Ajax mysql search jquery jobs

...what the attached 30 files (or a subset) show. 3. You could propose the capabilities as a specific spec for what the input text file contains. 4. You can make it a price depending of what it can do and list possibilities. 5. If there is an app that allows a TXT definition like what I am saying, then I would consider buying that, but I tried that and this gig is really for having it developed. Search for FLOWCHART and click on IMAGES and you'll see hundreds of examples. Include: 1. Source Code 2. Compiled Code 3. User documentation. 4. Technical (programmer) documentation: Technologies used, overall flow, for each function/subroutine what the input and output are. Should be 1-2 pages (the more the better.) 5. I get a week to test it. At first you can run it. When it'...

I need create calculator like on page : and implement to my page : It must be only for product in categor...'js-custom-input'); let productId = , location = String() + '?productId=' + productId + '&do=calculateCustomPrice'; for (let input of customPriceInput) { if ( === '') { return; } location = location + '&' + + '=' + ; } if (typeof jQuery !== 'undefined') { $.({ url: location, }); } else { ('POST', location); } } </script>

Minimum requirements of the role -At least 3 years of hands-on experience with JavaScript frontend frameworks such AngularJS, Stenciljs or React. -Strong Experience with NodeJS and Electron. -Strong knowledge of Relational Database Servers such as MySQL or PostgreSQL. -Some experience with C#. -Experience with microservice based architecture. -Strong coding skills, ability to use BDD and TDD where needed. -Experience and confidence developing RESTful APIs and high-load apps. -Proficiency with fundamental front end languages such as HTML, CSS and JavaScript. -Ability to switch between languages and frameworks. -Knowledge of Agile and Scrum. -Fluent in English. -Nice to have: Google Cloud,...

...reflects this aesthetic. Given that the main purpose of this website is to display information and a portfolio, the design should be clean, uncluttered, and user-friendly. Job Responsibilities: • Should have intermediate understanding and working knowledge of WordPress • Designing and building the website front-end • Knowledge of front-end technologies including CSS3, JavaScript, HTML5 and jQuery and REST/API integration • To understand and work with various page-layout and eCommerce plugins and to add images, icons, and vectors that function on desktop- and mobile-friendly web pages • Interest in conducting research and learning new things to overcome challenges • Conducting website performance tests • Monitoring the performance of the...

I'm seeking experienced Javascript and Jquery developers to help create several interactive features on a web platform. The project involves: - Developing dynamic content loading: The platform will require the ability to dynamically load content, including tables, charts, and other visual elements. - Implementing real-time notifications: The system will need to push notifications to users in a dynamic, real-time fashion. - Ensuring full responsiveness: It's crucial that the project be fully responsive across all devices. The ideal candidate will have a proven track record of web development, particularly in Javascript and Jquery, and a strong understanding of user experience and responsive design. You should be able to work efficiently to meet the 1-2 week complet...

I'm looking for an SEO expert to assist me in improving my website's visibility and search engine ranking through the creation of high-quality backlinks. Please note that this project does not involve website traffic. Key Responsibilities: - Building high-quality backlinks from reputable websites. - Ensuring the backlinks are from relevant sources to increase search engine ranking. - Developing a strategy for improving search engine ranking. - Regularly monitoring and reporting on progress. Ideal Freelancer: - Proven experience in SEO and backlink building. - Familiarity with the latest SEO trends and algorithms. - Excellent analytical and problem-solving skills. - Strong communication and reporting abilities.

I'm in search of an expert in MS Excel to help me with an advanced task involving formula creation. This project requires knowledge of macros and pivot tables. Your primary responsibilities will include: - Developing and implementing complex formulas in Excel - Ensuring the data is correct and displayed properly - Creating macros and pivot tables - Providing any insights that can help improve the overall process The ideal candidate should have: - Proven experience in advanced Excel tasks - In-depth understanding of macros and pivot tables - Ability to communicate effectively and provide clear progress updates - Attention to detail and accuracy in data analysis and formula creation

...website. • Ensure domain and hosting are configured. Phase 6: Post-Launch Support (3 months) • Monitor the website for any issues. • Provide bug fixes and updates as needed. • Offer user support. Technology Stack Frontend: • HTML, CSS, JavaScript • Framework: React.js (or Angular/Vue.js) Backend: • Node.js with (or Django/Rails) • Authentication: JWT or OAuth Database: • PostgreSQL or MySQL Payment Gateway: • Stripe, PayPal, or another secure payment processing service Platform: • WhatsApp Business API File Storage: • AWS S3 or Google Cloud Storage Hosting: • AWS, Heroku, or DigitalOcean Budget Estimate Design: $X,000 Development: $X,000 Testing: $X,000 Deployment: $X,000 Support and Maintenance: $X,000/month Key C...

