W3c validation työt

...Expertise in Laravel: The developer should have strong proficiency in Laravel framework and HTMl to seamlessly integrate the PhonePe callback URL into the existing backend infrastructure. PhonePe Integration Experience: Prior experience in integrating PhonePe payment gateway or similar third-party payment systems is highly preferred. Familiarity with handling transaction callbacks and response validation is essential. API Integration Skills: The developer should be well-versed in working with APIs and implementing callback mechanisms to process transaction notifications from PhonePe securely. Security and Error Handling: Ensuring secure handling of sensitive transaction data and implementing robust error handling mechanisms to manage edge cases and ensure smooth operation of the ...

I'm in need of an expert with skills in HTML and JavaScript to optimize a script for my personal website. The site is dedicated to a 'Programming Languages' mobile assignment and currently, it requires an upgrade. Requirements: - Profound knowledge of HTML and JavaScript and php - Must be capable of form validation - Understand how to implement interactive animations - Experience in data visualization is a plus Your role in this project will be to ensure the site runs flawlessly while maintaining clean and efficient scripting. I want to appeal to users with a seamless navigational experience and this is where your expertise comes in. Please bid if you are able to bring these requirements to life and let's give this website the upgrade it needs.

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...technologies for precise voice input recognition and realistic voice output. - Contextual Dialogue Management: Utilize basic natural language processing to enable the AI to generate relevant follow-up questions and responses based on the ongoing conversation. - Interview Summarization: Develop the capability to automatically generate concise summaries of the interview's key points. - Summary Validation: Allow users to review and approve or modify the summary to ensure its accuracy and relevance. Technical Specifications: Platform Compatibility: The prototype should function on at least one major mobile operating system (iOS or Android), integrating effectively with its native or third-party voice capabilities. Performance Benchmarks: Establish criteria for evaluating the ...

...Highlights of the tasks that need to be implemented include: - The main objective: simulate a robotic unit that identifies infected chickens and marks them with paint for easy identification. - Implementing inverse kinematics for controlling and manipulating the robotic arm. This aspect is significant as it will be used to simulate painting on the target - the identified infected chicken. - Validation of this simulation will require demonstration of effective use of inverse kinematics in creating realistic, smooth movements for the robotic arm while it performs its marker task. Ideal candidates should have substantial experience with simulation projects and a strong understanding of inverse kinematics for robotic controls. Those with a background in agriculture or related fiel...

I'm seeking an experienced ASP.NET MVC freelancer to upgrade and enhance the form validation and error handling of my application. The main tasks include: - Retaining attachments: If there are any validation errors, the user must still be able to keep the attached file in the form. To be successful in this project, you need to have a strong understanding of ASP.NET MVC, form validation, and error handling. Your work will improve my application's user experience significantly. Looking forward to your proposals.

...maintain data pipelines using Azure Data Factory to ingest, transform, and load data into data lakes. • Implement and optimize data processing workflows using Azure Databricks for efficient data manipulation and analysis. • Collaborate with cross-functional teams to understand data requirements and design solutions that meet business needs. • Ensure data quality and integrity by implementing data validation and cleansing processes. • Monitor and troubleshoot data pipelines to identify and resolve issues in a timely manner. • Develop and maintain documentation for data engineering processes, standards, and best practices. • Stay updated with the latest trends and advancements in Azure data technologies to continuously improve our data solutions ...

...The paper should be well-researched and informative - Detailed coverage of soil behavior under cyclic loading - Thorough examination of shear modulus reduction and damping in this context The ideal candidate for this project would have: - A strong background in geotechnical engineering or a related field -A strong background in FORTRAN and writing UMAT subroutines for ABAQUS software. -Good in validation of the model with literature. - Extensive experience in conducting and writing scientific research - Proficiency in soil behavior modeling and its associated principles under cyclic loading. - Excellent writing skills to present complex technical information in an easily understandable manner. Your ability to dissect this technical information and present it in a coherent, info...

I am looking for an expert to assist in developing a precision landing system for an ArduPilot drone using a specific camera model. 1. Integration of Camera System: Utilize a high-resolution camera to capture...specific camera model. 1. Integration of Camera System: Utilize a high-resolution camera to capture real-time images for landing guidance. The camera is already configured on the drone, and we aim to use visual cues (specifically, an ArUco marker) for precise landing. 2. Code For onboard computer: Code to process visual data and execute precision landings autonomously on rpi4 . 3. Testing and Validation: Conduct rigorous tests to ensure the system's reliability and accuracy in various operational scenarios. We expect this project to be completed within 1 weeks from ...

