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SQL select join: is it possible to prefix all columns as 'prefix.*'?
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I see two possible situations here. First, you want to know if there is a SQL standard for this, that you can use in general regardless of the database. No, there is not. Second, you want to know with regard to a specific dbms product. Then you need to identify it. But I imagi...
Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
In Jackson, when you annotate a constructor with @JsonCreator , you must annotate its arguments with @JsonProperty . So this constructor
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HTTPS with Visual Studio's built-in ASP.NET Development Server
Is there a way to access Visual Studio's built-in ASP.NET Development Server over HTTPS?
4 Answers
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Is there a limit to the length of a GET request? [duplicate]
Is there a limit to the length of a GET request?
6 Answers
6
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Is there an easy way to attach source in Eclipse?
...uld be yes.
You can attach source using the properties for a project.
Go to Properties (for the Project) -> Java Build Path -> Libraries
Select the Library you want to attach source/javadoc for and then expand it, you'll see a list like so:
Source Attachment: (none)
Javadoc location: (none...
Maven does not find JUnit tests to run
...st it does not run any tests (under TESTs header says There are no tests to run. ).
29 Answers
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Cannot create an NSPersistentStoreCoordinator with a nil model
...ng error when running my code on my device, but it works fine on the simulator..
27 Answers
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PostgreSQL: Show tables in PostgreSQL
What's the equivalent to show tables (from MySQL) in PostgreSQL?
24 Answers
24
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How to call methods dynamically based on their name? [duplicate]
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What you want to do is called dynamic dispatch. It’s very easy in Ruby, just use public_send:
method_name = 'foobar'
obj.public_send(method_name) if obj.respond_to? method_name
If the method is private/protected, use send instead, but...
Preferred Java way to ping an HTTP URL for availability
I need a monitor class that regularly checks whether a given HTTP URL is available. I can take care of the "regularly" part using the Spring TaskExecutor abstraction, so that's not the topic here. The question is: What is the preferred way to ping a URL in java?
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