souvikhaldar

package main

import "fmt"

func main() {
	ch := make(chan int, 2)
	ch <- 1
	ch <- 2
	ch <- 3
	fmt.Println(<-ch)

souvikhaldar

package main

import (
	"fmt"
	"time"
)

func fibonacci(n int, c chan int) {
	x, y := 0, 1
	for i := 0; i < n; i++ {

souvikhaldar

package main
import "fmt"

func fibonacci(c, quit chan int) {
	x, y := 0, 1
	for {
		select {
		case c <- x:
			x, y = y, x+y
		case <-quit:

souvikhaldar

package main

import (
	"fmt"
	"sync"
	"time"
)

// SafeCounter is safe to use concurrently.
type SafeCounter struct {

souvikhaldar

package main

import (
	"fmt"
)

func appendCategory(a []string, b []string) []string {

	check := make(map[string]int)
	d := append(a, b...)

souvikhaldar

def intreverse(n):
  a=""
  while n>0:
    b=str(n%10)
    a=a+b
    n=n//10
  return int(a)

souvikhaldar

[Unit]
Description=Prometheus
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
ExecStart=/usr/local/bin/prometheus --config.file=/etc/prometheus.yml
[Install]
WantedBy=multi-user.target

souvikhaldar

global:
scrape_interval: 15s 
# By default, scrape targets every 15 seconds.
# Attach these labels to any time series or alerts when communicating with
# external systems (federation, remote storage, Alertmanager).
external_labels:
monitor: 'codelab-monitor'
# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:

souvikhaldar

scrape_configs:
- job_name: 'node'
  static_configs:
  - targets: ['<TARGET_IP>:9100']

souvikhaldar

# Importing the module pyqrcode
import pyqrcode
# data for the QR code
s = input("Enter the data to be put in the QR code: ")
# Generate QR code by the help of create function
url = pyqrcode.create(s)
# name of the geneated file
name = input("Enter name for the generated image file: ")
filename = name + ".svg"
url.svg(filename, scale = 8)