1. Index 1.1 Create Index Creating an index in ElasticSearch is like creating a database in a relational database.First we open postman to send the request. If you get this response, it has been successfully created. 1.2 View Index To view the shopping index, the command remains the same, except Read more…
Method 1: Using the default Software Centre In Ubuntu, the easiest way is to use the default Software Centre. Here you don’t have to do anything special. Just go to the folder where you downloaded the .deb file (it should be the Downloads folder) and double click on this file. Read more…
Request Line Every HTTP request begins with the request line.This consists of the HTTP method, the requested resource and the HTTP protocol version. GET /home.html HTTP/1.1 In this example, GET is the HTTP method, /home.html is the resource requested and HTTP 1.1 is the protocol used. HTTP Methods HTTP methods indicate the action that Read more…
LRU(Least recently used) eliminates data based on the history of accesses, with the core idea being that “if data has been accessed recently, it has a higher chance of being accessed in the future”. We can use the LinkedHashMap built in Java. Also, we can implement this by ourselves.
Method One: Use LinkedHashMap as cache and synchronized as lock. Method Two: Use BlockingDeque in JAVA
I have a directory ‘hello-docker’ as our project. And I’ll create a file ‘app.js’ in it with following cods. Now, let’s write our Dockerfile, which contains the instructions for packaging our application. Typically, we start from a base image. This base image has a bunch of files. We are going Read more…
There is an application. We take this application and dockerize it, which means we make a small change so that it can be run by Docker. How? We just add a docker file to it. A docker file is a plain text file that includes instructions that docker uses to Read more…
Download Docker Download Docker on https://docs.docker.com/get-docker/ 2. Install WSL2 Open Powershell as administrator and enter: Download the Linux kernel update package Set WSL 2 as the default version: 3. Install Linux distribution Open the Microsoft Store and select your preferred Linux distribution. 4. Restart Restart your computer and open Docker. Read more…