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Mockito: Stubbing Methods That Return Type With Bounded Wild-Cards
... that I made it slightly more generic, because my error wasn't caused by a java.util.List, but the com.google.common.base.Optional. My little helper method therefore allows for any type T and not just List<T>:
public static <T> Answer<T> createAnswer(final T value) {
Answer<...
Does application.yml support environment variables?
...override parameters, but does that also work for env variables? Ex.: nohup java -Xmx1024m -jar -Dspring.profiles.active="whatever". Is there a way to do that with env vars?
– Igor Donin
Feb 15 '19 at 12:06
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SonarQube Exclude a directory
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Try something like this:
sonar.exclusions=src/java/test/**
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Java : How to determine the correct charset encoding of a stream
With reference to the following thread:
Java App : Unable to read iso-8859-1 encoded file correctly
15 Answers
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Maven project.build.directory
...utDirectory>
<sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
<scriptSourceDirectory>src/main/scripts</scriptSourceDirectory>
<testSourceDirectory>${project.basedir}/src/test/java</testSourceDirectory>
<reso...
Explain the use of a bit vector for determining if all characters are unique
...ks to this data structure for different languages/platforms:
CPP: BitSet
Java: BitSet
C#: BitVector32 and BitArray
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Java logical operator short-circuiting
...d so you can skip evaluating the rest of the expressions.
You indicate to Java that you want short-circuiting by using && instead of & and || instead of |. The first set in your post is short-circuiting.
Note that this is more than an attempt at saving a few CPU cycles: in expressions ...
How to format a number 0..9 to display with 2 digits (it's NOT a date)
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You can use:
String.format("%02d", myNumber)
See also the javadocs
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Byte order mark screws up file reading in Java
I'm trying to read CSV files using Java. Some of the files may have a byte order mark in the beginning, but not all. When present, the byte order gets read along with the rest of the first line, thus causing problems with string compares.
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Limit a stream by a predicate
Is there a Java 8 stream operation that limits a (potentially infinite) Stream until the first element fails to match a predicate?
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