Posts

Docker details

Image
  touch Dockerfile # Use an official Ubuntu as a base image FROM ubuntu:latest # Set the working directory inside the container WORKDIR /app # Copy the current directory contents into the container at /app COPY . /app # Install any needed packages specified in requirements.txt RUN apt-get update && apt-get install -y \     python3 \     && rm -rf /var/lib/apt/lists/* # Make port 80 available to the world outside this container EXPOSE 80 # Define environment variable ENV NAME World # Run app.py when the container launches CMD ["python3", "app.py"] docker build -t your-image-name . to delete swp files :- find . -maxdepth 1 -type f -name ".*.sw[klmnop]" -delete docker ps  ; docker kill container_id docker ps -a ; docker rm container_id docker image ls ; docker rmi container_id  How to build image:- ------------------------------------------------ [root@pm Public]# docker ps CONTAINER ID   IMAGE       COMMAND...
Post a Comment
Read more

Exact location coordinates using javascript e.clientX - box.offsetLeft

  let   box   =   document . querySelector ( '.box' ) ; let   doc   =   document . body ; document . addEventListener ( 'mousemove' , ( e )=>{    x   =   e . clientX   -   box . offsetLeft ;    y   =   e . clientY   -   box . offsetTop ;    doc . textContent = x + ' ' + y ; } ) ;
Post a Comment
Read more

typing using javascript html css

Image
 <html> <style> textarea{   word-wrap: break-word;   white-space: pre-wrap;   grid:1   position:fixed;   z-index:1000; } body{   display: grid;   grid-template-columns: repeat(2,10vw);   grid-template-rows: repeat(2,10vw);   gap: 10px;   align-items: justify;   margin: 5px;   padding: 5px; } .output{   scroll-behavior: smooth;   height: auto;   width: auto; } </style>   <body> <textarea></textarea> <pre class="output"></pre> <div class="container"> <button class="activate">activate</button> <button class="clear">clear</button> </div>   </body> <script> let element = document.querySelector('textarea'); let destination = document.querySelector('.output'); let activate_btn = document.querySelector('.activate'); let clear_btn = document.querySelector('.clear'); let count=0; // event listener on activate butt...
Post a Comment
Read more

java on terminal

javac AnotherClass.java java AnotherClass src └── com     └── example         └── mypackage import src/com/example/mypackage/MyClass.java javac src/com/example/mypackage/MyClass.java
Post a Comment
Read more

Java List Methods

 List<Integer> list = new ArrayList<Integer>();  List<Integer> list1 = new ArrayList<Integer>(); list1.add(0,1); list1.add(1,2); list2.add(2,3);  List<Integer> list2 = new ArrayList<Integer>(); list.add(index,element); list1.addAll(index,list2); list.size(); list.clear(); // drop all elements from list list.remove(index); list.remove(element); list.get(index); list.set(index,element); list.indexOf(element); list.lastIndexOf(element); list.equals(element); list.isEmpty(); list.contains(element); list.containsAll(list1);   // boolean
Post a Comment
Read more

Java Generics

 public class Parent { public static void main(String[] args){ // generic class constructor  Test<Integer> list = new Test<Integer>(); list.setvalue(12); System.out.println(list.getvalue()); } } class Test<T> { // global variable of type T T objvalue; // method setter  public void setvalue(T objvalue){      this.objvalue = objvalue; } // method getter  public T getvalue(){      return this.objvalue; } } =====================================================  public class Parent { public static void main(String[] args){ // generic class constructor  Test<Integer> list = new Test<Integer>(12); System.out.println(list.getvalue()); } } class Test<T> { // global variable of type T T objvalue; // method setter  public Test(T objvalue){     this.objvalue = objvalue; } // method getter  public T getvalue(){     return this.objvalue; } }
Post a Comment
Read more

Java List Getter and Setter Methods Managing Data with Java Collections #java

Image
 https://studio.youtube.com/video/Zp8gEo5vPhw/edit
Post a Comment
Read more