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What is
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super in Generics is the opposite of extends. Instead of saying the comparable's generic type has to be a subclass of T, it is saying it has to be a superclass of T. The distinction is important because extends tells you what you can get out of a class (y...
What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
...ception:
Thrown when an application tries to
load in a class through its string
name using:
The forName method in class Class.
The findSystemClass method in class ClassLoader.
The loadClass method in class ClassLoader.
but no definition for the class with
the specified...
How and why do I set up a C# build machine? [closed]
I'm working with a small (4 person) development team on a C# project. I've proposed setting up a build machine which will do nightly builds and tests of the project, because I understand that this is a Good Thing. Trouble is, we don't have a whole lot of budget here, so I have to justify the expen...
C++ Singleton design pattern
...into a realization/implementation of the Singleton design pattern for C++. It has looked like this (I have adopted it from the real life example):
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javac is not recognized as an internal or external command, operable program or batch file [closed]
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TL;DR
For experienced readers:
Find the Java path; it looks like this: C:\Program Files\Java\jdkxxxx\bin\
Start-menu search for "environment variable" to open the options dialog.
Examine PATH. Remove old Java paths.
Add the new Java path to PATH.
Edit JAVA_HOME.
Close and re-...
How can I cast int to enum?
...e foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags] attribute
if (!Enum.IsDefined(typeof(YourEnum), foo) && !foo.ToString().Contains(","))
{
throw new InvalidOperationException($"{yourString} is not an underlying value of the YourEnum enumeration.")
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Best way to define private methods for a class in Objective-C
...gramming Objective-C and, having a background in Java, wonder how people writing Objective-C programs deal with private methods.
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How to determine if a number is a prime with regex?
... If we have the match, then return the negation of that. This corresponds with the fact that zero and one are NOT prime.
(..+?)\\1+
The second part of the regex is a little trickier, relying on groups and backreferences. A group is anything in parentheses, which will then be captured and stored b...
SimpleTest vs PHPunit
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This question is quite dated but as it is still getting traffic and answers I though I state my point here again even so I already did it on some other (newer) questions.
I'm really really baffled that SimpleTest still is considered an alternat...
Delete multiple records using REST
What is the REST-ful way of deleting multiple items?
5 Answers
5
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