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How do I POST JSON data with cURL?
... to test my Spring REST application with cURL. I wrote my POST code at the Java side. However, I want to test it with cURL. I am trying to post a JSON data. Example data is like this:
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Constructors vs Factory Methods [closed]
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You need to read (if you have access to) Effective Java 2 Item 1: Consider static factory methods instead of constructors.
Static factory methods advantages:
They have names.
They are not required to create a new object each time they are invoked.
They can return an object...
“Invalid signature file” when attempting to run a .jar
My java program is packaged in a jar file and makes use of an external jar library, bouncy castle . My code compiles fine, but running the jar leads to the following error:
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Why isn't String.Empty a constant?
... deleting it, this content is reproduced directly:
In .NET, (unlike in Java) string and String are exactly the same. And yes, you can have string literal constants in .NET – DrJokepu Feb 3 '09 at 16:57
Are you saying that a Class cannot have constants? – StingyJack Feb 3 '09 at 16:58
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asynchronous vs non-blocking
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Putting this question in the context of NIO and NIO.2 in java 7, async IO is one step more advanced than non-blocking.
With java NIO non-blocking calls, one would set all channels (SocketChannel, ServerSocketChannel, FileChannel, etc) as such by calling AbstractSelectableChannel.co...
Can't Find Theme.AppCompat.Light for New Android ActionBar Support
...ion.
Added APL as a build dependency for MP:
Going into "Properties > Java Build Path" of MP, and then
Selecting the "Projects" tab and adding APL.
In the properties of MP, under "Android", added a reference to APL under library.
1 and 2 got the references to Java classes working fine...howe...
What is tail call optimization?
...rantee in the spec that any implementation must provide this optimization (JavaScript does also, starting with ES6), so here are two examples of the factorial function in Scheme:
(define (fact x)
(if (= x 0) 1
(* x (fact (- x 1)))))
(define (fact x)
(define (fact-tail x accum)
(if (=...
Semantic Diff Utilities [closed]
...d "Structure Compare", and it's very nice. Here is a sample screenshot for Java, followed by another for an XML file:
(Note the minus and plus icons on methods in the upper pane.)
share
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improv...
Python name mangling
...inside the objects recklessly.
However, it is not so simple. For example, Java classes do have a lot attributes and getters that just get the values and setters that just set the values. You need, let us say, seven lines of code to declare a single attribute - which a Python programmer would say is...
How do I get IntelliJ IDEA to display directories?
I've been trying out IntelliJ IDEA for JavaScript editing, and I like it so far, but I'm having a small problem with a new project.
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