What is cors in node js工作

...looking for a skilled developer well-versed in React, Node JS, and SQL to assist in finalizing a project that's mostly complete. The primary tasks will include integrating some missing functionality, conducting thorough testing, and constructing a few additional pages. Key Responsibilities: - Incorporate missing elements into the project, with a focus on enhancing filters and overall usability. - Implement specific filters: Date range filters, Category filters, and Custom keyword filters. - Test existing features to ensure optimal performance and reliability. - Build new pages as per project specifications. We'll discuss the entire project specification in detail over Teams or Zoom. Ideal candidates should have: - Proven experience in...

here is the rough draft we created for our website, we are planning to use webflow

I have a WAR file project that I need deployed on a Tomcat server running on an Ubuntu server. The WAR file deployment involves a shell script, Docker Compose, a JAR, and other configuration files. The final deployment needs to be hosted on a specific domain that I own. - I prefer to use the She...files. The final deployment needs to be hosted on a specific domain that I own. - I prefer to use the Shell script for deployment. - I have a Shell script ready for deployment. - I may need some modifications to the Shell script. I am looking for an expert who can assess my Shell script and make any necessary modifications to ensure a smooth deployment. The backend of project is in java and front end is in react/node js. Project ran successfully on lo...

I'm in need of a skilled 3D artist and Blender (or other mesh editor) expert to assist me in combining two non-overlapping meshes. This task may require some manual adjustments to ensure a seamless combination. The purpose of this combined mesh is for visualization in a research context. There are two meshs: - The scalp mesh (this can't change) - The face-head mesh - this can change. Bascially I'm trying to put the scalp (which is from a real person) onto a generic head. The way they are combined does not have to look good. The program I am using requires it to be a full mesh (no holes). Ideal candidates for this project should have: - Exceptional skills in Blender - Experience with 3D mesh manipulation - A keen eye for detail...

...looking for a skilled web developer with expertise in NODE js and Laravel PHP to help enhance my drinks website. Key areas for improvement: - Blog Uploads: The primary goal is to make the blog upload process easier for non-technical users. Any enhancements that can simplify this process would be highly beneficial. - Dashboard: The user interface design of the dashboard needs some work. I'm looking for someone who can improve its usability, making it more intuitive and user-friendly. - User Permissions: I need assistance with managing role-based access control. This will involve setting up different permissions for different user roles. Improve a few pages with basic changes of content.. Ideal skills for this project: - Proficiency in NODE...

i need a predictor app for a game in website, its aviator game, i need to know the flew away in advance so I need a tool or apk to predict that flew away

...Enhancement in OPNET Modeler ________________________________________ Overview: This project involves modifying the Dynamic Source Routing (DSR) protocol in OPNET Modeler 14.5 to include additional functionalities. The goal is to pass sensor metrics (Oxygen Level, Heartbeat, Blood Pressure) from a destination node back to the source node via Route Reply (RREP) messages. The required changes have been partially implemented, with variables and structures added in specific files, and a topology set up. The next steps involve debugging and completing the implementation to achieve the desired output. ________________________________________ Requirements: 1. Environment: o OPNET Modeler 14.5 (Educational Version) o Programming in C 2. Tasks: o ...

sorry this is low budget project but is permenent just for who want to build their review. reactjs js and typescript permanent job i will give you ai cluade paid version share to you. Payment: - first 5 bugs USD 10 - rest of bug USD 3 per bugs - explain why the bug cause. - found bug usd 1. 1. you need to share you anydesk i will login claude for (type 232 to prove you read my message in first line of your proposal)you in your computer. 2. share your github username to callaborate. 3. any one disconnect 48 hours without notice will consider you no longer work with me.

I'm in need of a skilled React JS developer to create a Single Page Application (SPA). The application will require integration with a REST API for backend services. Ideal skills and experience for this job include: - Expertise in React JS and SPA development - Proficiency in working with REST APIs - Strong understanding of JavaScript, HTML, and CSS - Experience with responsive and adaptive design - Ability to troubleshoot and optimize SPA performance - Familiarity with version control systems, preferably Git Please note, the specifics of the application features are yet to be defined. Therefore, flexibility and creativity in proposing potential features will be appreciated.

I am doing a research topic about "What drives a high involvement purchase decision and the comparison between young and old buying a car in Singapore" Please refer to attach for more details.

