Spring batch example mkyong仕事
My company needs to build an RPA application creator software. The requirements as following. ### Automation batch creator application a. Running environment: Windows 7 or later b. Functional requirements: 1. Simulate mouse click 2. Simulate keyboard input 3. Using OCR to detect windows, selection 4. Open/Close Program 5. Record macro 6. Logic functions support (if-else, switch case...) 7. Loop functions support (while, for...) 8. DateTime functions support (get system time...) 9. Wait (sleep) functions to support 10. Exports the robot that was created to a .exe file ### Automation batch manages application a. Running environment: Web b. Functional requirements: 1. Manage created robot (search, run, delete) 2. Alarm to the creator (email, message..) when hav...
...international imagemaking community and accumulated trust with it's software heavy hitters Your key Responsibilities: - Suggest the best software stack for this application - Build and maintain the frontend and backend code - Work with me to articulate the existing goals of the application and realise them in an MVP - Integrate AI functionalities, specifically image recognition, sorting, and low-level batch enhancements My Key responsibilities - Designing UI/UX (in partnership with you) - All marketing and collateral - All high-level product direction and UI/UX details that will result in community uptake - Selling to the image-making community The goals of this application startup - After setting a target folder, scan the target folder and using Ai, create context for al...
...part of the circle and forms a ring. It can be adjusted using a pneumatic valve and is controlled via a timer (punching time, pause time, return time to the starting position / there are also punchers with spring valves, which automatically return, only have a punching time). The conveyors are classic, ordinary ones that move the belt, there are not many complications. As for the robot, I worked with Fanuc Robots, the control system is simple, the paths that it needs to follow are defined in the robot itself and then it is imported into the program with the operation of the press. For example (the press has tripped, call Movement_of_robot_under_the_press). Of course, the operation of the robot depends on many conditions of the press that need to be met (the press cannot ...
I'm looking for a professional who can validate a list of 5500 emails for me. The validation should check if the emails are valid, using a batch validation tool. The final output of the validated emails should be in a CSV format. Ideal skills for this job include: - Proficiency with batch validation tools - Experience with email validation - Ability to deliver in the requested format Please ensure that you can deliver a thorough and accurate validation.
3rd batch (7 files) translation from German into UK English
I need a Thermal Printer ESC POS command expert who can help fix an issue with my code. My spring boot application is supposed to print Arabic text via a thermal printer, but the text is scrambling. The Arabic text is sourced from user input via a web form. Ideal Skills and Experience: - Extensive knowledge of ESC POS Commands - Experience with thermal printer integration - Understanding of Arabic text processing - Proficient in debugging and code fixing - Familiar with web form data handling
...integrating with the our website. Current Status Existing Resources: - SQL Database is created and mapped; all datatypes were harmonized. - All required Python and SQL scripts have been developed and tested locally. - An Azure workspace has been created to host the infrastructure. Infrastructure Capabilities Required: 1. Data Ingestion The infrastructure must support both scheduled and event-driven batch data ingestion from multiple APIs and other external sources. The ingested data is supposed to be parsed and transformed in order to handle null values, ensure data type conformity, and manage errors effectively. The data ingestion process and possible errors must be logged. 2. Data Computations and Transformations The system must support advanced data computations and trans...
I'm seeking an expert-level interviewer in the Java development field to assess a candidate's technical skills. Key Focus Areas: - Advanced Java Programming Concepts: The interviewer should evaluate the candidate's understanding and application of multithreading, collections, and exception handling. - Framework Proficiency: Proficiency in Spring and Hibernate is critical. The interviewer should assess the candidate's experience and expertise in using these frameworks. - Database Integration & Optimization: The candidate's knowledge and skills in database integration and performance optimization are to be assessed. The ideal interviewer should have a deep understanding of Java best practices, be skilled in debugging and troubleshooting Java applications...
I'm in need of a skilled Java Spring Reactive programmer who can assist in developing new features for my microservices architecture. Key responsibilities will include: - Creating and implementing innovative functionalities. - Enhancing API responsiveness for improved performance. Ideal candidates should have a strong background in: - Java Spring Reactive programming. - Microservices architecture. - API performance tuning.
I'm currently facing a runtime error in my Spring Boot application that needs urgent attention. The error is occurring at the API endpoints. I also need to create two new API endpoints to support a frontend feature. Although I haven't specified the primary function for these endpoints, they will likely involve a mix of data retrieval, submission, and update. Ideal skills and experience for the job include: - Proficiency in Spring Boot - Experience in debugging runtime errors, particularly at API endpoints - Previous experience in creating API endpoints - Familiarity with frontend-backend integration - Knowledge in handling database operations Please note, the ability to work under pressure and complete the tasks in a timely manner is crucial.
