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The devs of DashBouquet have used MongoDB, Cassandra, Elasticsearch, and Couchbase and have outlined their thoughts in an infographic.

March 24, 2017

by Anton Shaleynikov

· 19,480 Views · 20 Likes

URL Encoding and Decoding Using Java

If you find yourself encoding and decoding URLs often, take a look at how to do it in Java while staying on alert in case you need multiple iterations.

March 24, 2017

by Anurag Jain

· 216,465 Views · 19 Likes

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

· 135,672 Views · 38 Likes

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

· 59,211 Views · 5 Likes

Distributed Scheduling and Servicing in Java

Schedulers are great for task execution, but they're tough to scale horizontally. Let's use Hazelcast's IMaps, Akka, and CRON expressions to make a more scalable system.

March 22, 2017

by Sutanu Dalui

· 29,975 Views · 12 Likes

Self Signed HTTPS Certificate [Video]

Follow along with this video tutorial to learn how to create a self-signed HTTPS certificate for your API using a GUI in ten minutes.

March 21, 2017

by Harish Kumar

· 5,588 Views · 3 Likes

Immutables in Java

This in-depth look at mutability examines the pros and cons of using immutable classes as well as how to protect your mutability.

March 21, 2017

by Marcus Biel

· 33,036 Views · 54 Likes

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

· 13,688 Views · 3 Likes

The Difference Between Currying and Partially Applied Functions

Currying and partially applying may seem the same — both turn your functions into ones with fewer arguments. But there's a difference between them.

March 20, 2017

by Alexey Zvolinskiy

· 17,611 Views · 11 Likes

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

CORE

· 28,804 Views · 3 Likes

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

· 11,106 Views · 2 Likes

Descriptive Analysis With SAS

Different descriptive analysis techniques with SAS include PROC MEANS, PROC ANOVA, PROC FREQ, PROC UNIVARIATE, and PROC CORR.

Updated March 17, 2017

by Jitendra Bafna

CORE

· 21,152 Views · 4 Likes

How to Convert SoapUI XML to JMeter JMX

If you would like to convert your SoapUI XML files into JMX format in order to run your test in JMeter, it’s easy to do.

March 17, 2017

by Noga Cohen

· 11,982 Views · 1 Like

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

· 26,684 Views · 16 Likes

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

· 15,575 Views · 21 Likes

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

· 81,271 Views · 26 Likes

Dealing With Java's LocalDateTime in JPA

Trying to persist Java 8 LocalDateTime with JPA can produce surprising results. To prevent this, we need a special converter present on the classpath.

March 16, 2017

by MD Sayem Ahmed

· 86,247 Views · 25 Likes

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

CORE

· 44,288 Views · 5 Likes

Java Inside Docker: What You Must Know to Not FAIL

If you've tried Java in containers, particularly Docker, you might have encountered some problems with the JVM and heap size. Here's how to fix it.

March 16, 2017

by Rafael Benevides

· 43,813 Views · 73 Likes

K-Means Clustering With SAS

K-means clustering partitions observations into clusters in which each observation belongs to the cluster with the nearest mean.

March 15, 2017

by Jitendra Bafna

CORE

· 32,401 Views · 2 Likes

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