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...developed a working prototype of a maths puzzle website. I'm in need of a UI developer/designer who can enhance the site's visual appeal, making it presentable, responsive, and attractive. Key Responsibilities: - Improve the visual appeal of the website - Implement smooth navigation for an effortless user experience - Incorporate interactive elements to engage users - Use CSS, HTML, and JS to create appealing animations like hover effects, page transitions, and element fade-ins The ideal candidate should have a strong portfolio showcasing their UI/UX work, particularly in the realm of visually appealing designs. A proven track record of creating interactive, user-friendly websites is essential. Excellent skills in CSS, HTML, and JS a...

I'm seeking a full stack Moodle developer with expertise in theme customization. I have specific design inspirations I want to incorporate into the Moodle theme. Key Responsibilities: - Implement layout changes according to provided examples - Custom development to meet specific requirements - Apply custom CSS/JS for tailored functionality and aesthetics Ideal Skills: - Extensive experience in Moodle theme customization - Proficient in CSS/JS with a strong attention to detail - Able to interpret and implement design examples accurately

I'm seeking a dedicated website checker, available either part-time or full-time. This role offers the best salary package for the right candidate...dedicated website checker, available either part-time or full-time. This role offers the best salary package for the right candidate. Key Responsibilities: - Monitor the performance and speed of our corporate website, identifying areas for improvement. - Identify and report any security vulnerabilities, ensuring the utmost safety for our users. Ideal Candidate: - Proficient in analyzing Custom HTML/CSS/JS websites - Experienced in performance testing and security auditing - Able to work independently and deliver consistent results. If you're a meticulous professional with a knack for website quality assurance...

I'm seeking a skilled SharePoint developer with strong expertise in SPFX and React JS. I need assistance with a one-page customization in SharePoint. Specific Requirements: - After clicking a button, a form should open in a modal popup - The form in the modal popup will display user data Ideal Skills: - Proficient in SharePoint SPFX - Experienced in React JS - Strong understanding of SharePoint page customization - Good at implementing modal popups and buttons - Able to work with and display user data in a form

I'm seeking an experienced React JS developer to create a waterfall chart that pulls data from an API endpoint. Key Requirements: - Custom column widths - Unique headers for each column - Text displayed above each column and inside Ideal skills for this project include proficiency in React JS, experience with data visualization, and a strong understanding of interactive web elements. The ability to interpret and implement API data and create a user-friendly, visually appealing chart is crucial. Please provide examples of previous similar projects in your bid.

I'm looking for a developer to create a 3x3 Sudoku game using P5.js, HTML, CSS, and Javascript. The game should include all levels of difficulty: Easy, Medium, and Hard. Key Features: - The game should have a timer that counts up from zero. - Sound effects should be incorporated into the game to enhance the gaming experience. Ideal Skills and Experience: - Proficient in P5.js, HTML, CSS, and JavaScript. - Experience in game development. - Sound design skills would be a plus.

I need a simple, effective, server-side, and non-JavaScript front-end for a verification process without site reloading. The process will consist of six circular input fields, and there wil...server-side, and non-JavaScript front-end for a verification process without site reloading. The process will consist of six circular input fields, and there will be no submit button. After each field is filled, a new dynamically generated image should appear for that field. Once all fields are filled, a text message should display whether the verification is valid or invalid based on the entered text (letters/numbers) and the generated images. If the input is invalid, the image and fields should be restored, and the process should start from the beginning. Please share the link ...

I'm...skilled developer or team to help create a comprehensive Fintech B2B web and app. The platform is designed to streamline mobile recharge and payments, with various user roles including Admin, Sub Admin, Support Staff, Sale staff 1-2-3, Master distributor, Distributor, Retailer. Key responsibilities will include: - Implementing mobile recharge and payments functionalities accessible to Master distributors, distributors, and retailers. - Developing key features such as real-time transaction tracking, notifications and alerts, and detailed finance reports. Ideal candidates will have: - Extensive experience with Reactjs, Node js, Express, MySQL/MongoDB, and React Native. - Proven track record in developing B2B fintech platforms. - Ability to deliver a...

I'm looking for a skilled front-end developer to create a reactive front-end. This project is unique as it needs to function on browsers without JS client-side enabled. Key Requirements: - The front-end needs to support dynamic content updates and interactive user interface elements. - The styling should be done using a CSS Framework, such as Bootstrap or Tailwind. - Experience with server-side rendering is crucial, as well as a solid understanding of creating UI for non-JS environments.

