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Does Java have something like C#'s ref and out keywords?
...u can simulate reference with wrappers.
And do the following:
void changeString( _<String> str ) {
str.s("def");
}
void testRef() {
_<String> abc = new _<String>("abc");
changeString( abc );
out.println( abc ); // prints def
}
Out
void setString( _<Strin...
What does (angle brackets) mean in Java?
...of the elements in a container, for example. Another example is HashMap<String, Integer>, which means "a map with String keys and Integer values."
Your Pool example is a bit different, because there you are defining a class. So in that case, you are creating a class that somebody else could i...
Purpose of Activator.CreateInstance with example?
...w:
class MyFancyObject
{
public int A { get;set;}
}
It lets you turn:
String ClassName = "MyFancyObject";
Into
MyFancyObject obj;
Using
obj = (MyFancyObject)Activator.CreateInstance("MyAssembly", ClassName))
and can then do stuff like:
obj.A = 100;
That's its purpose. It also has ma...
Javascript Equivalent to PHP Explode()
I have this string:
18 Answers
18
...
Rebase array keys after unsetting elements
...Will output:
array(1) {
[0]=> array(6) {
["name"]=> string(11) "example.zip"
["size"]=> string(9) "110726556"
["type"]=> string(28) "application/x-zip-compressed"
["deleteUrl"]=> string(28) "server/php/?file=example.zip"
...
How to use GROUP BY to concatenate strings in MySQL?
...n_group-concat
From the link above, GROUP_CONCAT: This function returns a string result with the concatenated non-NULL values from a group. It returns NULL if there are no non-NULL values.
share
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How to find the Git commit that introduced a string in any branch?
I want to be able to find a certain string which was introduced in any commit in
any branch, how can I do that? I found something (that I modified for Win32),
but git whatchanged doesn't seem to be looking into the different branches
(ignore the py3k chunk, it's just a msys/win line feed fix)
...
ASP.NET MVC Html.DropDownList SelectedValue
...ry this:
public class Person {
public int Id { get; set; }
public string Name { get; set; }
}
And then:
var list = new[] {
new Person { Id = 1, Name = "Name1" },
new Person { Id = 2, Name = "Name2" },
new Person { Id = 3, Name = "Name3" }
};
var selectList = new Select...
Calling async method synchronously
...ask, which will cause your thread to block until the result is available:
string code = GenerateCodeAsync().Result;
Note: In some cases, this might lead to a deadlock: Your call to Result blocks the main thread, thereby preventing the remainder of the async code to execute. You have the followi...