In PHP, using the $_SERVER variable is the easiest way to get the full URL. Using $_SERVER Variable $_SERVER is an array containing information such as headers, paths, and script locations. The following example should cover whatever you are trying...

In PHP, there are 3 ways to delete an element from an array. Using unset Function The unset(mixed $var, mixed ...$vars): void function destroys the specified variables. For example, $arr = ["a", "b", "d"]; unset($arr[1]); print_r($arr); Arr...

In Golang, using the len function is the easiest way to count the items in the map structure. Using len Function The built-in function len take arguments of various types and return a result of type int. The implementation guarantees that the result...

In Python, there are 3 ways to reverse a string. Using slicing Slice notation takes the form [start:stop:step]. #!/usr/bin/python3 s = "Hello World" print(s[::-1]) # syntax # a[start:stop] # items start through stop-1 # a[start:] # items...

In Python, there are 2 ways to check if an object is of a given type. Using isinstance Method The isinstance(object, classinfo) method returns True if the object argument is an instance of the classinfo argument, or of a (direct, indirect, or virtua...

In Rust, using the position function is the easiest way to find the index of an element in a vector. Using position Method The position() method searches for an element in an iterator, returning its index. position() is short-circuiting; in other ...

In Rust, there are 2 ways to index a string. Using as_bytes Function If the enum is C-like, then you can create a static array of each of the variants and return an iterator of references to them: fn main() { let s = "abc"; let b: u8 = s.as...

In Rust, there are 2 ways to iterate through the values of an enum. Using a static array If the enum is C-like, then you can create a static array of each of the variants and return an iterator of references to them: use self::Direction::*; use...

In Golang, there are 2 ways to unpack array as arguments. Using Variadic Functions Variadic functions can be called with any number of trailing arguments. Here’s a function that will take an arbitrary number of ints as arguments. For example, p...

In Golang, there are 3 ways to check the equality of two slices. Using bytes.Equal Function Equal reports whether a and b are the same length and contain the same bytes. A nil argument is equivalent to an empty slice. For example, package main...

In Golang, there are 3 ways to get a slice of keys from a map.Using For Range The easiest way to get keys of map in Golang: package main import "fmt" func main() { m := map[string]int{ "a": 1, "b": 1, "c": 1, } // minimize ...

In Golang, there are 2 ways to convert byte array to string.Using string Function The easiest way to convert []byte to string in Golang: package main import "fmt" func main() { b := []byte{'a', 'b', 'c'} s := string(b[:]) fmt.Printf("%...

In Python, there are 3 ways to split a list into equally sized chunks. Using List Comprehension List comprehensions provide a concise way to create lists. The following example: #!/usr/bin/python3 # -*- coding: utf8 -*- # initialize lst = ['a'] *...

In Rust, there are 3 ways to convert string to json. Using Serde JSON Serde is a framework for serializing and deserializing Rust data structures efficiently and generically. Adding dependencies In Cargo.toml file we’ll add this information. [de...

3 ways to initialize a Python Array .Initialize a list with values If you want to initialize a list of any number of elements where all elements are filled with any values, you can use the * operator as follows. #!/usr/bin/env python3 arr = ['H'] *...