I'm looking for a skilled web developer with expertise in NODE js and Laravel PHP to help enhance my drinks website. Key areas for improvement: - Blog Uploads: The primary goal is to make the blog upload process easier for non-technical users. Any enhancements that can simplify this process would be highly beneficial. - Dashboard: The user interface design of the dashboard needs some work. I'm looking for someone who can improve its usability, making it more intuitive and user-friendly. - User Permissions: I need assistance with managing role-based access control. This will involve setting up different permissions for different user roles. Ideal skills for this project: - Proficiency in NODE js and Laravel PHP - Experience with ...

I'm seeking a proficient developer with extensive experience in Laravel for the backend, JS for the frontend, and Flutter for mobile applications. I have a functional codebase that requires editing and the addition of new features. My budget ranges from $1000 to $1500+, contingent on the scope and quality of the work. Key Responsibilities: - Primarily contribute to the Laravel backend - Implement database integration - Develop APIs - Enhance authentication methods Skills and Experience: - Extensive expertise in Laravel - Proficient in JS and Flutter - Prior experience with database integration, API development, and authentication improvements - Ability to work with comprehensive existing documentation

...website, mobile responsive (design ready in Figma) - Responsive pie chart, SEO optimized - Implementation of a payment gateway (provider Comgate, PHP implementation) - Backend database that will keep track of successful payments and will add monthly reports to the website (simple structure, the exact look is in the Figma file) Please ensure you can integrate the specified payment gateway () and refer to the Figma design here for layout specifics: The payment gateway provider requires the website to be done before it provides API keys. Therefore, the front-end is the first thing I need you to do. Since the website front-end is pretty simple, I expect you to be able

...seeking an experienced individual contributor to join my existing digital team. We need to transform a ready design into a dynamic, multilingual news website using React JS and Adobe Experience Manager (AEM) Java. Key Responsibilities: - Convert a pre-designed static website into a dynamic, interactive user experience. - Implement multilingual support seamlessly throughout the site. - Use AEM to manage and deliver content efficiently. Ideal Skills: - Extensive experience with Adobe AEM and React JS is a must. - Proven track record of building dynamic, interactive websites. - Experience with implementing multilingual support in a website. Specific Content Management Features: - You will be working with components and templates. - AEM will be used to manage ...

looking for an experienced Laravel developer to modernize my existing Laravel 5.6 project while ensuring backward compatibility with the current database. The project includes business logic such as creating and managing projects, tasks, and other related features. The primary goal is to: Upgrade the project to the latest Laravel version (currently 10.x). Create robust, secure, and well-documented APIs to integrate with a React frontend. Project Requirements 1. Upgrade Laravel Version Upgrade the current project from Laravel 5.6 to Laravel 10.x. Ensure compatibility with PHP 8.x, as the project currently uses PHP 7.1.3. Update the following dependencies or suggest replacements if no longer supported: barryvdh/laravel-dompdf doctrine/dbal intervention/image jrean/laravel-user-verif...

...Maintain dual-axis layout as shown in reference image Mobile: Axes should reorganize appropriately for smaller screens All elements must remain clear and readable at all viewport sizes Visual Elements: Circular nodes for each service point Connecting lines showing flow between services Overlapping effect with semi-transparent elements Color scheme matching provided design (blue background, white circles, yellow-green connectors) Technical Specifications: CSS Flexbox preferred, but open to alternative solutions if better suited Clean, maintainable code Proper integration with Bricks Builder Cross-browser compatibility Performance optimization Accessibility compliance Deliverables: Complete code implementation within Bricks Builder Documentation of any custom CSS/JS used ...

I need a seasoned Vanilla JS developer to integrate Google Single Sign-On into my app, fix the issues with the side navigation, and implement collapsible sections in the sidenav. Key Tasks: - Integrate Google authentication for a seamless Single Sign-On experience. - Troubleshoot and rectify layout problems in the sidenav. - Fix broken navigation links in the sidenav. - Upgrade the sidenav to include collapsible sections. Ideal Skills and Experience: - Proficient in Vanilla JS with a strong portfolio of similar projects. - Experience with Google authentication integration. - Strong problem-solving skills for UI/UX issues. - Familiarity with creating interactive, user-friendly components.

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To Do: I have an app in WPF C# that uses feeds in Node.Js API for some Json document and layout. My App doesn’t generate properly the rendering of the documents Invoice, Bill, Purchase Order, Sale Order You need to look at some models document online, to be able to fix the code. What I provide: - Code sharing on Github Technical Knowledge: - Good knowledge of WPF, especially sizing and calculation of the elements - Good knowledge of C# - Good knowledge of Json Functional Knowledge: - Good communication - Functional knowledge of Invoice, Bill, - Functional knowledge of Documents Header, Footer, Details Requirements Environment: - C#, WPF, Windows 10, Node JS, Visual Studio 2022 - Account with GitHub for sharing Important, I don’t ...