...begin with; these will come in pairs. One partition will be high priority (aimed at running uninterruptible workloads) and the second will be low priority (spot), both using the same VM SKU. In the first instance, I would like to use HB120v2 for the two CPU partitions and the A100 GPU for the two GPU partitions. I would also like to have SLURM accounting set up within the cluster i.e. not using the MySQL service on Azure. Lastly I would like the cluster to have Prometheus/Graphana monitoring capability so that individual users can monitor job statistics. Eventually, we would like users to also be able to interact with the cluster via VS Code and Jupyter. Delivery : within 1 week -- please only bid if you have done this before. Please provide your past experience and any relevant...

I'm in need of a personal blog to share helpful information. The key feature I'm looking for is a search functionality to make navigation smooth for readers. Ideal Skills and Experience: - Proficiency in HTML/CSS - Experience in building blogs - Knowledge of search functionality implementation

I'm currently on the search for a skillful web developer - preferably one with a proven track record in crafting effective e-commerce sites. It's crucial that your portfolio showcases expertise in creating sites that not only feature a blogging platform but also effectively integrates social media functionalities. Your background should include: - Developing engaging e-commerce websites to showcase tangible products - Creating intuitive UIs that make product discovery and purchase simple - Incorporating a blogging platform into a business website - Implementing social media functionalities into a website The primary aim here is to architect a website for my business that serves as an attracting platform for visitors to explore and purchase our tangible products. The si...

I'm in search of a talented individual who can create a series of GIPHY designs catering to two separate businesses. The ultimate goal is to offer a range of animated logos, product animations, and custom illustrations. Business one- body composition and metabolic testing business. showcase the brand and products etc Business 2- breathwork, mindset Key Points: - You'll be working on GIPHY designs for two distinct businesses - The designs should encompass a mix of animated logos, product animations, and custom illustrations - The animated logos should carry elements of modernity, playfulness, and professionalism Ideal Skills and Experience: - Proficiency in GIPHY design and animation - A strong portfolio showcasing a diverse range of design styles - An understandin...

I'm seeking a skilled professional who can generate high-quality German backlinks from .de websites to improve my website's search engine ranking in Germany. Key Requirements: - The backlinks must come from .de websites that have decent traffic from Germany. - The content on my site primarily revolves around rental apartments, so experience in real estate or a similar industry is advantageous. Specific Keywords: - "wohnung mieten berlin" - "berlin wohnung mieten" - "mietwohnung berlin" - "wohnung in berlin" Ideal Skills: - SEO expertise - Familiarity with German market and language - Proven experience in backlink generation - Understanding of the real estate industry, particularly in relation to rental apartments.

I'm currently in need of a talented Java backend developer who has a strong understanding of databases, particularly MySQL and PostgreSQL. Key Responsibilities: - API Development: The primary focus of the project is on developing APIs that are efficient, secure, and capable of handling high traffic. - Code Modification: The project requires some modification of existing code to ensure seamless integration of the APIs. - Reporting: The backend developer should be able to generate insightful reports based on the data stored in the databases. Ideal Skills: - Proficiency in Java: Excellent understanding of Java is a must. - Strong Database Skills: Prior experience with MySQL and PostgreSQL is necessary. - API Development: A proven track record in creating high-performance ...

...Cards Against Humanity game that needs some adjustments and updates. Key Tasks: - Fixing Errors: The current project has some bugs that need to be addressed. The app is crashing on startup and experiencing database retrieval issues. Your task would be to resolve these errors and make the application functional again. - Database Update: You'll need to shift from the current WebSQL database to MySQL and ensure smooth data storage and retrieval. New Features to Add: - User Authentication System: Incorporate a new authentication system to enhance user privacy and security. - Game Timer: Implement a game timer to bring an additional level of challenge and excitement to the gameplay. - Animations & Interactivity: Enhance user experience with engaging animations and interact...