Please read the entire job post, before you bid. I'm in urgent need of a skilled PHP developer to create a comprehensive user registration form for a website. The form should feature essential capabilities such as: - User Registration: The form should allow users to register for the website in the MySQL. - Data Validation: The form should include robust data validation to ensure that all fields are correctly filled in. - Email Confirmation: Following registration, an email confirmation system should be in place to confirm the user's email address. Notes: User selects a username, this must not be in the DB already. Email and phone should also be unique in the DB. Also there is a need to check if the username of a referral exists in DB. Page design is done, no wo...

I'm in need of a skilled Laravel developer who can help fix and improve the frontend and backend aspects of ...improved. The main issues are related to typography, font styles, as well as the color scheme and branding. The ideal candidate should have a good eye for design, be able to create a visually appealing user interface, and ensure consistency throughout all pages. - Additionally, the backend functionality of the project needs to be revised and fixed. The main issues are related to data processing and validation, as well as API integrations. Strong Laravel skills and experience in working with APIs are required for this task. If you are a Laravel expert with a keen eye for design and a solid understanding of backend development, please reach out. Your help will be great...

I'm in need of a freelancer who can automate my Excel spreadsheet to increase efficiency and accuracy in data entry and analysis. Key Duties: - Automate data input, validation, and manipulation - Perform calculations and formulas automatically - Generate reports and summaries for the data Ideal Skills: - Proficiency in Excel - Excel input form design - Previous experience in automating data entry processes - Understanding of data manipulation

I'm experiencing problems with the functionality of a small few paged website, that has recently been migrated to a new server. The form used to use a 3rd party validation and it just needs removing to allow the form to post propertly. Code is stored in bitbucket - setup with a pipeline.

I'm in need of a PHP developer who can help me structure and process JSON data sent via webhook. Key Requirements: - The JSON data needs to be trimmed based on a specific pattern before sending it to another API. Ideal Skills: - Proficiency in PHP - Strong understanding of JSON data structures - Experience with API integrations - Knowledge of data validation techniques, particularly in ensuring data matches specific patterns - Familiarity with webhook processing The primary output of this project should be a trimmed JSON data ready to be sent to another API. The ability to implement this in a secure and efficient manner is crucial.

I'm seeking an experienced developer proficient in PHP Laravel for backend operations and Tailwind CSS and Vue.js for frontend tasks to enhance my webapp's functionality. Key Task: - automate Facebook sharing validation. Job Features: - Implement an auto-validation function using Facebook API to verify whether a shared content from the webapp to Facebook has actually been posted. - link this validated action with a coin reward function within the webapp. The goal is to validate if the content was actually reshared by our user before our system award them coins Separate the frontent input coin by adding new column Required Skills : - Expertise in PHP Laravel, Tailwind CSS, and Vue.js - Proven experience with Facebook API - Familiarity with developing reward mec...

I'm in need of expertise to manually install domain-validated SSL certificates for my domain and its five running ports of Node.js. The following outlines my requirements: - Install SSL certificates on each of the five Node.js ports manually. - The SSL certificate to install should be of 'Domain Validation' type. This project requires: - Strong knowledge and experience in SSL certificate installation. - Familiarity with Node.js and its ports.

I'm looking for a Google Sheets expert to help with the following tasks: - Implementing formulas for summing and averaging data - Applying conditional logic for data analysis - Setting up conditional formatting for better data visualization - Creating data validation rules for accurate data input - Designing custom charts and graphs for enhanced data representation. The ideal candidate for this project should have a strong background in Google Sheets and data analytics. Experience with complex formula implementation and data visualization is a plus. Being detail-oriented is crucial, as accurate data handling is a key aspect of this project.

...tokens, to prevent unauthorized access. 5. Input Validation and Sanitization: To mitigate the risk of security vulnerabilities, the application will implement strict input validation and sanitization techniques. This section emphasizes the importance of validating user input to prevent common vulnerabilities, such as SQL injection and cross-site scripting (XSS) attacks. 6. Secure Transaction Processing: The application will incorporate secure transaction processing mechanisms to ensure the integrity and confidentiality of financial transactions. This section discusses the implementation of secure communication protocols, such as HTTPS, to protect sensitive data during transit. It also highlights the need for transaction validation and auditing to maintain a ...