I need an experienced programmer to update my mailing script so that it integrates smoothly with my custom CRM, which is built with PHP and JavaScript. Key Requirements: - Modify the existing mailing script for compatibility with a PHP and JS-based CRM. - Generate comprehensive reports on sales performance, click-through rates, and open rates from the mailing data. Ideal Skills: - Proficient in PHP and JavaScript. - Prior experience with CRM integration. - Excellent understanding of email marketing metrics. - Able to create clear, concise reports.

Proposal: This quote outlines the work required to fix the cross-domain functional...seamless user registration functionality across domains with different server configurations. 2. Autologin: Implement a secure and efficient autologin mechanism for users navigating across subsites. 3. Cross-Domain Compatibility: Resolve issues related to cross-domain cookie handling, session sharing, and storage communication. 4. Optimization: Improve error handling, logging, and security (e.g., CORS headers and cookie attributes). 5. Testing: Test the plugin on provided test domains and subdirectory structures to validate functionality. Deliverables: • Fully functioning SSO plugin with fixed user registration and autologin for cross-domain usage. • Updated plugin code with enhance...

I'm in need of a skilled programmer to create a copy trading bot tailored for the cryptocurrency market. The bot should be compatible with Raydium, , and on-chain trading. Key functionalities to do: - Every millisecond counts - the bot has to be fast, which means the code has to be well-thought-out - Create a bot that track solana node and send copy tx by gRPC - Filters for copy trading like min. mcap, liquidity, burned LP etc. Ideal Candidates: - Strong programming skills, particularly in Rust - Experience with cryptocurrency trading bots - Knowledge of solana blockchain

Type "Riyal" so ik you are not bot and i will ...i will send u msg I'm looking for a skilled React or developer who can convert my traditional HTML/CSS/JS files into a project. Please note that I am looking for a freelancer/developer and not an agency with high quotes. Do not ask for budget, just provide your quote and turnaround time. Key Requirements: - Proficient in React and - Experience with converting HTML/CSS/JS to - Ability to work independently as a freelancer - Familiarity with adhering to specific design or style guidelines Additional Information: - I do not have any existing backend or APIs that need to be integrated - The project is fully static, so no complex state management is needed - I have a design or style guide t...

I'm facing a problem with my interactive proposal form, built with Custom HTML/CSS/JS, on my website. The form is failing to submit correctly when utilizing the UK post code and address function linked to Postcodes.io. The ideal freelancer for this project should be: - Proficient in Custom HTML/CSS/JS - Experienced with integrating and debugging form submissions with postcode and address functions. - Familiar with API. - Able to provide efficient and effective solutions to ensure the form submits correctly. Please note, this project requires immediate attention.

I am in need of an experienced IT professional to setup a Linux server for me. The specific configuration requirements are as follows: - Linux Distribution: Ubuntu - .NET Version: Please install .NET Core 3.1 - MySQL Version: I require MySQL 8.0 - React - Node JS Server - MongoDB instance This server will be hosting a React application with a database connection. It is crucial that the setup is done correctly to ensure smooth operation of the server and application. Ideal Skills: - Extensive knowledge and experience with Ubuntu - Proficient in .NET Core 3.1 - Familiar with MySQL 8.0 - Experience in setting up servers for React applications - Strong problem-solving skills to troubleshoot any issues that may arise during setup.

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I'm looking for a senior HTML/CSS/JS / React.js developer to help with creating and editing web page (landing pages, admin page, blog page ) This role will be primarily focused on weekends, so perfect for someone looking to supplement their weekday work. Key Responsibilities: - Create new landing pages - Edit existing landing pages Ideal Skills and Experience: - Senior level expertise in HTML, CSS, and JS - Prior experience with landing page development - Weekend availability I can hire you at 4$ / hours. If you're free to start immediately, please reach out. Thank you.

We are seeking a skilled developer with expertise in blockchain development to build a high-performance arbitrage bot. The bot should operate within decentralized exchanges (DEXes) on the Binance Smart Chain (BSC) network. Key Requirements 1. DEX Integration: • The bot must support any DEXes on BSC. • It should work with all trading pairs available. 2. Arbitrage Features: • The bot must use both own funds and flash loans from AAVE to maximize arbitrage opportunities. • A minimum of 1,000,000 arbitrage opportunities per day should be identified and exploited. 3. Smart Contracts: • All necessary smart contracts for the bot’s operation must be developed and deployed as part of this project. 4. Data Integration: • The bot will be integrated...

