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Java variable number or arguments for a method
...nd more about it in the Oracle guide on varargs.
Here's an example:
void foo(String... args) {
for (String arg : args) {
System.out.println(arg);
}
}
which can be called as
foo("foo"); // Single arg.
foo("foo", "bar"); // Multiple args.
foo("foo", "bar", "lol"); // Don't matter ...
How do I detect unsigned integer multiply overflow?
I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
...
Concat all strings inside a List using LINQ
...ng delimiter = ",";
List<string> items = new List<string>() { "foo", "boo", "john", "doe" };
Console.WriteLine(items.Aggregate((i, j) => i + delimiter + j));
class description:
public class Foo
{
public string Boo { get; set; }
}
Usage:
class Program
{
static void Main(s...
Swap key with value JSON
...operty name for a pretty straightforward single statement solution.
const foo = { a: 1, b: 2, c: 3 };
const bar = Object.keys(foo)
.reduce((obj, key) => Object.assign({}, obj, { [foo[key]]: key }), {});
If you're transpiling using the object spread operator (stage 3 as of writing this) tha...
Comparing boxed Long values 127 and 128
I want to compare two Long objects values using if conditions. When these values are less than 128 , the if condition works properly, but when they are greater than or equal to 128 , comparison fails.
...
How do I remove diacritics (accents) from a string in .NET?
I'm trying to convert some strings that are in French Canadian and basically, I'd like to be able to take out the French accent marks in the letters while keeping the letter. (E.g. convert é to e , so crème brûlée would become creme brulee )
...
What is the difference between the HashMap and Map objects in Java?
...nderlying implementation.
Example: Let's say I write this class:
class Foo {
private HashMap<String, Object> things;
private HashMap<String, Object> moreThings;
protected HashMap<String, Object> getThings() {
return this.things;
}
protected HashMap...
Remove substring from the string
...
You can use the slice method:
a = "foobar"
a.slice! "foo"
=> "foo"
a
=> "bar"
there is a non '!' version as well. More info can be seen in the documentation about other versions as well:
http://www.ruby-doc.org/core/classes/String.html#method-i-slice-2...
How to create an array for JSON using PHP?
...d_array = array(
"nome_array" => array(
array(
"foo" => "bar"
),
array(
"foo" => "baz"
)
)
);
echo json_encode($named_array);
share
|
...
Compare two objects' properties to find differences?
...on is only
/// completed on COMMON properties.
/// (ex. Type T is Foo, object1 is GoodFoo and object2 is BadFoo -- both being inherited from Foo --
/// both objects will be cast to Foo for comparison)
/// </para>
/// </summary>
/// <typeparam name="T">Any c...