...Performance Optimization: Implement code splitting, lazy loading, caching strategies, and image optimization to enhance website loading speed. Accessibility: Ensure website elements comply with WCAG guidelines for optimal usability by users with disabilities. Security Best Practices: Regularly update dependencies to address security vulnerabilities, implement secure coding practices (e.g., input validation, CSRF protection), and consider HTTPS for data encryption. Testing: Establish a robust testing strategy (unit, integration, end-to-end) to ensure code quality and prevent regressions. Content Management System (CMS): Evaluate the benefits of a CMS (e.g., WordPress, Drupal) for easier content management, especially if the website content is dynamic. Enhancing Existing Website P...

Website on Wordpress License key generator with DB API for Excel Template connecting to DB for license key validation. Dashboard for administrator enter buyer/customer account credetials. The administrator must be able to enable and disablle accounts. Update Excel Template LicenseValidation code for connectiing to API/DB. I will privide this Excel Template code file.

I'm seeking help to create a landing page that will serve as a tool for validating a market opportunity. Key Requirements: - The prima...to verify the potential of a specific market opportunity. - I would like the landing page to be designed in a way that it can be measured effectively - both in terms of interest generation and data collection for market validation purposes. Ideal Freelancer: - Experience in designing effective landing pages for market research purposes. - Proficient in using analytics tools to monitor and interpret landing page metrics. - Ability to understand market potential and design a page that effectively communicates with the target audience. - Prior experience in market validation through landing pages would be a plus. I look forward to your...

I am in need of a dynamic individual who is proficient with React and Yup to develop an array list for the purpose of validating form submission data. The specific fields that need to be validated are not defined as of yet, so I would require flexibility in incorporating changes as needed. Past experience and extensive knowledge of using Yup with React is essential for this task, as is a...with React and Yup to develop an array list for the purpose of validating form submission data. The specific fields that need to be validated are not defined as of yet, so I would require flexibility in incorporating changes as needed. Past experience and extensive knowledge of using Yup with React is essential for this task, as is a detail-orientated focus to ensure accurate and efficient input valid...

I'm in need of a skilled freelancer who can implement a biometric signature solution for document validation. Key Project Details: - Purpose: The primary goal of this system is to validate electronic documents, particularly contracts and agreements, using biometric signatures. - Integration: I do not require integration with any existing systems. The system will be standalone. Key Skills and Experience: - Proficiency in biometric signature technology. - Experience in developing systems for document validation. - Understanding of legal and security requirements pertaining to electronic signatures. The successful candidate will need to ensure that the system is user-friendly and effective at validating the authenticity of the electronic documents. Please include releva...

I have an existing Go app a URL validator, which is currently set up...and make it more accurate by allowing it to check the entirety of a URL, even if it is not initially parsable. What you'll need to do includes, but is not limited to: - Update the URL validator to check full URLs even if its not parsable . - Troubleshoot and resolve any issues that arise from these updates Ideal Skills & Experience: - Go Programming Language - Debugging - URL Parsing - URL Validation If you have notable experience in Go development and URL handling, you're the perfect fit for this project. Please do include instances where you've worked on similar projects or tasks in your proposal. i only set $10 budget for this small project it , it should takes few moments if you are an...

I am currently running my vendor payments process using a combination of Excel, MS Forms, and Power Automate. I'm now seeking an expert to transform and advance this process using options such as Sharepoint List and Power Apps. The mission encompasses three critical areas: • Automating data entry and validation: Reducing manual input ensuring that the data fed into the system is accurate and up-to-date. • Approval workflow: A simplified yet efficient approval process ensuring no delays or oversights. • Payment generation: Timely and well-coordinated payment processing for a smooth and organized operation. Capabilities Required: • Handling high volumes: I am dealing with more than 50 vendors. So, proficiency in handling such a scale is a must. For the ...

I'm looking for an experienced SQL Developer with a strong background in MS SQL and data warehousing. You'll be responsible for designing and optimizing a new database system. The project involves working with Microsoft SQL Server Anal...Analysis Services - Ideal Candidate: - Strong experience in database design and optimization - Proficiency in SQL, specifically with Microsoft SQL Server - Familiarity with data warehousing concepts - Experience with Microsoft SQL Server Analysis Services - Experience working in an Azure SQL environment - Expert coding skills in SQL coding - E,perince in Data warehouse like Data profiling, Data Validation, Data Quality etc.. This project is a great opportunity for a SQL developer looking to showcase their skills in building and optimizi...