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I am looking for a professional with experience in PHP, HTML, Js and Mysql for a web-based MVC project. The project is to develop an inventory system Key functionalities include: - User registration screen: User must be able to enter their full name, username and password. - Login: Allows users to enter their username and password. - User permissions - User authentication - Alerts and notifications section indicating when products are about to run out and login - Quotations - Add customers - Add suppliers - Make sales - Create reports - Create sales tickets - Dashboard Candidates must have substantial experience in MVC architecture and the mentioned technologies. Due by 06 January 2025

...a script that is causing performance issues. The primary purpose of this project is to identify and fix bugs that are affecting the script's efficiency. Key Areas of Concern: - Loading Data: The script seems to struggle with data loading, which might be causing slowdowns. - User Interactions: There are noticeable lags during user interactions, indicating potential issues in this area. - Rendering Components: Performance dips are also apparent when rendering components. Ideal Skills: - Proficiency in JavaScript and experience with script debugging and reverse engineering. - Strong analytical skills to identify performance bottlenecks. - Ability to implement effective solutions to improve script performance. Experience with optimizing scripts for enhan...

Title: Freelance Developer Needed for Stripe Integration with 3D Secure in Project Description: We are looking for a freelance developer experienced in to integrate a payment system with support for 3D Secure (3DS) into our Pre Check-in platform for vacation rentals. The main goals are to securely collect user information and process payments in compliance with current standards. The project will be deployed on Vercel. We currently use native components but are open to implementing React if needed for an efficient Stripe integration using libraries like @stripe/react-stripe-js. Responsibilities: • Set up and deploy Stripe’s Payment Intents API in the backend using Next.js. • Build a secure payment form on the fro...

...SIM7080 Integration Hello I am looking for a developer to create a complete firmware solution based on the following hardware and requirements: Hardware: • ESP32-C3 • SIM7080 Module • Motor Controller • Two Limit Switches System Requirements: 1. BLE Mesh Implementation: • Develop a BLE Mesh system with client-server architecture. • Each server node must function as a relay. 2. Command Flow: • I want to send a command to the client node via the SIM7080 module. • The client should broadcast the command to all server nodes. • Each server will relay the command further until the entire mesh network has received it. • Once all servers confirm receipt of the command, I should receive a confirmation on my phone via...

He is payment for 2 task

my website is if u are interested check the photos to see the current website speed and tell me what best result u can get and the time u will spend on the project lmk what best u can do to improve load time and make website faster on mobile and desktop Desktop and Mobile Optimization: Ensure fast load times and smooth navigation across all devices. Code and Theme Optimization: Optimize the existing Shopify theme, minimize unnecessary code, and implement best practices for speed. Image and Media Compression: Efficiently compress images and media files without compromising quality. App and Plugin Audit: Identify and remove any unnecessary apps or plugins affecting performance. Performance

I'm looking for a skilled professional to set up the web version of my application, which is built with Next JS v14.0.3. The ideal freelancer should have: - Extensive experience with Next JS and its latest version - Strong skills in web application development - Familiarity with setting up user interactions and third-party integrations. Please note that detailed specifics about the application's purpose and integrations will be provided after initial contact.

I need to fix aws issue on nodejs

I'm...create a Content Management System (CMS) using React, Node, and MySQL. The system needs to support user authentication, content editing and publishing, as well as media management. Key Requirements: - Implement a CMS that is user-friendly and efficient - Include robust user authentication to secure the platform - Develop features for content editing and publishing - Incorporate media management capabilities User Roles: The system should support three specific user roles: Admin, Editor, and Viewer. Each role should have appropriate permissions and access levels. Ideal Skills: - Proficient in React, Node, and MySQL - Prior experience in developing a CMS - Strong understanding of implementing user roles and permissions - Expertise in c...

Hello, I look for a marketing strategist to help me launch a business. The contest's purpose is to select who will be the person to accompany me in this adventure. The single deliverable of this contest is a Word document, containing: - Branding: What feelings and associations? Why? + some ideas of name, slogan, logo (no image require, just description), colours, serving this purpose. - Product: What features should the product include? What should the user journey be (in-Word high-level commentary of the Figma mockup? Why? + Some ideas of features like ability to compare your tariff to other users's. - Promotion: What marketing channels to use? Why? - Pricing: How should the service be priced? Why? Below a description ...