Testing the equivalence of maps in Go. reflect.DeepEqual Function It first checks if both maps are nil, then it checks if they have the same length before finally checking to see if they have the same set of (key, value) pairs. package main impo...

Golang bytes.Buffer Examples Examples of Golang bytes.Buffer The bytes package provides the Buffer type for efficient manipulation of byte slices. A Buffer starts out empty but grows as data of types like string, byte, and []byte are written to it. ...

In PHP, there are 2 ways to check if a string contains a specific word. Using strpos Function The strpos(string $haystack, string $needle, int $offset = 0): int|false function finds the numeric position of the first occurrence of needle in the hayst...

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 Python, using the os.chdir method is the easiest way to set the current working directory Using chdir Method The os.chdir(path) method changes the current working directory to path. For example, #!/usr/bin/python3 # Import module import os ...

In Golang, using the buffer.Reset function is the easiest way to clear a bytes.Buffer Using buffer.Reset Function The buffer.Reset() function resets the buffer to be empty, but it retains the underlying storage for use by future writes. Reset is the...

In Python, using the os.environ variable is the easiest way to set environment variables Using os.environ Variable os.environ behaves like a python dictionary, so all the common dictionary operations can be performed. In addition to the get and set ...

In Golang, using the NumCPU function is the easiest way to find out the number of CPU's on a local machine. Using runtime.NumCPU Function The runtime.NumCPU() method returns the number of logical CPUs usable by the current process. The set of avail...

In Python, there are 3 ways to remove duplicates in list. Using Built-in set Function The built-in set() function returns a new set object, optionally with elements taken from iterable. If you later need a real list again, you can similarly pass the...

In Golang, using the a case-insensitive flag is the easiest way to do a case insensitive regular expression. Using a case-insensitive flag You can set a case-insensitive flag as the first item in the regex. You can add a (?i) at the beginning of th...

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, 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 set timeout for http.Get requests Using http.Client.Timeout Field Timeout specifies a time limit for requests made by this Client. The timeout includes connection time, any redirects, and reading the response body. S...

In Golang, there are 3 ways to trim leading and trailing white spaces of a string. Using strings.TrimSpace Function The easiest way to trim leading and trailing white spaces of a string in Golang. For example, package main import ( "fmt" "...

In Rust, there are 2 ways to access command line parameters. Using std::env::args Function This function actually returns the arguments that this program was started with. See the following example: use std::env; fn main() { for arg in env::...