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How to check if object has any properties in JavaScript?
...f (ad.hasOwnProperty(prop)) {
// handle prop as required
}
}
It is important to use the hasOwnProperty() method, to determine whether the object has the specified property as a direct property, and not inherited from the object's prototype chain.
Edit
From the comments: You can put t...
.gitignore and “The following untracked working tree files would be overwritten by checkout”
So I added a folder to my .gitignore file.
29 Answers
29
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Default value to a parameter while passing by reference in C++
Is it possible to give a default value to a parameter of a function while we are passing the parameter by reference. in C++
...
How to output in CLI during execution of PHP Unit tests?
When running a PHPUnit test, I would like to be able to dump output so I can debug one or two things.
17 Answers
...
Could not find any resources appropriate for the specified culture or the neutral culture
...
I just hit this same exception in a WPF project. The issue occurred within an assembly that we recently moved to another namespace (ProblemAssembly.Support to ProblemAssembly.Controls). The exception was happening when trying to ac...
Removing duplicate rows in Notepad++
Is it possible to remove duplicated rows in Notepad++, leaving only a single occurrence of a line?
12 Answers
...
Why doesn't JavaScript support multithreading?
Is it a deliberate design decision or a problem with our current day browsers which will be rectified in the coming versions?
...
class
...nt self object (which inside a class or module body is the class or module itself). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
obj.to_s
end
end
end
String.value_of 42 # => "42"
This can also be written...
Why are C# interface methods not declared abstract or virtual?
C# methods in interfaces are declared without using the virtual keyword, and overridden in the derived class without using the override keyword.
...
Why there is no ForEach extension method on IEnumerable?
...s the job most of the time.
I'd hate to see the following:
list.ForEach( item =>
{
item.DoSomething();
} );
Instead of:
foreach(Item item in list)
{
item.DoSomething();
}
The latter is clearer and easier to read in most situation, although maybe a bit longer to type.
However, I ...