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All About Overriding in Java
If you want to ensure you're overriding the right way, take a look at this guide, which dives into the various means at your disposal and some pitfalls to watch out for.
April 11, 2017
by Madhusudana Singana
· 48,443 Views · 13 Likes
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How to Create a Responsive, Filterable Portfolio
Want to know how to apply filters to that online portfolio you've been developing? Read on to learn how to use HTML, CSS, JavaScript, and Bootstrap do it!
April 11, 2017
by Hayk Yaghubyan
· 21,361 Views · 3 Likes
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FileInputStream / FileOutputStream Considered Harmful
Your FileInputStream and FileOutputstreams might introduce long GC pauses. Fortunately, Java 7's 'files.new' additions can help with your I/O efficiency.
April 10, 2017
by Stephen Connolly
· 40,399 Views · 41 Likes
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Dealing With MySQL Error Code 1215: ''Cannot Add Foreign Key Constraint''
Good old error 1215 is common enough, but MySQL doesn't give you the reason behind it. Fortunately, there are literally a dozen ways to dig deeper,
April 10, 2017
by Marcos Albe
· 98,059 Views · 5 Likes
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Making Spring Web Services With Scala
Together, Spring and Scala can create simple, scalable, secure, robust web services that should be at home in the JVM ecosystem.
April 8, 2017
by Praneeth Ramesh
· 54,673 Views · 13 Likes
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Java Hashcode and Equals Deep Dive
All about clean code principles in Java, focusing on Hashcode and Equals methods.
Updated April 6, 2017
by Marcus Biel
· 41,556 Views · 18 Likes
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Java Comparable Interface in Five Minutes
Part of Marcus Biel's Java 8 course focused on clean code principles, here is a tutorial on what the Java Comparable Interface is and how it's used.
Updated April 6, 2017
by Marcus Biel
· 141,030 Views · 33 Likes
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MySQL: The Problem With Synthetic Primary Keys
MySQL manages primary keys as clustered indexes. That means you're looking a performance hit with some synthetic primary keys. Here's when to avoid them.
April 6, 2017
by Keith Gregory
· 7,779 Views
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Brute Forcing HS256 Is Possible: The Importance of Using Strong Keys in Signing JWTs
In this article, we go over what exactly a JSON Web Token is, how they can be cracked using brute force, and the best way to avoid this security issue.
April 6, 2017
by Prosper Otemuyiwa
· 14,620 Views · 1 Like
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How to Use Custom Filters in SQL Compare
Custom filters in Redgate's SQL Compare give you more control over the visibility of your tables and the objects stored inside them.
April 5, 2017
by Steve Jones
· 5,613 Views · 1 Like
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Object Identity and Equality in Java
This quick tutorial shows you how to compare IDs and values using both the equals operator and the equals() method.
Updated April 4, 2017
by Marcus Biel
· 47,612 Views · 17 Likes
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Shallow vs. Deep Copy in Java
Take a look at this in-depth explanation of the differences and uses for Shallow and Deep copies in Java.
Updated April 4, 2017
by Marcus Biel
· 212,578 Views · 25 Likes
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Scala Ad Hoc Polymorphism Explained
Scala supports several types of polymorphism. Ad hoc is perhaps the most versatile, letting you augment your types based on a given situation.
April 4, 2017
by Tomer Ben David
· 27,007 Views · 9 Likes
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AWS Lambda: Programatically Create a Python ‘Hello World’ Function
In this post we take a look at how to quickly create a Python function using AWS Lambda, including their configurations and uploading them to the service.
April 4, 2017
by Mark Needham
· 18,594 Views · 4 Likes
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Java Platform and Java Community Process Overview
In this article, let's embark on a brief explanation of the Java platform and the community process that is responsible for evolving it.
April 4, 2017
by Bruno Krebs
· 14,581 Views · 14 Likes
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JWT (JSON Web Tokens) Are Better Than Session Cookies
In this article, we take a look at the JSON Web Tokens (JWT), what advantages they hold, and how they constitute an improvement over older authentication systems.
April 3, 2017
by Raju Raghuwanshi
· 68,869 Views · 40 Likes
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How Java’s Built-In Garbage Collection Will Make Your Life Better (Most of the Time)
Garbage collection can be tricky business, but this guide will help you fully reap the benefits of memory management in Java.
April 3, 2017
by Kirk Pepperdine
· 16,909 Views · 23 Likes
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Word Count With Spark and Scala
See how exactly you can utilize Scala with Spark together in order to solve the problems that often occurs with word counts.
April 2, 2017
by Emmanouil Gkatziouras DZone Core CORE
· 152,137 Views · 7 Likes
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A Guide to Java's SimpleDateFormat
Formatting dates is always a challenge, but Java's SimpleDataFormat class has plenty of options (and a few pitfalls) that can take the frustration out of dates.
Updated April 2, 2017
by Jay Sridhar
· 172,189 Views · 15 Likes
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Encrypting and Authenticating MQTT Traffic With NGINX Plus
In addition to load balancing, NGINX Plus can help offload authentication and encryption duties, particularly along the TLS front.
April 2, 2017
by Liam Crilly
· 10,537 Views · 4 Likes
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