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How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]
... create a jar file from java compiled class files. but I not found command or file, How to create a jar file (like eclipse java archive export)
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What exactly is an HTTP Entity?
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An HTTP entity is the majority of an HTTP request or response, consisting of some of the headers and the body, if present. It seems to be the entire request or response without the request or status line (although only certain header fields are cons...
What is the meaning and difference between subject, user and principal?
In the context of security frameworks, a few terms commonly occur subject , user and principal , of which I have not been able to find a clear definition and the difference between them.
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What is the most effective way for float and double comparison?
What would be the most efficient way to compare two double or two float values?
31 Answers
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Boolean vs boolean in Java
...e discussions around Integer vs int in Java. The default value of the former is null while in the latter it's 0 . How about Boolean vs boolean ?
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Exploring Docker container's file system
... with docker that I need to understand what's happening inside a container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application.
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Return type of '?:' (ternary conditional operator)
... have a type and - as it's known in the latest C++ standard - a value category.
A conditional expression can be an lvalue or an rvalue. This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues and prvalues.)
In very broad and simple terms, an lvalue refers...
IllegalArgumentException or NullPointerException for a null parameter? [closed]
I have a simple setter method for a property and null is not appropriate for this particular property. I have always been torn in this situation: should I throw an IllegalArgumentException , or a NullPointerException ? From the javadocs, both seem appropriate. Is there some kind of an understood...
What does enumerable mean?
I was directed to MDN's for..in page when it said, "for..in Iterates over the enumerable properties of an object."
8 Answ...
Android Location Providers - GPS or Network Provider?
... Requires the permission android.permission.ACCESS_FINE_LOCATION.
network –> (AGPS, CellID, WiFi MACID): Name of the network
location provider. This provider determines location based on
availability of cell tower and WiFi access points. Results are
retrieved by means of a network lo...