I am in need of a seasoned Microsoft Access developer to create a comprehensive database solution for my business needs. Key Project Details: - I require a robust da... - It should have advanced error-checking capabilities to ensure data integrity. - Reporting and analytical functionalities are essential for tracking business performance and making informed decisions. Ideal Skills and Experience: - Proficiency in Microsoft Access and database design. - Strong track record of developing complex databases with user-friendly interfaces. - Experience in data validation, error checking, and report generation. - Excellent understanding of business processes and needs for effective database incorporation. Note that no integration with external systems or databases is required for thi...

I'm in need of a WPF form specialized in number validation, focusing primarily on calculation purposes. This project will feature: - Data input and validation: The functionality should allow the user to input various numerical data. Upon entry, this data should be automatically validated through programmatic checks to ensure the data's integrity and accuracy. - Number validation: The system should primarily handle numerical data. The data validation and integrity checks should revolve around whether the input is a valid, usable number. Additionally, there may be specific rules around what constitutes a 'valid' number dependent on the specific calculations that will be done. - Calculation purpose: The primary objective of this project is to...

...developer with experience in creating dynamic user interfaces and implementing rigorous data validation rules. Your task would be to: - Develop a user-friendly interface with a modern and minimalistic design - Implement numerical data validation - Connect the system with an existing MySql database and create three new tables based on an existing description This is a very simple task, for which we preview a maximum of 6 hours working time. It's essential that you're comfortable working with MySql databases, and have a proven track record of creating visually appealing software with a focus on usability. Understanding the value of intuitive design and the importance of numerical data validation is also key. Past experience in developing data management ...

...address—into a separate database. The frontend has already been developed using React and can be accessed via . Your task will involve integrating these processes, managing the database, and ensuring smooth functionality. Key Responsibilities: Integration of Signup Process: Develop a custom signup form with new fields (phone number, DOB, alternative email). Implement validation checks for all fields, including new additions. Integrate Mailcow API to handle user registration and account creation. Ensure seamless communication between the frontend, backend, and database. Implementation of Login Process: Develop a secure login mechanism for users, considering new fields in the database. Integrate authentication with Mailcow/Sogo to validate user credentials, including

I'm seeking an expert in Excel and VBA who can work on an an existing financial model. The primary tasks will involve optimizing formulas, macros, and implementing data validation. I am looking for an hourly regular working engagement where the person will sit with me from time to time online and solve for things one at a time. I cant share workbooks as I have some IP related restrictions so person will have to work on my system, remotely. For Faridabad, Haryana based freelancers, we can do it in physical mode too. Key areas of focus will be: - Refining Formulas and Calculations. - Improving Data Organization and Management - Managing , improving the existing VBAs

...within the Zoho Portal. 3. **Email Forwarding:** - Set up email forwarding for each created email address. - Ensure emails are forwarded to Zoho Sheets for further processing. 4. **Zoho Sheet Integration:** - Create a Zoho Sheet for each email address or purpose. - Establish integration between Zoho Mail and Zoho Sheets to automate email-to-sheet data transfer. 5. **Testing and Validation:** - Test the entire workflow to ensure emails are being properly forwarded to Zoho Sheets. - Validate data integrity and accuracy within Zoho Sheets. **Deliverables:** - Fully configured Zoho Portal allowing email creation with custom domain. - Email forwarding set up for each created email address. - Zoho Sheets integrated with Zoho Mail to automate email-to-sheet data t...

...Inventory for accurate expense and income tracking. 2- Automation of Sales Invoice Processing: Develop workflows (using Zoho Flow) to automatically record sales invoice details: 2.1- Delivery service costs based on chosen service (integrate shipping carrier accounts if applicable) 2.2- Payment processing fees associated with different platforms (integrate payment gateway accounts) 3- Testing and Validation: Conduct thorough testing to ensure accurate data transfer and successful automation. When this phase is closed successfully, we will start other phases....

