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How can I count the number of matches for a regex?
...r Java 9+
long matches = matcher.results().count();
Solution for Java 8 and older
You'll have to do the following. (Starting from Java 9, there is a nicer solution)
int count = 0;
while (matcher.find())
count++;
Btw, matcher.groupCount() is something completely different.
Complete exampl...
Why does the lock object have to be static?
... a private static readonly object for locking in multi threading.
I understand that private reduces the entry points to the locking object by tightening the encapsulation and therefore access to the most essential.
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How to pull remote branch from somebody else's repo
...ich somebody has forked. On their fork, they've created a new branch "foo" and made some changes. How do I pull their "foo" into a new branch also named "foo" in my repo?
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Android: alternate layout xml for landscape mode
How can I have one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways.
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What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
There are tons of questions and answers about Git versus TFVC Source Control, but no current answers cover the integration of Git into Team Foundation Server/Service that I can find.
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What components are MVC in JSF MVC framework?
In JSF MVC framework who is Model, View, and Controller?
4 Answers
4
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Git push to wrong branch
Working with git, after some 'commit', and a couple of 'push', I realized that am using the wrong branch !
3 Answers
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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
...ted entity in question isn't in the current entity. E.g. you have a Person and an Address. You'd like to add insertable=false, updatable=false to the @OneToMany relationship with the Person entity in the Address entity, simply because it's not the responsibility of the Address entity to create or up...
How to use ArgumentCaptor for stubbing?
In Mockito documentation and javadocs it says
3 Answers
3
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How to use ArrayAdapter
I have created row.xml in layouts, but don't know how to show both reason and long_val in the ListView using ArrayAdapter.
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