#signals code explainers

typescript

import { Injectable, computed, inject, signal } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { firstValueFrom } from 'rxjs';

Optimistic updates with Angular signals

signals optimistic-updates state-management

Intermediate 9 steps

typescript

import { Injectable, signal, computed } from '@angular/core';
import {
  HttpInterceptorFn,
  HttpContextToken,

Tracking HTTP loading state in Angular

signals http-interceptor reference-counting

Intermediate 8 steps

typescript

import { Component, computed, inject, signal } from '@angular/core';
import { FormBuilder, ReactiveFormsModule, Validators } from '@angular/forms';
import { CommonModule } from '@angular/common';

Building a signup stepper in Angular

signals reactive-forms form-validation

Intermediate 10 steps

python

from django.conf import settings
from django.contrib.auth import get_user_model
from django.core.mail import EmailMultiAlternatives
from django.db.models.signals import post_save

Sending a welcome email with Django signals

signals email user-activation

Intermediate 8 steps

go

package main
 
import (
	"context"

Graceful HTTP shutdown in Go

graceful-shutdown signals goroutines

Intermediate 8 steps