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Default parameter for CancellationToken
...ace methods, the same can be achieved using extension methods:
interface IFoo
{
Task DoAsync(CancellationToken ct);
}
static class Foo
{
public static Task DoAsync(this IFoo foo) => foo.DoAsync(CancellationToken.None);
}
This results in a slimmer interface and spares implementers from...
Java, List only subdirectories from a directory, not files
...ussion here:
How to retrieve a list of directories QUICKLY in Java?
Basically:
If you control the file structure, I would try to avoid getting into that situation.
In Java NIO.2, you can use the directories function to return an iterator to allow for greater scaling. The directory stream class i...
Getting only response header from HTTP POST using curl
... new place. If used together with -i/--include or -I/--head, headers from all requested
pages will be shown. When authentication is used, curl only sends its credentials to the initial host. If a redirect takes curl to a different
host, it won’t be able to intercept the user+pass...
How do I retrieve an HTML element's actual width and height?
... done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element.
– Dan Fabulich
Jan 19 '10 at 5:59
3...
Java Hashmap: How to get key from value?
...
The BidiMap interface in the Collections library is a bi-directional map, allowing you to map a key to a value (like normal maps), and also to map a value to a key, thus allowing you to perform lookups in both directions. Obtaining a key for a value is supported by the getKey() method.
There is a ...
Ways to synchronize interface and implementation comments in C# [closed]
...plementation?
I'm currently documenting them both and wouldn't like to manually keep them in sync.
9 Answers
...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...ceeds the size of the stack, and it has to be re-created. So there can actually, depending on the use case, be a performance increase when using new Array() because you can prevent the overflow from happening.
As pointed out in this answer, new Array(5) will not actually add five undefined items to...
Can I escape a double quote in a verbatim string literal?
In a verbatim string literal (@"foo") in C#, backslashes aren't treated as escapes, so doing \" to get a double quote doesn't work. Is there any way to get a double quote in a verbatim string literal?
...
Difference between Static and final?
...he initialization of any instance variables.
A single copy to be shared by all instances of the class.
A static variable can be accessed directly by the class name and doesn’t need any object.
Syntax: Class.variable
Static method
It is a method which belongs to the class and not to the objec...
What's the difference between a 302 and a 307 redirect?
...(RFC 2616):
Note: RFC 1945 and RFC 2068 specify that the client is not allowed to
change the method on the redirected
request. However, most existing user
agent implementations treat 302 as if
it were a 303 response, performing a
GET on the Location field-value
regardless of the ori...