Slimane amiar - Talamit

How to move a commit to another branch in git

sometimes you can forget to create a branch for a given feature and you have done a lot of work on that branch , so moving commits will save you from manually copying changes.

javascript

async setTimeout

let make setTimeout asynchronous: function setTimeoutPromise(cb, ms) { return new Promise((resolve) => { setTimeout(() => resolve(cb()), ms); }); } const someValue = await setTimeoutPromise(() => { console.log('Do you staf here '); return 'some value'; }, 4000); console.log(someValue); in Node.js from v16 we don't need to rewrite it as it comes natively with

docker

Docker clean log files

the log files of docker container are located in /var/lib/docker/containers/*containeNname*/*logFileName*-josn.log After a while of using docker, the log files becomes larger , so the need to empty the logs , to do so , we will truncate all the log files instead of deleting them , because

ember.js

Ember.js add a map to your application

map integration in an ember.js application by using OpenLayers library

linux

Linux (ubuntu) check which process uses a port

How to check which process is using a given port number in Linux using netstat command

node.js

Mongoose use multi-database

In some cases you need to use multiple databases based on some conditions , for example we have English content database and Arabic content database here is how to do that first make connection to a default database mongoose.connect('mongodb://localhost/default'); then in the model //models/userModel.js import

ember.js

Ember.js server side rendering

To allow search engines crawl your Ember.js website contents , you need to render the web page in the server side and serve HTML content the first time you load the application, then allow the JavaScript to take over once it has finished loading, to do that we will use

ember.js

Ember.js component multiple yields

Ember components how to pass multiple contents to a components using yield

docker

Remove unused docker images and containers

Remove unused docker images, containers and volumes

linux

Linux Ubuntu 22.04 clean journal log files

Commands to clean Ubuntu journal logs

node.js

Node.js rest API using express

Create a rest API using node.js and express.

ember.js

Ember.js integrate Paypal

Ember.js how to integrate paypal to accept payments on your website.

ember.js

Ember.js wait for model inside controller

To manipulate the model data inside the controller before printing it on the template you have to observe the model, when it is changed you call a function to update the data

git

Clear git credential cache

To clear git credential cache run the following command: git config credential.helper ""

next.js

PM2 run next.js project

To run Next.js project using pm2 use the following command # for development pm2 start npm --name "project-name" -- run dev # for production npm run build pm2 start npm --name "project-name" -- start The default port is 3000 , to change it add -p 'port number' in package.json : "dev": "next

git

Git apply .gitignore

First commit all your changes Then remove everything from the index git rm -r --cached . Add everything git add . Then commit git commit -m ".gitignore applied"

node.js

How to resize an image in Node.js

To resize an image we will use `sharp` package: npm install sharp --save Sharp provide the function `resize` which accept height and/or width as argument. If only height or width is provided then the other will be set accordingly to the aspect ratio. const sharp = require('sharp'); let inputFile

mongodb

Mongodb query data between a Date Range

Let say we have a collection called 'users' with the following schema: { name:String, birth_date:Date, } We would like to query all persons born from 01-01-1990 to 01-01-1991: db.users.find({birth_date:{$gte:new Date("01-01-1990"), $lt:new Date("01-01-1991")}})

linux

Increase System limit for number of file watchers

Check the number of max watched files cat /proc/sys/fs/inotify/max_user_watches Change the value of max_user_watches echo fs.inotify.max_user_watches=128000 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p Check if the value has changed cat /proc/sys/fs/inotify/max_

VIM

Vim Find and Replace

To search for the first occurrence of the string 'Hello' in the current line and replace it with 'Hi' : :s/Hello/Hi/ To replace all occurrences of the search pattern in the current line, add the g flag: :s/Hello/Hi/g To replace all occurrences of the search pattern

docker

How to Stop, Remove All Docker Containers and Images

To stop all Docker containers, run the following command: docker kill $(docker ps -q) If you get "permission denied", use : sudo docker kill $(sudo docker ps -q) To remove all Docker containers, run the following command: docker rm $(docker ps -a -q) To remove all Docker images, run the following

linux

How to install dig on ubuntu

Dig is a network administration command-line tool for querying the Domain Name System (DNS). To install dig run the following commands in the terminal. sudo apt update sudo apt install dnsutils