I'm in need of someone to assist me with my job search, primarily by reaching out to recruiters and hiring managers. Key Responsibilities: - Help me in finding job opportunities that match my profile and goals. - Targeted and filtered search - Send LinkedIn messages to recruiters and hiring managers to express my interest and inquire about potential job opportunities. - Utilize my email to contact potential employers if required. - Compensation and Bonuses available if job is secured** discussed during interview - Track job applications and other information via google spreadsheet template I created Ideal Candidate: - Proficient in resume writing, LinkedIn profile enhancement, and cover letter customization. - Familiarity with job search strategies and recruit...

...specific improvements to my existing PHP application and enhance its integration with QuickBooks Online. CURRENT: We have a QuickBooks Online application that syncs invoices from QuickBooks Online to two MySQL database tables (order headers and order lines). This application works correctly but we want to add a condition to the INSERT statement in this program so only invoices that have a custom field populated will get synced to these tables. The custom field name to check is "Online Order Number". Requirements: - Modify functionality of existing program to only INSERT records to MySQL table when invoice record contains a value in custom field "Online Order Number" The ideal freelancer for this project should have: - Proven experience working with ...

I'm looking for a skilled React Native developer for api integration , ski...Ability to implement custom features as per the requirements of the project - Strong understanding of user profiles & authentication, product catalog & search, and shopping cart & checkout process Your primary focus will be on creating a seamless e-commerce experience for customers through the implementation of custom features. Your expertise in React Native will ensure the application is user-friendly, reflects the brand's identity, and meets the specific project requirements. Ideal Skills and Experience: - React Native - E-commerce app development - Custom feature implementation - User profiles & authentication - Product catalog & search - Shopping cart & checko...

I have an html form php file on my server. I would like a passcode (no username) added to the form that captures the user connected to the passcode when the form is submitted. I would like the data sent to Google Sheets when a user submits the form. The Google sheet is complex. I would like the form data sent to 1 of 13 sheets. It should search for the sheet name, date, and user (from the html form) to find the correct sheet and row to insert the data from 5 fields. Can you help with this? We have an form in the laravel, these are three main tasks : 1) Secure the form with 6 code passcode. 2) Update the URL of the form. 3) Save the form data in google sheet. There are various tabs in the sheet, so we need to save the data in google sheet tabs as per the dropdown selection.

I'm seeking a professional web developer, extremely proficient in PHP and MySQL who can upgrade sales and users modules in our POS system. - Abilities: You should have substantial experience and demonstrated proficiency in building complex, user-friendly websites. Your PHP and MySQL skills must be exemplary. - Preferred Framework: I don't have a particular PHP framework preference. You can use the one you're comfortable with.

...eye for product marketing, provide valuable insights into positioning and promotion strategies. Qualifications: Bachelor’s degree in Marketing, Business, or related field. Proficiency in data analysis tools. Excellent communication skills. Join us in shaping the future of our brand! This is a monthly pay project. During the initial month, the focus will be on evaluating your expertise in online search and your ability to deliver projects promptly....

I'm in search of a professional and dexterous home assistant and sitter who can competently handle a number of responsibilities. It’ll be 6 days a week. And 3-5 hours per day. Tasks and Responsibilities: - Able to follow instructions. - Computer literacy. - Manage home. Home Management: In addition to the above, the successful candidate will assist with household inventory management, maintaining comprehensive records and ensuring that everything is in its rightful place. Ideal Skills and Experience: - Demonstrated experience in home sitting and assistance. - Exceptional organizational and management skills. - An eye for detail, especially when dealing with inventories. - Good communication skills. - Ability to follow orders. This is a dema...

I'm looking for a SEO expert to completely overhaul my website's SEO strategy. I haven't implemented any SEO yet, so it's a green field opportunity. The main goals are to increase organic traffic, improve search engine rankings across Google, Bing and Yahoo, and to boost online visibility. The ideal candidate will have: - A proven track record in SEO optimization across different search engines - Experience in increasing organic traffic and improving search engine rankings - The ability to boost online visibility for a variety of websites - Expertise in conducting initial SEO audits and creating comprehensive strategies from scratch. I'm keen to see your plan for achieving these goals, and any case studies you have that demonstrate your suc...