I am seeking a meticulous data entry operator with strong background in data verification and validation. Key tasks include: - Verification and validation of less than 500 mixed data entries (both textual and numerical) - Ensuring data accuracy through rigorous checks Ideal applicant should possess: - Proficiency in managing mixed data types - Strong attention to detail - Proven experience in data verification and validation

...for multiple file types: The uploader should be able to accept a variety of file formats, including Excel spreadsheets, CSV files, and Text files. - Basic Data Validation: Before the data is uploaded, I need this tool to perform basic data validation. This would involve checking for field completeness to ensure that all necessary fields are populated before the upload is allowed. Ideal Skills and Experience: - Proficiency in web development: The ideal candidate should have a strong background in web development, particularly in the area of creating uploaders. - Experience with data validation: A good understanding of data validation is essential for this project. - Familiarity with different file types: Experience in working with different file types such a...

A program in Racket/Scheme that implements a parser in its code, controlled by an LL1 grammar of at least 5 rules and performing, for example, validation/translation of some text input. The output of the program will be e.g. input value recognition, translated text or error detection. See an "example 1" . You can use functions fot this example, but the grammar must be you own. Using of recursive descent parser is recomended - see "example 2". General rules: Note that calling a ready-made function from the library is not sufficient to accomplish this task. Your own code must contain a visible algorithm. Your program must work according to the documentation. All documentation must be written in the source code . The program must include: (in source code) Br...

I'm looking for an Elementor expert to build a high functioning webform with advanced form validation. The primary focus of this project is to facilitate order processing, which will require integrating a secure payment gateway. Key requirements: - Advanced form validation: This includes adding custom validation rules beyond basic input validation. - Payment gateway integration: You will need to set up a reliable and secure payment processing system. Ideal freelancer: - Proficient in Elementor and experienced in creating complex webforms. - Familiar with integrating payment gateways for streamlined online transactions. - Skilled in ensuring robust security measures to protect customer data. The successful candidate will be able to demonstrate a track re...

I require a proficient freela...require a proficient freelancer to design a distinctive Excel file that will be used for web form completion. Once the Excel file is uploaded, the system should automatically read and fill the corresponding fields. These may be a composition of dropdowns, text or checkboxes with comprehensive validation, such as numbers-only constraints, email format requirements, date format validation, dropdown list checks, value ranges among others. Ideal Skills: -Qualified in Excel -Understanding of data validation Experience: -Web development -Scripting in Excel -Web form design -Experience designing similar projects Please note that while the specific dropdown fields were not detailed, anticipate flexibility and adaptability in the code to conf...

I'm seeking an expert in Excel and VBA who can work on an an existing financial model. The primary tasks will involve optimizing formulas, macros, and implementing data validation. I am looking for an hourly regular working engagement where the person will sit with me from time to time online and solve for things one at a time. I cant share workbooks as I have some IP related restrictions so person will have to work on my system, remotely. For Faridabad, Haryana based freelancers, we can do it in physical mode too. Key areas of focus will be: - Refining Formulas and Calculations. - Improving Data Organization and Management - Managing , improving the existing VBAs

I acquired a PHP script from Codecanyon and seek a skilled developer to enhance its capabilities. The primary tasks involve implementing robust data validation mechanisms and integrating a specific condition for the calculator functionality. Project Requirements: Data Validation: Strengthen the script's data validation process to ensure accuracy and security in handling user inputs. Calculator Functionality Enhancement: Customize the existing calculator feature to include a specific condition, optimizing its performance and usability.

As a React Front-End Developer I require a professional who can skillfully incorporate Forms and validation, Dynamic data rendering, Responsive design, along with , CraftJs and MUI libraries into my project. More specifically, the project demands: - Integration of Forms and validation: You must be able to handle complex forms and efficiently implement form validation. - Dynamic data rendering: The project requires handling and displaying dynamic data efficiently. - Responsive design: Your ability to ensure that the design is responsive across various devices. - Implement CraftJs and MUI: You should have experience with these libraries and be able to effectively incorporate them into the project. - Wireframe and Design: I have a ready wireframe and design which you wil...

...lockout after multiple incorrect login attempts). Ability to define an unlimited number of user roles. Ability to define an unlimited number of permissions. User Activity Log to track user actions. Avatar upload functionality with a crop feature. Built using Bootstrap 4 for responsive design. Active Sessions Management to view and manage all active sessions. Client-side and server-side form validation for data integrity. Fully customizable settings section for easy configuration. Submission Guidelines: 1. Please provide a demonstration or screenshots of the admin panel. 2. Include details about the technology stack used, including Laravel version and any additional packages or libraries. 3. Specify any customization options available. 4. Mention if ongoing support or mai...

