This post entails installing Postgres client version 11.*
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PostgreSQL – Granting access to users
Common statements to granting user accesses in Postgres
Querying JSONB Postgres fields in SQLAlchemy
How to query JSONB fields in SQLAlchemy models
Angular – Writing unit tests for setTimeout in functions
Writing tests for timeout functions in Angular.io
Angular 6 – getting previous url from angular router
Below is a service that can be used to get the previous url from angular router where it is navigated via router or browser’s back button // Service import { Injectable } from '@angular/core'; import { Router, RouterEvent, NavigationEnd } from '@angular/router'; /** A router wrapper, adding extra functions. */ @Injectable() export class RouterExtService {…
React – Tips on writing better code
Tips on writing better React code
The pokeman of Blockchain – CryptoKitties
CryptoKitties is a Blockchain powered game centered around breedable and collectible cats.
Ethereum-based Dapps
This post lists some Ethereum based decentralised applications. Read more!
Angular 4 – Downloading file via a service
This post shows how to download and save a file using a backend service.
Angular 4 – Uploading files
This post entails uploading a single file in Angular 4 using Injectable services.