I’m seeking a skilled developer to convert my existing PortVB Desktop App into an iOS/Mac Desktop App. It a small tool that runs on a Windows PC and reads some flat XML files and inserts/updates a mySQL database. We need the same program to be able run on a iOS/Mac desktop. I have all the VB Project files/ Source code. - Skills in app development for iOS/Mac, ideally with previous experience in app conversion - Knowledge of data syncing, user authentication, and offline access, in case these features need to be incorporated - Familiarity with contacts management, communication, scheduling, calendar integration, and file/document management functionalities for potential focus areas - Creative design skills to potentially revamp the user interface and overall design of t...

...messaging services to handle asynchronous communications, ensuring efficient and reliable data exchange across system components. SDK Development - Develop and maintain an SDK that provides third-party developers with the tools needed to integrate their AI bots or other services with our platform, including comprehensive documentation and support. Database Management - Manage and optimize MySQL database interactions within the WordPress environment, ensuring efficient data retrieval and storage. System Integration and Testing - Oversee the integration of all system components, employing best practices in continuous integration and deployment to maintain system integrity and performance. Documentation and Support - Produce detailed documentation and user guides...

I'm in need of an experienced Linux and Server Admin who can help me with the following tasks: - Linux and Server Administration: Proficient in CentOS, you'll be managing my server and ensuring its optimal performance. - Web and App Installation: You'll be responsible for installing and configuring various websites - coded in PHP, Node.js, and Rea...administration, and web/app installation. Proficiency in PHP, Flutter, and React Native is required. ------------------------------------------------------------------------------------------ Should have experience in linux VPS, setting up sites apps email dns firewall NO CPANEL. All work to be done using command line Sites are in php wordpress Node React Apps are in React Native Flutter Database: Mysql/mongo Amt pos...

I need a small application prototype with the following features: Multi-Employer Job Portal/Admin app (Role Based access) User/applicant App (for Multiple applications to different employers) User Profile Document Upload (Save documents to Db and attachments to Blob Storage ) Send Emails to Employers and applicants back and forth 2 Apps in total ie. admin app and applicant app. job application requirements will be provided. Nodejs, angular, My SQL, ORM, Data Seeding, Migrations should be used.

I need a bash script that can import and export data from my database to CSV files. Ideal candidate should be able to: - Create a bash script that can effectively import and export data - Have experience working with database management systems such as MySQL, PostgreSQL, or MongoDB - Ensure that the script securely creates user accounts and manages their access to the database. The script will be used for daily database management tasks, so it needs to be reliable, secure, and efficient.

I am in need of a skilled Java developer to create a comprehensive CRUDS (Create, Read, Update, Delete, Search) functionality for a ticket tracker application. The application should be backed by a MySQL database.

See attached detailed description of project. Ideal Skills: - Proficient in pHp 8 - Extensive experience in database integration, particularly with MySQL® - Strong problem-solving skills - Attention to detail and thorough testing - Previous experience with file processing in pHp I'm looking for a professional who can work efficiently and deliver high-quality results. If you believe you possess the necessary skills and experience for this project, I look forward to reviewing your bid.

I'm looking for a skilled Shopify Public App developer to create an app for my business. The app should have the following features: - Custom Order Date Options: The ability to include unique Delivery Date options and configurations on my Shopify store. - Advanced Pickup: a customer chooses a pickup location to pick up her/his order and also us...Google map API for pincode verification for pincode included or excluded for the delivery As a successful freelancer, past work is crucial. Please include examples of previous Shopify Public Apps you've developed or similar projects you have completed. This will give me a better understanding of your expertise in this area. Require Technology -> Node.js -> React.js -> Javascript -> jQuery -> REST API -> My...

I'm in search of a professional to create monthly sales reports in Excel. We need to create several tables starting from the attached files starting from input file 1 1- In input file 1 you need to filter the data in column B and take into consideration only "Pagamento ordine" and "Rimborso". Make the sum using the formula in column J "totale ordine" of the attached “esempio output” file 2- Filter the rows of input file 2 (attached), column D "Dettagli prodotto" so that the different product details appear only once and report them in the VAT output file so as to have only 2 Product Name columns (in which the "dettagli prodotto”of input file column 2 are listed. (example VAT file attached) 3- The app must check th...

