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How to tell Jackson to ignore a field during serialization if its value is null?

java jackson asked Aug 1, 2012 at 10:40

stackoverflow.com

355 votes

How to show Git log history (i.e., all the related commits) for a sub directory of a Git repository

git asked May 2, 2013 at 16:58

stackoverflow.com

280 votes

Class JavaLaunchHelper is implemented in both ... libinstrument.dylib. One of the two will be used. Which one is undefined

java eclipse osx jvm jvm-hotspot asked Sep 13, 2013 at 20:19

stackoverflow.com

274 votes

ERROR: there is no unique constraint matching given keys for referenced table "bar"

sql postgresql foreign-keys unique-constraint asked Aug 15, 2012 at 8:48

stackoverflow.com

215 votes

What is the meaning and difference between subject, user and principal?

java security spring-security terminology web-security asked Feb 14, 2011 at 5:22

stackoverflow.com

147 votes

What is javax.inject.Named annotation supposed to be used for?

java spring dependency-injection java-ee-6 asked Mar 24, 2011 at 5:46

stackoverflow.com

135 votes

When to use gradle.properties vs. settings.gradle?

java gradle build build-system asked Jul 29, 2017 at 10:08

stackoverflow.com

111 votes

What does :: do in PostgreSQL?

postgresql syntax types casting typecast-operator asked Mar 21, 2013 at 1:06

stackoverflow.com

100 votes

What is referencedColumnName used for in JPA?

hibernate jpa orm eclipselink openjpa asked Jun 28, 2012 at 12:23

stackoverflow.com

94 votes

Understanding the groovy syntax in a gradle task definition

groovy gradle asked Dec 20, 2014 at 21:23

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Top Answers

283

What to return if Spring MVC controller method doesn't return value?

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110

How do HashTables deal with collisions?

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Spring MVC: difference between <context:component-scan> and <annotation-driven /> tags?

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How to eliminate the "maven-enforcer-plugin (goal "enforce") is ignored by m2e" warning by eclipse?

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What is the responsibility of a JMS broker in the JMS Eco system?

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What is the Maven way for automatic project versions when doing continuous delivery?

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JPA vs Spring JdbcTemplate

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Hibernate: rundown on how @GeneratedValue works

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RestTemplate and Cookie

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Why does Zipping the same content twice gives two files with different SHA1?

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How to execute the JAXB compiler from ANT

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Triggers versus JPA Event

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Ant: How to execute a command for each file in directory?

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Eclipse - changing font size in project/package explorer

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Using a workflow engine, state machine engine or rolling my own?

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Why is @Validated required for validating Spring controller request parameters?

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Spring-Security: Call method after authentication

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How to use Bitbucket as a maven remote repository?

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Migrating multiple schemas with distinct life-cycle using Flyway and Spring Boot

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Possible root causes include a too low setting for -Xss and illegal cyclic inheritance dependencies

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Spring Security Authentication using RestTemplate

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JPA Pessimistic Lock attempt never times out

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Why isn't Java used for modern web application development?

softwareengineering.stackexchange.com

java.util.UUID.fromString not checking length

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Access JMX from inside JVM

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How to configure Postgres + Spring + Quartz?

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Hibernate : schema export in real world?

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How to draw JMS queue?

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How to use transaction-scoped persistence context for non-transactional reading query?

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How to access PostgreSQL pg_log folder without being the postgres user and running into permission issues?

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