapt.
March 17, 2017
by Grzegorz Ziemoński
· 26,083 Views · 21 Likes
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SQL or NoSQL, That Is The Question!
It's not about SQL vs. NoSQL, but rather when to use each option. This guide walks through the benefits of relational and non-relational databases as well as use cases.
March 16, 2017
by Alon Brody
· 16,728 Views · 21 Likes
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Using RabbitMQ in Cluster
Clustering and high availability configuration with RabbitMQ are pretty simple. Its UI management console offers good s support in the cluster monitoring process.
Updated March 16, 2017
by Piotr Mińkowski
· 39,192 Views · 10 Likes
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Java HashMap Search and Sort
A HashMap has plenty of uses, so let's see how you can find keys and values, load data from a CSV file into one, and use it for sorting.
March 16, 2017
by Jay Sridhar
· 83,976 Views · 27 Likes
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Connecting to MS SQL Server With Mulesoft
Mulesoft provides a wide range of connectors. The MS SQL server can be used with Mulesoft to query data from a table, insert data into a table, and more.
March 16, 2017
by Jitendra Bafna
· 46,924 Views · 5 Likes
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