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Top Questions
879
votes
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
stackoverflow.com
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Top Answers
283
What to return if Spring MVC controller method doesn't return value?
stackoverflow.com
110
How do HashTables deal with collisions?
stackoverflow.com
85
Spring MVC: difference between <context:component-scan> and <annotation-driven /> tags?
stackoverflow.com
56
How to eliminate the "maven-enforcer-plugin (goal "enforce") is ignored by m2e" warning by eclipse?
stackoverflow.com
54
What is the responsibility of a JMS broker in the JMS Eco system?
stackoverflow.com
47
What is the Maven way for automatic project versions when doing continuous delivery?
stackoverflow.com
46
JPA vs Spring JdbcTemplate
stackoverflow.com
25
Hibernate: rundown on how @GeneratedValue works
stackoverflow.com
25
RestTemplate and Cookie
stackoverflow.com
21
Why does Zipping the same content twice gives two files with different SHA1?
stackoverflow.com
20
How to execute the JAXB compiler from ANT
stackoverflow.com
20
Triggers versus JPA Event
stackoverflow.com
19
Ant: How to execute a command for each file in directory?
stackoverflow.com
18
Eclipse - changing font size in project/package explorer
stackoverflow.com
18
Using a workflow engine, state machine engine or rolling my own?
stackoverflow.com
17
Why is @Validated required for validating Spring controller request parameters?
stackoverflow.com
16
Spring-Security: Call method after authentication
stackoverflow.com
15
How to use Bitbucket as a maven remote repository?
stackoverflow.com
14
Migrating multiple schemas with distinct life-cycle using Flyway and Spring Boot
stackoverflow.com
14
Possible root causes include a too low setting for -Xss and illegal cyclic inheritance dependencies
stackoverflow.com
13
Spring Security Authentication using RestTemplate
stackoverflow.com
12
JPA Pessimistic Lock attempt never times out
stackoverflow.com
12
Why isn't Java used for modern web application development?
softwareengineering.stackexchange.com
12
java.util.UUID.fromString not checking length
stackoverflow.com
10
Access JMX from inside JVM
stackoverflow.com
10
How to configure Postgres + Spring + Quartz?
stackoverflow.com
9
Hibernate : schema export in real world?
stackoverflow.com
9
How to draw JMS queue?
stackoverflow.com
9
How to use transaction-scoped persistence context for non-transactional reading query?
stackoverflow.com
8
How to access PostgreSQL pg_log folder without being the postgres user and running into permission issues?
stackoverflow.com
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