I am looking for a developer who could develop a iOS IPhone app. It should do following Use a authentifcation based on a MySQL database table (for login) store that login as session that I not need each time again login. Create a connection between that MySQL and grab data and display that on app. Store that data like on cache that I can see that data also offline. I only will answer to developer who native language are English or German and who could show some iOS work.

We have two sites on windows server that we would like to move to linux, without having to rewrite code for both sites. The current code is ASP and ASPX (vbscript) with Acess dbase. I am looking for someone that can make our ASP and ASPX pages to work on linux server with mysql dbase. We have a VPS on godaddy server, that we can host the two sites on. You are only qualified if you have done this many times before. You may not use our sites to "try" to do this after doing research, we only want experienced individuals on this.

I am seeking an experienced programmer, whose task will be to integrate the Trilliant Provider Directory API into another system. Must have experience with Trilliant and Dat...into another system. Must have experience with Trilliant and Databricks. It's noteworthy that I am open to working with a freelancer proficient in any programming language. Ideal qualifications are: - A solid general programming background - Experience with API integration - Capable of interpreting and applying API documentation The API must deliver the following functionalities: - Ability to search providers - Retrieve provider details - Seamless integration with another system Freelancers who demonstrate evidence of past experience particularly in Trilliant / Databricks API integration will be hig...

i need my aws rds mysql connceted with retool. it gives error and i am unable to link it. i need help fast so only if you can help in this moment not in 1 h

I'm in need of an experienced PHP MySQL developer to handle data management and manipulation, database design and optimization, as well as web application development for my project. The goal is to create a robust e-commerce website with the following features: - Product listing and details - Payment gateway integration Ideal candidates should have a rich background in PHP MySQL, web application development, particularly in e-commerce platforms, and database design and optimization. Your skills in crafting systems that are user-friendly, secure, and streamlined will be essential. Emphasizing on data management and security is also paramount in this project. Let's connect if you possess these skills.

i need a website in wordpress where site have 2 types of users (let's say User A and User B). User A come to website and find user B as per the skills and location field. User B can search User A as per some filters. User A and User B can communicate to each other also (future functionality). Both User A and User B can register and login into website.

I'm currently facing an issue with my MySQL replica. Although there are no errors, the data isn't being synced and the "Seconds_Behind_Master" is consistently increasing. I'm looking for a professional who can help me with this problem. I can't give you access to the server(s) but we can troubleshoot together. Key Requirements: - Expertise in MySQL command line - In-depth understanding of MySQL replication mechanisms - Experience in troubleshooting replication lag - Ability to work quickly and efficiently Max 50 euros. Thank you.

...begin with; these will come in pairs. One partition will be high priority (aimed at running uninterruptible workloads) and the second will be low priority (spot), both using the same VM SKU. In the first instance, I would like to use HB120v2 for the two CPU partitions and the A100 GPU for the two GPU partitions. I would also like to have SLURM accounting set up within the cluster i.e. not using the MySQL service on Azure. Lastly I would like the cluster to have Prometheus/Graphana monitoring capability so that individual users can monitor job statistics. Eventually, we would like users to also be able to interact with the cluster via VS Code and Jupyter. Delivery : within 1 week -- please only bid if you have done this before. Please provide your past experience and any relevant...

...details to the remote server. Design and develop a secure admin panel using Laravel 10, MySQL 8, and PHP 8: User registration and management. Device registration with approval workflow. Device blocking functionality. SMS panel to send SMS commands to registered devices. Ability to set the remote server IP for each registered device. Implement user authentication with: Login ID generation based on device MAC address. User-selectable password after admin approval. Login expiration for enhanced security. Write well-documented and commented source code for both the Android application and admin panel. Qualifications: Proven experience in Android app development (Java/Kotlin). Proficiency in Laravel framework, MySQL, and PHP. Strong understanding of security best practices for...

...AWS and Digital Ocean. - Design and deploy modern frontend user interfaces using the latest UI technologies. - Build secure and scalable mobile app REST APIs. - Manage databases using MySQL and NoSQL. - Use DevOps tools to monitor and scale applications. Looking For: - 3+ years of experience in software development - Experience with LAMP and MERN stacks - Knowledge of PHP, CSS, and JS and web technologies - Familiar with S3, cloud hosting, DNS, web security - Ability to use vanilla code and minimal libraries/frameworks - Can code fast and effective with simple Bootstrap and jQuery - Strong skills with MySQL and NoSQL (Firebase, MongoDB) - Good english communication skills in Slack and in meetings - Availability to work ~20hrs per week between 9AM-6PM PST - A passio...

