Chuni Lal Kukreja – Medium

Chuni Lal Kukreja

he/him

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Chuni Lal Kukreja

Apache Flink Series — for a developer from a developer

When I started learning Apache Flink, honestly if you look around & tries to find out good resources for flink. You will barely get direct…

Jul 16, 2023

Apache Flink Series — for a developer from a developer

Jul 16, 2023

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Chuni Lal Kukreja

Demystifying Apache Flink Exceptions — PART 1

Note: This post is part of this series.

Jun 22, 2023

Demystifying Apache Flink Exceptions — PART 1

Jun 22, 2023

Chuni Lal Kukreja

Debugging an iOS app

In iOS development, debugging information is contained in dSYM files. A dSYM file (debug symbol file) is a DWARF file that contains the…

Jun 27

Debugging an iOS app

Jun 27

Chuni Lal Kukreja

Locate & Register Service Account Key for FCM v1 APIs

Today, I was trying out sending push notification using FCM v1 APIs instead of FCM SDK. Initially, my assumption was that…

Jun 26

Locate & Register Service Account Key for FCM v1 APIs

Jun 26

Chuni Lal Kukreja

Conditions under which Job Manager can’t register new Task Managers

This is a much needed requirement where in Apache flink we would like to register TM with JM on the fly meeting our auto-scaling use case…

Jun 26

Conditions under which Job Manager can’t register new Task Managers

Jun 26

Chuni Lal Kukreja

Lifecycle of Push Notification based Device Tokens

Firebase Cloud Messaging (FCM) device tokens (also known as registration tokens) do not have a fixed expiry time in the traditional sense…

Jun 25

Lifecycle of Push Notification based Device Tokens

Jun 25

Chuni Lal Kukreja

Mutual authentication flow b/w APNs and backend server

This post will help you to understand how a backend server can connect to the APNs.

Jun 25

Mutual authentication flow b/w APNs and backend server

Jun 25

Chuni Lal Kukreja

Smartphone as a FIDO2 Roaming Authenticator via BLE

I have been trying to get details or flow diagram of how FIDO2 flow with a roaming authenticator i.e. smartphone be achieved via BLE.

Jun 18

Smartphone as a FIDO2 Roaming Authenticator via BLE

Jun 18

Chuni Lal Kukreja

Choice between Flutter & React-Native

I am sharing my experience post experimenting on both the sides!!!

May 28

Choice between Flutter & React-Native

May 28

Chuni Lal Kukreja

Checkpointing — Backbone of your Apache Flink Job

Checkpointing or snapshot is the backbone of your Apache Flink Job. It’s like a necessity for any job that’s deployed in production to…

Jul 20, 2023

Checkpointing — Backbone of your Apache Flink Job

Jul 20, 2023

Chuni Lal Kukreja

Chuni Lal Kukreja

he/him

Flutter | Data Streaming | Apache Flink | Distributed Systems | Backend Engineering | Decentralized Identity

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