Hi, Looking for a freelancer who take a site visit and confirm about a site, Just a site visit project and check address validation, ongoing work in future, further discus about task after freelancer response. more information will be provided to the selected freelancer.

I'm in urgent need of pre-employment vetting services, particularly those that will enable the authentication and validation of an applicant's employment history. Requirements: - thorough background checks - specifically, employment history verification - immediate or as-soon-as-possible delivery of results Ideal freelancer should have: - experience in HR practices, specifically in pre-employment screening - proven detail-accuracy and thoroughness in previous projects - capability to handle information in strictest confidence - prompt delivery as immediate results are paramount.

I'm seeking an expert data scraper to compile a comprehensive list of small to medium enterprises (SMEs) across Victoria, NSW, North Queen...scraper to compile a comprehensive list of small to medium enterprises (SMEs) across Victoria, NSW, North Queensland, and South Australia. The scope of businesses should focus on restaurants and retail stores. The information needed for each business is as follows: - Business Name - Address - Phone Number - Website - Email Ideal candidate should have robust experience in data collection and validation to ensure the information provided is current and accurate. Proficiency in navigating Australian business directories and databases will be a valuable asset. Your scrupulous attention to detail and commitment to data integrity are critical...

...of secure mobile applications that process financial transactions - Certified QSA (Qualified Security Assessor) PCI level 4. Key responsibilities include: - Conducting a full PCI DSS assessment of the app - Implementing necessary security controls - Providing guidance on ensuring the app is fully PCI compliant - An architecture strategy for a PCI compliant mobile application level 4. - QSA validation of PCI compliance attestation. - Guidance on maintaining compliance post-launch. - Guide the uploading process of our mobile application onto the firebase GCP. - Ensure all necessary configurations are properly set up for smooth operation. - Collaborate with our development team to facilitate direct integration with Google Pay. - Provide technical guidance and support throughout t...

...Additionally, PHP Laravel framework familiarity is essential. Requirements include: - Real-time synchronization: All data updated in any of these accounting software should reflect on my ERP system instantly. - Automatic data updates: An ability to schedule regular automated updates. - Custom Reporting: Tailored reports based on the data received from the platforms. - Error handling and Data Validation: Ensuring data is validated with robust error handling procedures. Given that I skipped indicating the specific data, your proposal should outline a solution for an All-in-One integration, that is ready to extract and integrate any type of data. High proficiency in API integration, backend development, PHP, Laravel and understanding of accounting systems are ideal skills for thi...

I am seeking a proficient programmer to develop a scraping application for the purpose of extracting text data from NETFLIX. This project is sensitive, considering that the targeted websites demand API keys for access. Accordingly, the ideal candidate should be familiar with both GET and POST methods as well as API integration and management. Experience with data extraction and web scraping from API authenticated websites is a must. Skill requirements: • Web scraping • HEADERS • CUSTOM HEADEARS • STRINGS • URLLIB • Working knowledge of GET & POST methods • Experience with API authentication • Exceptional skills in data extraction, especially text. • loliscript • SilverBullet i need to get a netflix mass account checker through http pe...

I need a simple form that will look good on a small screen iPhone and also a big screen iPad. The form will collect NAME EMAIL CITY PHONE NUMBER phone number will be a formatted 10 digit max, and email will need validation for properly formatted. This will take the data and post it to our existing base and will then revert form back to a page that says success, and then auto redirect to the form page. The form page will look neat and clean and also contain a couple lines of text and our logo. You will use the existing config file to connect to our base, instead of creating a new one. This project needs completed today and should only take an hour to complete. This is to be written in php 8.2 and connected to sql dbase. You will be paid $30 when it is complete and verified t...

N...to assist in the development of APIs for our upcoming matrimonial app. The backend infrastructure is based on Laravel, and we require the creation of several API endpoints to power core functionalities of the application. Notification API: Enable notifications for user interactions and events within the Code: Implement coupon code management for user promotions, including creation, validation, and : Develop APIs to manage user messages, including sending, receiving, deleting, and reading Active/Online: Track and display users' last active time and online Match: Calculate similarity scores between user profiles to facilitate Active User Activity: Retrieve and display activity of recently active users.