devvspaces

import datetime
from typing import Dict, Type, TypeVar, overload

from django.contrib.postgres.search import (SearchQuery, SearchRank,
                                            SearchVector)
from django.db.models import Manager, QuerySet
from utils.base.crypto import hash_digest
from django.core.cache import cache as _cache
from django.conf import settings
from django.core.cache.backends.base import BaseCache

devvspaces

class BankAccount {
  String? accountName;
  String? accountNumber;
  double accountBalance = 0;
  
  BankAccount(String name, String number){
    accountName = name;
    
    // Validate account number
    RegExp pattern = RegExp(r'^\d+$');

devvspaces

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}');
  }
}

devvspaces

void main() {
  print(add(3, 2));
  print(multiply(12, 2));
  print(divide(1, 2));
  print(subtract(9, 2));
  print(mod(5, 2));
}

num add(int a, b){
  return a + b;

devvspaces

// Program to print odd numbers ranging from 1 - 30 😎
void main() {
  
  // Loop on numbers range 1 - 30
  for (int pointer = 1; pointer <= 30; pointer++){
    
    // Check if value is an odd number or even
    if (pointer % 2 != 0) {
      print(pointer);

devvspaces

class ExtraAdminUtils(admin.ModelAdmin):
    add_fieldsets: dict = None
    add_form = None

    def get_fieldsets(self, request, obj=None):
        if not obj and self.add_fieldsets is not None:
            return self.add_fieldsets
        return super().get_fieldsets(request, obj)

    def get_form(self, request, obj=None, **kwargs):

devvspaces

Used Digital Ocean and Linode

• Linode Server was used as the host
• Linode Server also used as the client

Reading DigitalOcean Reading Linode

Encountered a problem with Dns Resolution Used this to resolve it Article

Steps:

devvspaces

What i learnt

• Network Diagnostic:
  • Tools like PING, MTR, TRACEROUTE
• There is a service on ubuntu called: systemd-networkd
• Enable it and start it's service

Links for help

• Linode Help
• Basic Linux Network Diagnostic
• How to Resolve “Temporary failure in name resolution” Issue

devvspaces

import hashlib
import hmac


def compare_digest(a, b):
    """Compare hashes in constant time."""
    return hmac.compare_digest(a, b)


def sha1_hash(message: str, key: str):

devvspaces

This is an example of a github action that automatically merges master branch with production branch Use cases of this is wide:

1. Example is automatically running test on your source code and if they passed, you can automatically build the file and push it to production, and then deploy the production branch on an online server

Learn more about github actions here

name: Update Production