Author: tientham

Deploy angular app into server

1- You need to build your project using: ng build –prod If you see some problem while launching your website, maybe it is because your build is optimized and it misses some needed component. In this case, you would need to set: … “optimization”: false, … You can find this line inside: angular.json or .angular-cli.json …


Handy commands for working with server using terminal

1- This is to see ports and which application is running on which port sudo netstat -plunt 2- To restart apache server sudo service apache2 restart or /etc/init.d/apache2 restart 3- To check firewall status sudo ufw status verbose 4- To change port listen on Apache server vi /etc/apache2/ports.conf 5- To make new site for Apache …


Keep ssh session alive for amount of time

TienTham:~ tientham$ vi .ssh/config TienTham:~ tientham$ cat .ssh/config # — For timeout settings dev — Host * ServerAliveInterval 30 TienTham:~ tientham$ 30 is the second where you ssh client will send the request alive to your server (you can change as you want) * is for all host, you can replace it with your specific …


c# – Linq – JToken, JObject, JProperty, JArray

The JToken hierarchy looks like this: JToken – is an abstract base class JContainer – is an abstract base class of JTokens that can contain another JTokens JArray — represents a Json array (contains an ordered list of JTokens) JObject — represents a Json object ( contains a collection of JProperties) JProperty — represents a …


Font awesome naming convention

Here is some collections for working with font-awesome Source: https://fontawesome.com   1- Rotating icons <div class=”fa-2x”> <i class=”fa fa-font-awesome”></i> <i class=”fa fa-font-awesome fa-rotate-90″></i> <i class=”fa fa-font-awesome fa-rotate-180″></i> <i class=”fa fa-font-awesome fa-rotate-270″></i> <i class=”fa fa-font-awesome fa-flip-horizontal”></i> <i class=”fa fa-font-awesome fa-flip-vertical”></i> </div> Source: https://fontawesome.com/how-to-use/on-the-web/styling/rotating-icons 2- Sizing icons <i class=”fas fa-stroopwafel fa-xs”></i> <i class=”fas fa-stroopwafel fa-sm”></i> <i class=”fas fa-stroopwafel fa-lg”></i> …


nodejs – apache2 – digital ocean – setup server with port forwarding

Let’s assume that you have 2 nodejs applications which will run on 2 different ports 9900 and 8800. You would like to have your server forward request to those ports properly. Following steps will be useful: 1.Install apache on digital ocean server 2.Set ports.conf as follow vi /etc/apache2/ports.conf Listen 80 Listen 443 3. Create 2 …


JS: map – filter – reduce methods

This blog is going to show you some example about how to use map, filter and reduce methods. This can help you quickly remember how to use it so that you can apply to your project development (at least as I am doing now 🙂 ) A- MAP 1. Convert an array into another array …


Mongodb client – nodejs : Find methods

Here are some useful query to help you interact with mongo db in node js server 1.To find all documents var requestsColl = myDb.collection(‘requests’); requestsColl.find({}).toArray(function(err, requests) {    if (err)        return callback(err);    return callback(null, requests); }); This will return all document 2. To find all documents with filter var requestsColl = …


Mongodb Nodejs – Replace a value in array item from a nested object

If you have a document like this: {     _id: <value>    comments: [         {              commentId: 1              comment: <value>         },        {              commentId: 2     …


Carousel View – Bootstrap 4 and Angular 6

You would need something like this for working with Carousel view file.component.html <div class=”carousel slide “data-ride=”carousel”>   <ngb-carousel>     <ng-template ngbSlide>        <div class=”carousel-caption”>           <h3>First slide label</h3>           <p>Text 1.</p>        </div>        <img src=”/assets/images/img1.png”/>      </ng-template>   …