How to install Maven on Windows 10 In order to install maven on a Windows machine you will need to install JDK first as Maven is a Java based tool. If you are installing Maven 3.3 then you required JDK version 1.7 or above. If JDK is already installed on your Windows machine then you…
Partial Update in Elasticsearch Partial update in elasticsearch works same as updating whole document in Elasticsearch. This process retrieve the document, change it and reindex it again. In elasticsearch partial update is done through Update API. Update API also support scripting language to update a document. We can write our own logic in script like…
Spotting Trouble Before It Happens: How AI Shifts DevOps from Firefighting to Foresight We’ve all been there. It’s 3:00 AM, your phone is buzzing violently, and the PagerDuty alert contains a wall of cryptic text. By the time you log into the console, pull up the dashboard, and start digging through logs, the damage is…
Reverse a String in Python One of the most common Python interview questions is reversing a string. Python makes this elegant with slicing. The Pythonic Way def reverse_string(s): return s[::-1] # Example print(reverse_string(“hello”)) # Output: “olleh” How It Works The slicing syntax s[::-1] means: start from the end, go to the beginning, step by -1…
Securing Secrets in a CI/CD Pipeline The Problem with Secrets Here’s a scary truth: secrets are the #1 cause of breaches in modern software teams. API keys hardcoded in a .env file, passwords sitting in a GitHub repo, tokens copy-pasted into a pipeline config — it happens more than anyone admits. A CI/CD pipeline is…
How to increase or decrease replica in Elasticsearch You can change number of replicas in live Elasticsearch Cluster using Indices APIs update indices settings. Update number of replicas for all indices: curl -XPUT ‘localhost:9200/_settings’ -d ‘ { “index” : { “number_of_replicas” : 2 } }’ Update number of replicas for a single index or multiple…
Pod affinity in Kubernetes is a concept that allows you to influence the scheduling of pods in such a way that they are placed on nodes with other pods that have a specified label or set of labels. It helps in improving the performance and efficiency of your applications by co-locating related pods on the…
You can validate URL in PHP using regular expression or using validate filters Validate URL in PHP using regular expression: Example:- Validate URL using validate filters: Example:- Validate URL using validate filters with flag value: Flags:- FILTER_FLAG_PATH_REQUIRED : Requires URL to have a path in URL the domain name (like www.example.com/Orders/order/) FILTER_FLAG_QUERY_REQUIRED : Requires URL…
I know this is very simple things to do and specially if you are an expert developer 🙂 . But it will be better if we have all the steps in a single place. So here is the step by step guideline to set JAVA_HOME path in Windows 7 / Windows 8 / Windows 10….
Write a Program in Python to execute Bubble sort program What is Bubble Sort Program ? Bubble sort is a simple sorting algorithm that compares adjacent elements and swaps them if they are in the wrong order. It will compares through the list until the list is completely sorted. Let’s take this array “6, 1,…
