Since the recent update to Mac OS Catalina and forced update to zsh, I was having problem with a lot of my CLI tools, including flutter. The reason being, zsh uses ~/.zshrc and not ~/.bash_profile So to solve the problem, simply add your flutter path… Read More »Solution to: zsh: command not found: flutter on macOS Catalina

So I recently upgraded to macOS Catalina and all hell broke loose. Many of my command line utilities kept working but I have definitely wasted close to 30 hours trying to fix everything to make it work just like it did in the previous macOS… Read More »Solution to zsh: command not found: expo on macOS Catalina

In Python 3.5+ In Python 2.x: In these examples, Python merges dictionary keys in the order listed in the expression, overwriting duplicates from left to right.

So if you are a developer,  you might need to clean up comments from a code that you might have copied from somewhere else and updating the documentation needs you to start from scracth, or you just want to get rid of comments. Afterall, it… Read More »Find code comments using regex in an IDE

So in a recent project, the hardware being used was sending data always prepended with the zeros. I was using this as a number in my database, so this is what I did for removing the leading zeroes from the string $str = ltrim($str, ‘0’);… Read More »PHP: Remove and Prepend zeros in a string

Step 1: sudo add-apt-repository ppa:ondrej/php sudo apt-get update sudo apt-get upgrade sudo apt-get install php7.1 # for PHP 7.1 Step 2: Install extension with the following commands sudo apt-get install php7.1-gd php7.1-mysql php7.1-dom php7.1-cli php7.1-json php7.1-common php7.1-mbstring php7.1-opcache php7.1-readline

Sometimes you want to have a subdirectory on the master branch be the root directory of a repository’s gh-pages branch. This is useful for things like sites developed with Yeoman, or if you have a Jekyll site contained in the master branch alongside the rest… Read More »Github Pages: Deploying a subfolder to GitHub Pages

Use # /etc/init.d/apache2 restart OR $ sudo /etc/init.d/apache2 restart OR $ sudo service apache2 restart OR simply create an alias for the command that works for you. alias rsws=’/etc/init.d/apache2 restart’ Using my alias ‘rswd’ $ rsws [ ok ] Restarting apache2 (via systemctl): apache2.service.

Sometimes, all you need is quick command which you can run and land on a directory you access most. In this case, on one of my test servers, I wanted to go to the main directory where I keep my websites. I just created an… Read More »Linux: Quickly accessing your project files

Print all existing aliases alias Add a new alias alias list=’ls -la’ In the above example, an alias list has been added which actually runs the command ls -la

It’s quite simple db..find().forEach(function(d){ db.getSiblingDB(”)[”].insert(d); }); You can do a mongodump of a collection from one database and then mongorestore the collection to the other database. I used robomongo and it a documents view, just used this query with the right names for collections and… Read More »MongoDB: Copy a collection from one database to another

So you just committed some code only to realize you had a few files missing from your commit, which you forgot to add. This happens a lot in everyday coding and git has an easy fix for that. If you are like me, you have… Read More »Git: Amend the last commit

Just released a new version of Github pages which you can find at fahdi.github.io. Github pages are an interesting feature of github to update a personal portfolio or a project page or any static (or dynamic: look at PakistanJS). You push your code as a static… Read More »My Github Pages

Teamwork API is great but while while working on it, I badly felt the need of being able to test different end points before putting them into my app. Naturally, I tried looking for it on the web and didn’t find anything, so I finally… Read More »Releasing first version of my postman collection for Teamwork API

So I recently upgraded a project to python3 and installing via pip was giving me this message Could not find a version that satisfies the requirement requirements.txt (from versions: ) No matching distribution found for requirements.txt The solution was to do this pip install –upgrade… Read More »Python Solution: Could not find a version that satisfies the requirement requirements.txt

Here is a simple example of using reduce for adding all values in an array let add = (…args) => { return args.reduce(function(a, b) { return a + b; }, 0); }; let args = [3, 5, 7]; console.log(add(…args)); Clean, right? In regular JS or… Read More »Javascript: Array Reduce

If you’re using the Angular 2 beta version and want to upgrade to angular 2 final release candidate, it’s a good idea to be aware of the breaking changes from beta to final release. I followed a few youtube tutorials and struggled with it, so here… Read More »Breaking changes from Angular 2 beta to final release candidate

So I am learning Angular 2 and decided to use Angular CLI this time instead of those seed projects. BTW, I am following this course to study basics of Angular. sudo ng new angular-app And this is what happened Password: As a forewarning, we are… Read More »Javascript/ Angular: `ng new` command stuck at ‘Installing packages for tooling via npm’

Recently, I had a friend setup a CentOS server for me as I personally have experience setting up and managing lamp on Ubuntu servers but needed a CentOS expert. Anyhow, the way to manage Apache on CentOS is a bit different than how it’s done… Read More »Restart apache on CentOS

While I was doing some debugging, I badly needed to compare two Javascript objects that I could easily print into console but then was having a hard time remembering all of the differences from one object to the other one. This was a major API… Read More »Javascript: Copy object or variable from console into clipboard

Skip to real stuff.  My mom always says, just do it! Or was it Nike? Anyhow, I plan on actually just doing it. Like this guy! So I am going to challenge myself everyday. It’s 6:35 AM in the morning and I have been up… Read More »React – Lets start with a ‘Hello world’

OK, so here is hoping I blog for the next 365 days. Amen to that! Right now, it feels like in the process of making a real catapult, I’d end up with something like that Image was stolen from: http://www.instructables.com/id/Mini-Siege-Engines/