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Getting all names in an enum as a String[]
...<?>> e) {
return Arrays.toString(e.getEnumConstants()).replaceAll("^.|.$", "").split(", ");
}
That you would call like this:
String[] names = getNames(State.class); // any other enum class will work
If you just want something simple for a hard-coded enum class:
public static Strin...
What are all the different ways to create an object in Java?
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So actually only 2 ways exist: calling constructor (using new, clone() or reflection) and deserialization that does not invoke constructor.
– AlexR
Feb 24 '11 at 12:32
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Pro JavaScript programmer interview questions (with answers) [closed]
What are good questions to determine if applicant is really a pro JavaScript (browser side) developer ?
8 Answers
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SQLiteDatabase.query method
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tableColumns
null for all columns as in SELECT * FROM ...
new String[] { "column1", "column2", ... } for specific columns as in SELECT column1, column2 FROM ... - you can also put complex expressions here:
new String[] { "(SELECT max(column1) FROM...
Difference between maven scope compile and provided for JAR packaging
... scope, used if none is specified. Compile
dependencies are available in all classpaths of a project.
Furthermore, those dependencies are propagated to dependent projects.
provided
This is much like compile, but indicates you expect the JDK or a
container to provide the dependency at ru...
Execute unit tests serially (rather than in parallel)
...nit test a WCF host management engine that I have written. The engine basically creates ServiceHost instances on the fly based on configuration. This allows us to dynamically reconfigure which services are available without having to bring all of them down and restart them whenever a new service is ...
Hide all but $(this) via :not in jQuery selector
...d, if you're clicking something within the table to try and get it to hide all the table rows EXCLUDING the row containing the item you clicked, use: $('tr').not($(this).closest('tr')).hide();
– Jimbo
Jan 18 '13 at 12:54
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How to get number of rows using SqlDataReader in C#
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There are only two options:
Find out by reading all rows (and then you might as well store them)
run a specialized SELECT COUNT(*) query beforehand.
Going twice through the DataReader loop is really expensive, you would have to re-execute the query.
And (thanks to Pete ...
How can I exclude some folders from my Eclipse project?
...re is a way to exclude some directories from being picked up by eclipse at all? The reason is that we have a huge "third-party" directory in our repository that cannot be present in the project for the pair-programming plugin we are using to be able to sync efficiently.
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Check whether an array is a subset of another
... @Bul Ikana Working of this code is simple, extension method internally calls the Equals and GetHashCode of the overridden object class methods if there's no IEqualityComparer provided for the job.
– Mrinal Kamboj
Oct 20 '15 at 7:21
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