Author Archives: lysender

Docker Compose Environment Variable and Quotes

Posted on June 24, 2019 by lysender

TLDR: Do not put any double quotes or single quotes into the environment parameter in the docker-compose.yml file. Do we really need the long version of the story? Instead of this: Use this instead: Now this is odd as I … Continue reading →

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React Native + Expo + Redux – _react.default.memo is not a function

Posted on June 3, 2019 by lysender

As of early June 2019 using the latest version of Expo, I’m not able to use Redux as I’m getting this error memo is not a function when trying to use connect. Spoiler, it is because Expo is using a … Continue reading →

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Using Base64 encode/decode in a React Native/Expo app

Posted on May 31, 2019 by lysender

I can’t believe that I can’t easily encode and decode Base64 string in React Native without pulling my hair. I’m using Expo to manage my development workflow and it even adds more confusion. Thankfully, a little trick saves me from … Continue reading →

Posted in React Native | Tagged , | 2 Comments

First Metro Securities Change Password Issue

Posted on May 23, 2019 by lysender

When I tried to login to First Metro Securities today, it says that my password already expired and won’t let me log in. I think I went to the classic version and tried to login too but when I changed … Continue reading →

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React/Expo Uses the Incorrect IP Address in Windows 10

Posted on May 22, 2019 by lysender

My setup is in a Windows 10 machine with VirtualBox installed with a Host Only Network added by VirtualBox. Every time I run expo start it always picks up the VirtualBox network adapter instead of my machine’s Ethernet adapter. Without … Continue reading →

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TypeScript – URLSearchParams iterator typing issue

Posted on May 15, 2019 by lysender

In a certain React course in Udemy, I encountered an issue on React and Typescript where an iterator does not work the way it is shown in the course and this is probably because the course is not written in … Continue reading →

Posted in React, TypeScript | Leave a comment

React + Redux – Component not exported or Redux not connected

Posted on May 9, 2019 by lysender

Hey there, I’m a React and Redux newbie and the annoying issue I’ve encountered is when you connect a component to Redux but the actions are not injected into the component’s props. When you follow the tutorial, it seems straightforward … Continue reading →

Posted in React, Web Development | Tagged | Leave a comment

VirtualBox 6 Ubuntu 16.04 Guest Upgrade to 18.04 – Shared Folder Not Working

Posted on May 1, 2019 by lysender

Today, I finally decided to upgrade my local Ubuntu 16.04 VM to Ubuntu 18.04 which is the latest LTS version. Everything seem to be working just fine when I realized that the shared folders are not automatically mounted anymore. Update: … Continue reading →

Posted in Linux | Tagged | 1 Comment

My Trading Profile: Swing Trading

Posted on February 14, 2019 by lysender

Last year, before I even started actual trading, I already started studying swing trading and my first three months perhaps is more about swing trading. As I go along the journey, I learned new techniques, tried them and failed miserably, … Continue reading →

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Docker Networking – Prevent External Access to your exposed ports

Posted on February 14, 2019 by lysender

I have this problem wherein my MySQL server running in a Docker container is accessed outside the host which is a small VPS. I know because when I view the Docker logs for that MySQL container, it shows a lot … Continue reading →

Posted in Database, Docker, MySQL | Leave a comment