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How to Remove Key Value Pairs or Entries from HashMap [Snippet]
Let's take a look at how to remove entries from a map in Java, complete with examples.
Updated December 20, 2018
by Ramesh Fadatare
· 84,560 Views · 5 Likes
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Speed Up Development with Docker Compose
Create environments that can be quickly deployed on other machines using Docker Compose.
December 20, 2018
by Gunter Rotsaert DZone Core CORE
· 21,251 Views · 3 Likes
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Java: Aggregate Data Off-Heap
Explore how to create off-heap aggregations with a minimum of garbage collect impact and maximum memory utilization.
December 19, 2018
by Per-Åke Minborg
· 14,255 Views · 7 Likes
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Simple Pagination Example With Spring Data and Thymeleaf
Need help with pagination?
December 19, 2018
by Oguzhan Dogan
· 56,485 Views · 3 Likes
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Resilience4j and Sentinel: Two Open-Source Alternatives to Netflix Hystrix
We take a look at a few open source alternatives to the now deprecated Hystrix microservices tool.
December 19, 2018
by Leona Zhang
· 20,685 Views · 10 Likes
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How to Limit the Number of Concurrent Active User Sessions Using Spring Security
Use Spring Security to limit the number of concurrent user sessions in your Java apps.
December 19, 2018
by Javin Paul
· 37,331 Views · 8 Likes
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Java Eclipse Code Refactoring Shortcuts and Tips
Time to get more productive when writing Java code using Eclipse!
December 18, 2018
by Ramesh Fadatare
· 50,127 Views · 23 Likes
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Angular Libraries and Microservices
Check out how to implement microservices on the front-end with client-side UI patterns and Angular libraries.
December 18, 2018
by Antonio Goncalves
· 39,094 Views · 4 Likes
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How to Use Elasticsearch With a Spring Data Elasticsearch Project
If you're new to Elasticsearch or need a refresher, read on to learn how to integrate this popular open source searching tool into your application.
December 18, 2018
by Rajesh Bhojwani
· 103,887 Views · 6 Likes
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Mixins Via Kotlin Delegation
Mixins can be handy in creating more readable, maintainable code.
December 18, 2018
by Steve Gertiser
· 34,285 Views · 7 Likes
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Atrous Convolutions and U-Net Architectures for Deep Learning: A Brief History
Every once in a while, a new tool is developed that is so much more effective than what was previously available that it spreads through people like a wild fire.
Updated December 18, 2018
by Kevin Vu
· 12,931 Views · 1 Like
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Java 8 Streams API: Laziness and Performance Optimization
Learn more about the most important property of Java 8 Streams — laziness.
Updated December 17, 2018
by Amit Phaltankar
· 45,646 Views · 6 Likes
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React vs. Angular vs. Vue.js [Infographic]
What to use and when.
December 17, 2018
by Anton Shaleynikov
· 25,764 Views · 14 Likes
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Generic Search in MongoDB With Java
There is no need to put a Service Class for every collection — one method could do that!
December 17, 2018
by Anis Hajri
· 19,071 Views · 2 Likes
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Asymmetric JCE Cryptography API Using RSA Algorithm in Mule 4
See how to encrypt and decrypt stream, byte[], or string using the Asymmetric JCE Cryptography module in Mule 4 taking an API as the reference implementation.
December 17, 2018
by Sudeshna Mitra
· 20,670 Views · 4 Likes
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Domain-Driven Design in JavaScript
Let DDD bring order to your JavaScript chaos.
December 14, 2018
by Ewan Valentine
· 26,930 Views · 12 Likes
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Integrating Jaeger and Zipkin Tracers Into Instana
With the release of Instana’s Jaeger Tracing integration, you can have all Jaeger traced applications send their data to Instana instead of the Jaeger backend.
December 14, 2018
by Fabian Lange
· 20,717 Views · 1 Like
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Important Java Keywords That You Must Know
Check out the most important keywords in Java!
December 14, 2018
by Rinu Gour
· 19,090 Views · 9 Likes
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Migrating Spring Boot Applications to the Latest Java Version (Java 11)
Need help migrating your Spring Boot apps over to Java 11?
December 13, 2018
by Akhil Raj
· 170,506 Views · 24 Likes
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Perform Actions Using JavaScript in Python Selenium WebDriver
Let's take a look at a few different ways to execute JavaScript statements through Python Selenium WebDriver.
December 13, 2018
by Arunkumar Velusamy
· 172,948 Views · 3 Likes
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