khushaalankhushaalan.hashnode.dev·Feb 11, 2025Clear DigitsYou are given a string s. Your task is to remove all digits by doing this operation repeatedly: Delete the first digit and the closest non-digit character to its left. Return the resulting string after removing all digits. def clearDigits(self, s: ...string
Suman Khatriphpcrud.hashnode.dev·Jan 26, 2025PHP CRUD Application: Step-by-Step GuideIn this blog, we’ll build a simple PHP CRUD application for managing employee records. CRUD stands for Create, Read, Update, and Delete, and this application will demonstrate all these operations using MySQL. project Structure config.php create.php d...158 readsPHP
Rahul Brahulblogs001.hashnode.dev·Jan 10, 2025Java Garbage Collection Explained: What You Need to KnowIntroduction In Java, memory management is an important aspect of application performance. One of the key features for managing memory automatically is Garbage Collection (GC). It eliminates the need for developers to manually manage memory allocatio...1 like·26 readsJava
Jayesh Wadhwanijayesh-wadhwani.hashnode.dev·Oct 19, 2024Finding Subarray Sums Equal to K: An Easy and Efficient ApproachHello,Lets continue our discussion in some points that will help you to understand better Problem Statement :- Given an array of integers nums_array and an integer k, we are tasked with counting the number of continuous subarrays whose sum equals k....DSA
pan30pan8a2.hashnode.dev·Oct 1, 2024Dreamhack - XSS 1Challenge này cho mình một trang web đơn giản với các trang như sau: Nhìn vào src code backend của trang web ta có thể thấy: Với /memo nó sẽ lấy giá trị của tham số memo và render ra trình duyệt. Với /vuln khi truy cập vào đây chúng ta có đây là mộ...Dreamhack
Derekcybergenii.hashnode.dev·Sep 25, 2024Andrea table:Rich React TableOverview This project is a reusable and customizable table component built for React applications. It provides advanced features such as sorting, filtering, pagination, CRUD operations, and remote data fetching. This component is designed to be flexi...React
Shani Riversshanirivers.hashnode.dev·Aug 26, 2024How to Convert Diagrams into Databases in 2 Easy StepsThis is part 2 of the off-platform Codecedemy Data Engineer project to build a database in PostgreSQL using Docker and Azure Data Studio. This post is to show how I built the schema using dbdiagram.io. Introduction When I was brushing up on my math i...dbdiagram
pan30pan8a2.hashnode.dev·Aug 23, 2024Micro-CMS v1 - EASY [WRITE UP]Challenge at here: https://ctf.hacker101.com/ctf Write up này mình sẽ note lại chi tiết quá trình mình giải quyết challenge này.Ở challenge này nó yêu cầu mình tìm ra 4 flag khác nhau. Flag-0 Sau khi truy cập mình nhận được 3 thông tin như sau Click...28 readsCTF
Md. Kaiyomkaiyom.hashnode.dev·Aug 2, 2024Find Out Your WiFi Network's Signal Strength and moreiwconfig This command let you see Signal level, Bit rate, tx-power, Link quality and many more information regarding your connected wifi network, which you can not view from settings > wifi. watch sudo iwconfig Only iwconfig will not give you all th...lenux
Kartik Dodareadyy.hashnode.dev·Jul 19, 2024Context API Simplified.Previously, I talked about why people encounter a lot of bugs and how to prevent them. Recently, I was exploring one of the most confusing topics in React: the Context API. My initial reaction was, "What's all this rubbish?" I thought I could grasp t...easy