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Hazem Saleh

Hiring Strong iOS Engineers for Facebook

We are looking to hire strong iOS engineers in Facebook client Infra team in New York, if you are interested, ping me on the chat in…

Jun 5, 2021

Hiring Strong iOS Engineers for Facebook

Jun 5, 2021

Published in
Level Up Coding

Closest Binary Search Tree K-Values Problem — LeetCode Hard (Proposed Solution)

Background

Dec 25, 2020

Closest Binary Search Tree K-Values Problem — LeetCode Hard (Proposed Solution)

Dec 25, 2020

Back from ApacheCon NA 2019

I just got back from ApacheCon NA 2019 presenting two talks about Apache projects (August 2019)…

Oct 6, 2019

Back from ApacheCon NA 2019

Oct 6, 2019

Published in
ProAndroidDev

Building your iOS/Android App in 30 minutes using Flutter

If you are a mobile developer that loves developing mobile apps as quickly as possible, then this session is definitely for you. This…

Sep 28, 2019

Building your iOS/Android App in 30 minutes using Flutter

Sep 28, 2019

Speaking in ApacheCon North America 2019

In Thursday 12th September, I will be participating in ApacheCon NA with presenting two technical talks…

Jul 7, 2019

Speaking in ApacheCon North America 2019

Jul 7, 2019

Published in
Level Up Coding

Scikit-Learn Machine Learning Classification 101

This article is not about mobile or web development or cloud platforms, it is about my diving in machine learning world. Although I’m…

Jun 15, 2019

Scikit-Learn Machine Learning Classification 101

Jun 15, 2019

Effective Unit Tests for JavaScript Applications Session (FullStack NYC 2019)

I just get back from FullStack NYC 2019. The conference organization was really excellent. I was really glad to meet wonderful front-end…

Jun 8, 2019

Effective Unit Tests for JavaScript Applications Session (FullStack NYC 2019)

Jun 8, 2019

Back from DevFest Chicago 2019

I just get back from DevFest Chicago 2019. The conference organization was really excellent. I was really glad to meet the friendly…

Feb 4, 2019

Back from DevFest Chicago 2019

Feb 4, 2019

Clean Unit Testing Talk in DevFest Windy City

I will be glad to have you joining my session in DevFest Chicago “Learnt lessons from Mockito 2.x Migration”…

Jan 21, 2019

Clean Unit Testing Talk in DevFest Windy City

Jan 21, 2019

Published in
ProAndroidDev

Mockito 2.x Migration Session Recording - Droidcon UK 2018

Mockito 2.x solves many problems that most of the Android developers were having in their unit tests in Mockito 1.x. But what if you are…

Nov 14, 2018

Mockito 2.x Migration Session Recording - Droidcon UK 2018

Nov 14, 2018

Upgrading Android App Unit tests to Mockito 2.x - Droidcon UK 2018

Mockito 2.x solves many problems that most of the Android developers were having in their unit tests in Mockito 1.x. But what if you are…

Nov 1, 2018

Upgrading Android App Unit tests to Mockito 2.x - Droidcon UK 2018

Nov 1, 2018

Published in
ProAndroidDev

MVVM architecture, ViewModel and LiveData — Part 3 (AndroidX Upgrade)

In the previous two articles of this series (Part1 and Part2), we discussed how can Architecture components serve an android app that…

Oct 8, 2018

MVVM architecture, ViewModel and LiveData — Part 3 (AndroidX Upgrade)

Oct 8, 2018

See you in my Droidcon London Talk

In 10:45 am, 26 Oct 2018, I will show very important learnt lessons that are captured when migrating a huge number of unit tests from…

Jul 24, 2018

Jul 24, 2018

C++ Solution for Hackerrank Encryption Challenge

This is not a regular post of mine about a certain mobile topic, this post is about my solution for a general interesting challenge that I…

May 27, 2018

C++ Solution for Hackerrank Encryption Challenge

May 27, 2018

Lessons Learned: Bitbucket PR Build Integration with TeamCity

One of the most important steps that needs to be considered for having faster development, less painful times, and faster time to market is…

May 9, 2018

Lessons Learned: Bitbucket PR Build Integration with TeamCity

May 9, 2018

Effective Unit Testing Talk in Geecon 2018

I will be glad to have you joining my session in Geecon Krakow “Effective unit testing for Android apps” (9th to 11th May 2018).

Apr 1, 2018

Effective Unit Testing Talk in Geecon 2018

Apr 1, 2018

Back from Droidcon Krakow 2017

I just get back from Droidcon that was be held from 01 to 02 Decemeber @Krakow, Poland. The conference organization was really good and…

Dec 10, 2017

Back from Droidcon Krakow 2017

Dec 10, 2017

Effective Unit Testing Talk in Droidcon

I will be glad to have you joining my session in Droidcon Krakow “Effective unit testing for Android apps”.

Nov 22, 2017

Effective Unit Testing Talk in Droidcon

Nov 22, 2017

Published in
ProAndroidDev

Modular Architecture for faster Build Time

In big Android projects, project build duration is a very important metric that should be monitored frequently because big projects usually…

Oct 12, 2017

Modular Architecture for faster Build Time

Oct 12, 2017

Published in
ProAndroidDev

MVVM architecture, ViewModel and LiveData — Part 2 (DI)

During Google I/O, Google introduced architecture components which includes LiveData and ViewModel which facilitates developing Android app…

Jul 9, 2017

MVVM architecture, ViewModel and LiveData — Part 2 (DI)

Jul 9, 2017

Hazem Saleh

Hazem Saleh

Open source enthusiast, Apache PMC, Sr Software Engineer in @Facebook NY, Author of 5 tech books (one of them is a best selling). All opinions are my own.

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