MultiThreading in iOS

MultiThreading – Multithreading means multiple tasks at the same time and the tasks which are being executed on what are Threads. Or we can say – In our app when we try to execute multiple tasks at the same time then our app UI will freeze because our mobile-only has 1 CPU. So we can Continue Reading »

Changes in XCode 12 and iOS 14

WWDC,2020 which was held in June this year. Apple has announced all the new features and improvements that will be available for the developers all around the globe. As expected, many new features and advancements were rolled out. This has created a lot of excitement in the developer’s community. I will discuss the changes made Continue Reading »

Upload dSYM file manually into Firebase for crashlytics

Most of you would be familiar with Firebase integration in your apps, Firebase helps developers by producing human-readable crash reports. But sometimes, this fails due to dSYM files uploading failure. Debug Symbol files (dSYM) files are required by Firebase Crashlytics to give the app developers a human-readable crash report on its console. These dSYM files Continue Reading »

DynamicLink

Ques: Why we use the Dynamic link? Ans: We use Firebase Dynamic links instead of Deep Link Because there is a limitation in the deep link that is when we click on an url & if we have not installed that app then the link is not working, in other words, it is only working Continue Reading »

Penetration Testing Overview

Penetration testing is used to detect vulnerabilities present in the system in order to protect the sensitive data from the attackers who try to exploit the vulnerabilities present in the system. It basically determines the weak areas for any intruder to attack. This is required majorly when updating the system or adding new network infrastructure. Continue Reading »

JMeter-Performance Testing

Apache JMeter is a tool that can be used for load testing to analyse and measure the performance of web applications, mobile applications, HTTP requests, web services, database etc. JMeter simulates the number of users to send requests to the target server and records the stats in various available formats to analyse the performance. Simply Continue Reading »

Swift Memory Safety

  Memory Safety in Swift  Swift monitors risky behaviour that may occur in the code. For example, Swift ensures that variables are introduced before they’re utilized, likewise, memory isn’t accessed once its deallocated, and array indices are checked for out-of-bounds errors. Swift additionally guarantees that multiple access to a similar region of memory doesn’t conflict, Continue Reading »

Smoke VS Sanity

Smoke Testing: Whenever a new feature comes into the picture, we perform Smoke Testing to make sure all basic and critical feature is not affected by present code changes and application is working fine. Smoke testing is also known as Build verification Testing and Confidence testing, where we provide acceptance of build with no blocker Continue Reading »

Carousel in React Native

Image Carousel also popularly known as Slider components are one of the most appealing parts of the mobile applications and is used extensively. We can get it through various libraries that provide the slider functionality but today we will be focusing on the custom slider.  We can achieve it using ScrollView but Here we will learn how Continue Reading »

Performance testing challenges and How to overcome them

What is performance testing? In software development lifecycle (SDLC), software testing plays an important role along with software development. We have various types of testing in which Performance testing is one of the most important types of testing which ensures that our software performs stably under varying load conditions. Performance testing belongs to the non-functional Continue Reading »

Performance optimization with useMemo and useReducer

React Hooks introduced some memory optimization hooks to improve performance. Data Hooks are hooks which store data. You store data that the specified portion of the UI specifically relies on for visual changes and memoize/cache data that a given portion UI don’t directly rely on for visual changes.  Storing is different from memoizing/caching. There’s a Continue Reading »

SSL pinning with public key using TrustKit

In today’s advance environment, everybody will be comfortable with automation rather than applying manual efforts. With Trustkit, one can easily validate the certificate’s public key by typing only a few lines of codes and also, it comes with extra functionalities like reporting or fallback public keys. Step 1: Extracting the public key of the certificate Continue Reading »

Offline data handling in iOS

Why Offline handling? Offline data handling in iOS apps isn’t an extra feature anymore. Users want and expect it as a default feature in apps. So it is necessary to save data in our apps.  Data from researches and surveys show that users abandon pages if they take more than 3 seconds to load. This Continue Reading »

Lifecycle Methods

Today we are going to discuss React life cycle methods. What are the lifecycle methods and how these lifecycle methods work? Let’s start by creating a basic component (say Hello world) which we all have created as a beginner. class HelloWorld extends React.Component {       render() {      return <h1> Hello World </h1>      Continue Reading »

Spring Boot Multiple Database Configuration

Sometimes it’s our application requirement to deal with multiple databases. Spring Boot helps us to configure multiple databases in a single application. This blog will help to configure multiple datasources into a spring boot application. To use multiple DataSources, let’s add the following details in the property file. Here we configured ‘foo’ datasource and ‘bar’ Continue Reading »

Android in-app Purchases

Introduction: At some point, we need to earn revenue through our application. We can monetize our application for removing ads, selling physical goods, providing some enhanced functionality to users. We can follow different monetization strategies that depend upon our application. Using Google Play Billing:  According to android documentations- You can use Google Play’s billing system Continue Reading »

Multi-Threading

Q= What is multithreading? Multithreading is the most important concept, every developer must know about them. When we try to execute multiple tasks at the same time then our Ui get stuck and wait for another task to be completed. Because our iPhone has only one CPU and it can perform only one operation at Continue Reading »

Versioning your API

Versioning of APIs is a decent practice. Versioning helps make your API more adaptable and versatile to changes while keeping the functionality intact. It also helps you manage changes to the code better and more easily revert back to old code if the new code causes problems. You ought to have an alternate form of Continue Reading »

S3 Bucket

Introduction: An Amazon S3 bucket is a public cloud storage resource available in Amazon Web Services’ (AWS). S3 stands for Simple Storage Service (S3) and it is an object storage offering. Amazon S3 buckets, which are similar to file folders, store objects which consist of data and its descriptive metadata. Amazon S3 provides a web Continue Reading »

Design Pattern

MVC Design Pattern(Model View Controller) After developing the complex application it is very tough to manage the application, so the stable app we want it to be, we use design pattern so any developer can easily understand the code any easy change the code according to need MVC firstly comes picture in design pattern The Continue Reading »

Testing via Charles proxy

Charles Proxy is a cross-platform HTTP debugging proxy server application written in Java. It acts as a middleman between the local computer and the internet. It enables the user to view HTTP, HTTPS and enabled TCP port traffic accessed via the local computer.  It simply enables the user to view/ monitor network calls and helps Continue Reading »

Work Manager

What is WorkManager? WorkManager is one of the Android Architecture Component and part of Android Jetpack. WorkManager is an Android library that runs deferrable background work when the work’s constraints are satisfied. WorkManager allows you to schedule work to run one- time or repeatedly using flexible scheduling windows. How to use WorkManager? Step 1: In Continue Reading »

Swift Generics

Generics are simple yet one of the most powerful features of Swift programming language. Generic code enables us to write flexible and reusable functions that can work with any data type. Most of the Swift standard library is written using generics code. We have been using generic in our projects for a long time without Continue Reading »

MVVM Architecture Advantage – Android

For a good application developer whether android or iOS should follow an architecture to build a project. The better the architecture the better will be the code structure and better will be its readability. If you don’t follow any architecture then start following one.  In this blog, we will focus on the Android platform. There Continue Reading »