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What data type to use for money in Java? [closed]
What data type should you use for money in Java?
11 Answers
11
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Usage of protocols as array types and function parameters in swift
I want to create a class that can store objects conforming to a certain protocol. The objects should be stored in a typed array. According to the Swift documentation protocols can be used as types:
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How to detect orientation change?
...
Here's how I got it working:
In AppDelegate.swift inside the didFinishLaunchingWithOptions function I put:
NotificationCenter.default.addObserver(self, selector: #selector(AppDelegate.rotated), name: UIDevice.orientationDidChangeNotification, ...
How do I use Assert to verify that an exception has been thrown?
...
For "Visual Studio Team Test" it appears you apply the ExpectedException attribute to the test's method.
Sample from the documentation here: A Unit Testing Walkthrough with Visual Studio Team Test
[TestMethod]
[ExpectedExcep...
What methods of ‘clearfix’ can I use?
...rfix does have useful applications but it has also been used as a hack. Before you use a clearfix perhaps these modern css solutions can be useful:
css flexbox
css grid
Modern Clearfix Solutions
Container with overflow: auto;
The simplest way to clear floated elements is using the style ov...
Split a module across several files
...hink the key here is to make use of pub use, which will allow you to re-export identifiers from other modules. There is precedent for this in Rust's std::io crate where some types from sub-modules are re-exported for use in std::io.
Edit (2019-08-25): the following part of the answer was written...
What are Scala context and view bounds?
...he typical syntax is this:
def f[A <% B](a: A) = a.bMethod
In other words, A should have an implicit conversion to B available, so that one can call B methods on an object of type A. The most common usage of view bounds in the standard library (before Scala 2.8.0, anyway), is with Ordered, lik...
Get all unique values in a JavaScript array (remove duplicates)
...ke sure are unique. I found the code snippet below on the internet and it works great until the array has a zero in it. I found this other script here on Stack Overflow that looks almost exactly like it, but it doesn't fail.
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Makefile, header dependencies
...re using a GNU compiler, the compiler can assemble a list of dependencies for you. Makefile fragment:
depend: .depend
.depend: $(SRCS)
rm -f ./.depend
$(CC) $(CFLAGS) -MM $^ -MF ./.depend;
include .depend
or
depend: .depend
.depend: $(SRCS)
rm -f ./.depend
$(C...
How to convert a negative number to positive?
...;>> -n # if you know n is negative
42
>>> abs(n) # for any n
42
Don't forget to check the docs.
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