asnimansari

const numbers = [1, 2, 3];
numbers[10] = 11;
console.log(numbers);

asnimansari

const foo = () => console.log("First");
const bar = () => setTimeout(() => console.log("Second"));
const baz = () => console.log("Third");

bar();
foo();
baz();

asnimansari

file = open("hello.csv", "w")

try:
    file.write('I am a disco dancer')
finally:
    file.close()

asnimansari

#  Context manager definition
class FileOpen(object):
    def __init__(self, file_name, method):
        self.file_object = open(file_name, method)

    def __enter__(self):
        return self.file_object

    def __exit__(self, value, type, traceback):
        self.file_object.close()

asnimansari

# create an UDP server using nc on port 11090
nc -ul 11090

# check whether an UDP server is listening on 11190
nc -vz -u <hostname> 11090

# send a packet to the UDP server
echo -n "hello" | nc -4u -w1  <hostname> 1118

asnimansari

|                 | Example     | # sets     | Characters  | Escapes                 |
|-----------------|-------------|------------|-------------|-------------------------|
| Character       | 'H'         | 0          | All Unicode | Quote & ASCII & Unicode |
| String          | "hello"     | 0          | All Unicode | Quote & ASCII & Unicode |
| Raw string      | r#"hello"#  | 0 or more* | All Unicode | N/A                     |
| Byte            | b'H'        | 0          | All ASCII   | Quote & Byte            |
| Byte string     | b"hello"    | 0          | All ASCII   | Quote & Byte            |
| Raw byte string | br#"hello"# | 0 or more* | All ASCII   | N/A                     |