...a voice search feature to my website which is developed using PHP. I already have my mind set on using Google Cloud Speech-to-Text API for this. Key requirements for the voice search implementation include: - Enabling voice search for content navigation: Users should be able to navigate through my website using their voice, reducing the dependency on traditional text-based searches. - Enabling voice search for information retrieval: Users should be able to ask questions and receive relevant information from the website using voice commands. Ideal Skills & Experience: - Proficiency in PHP development is a must, as my website is built on this platform. - Experience in integrating third-party APIs, particularly Google Cloud Speech-to-Text API. - Prior work...

It is necessary finish a web application in python + django regard the statistic of stocks. So it is necessary: some fetaures of some filter; -. make some change to mysql database and api to datafeed. -. verify the formulas and add some features; -. make better the design. - create an admin page with security login and import stocks manually. Please answer only if you can show similar experiences

...WordPress Developer, you will be responsible for both the frontend and backend development of our WordPress websites. Your main tasks will include creating and editing custom themes and plugins, optimizing website performance, and implementing new features (such as translating plugin language, or overwriting some existing AI features). The ideal candidate should have strong knowledge of WordPress, PHP, MySQL, and frontend technologies such as HTML, CSS, and JavaScript. Responsibilities: - Develop and maintain WordPress websites - Create custom themes and plugins - Optimize website performance - Implement new features and functionalities Requirements: - Proven work experience as a WordPress Developer - Strong proficiency in WordPress, PHP, HTML, CSS, and JavaScri...

I'm looking for an SEO expert to optimize my website for Google search engine rankings. The primary focus will be on improving the visibility and ranking of our product pages. Key requirements: - Demonstrable experience in SEO, particularly with a focus on Google. - Strong understanding of on-page optimization techniques. - Proven track record of improving search engine rankings for product pages.

...frameworks, MySQL database, and E-commerce development to build a website. The developer should also have experience with Wordpress and integrating various platforms and APIs. Key project details: - The ideal candidate should have strong knowledge and experience in PHP frameworks like Laravel or Symfony, as well as Wordpress. - E-commerce development experience is essential, especially in designing and building secure and user-friendly online stores. - Proficiency in MySQL database is required. - The website will require integrating payment gateways, social media, and email marketing platforms. Hence, the developer should have experience in these areas. Ideal skills and experience: - PHP frameworks (Laravel, Symfony, CodeIgniter) - Wordpress - E-commerce site developmen...

I need a single form to register two differ...single form to register two different types of users on my wordpress website. See the attachment. I'm looking to set up a WordPress site that supports dual user registration - customers and instructors. Key Requirements: - The registration form should be able to collect specific information from both user types including name, email address and phone number. - Customers should have the ability to search for instructors and book lessons with them. - Instructors should be able to create, manage and edit their profiles. I'm seeking a skilled developer who can implement these functionalities seamlessly. Experience in WordPress and user registration systems is a must. The ideal candidate should also have a good understanding of ...

...on parts, not started, completed. - Ability to search by customer, PO number, job status, date, part on both active jobs and completed archived jobs in the past. - Ability to allow the upload of PDF files, pictures, notes etc for each job. - Ability to allow simple addition of parts for the job, these are then stored within the system and can be searched for and used for future jobs (also ability to edit / delete part). - Ability to export each completed job card (including attached PDF files, pictures and notes) to a PDF. - Ability to export completed jobs to CSV file for automated invoice generation in Quickbooks Online - Ability to import customer database CSV file from Quickbooks. - Creation, editing and saving of quotes - Ability to search Archived jobs (Completed / n...

I'm in need of an experienced app developer to create an e-commerce app for both iOS and Android platforms. The primary goal of this app is to support online purchases and transactions. Key features I'm looking for include: - A user-friendly interface for making purchases - Secure payment gateways for transactions - A robust product catalogue and search functionality - A system for tracking orders and managing accounts - Notifications for order alerts and promotional offers Experience in creating e-commerce apps is a must. Your expertise in both iOS and Android platforms is crucial, as the app needs to be developed for both. The app will need to be reliable, user-friendly, and secure to handle online transactions.