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Operator overloading : member function vs. non-member function?
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A common way to avoid making your non-member operators require friend is to implement them in terms of the operation-assignment operators (which will almost certainly be public members). For example, you could define T T::operator+=(const T &a...
Preserve line endings
... files in binary mode, thus not requesting this special processing and considering lines to end at a line feed.`
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Do we still need end slashes in HTML5?
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img tags are Void Elements so they do not need an end tag.
Void elements
area, base, br, col, command, embed, hr, img, input, keygen, link, meta, param, source, track, wbr
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Void elements only have a start tag; end tags must n...
How to check whether an object has certain method/property?
...s the expected method (or property).
public interface IMyInterface
{
void Somemethod();
}
IMyInterface x = anyObject as IMyInterface;
if( x != null )
{
x.Somemethod();
}
I think this is the only correct way.
The thing you're referring to is duck-typing, which is useful in scenarios where...
Is 161803398 A 'Special' Number? Inside of Math.Random()
...ator (instead of some magical property of phi).
– David Eisenstat
May 15 '14 at 21:09
7
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Rails: confused about syntax for passing locals to partials
... the only way to figure these things out are to a.) have a hunch like you did and b.) view the source code. I have no idea how to drill down the source though... sorry
– sethvargo
Dec 9 '10 at 20:13
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When should use Readonly and Get only properties
... with only a getter makes your property read-only for any code that is outside the class.
You can however change the value using methods provided by your class :
public class FuelConsumption {
private double fuel;
public double Fuel
{
get { return this.fuel; }
}
public ...
Maven project.build.directory
...classes</outputDirectory>
<finalName>${project.artifactId}-${project.version}</finalName>
<testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>
<sourceDirectory>${project.basedir}/src/main/java</sourceDirecto...
Coding Katas for practicing the refactoring of legacy code
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+1 very interesting suggestion. Like you said, the tricky thing is finding an appropriate project. I'll give this one a lot of consideration. Perhaps if I, or others, find some that are very useful it could be saved and documented somewhere as a Kata...
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How can I create a correlation matrix in R?
..., y=seq(dim(y)[2]), z=COR, xlab="x column", ylab="y column")
text(expand.grid(x=seq(dim(x)[2]), y=seq(dim(y)[2])), labels=round(c(COR),2))
Edit:
Here is an example of custom row and column labels on a correlation matrix calculated with a single matrix:
png("corplot.png", width=5, height=5, units="...