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The Latest Data Engineering Topics

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SAP Java Secure Storage
Learn how to keep cyberattackers at bay, and keep yuor SAP Java Secure Storage safe by reading along with this great article.
June 12, 2017
by Alexander Polyakov
· 9,387 Views · 3 Likes
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Django vs. SQLAlchemy: Which Python ORM Is Better?
Every developer's use case is different, and Django or SQLAlchemy may be better suited for you based on your specific situation.
Updated June 12, 2017
by Tomer Shay (Shimshi)
· 23,658 Views · 8 Likes
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Identifying Duplicate Files in AWS S3 With Apache Spark
Using Spark, you can identify duplicate files in your S3 storage by calculating checksums. It's a quick, easy way to ensure you aren't carrying extra weight.
June 12, 2017
by Nikhil Bhide
· 17,216 Views · 9 Likes
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Securing Spring Data REST With PreAuthorize
In this post we take a look at how to secure a Spring Data REST using Spring Security and Spring Boot. Come find out how straight forward this is!
June 11, 2017
by Martin Farrell
· 62,565 Views · 5 Likes
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Creating an Email Bot in Apache NiFi
Some people say that I must have a bot to read and reply to emails at all crazy hours of the day — some type of awesome email assistant. Well, I decided to prototype it.
June 10, 2017
by Tim Spann DZone Core CORE
· 8,586 Views · 3 Likes
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Reducers, Transducers, and core.async in Clojure
This deep dive into Clojure's reducers, transducers and core.async is not for the faint of heart. Get to know how and when to use these tools for abstraction.
June 10, 2017
by Eli Bendersky
· 12,452 Views · 6 Likes
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Query Parameters and Path Parameters in Undertow
Take a look at how to use query and path parameters in Undertow. In addition to some examples, there are some best practices to keep in mind as well.
June 9, 2017
by Bill O'Neil
· 16,424 Views · 5 Likes
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Apache Solr Memory Tuning for Production
This article will show you how to make good estimations so that you can match JVM heap size and Solr memory requirement.
June 9, 2017
by Michael Sun
· 25,839 Views · 3 Likes
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Feeding Server Timing API from ASP.NET Core
The latest addition to ASP.NET Core's performance metrics APIs is the Server Timing API. We take a look at how to make use of these metrics in your ASP.NET Core web app!
June 9, 2017
by Tomasz Pęczek
· 8,360 Views · 3 Likes
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Validating JAX-RS Query Parameters
This quick and simple guide will walk you through the steps to validate JAX-RS query parameters using filters, including their creation and enforcement.
June 8, 2017
by Abhishek Gupta DZone Core CORE
· 24,788 Views · 3 Likes
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Entity Framework: new() vs. DbSet.Create()
In Entity, the new and DbSet.Create methods have similar goals with different behaviors. See when to use which one when instantiating new entities.
June 8, 2017
by Tomasz Pęczek
· 11,240 Views · 2 Likes
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Apache Spark: Reading CSV Using Custom Timestamp Format
Here's the solution to a timestamp format issue that occurs when reading CSV in Spark for both Spark versions 2.0.1 or newer and for Spark versions 2.0.0 or older.
June 7, 2017
by Jyotsna Karan
· 28,978 Views · 1 Like
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Exposing Microservices Over REST Protocol Buffers
Protocol Buffers are a high-performance alternative to text-based protocols like XML or JSON. Adapting them to a Spring Boot application is easy with these steps.
June 7, 2017
by Piotr Mińkowski
· 25,817 Views · 11 Likes
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JUnit Testing for Solr 6
Want to test your Solr queries with JUnit? This guide will help you set up your dependencies and create and implement your tests.
June 7, 2017
by Upul Kamburawala
· 19,593 Views · 3 Likes
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Mastering the Couchbase N1QL Shell: Scripting
Previously, we saw how to interact with the N1QL Rest API and issue prepared statements. With this article, let's dive a little deeper into scripting with the N1QL shell.
June 7, 2017
by Isha Kandaswamy
· 5,291 Views · 2 Likes
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10 Quick Dataweave Functions
This quick reference collects many Dataweave functions for MuleSoft in one place, like reversing strings and flattening and trimming a payload.
June 6, 2017
by Satheesh Kumar
· 84,675 Views · 9 Likes
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Unit Testing: The Myth of Complete Isolation
The notion that unit tests should be performed in complete isolation is a myth. We should use isolation to our advantage, wherever it makes our tests more manageable.
June 6, 2017
by Grzegorz Ziemoński
· 15,915 Views · 12 Likes
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Merge Databases With Different Schema and Duplicate Entries
Removing duplicate entries from merged database tables can be anything but routine — and the source of performance woes.
June 6, 2017
by Darren Perucci
· 11,785 Views · 2 Likes
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What's Wrong With Hashcode in java.lang.String?
This overview of strings and hashcode covers how hashcode works, how collisions happen, and the danger of improperly using strings as keys.
June 6, 2017
by Artem Rukavytsia
· 59,680 Views · 35 Likes
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Using Python to Store Data From Many BLE Devices
We take a look at how to collect and store data from several BLE devices, a necessary issue to deal with considering the built-in limitations of BLE networking.
June 6, 2017
by Erich Styger
· 24,262 Views · 1 Like
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