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Reflection generic get field value
...}
}
return null;
}
Also be aware that when your class inherits from another class, you need to recursively determine the Field. for instance, to fetch all Fields of a given class;
for (Class<?> c = someClass; c != null; c = c.getSuperclass())
{
Field[] fields = c.g...
Undo a Git merge that hasn't been pushed yet
...he "one prior the merge" will be the most recent commit that was merged in from the other branch -- it won't be the most recent commit on the current branch. Right? (This might just be a result of what git log chooses to show by default -- maybe there is a different output of git log or git reflog c...
Why would one use nested classes in C++?
... Node as other people may decide to use the class and that would hinder me from updating my class as anything exposed is part of the public API and must be maintained forever. By making the class private, I not only hide the implementation I am also saying this is mine and I may change it at any tim...
Difference between repository and service?
... to data/objects. It is a way of decoupling the way you store data/objects from the rest of the application.
A service supplies coordination or other "services" that are required to operate your application. They are very different in that Services don't typically know how to access data from persi...
Should I impose a maximum length on passwords?
...imposing a minimum length on passwords makes a lot of sense (to save users from themselves), but my bank has a requirement that passwords are between 6 and 8 characters long, and I started wondering...
...
Correct way to close nested streams and writers in Java [duplicate]
... mask an exception we might really care about.
The finally tries to close from the outside of any decorated stream first, so if you had a BufferedWriter wrapping a FileWriter, we try to close the BuffereredWriter first, and if that fails, still try to close the FileWriter itself. (Note that the def...
How to start working with GTest and CMake
... @weberc2 You have to run make test to run the tests, or run ctest from the build directory. Run ctest -V to see the google test output as well as the ctest output.
– Patrick
Jul 21 '16 at 20:15
...
PostgreSQL: Which Datatype should be used for Currency?
...it doesn't.
For a more official source, read this thread in pgsql-general (from just this week!), with statements from core developers including D'Arcy J.M. Cain (original author of the money type) and Tom Lane:
Related answer (and comments!) about improvements in recent releases:
Jasper Report: un...
Why would I ever use push_back instead of emplace_back?
... constructors are supposed to be safe. If you can implicitly construct a U from a T, you are saying that U can hold all of the information in T with no loss. It is safe in pretty much any situation to pass a T and no one will mind if you make it a U instead. A good example of an implicit constructor...
#ifdef in C#
...ibute!
Update: 3.5 years later
You can use #if like this (example copied from MSDN):
// preprocessor_if.cs
#define DEBUG
#define VC_V7
using System;
public class MyClass
{
static void Main()
{
#if (DEBUG && !VC_V7)
Console.WriteLine("DEBUG is defined");
#elif (!DEBUG &am...