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Dimitris Moutsatsos
Dimitris Moutsatsos

122 Followers

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Nov 29, 2022

AWS Amplify FATAL ERROR: Reached heap limit Allocation failed

AWS Amplifty is our preferred solution to deploy a react-js application (nodejs). Our latest builds failed to compile with message “FATAL ERROR: Reached heap limit Allocation failed”. A quick fix…

Nodejs

1 min read

Nodejs

1 min read


Apr 21, 2021

How to cache ReactJS fetch json results for a period of time in localStorage

In a ReactJS app i was calling an external API to get some news and display to the user. Every time this page was loading i had this external API call. So i need to make a small 5 minute caching of the result in order to avoid external calls. …

Reactjs

2 min read

How to cache ReactJS fetch json results for a period of time in localStorage
How to cache ReactJS fetch json results for a period of time in localStorage
Reactjs

2 min read


Apr 14, 2021

Auth0 & ReactJS RBAC permissions

If you are using Auth0 with ReactJS you may need to get the user permissions (RBAC) in order to change some elements in your react app. I could not find any method in @auth0/auth-react so I tried a workaround for this but when i was creating a silent token the…

Auth0

1 min read

Auth0 & ReactJS RBAC permissions
Auth0 & ReactJS RBAC permissions
Auth0

1 min read


Jan 14, 2021

Box Drive change location of cache folder (Windows 10)

At MAD TV we are using Box as storage system for caching all our files. We are very happy with the service and it is-for my point of view- more reliable from Microsoft Sharepoint (onedrive for business etc). Box has an application to replace all network shares called Box Drive…

Box

2 min read

Box Drive change location of cache folder (Windows 10)
Box Drive change location of cache folder (Windows 10)
Box

2 min read


Nov 18, 2020

Install Nginx, MariaDB, PHP, Certbot on Amazon 2 (Ec2 instance)

This is a very simple installation with no custom setup. Prerequisites Before start this tutorial you should know how to create , use and connect to an amazon ec2 instance. Step1 : Nginx Install and run nginx $ sudo amazon-linux-extras install nginx1 -y $ sudo systemctl start nginx.service Now navigate to a browser and…

Amazon

3 min read

Install Nginx, MariaDB, PHP, Certbot on Amazon 2 (EC2 instance)
Install Nginx, MariaDB, PHP, Certbot on Amazon 2 (EC2 instance)
Amazon

3 min read


Nov 15, 2020

MacOS — the requested PHP extension gmp is missing from your system.

The problem I don’t know why but php on my mac after a restart is missing the GMP e(GNU Multiple Precision) extension. So when i trying to use composer to install/update depedencies i get the following error. - web-token/jwt-core v1.3.7 …

PHP

1 min read

PHP

1 min read


Sep 22, 2020

Είναι digital-ready η εταιρία σας για το νέο lockdown ;

Στις επόμενες ημέρες είναι εξαιρετικά πιθανό να χρειαστεί να δουλεύουμε απο το σπίτι. Έγιναν οι κατάλληλες κινήσεις από την εταιρία που εργάζεστε για να μπορέσετε να δουλέψετε απομακρυσμένα; Σε αυτό το άρθρο θα κάνουμε μια καταγραφή εργαλείων που θα μπορούσαν να κάνουν την ζωή μας πιο εύκολη. …

Lockdown

2 min read

Είναι digital-ready η εταιρία σας για το νέο lockdown ;
Είναι digital-ready η εταιρία σας για το νέο lockdown ;
Lockdown

2 min read


Jul 10, 2020

Javascript for fun: Combinations

I had a small request to display all the true/false combinations.  The only catch was that 2 vars cannot be true,true or false,false .

JavaScript

1 min read

Javascript for fun: Combinations
Javascript for fun: Combinations
JavaScript

1 min read


Published in Tychetech

·May 20, 2020

Going Serverless: Running R in AWS Lambda (cloud)

Introduction The last 5 years, at Tychetech, we have been working with a major Real Estate organization in SE Europe for the digitalisation of their Real Estate Scientific Asset Management tools. We were lately asked to examine how we could boost the performance of their awarded Automated Valuation Model (AVM). What is Automated Valuation Model Automated…

AWS

3 min read

Going Serverless: Running R in the cloud.
Going Serverless: Running R in the cloud.
AWS

3 min read


Published in Tychetech

·Apr 30, 2020

Certbot issue with Amazon ec2 (on update)

A very common issue is that every time certbot perform an update from one version to another it is stop working when it is running on amazon ec2 instances # ./certbot-auto Upgrading certbot-auto 0.29.1 to 1.3.0... Replacing certbot-auto... Creating virtual environment... Installing Python packages... Installation succeeded. …

Certbot

1 min read

Certbot

1 min read

Dimitris Moutsatsos

Dimitris Moutsatsos

122 Followers

developer and weirdo / current: Tychetech / MAD TV / WARR

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