...looking for an experienced Java developer (Spring Boot) to create a crossword puzzle generator module that integrates with the OpenAI API. Technical Requirements: * Development in Java using Spring Boot * Integration with the OpenAI API * Generation of JSON files with a specific format * Implementation of integrity validations Main Functionality: The module must automatically generate crossword puzzles based on two input parameters: 1. Crossword theme 2. Desired language Output Specifications: * Format: .txt file containing a JSON * Required JSON structure: * cols: number of columns * rows: number of rows * cells: array with the letters of the crossword * words: array with the positions of the words * questions: array with the corresponding clues Example: {"...
I'm...build a Maven-based project focused on creating web-based integrations with my existing mobile app. The project will primarily leverage the Spring framework. Key Integration Aspects: - The primary type of integration will be Java-based. - This project will not require user authentication or push notifications. - Focus will be on data synchronization. Desired Functionality: - The web integration will need to implement API endpoints for data exchange. - Real-time communication features and a user management system are not required for this project. Ideal Skills and Experience: - Extensive experience with Java and Maven. - Proficient in using the Spring framework. - Ability to develop and implement API endpoints. - Prior experience with web-based integrations with ...
...enhanced protection." Key Ingredients: Highlight active components: 3-O-Ethyl Ascorbic Acid Magnesium Ascorbyl Phosphate Citrus Sinensis (Orange) Fruit Extract Palmitoyl Tripeptide-38 Citristem™ Notable Information: External use only, avoid contact with eyes, patch test before use. Regulatory Info: Include disclaimers about FDA regulations and confidentiality. Barcode & Legal Text: Place a barcode, batch number, and net weight (e.g., 50mL / 1.7 fl oz) at the bottom. Contact Info: Website, customer service email, or phone number. Packaging Design Instructions Outer Box Front Panel: Reflect the front label with added visual elements such as: Subtle embossed Vitamin C molecular structure. Orange and white theme to emphasize brightness and anti-aging. Side Panels: L...
Hi, I am looking to create a SPX 0DTE volume alert/indicator on TOS or possibly Active trader pro. Is it possible to create a volume indicator/alert that will notify you when a particular volum...0DTE volume alert/indicator on TOS or possibly Active trader pro. Is it possible to create a volume indicator/alert that will notify you when a particular volume threshold is crossed on a 1 min basis, without having a chart for the option open? My idea would be to create a watchlist of the particular option chains that are of interest and set an batch alert/indicator, when volume on a one minute basis is greater than say 400 contracts for example. Is something like this possible to create, without having to have each option contract chart open? Let me know if you have any addi...
I'm seeking a talented designer to create labels and mockups for a total of 160 food products. The first batch will be 20 products, with 20 designs per batch thereafter. i am pay for per 250/- Key Requirements: - Design labels in a modern and sleek style - Create appealing and practical mockups - Incorporate nutritional information, ingredients list, and manufacturer details on each label You have the freedom to select the color palette, as there are no specific brand colors to adhere to. This project is perfect for a designer with a flair for contemporary aesthetics and attention to detail. If you have experience in product label design and can deliver high-quality, visually striking designs, I look forward to seeing your bid.
I'm looking for a talented live painter who can create a realistic piece during my wedding reception. It will be spring of next year around Vorhees, NJ Key Responsibilities: - Set up at the reception venue - Paint a realistic depiction of the event as it unfolds Ideal Skills: - Exceptional painting skills, with a focus on realistic styles - Experience with live painting, particularly at weddings - Ability to capture the essence of the event on canvas Please provide a portfolio of your previous work, particularly any live painting you've done at weddings.
I'm looking for an experienced developer to create a notetaking application for me. The backend will be built on Spring Boot and the frontend on Flutter. The app will need to incorporate several AI features and OCR functionality. Key Requirements: - Implement AI features including: - Smart categorization and tagging of notes - Text summarization - Voice to text conversion - Develop OCR functionality to scan handwritten notes - Design a modern, minimalistic Flutter frontend The ideal candidate will have: - Extensive experience with Spring Boot and Flutter - Proficiency in AI and OCR integration - Strong UI/UX sensibilities with a knack for modern minimalistic design
I have a project where I need a UI design converted to 15.x. The design will be provided ...of the design. - Total of 5 designs & 5 corresponding HTML files - Budget: $15 for each project, total $75 The final product needs to be responsive for both mobile and desktop. There will be a few animations and interactive elements, for which I prefer the use of React Spring. Ideal candidates for this project should: - Have extensive experience with 15.x - Be able to create responsive designs for both mobile and desktop - Have experience with implementing animations and interactive elements using React Spring - Be able to deliver high-quality work within the specified budget React Components can be (sorted by relevance): - Tailwind CSS - MUI (Material UI) - Ant Design - Ch...
Job Title: Set Up and Deploy Angular + Spring Boot Application with Image Server Description: I am looking for an experienced professional to help set up and deploy my small-scale web application. The application includes an Angular front-end, Spring Boot REST API services, and a Spring Boot-based image server. I want the application to be hosted and accessible on the internet, either through a home server setup or a cloud-based solution. You will be responsible for end-to-end setup, including configuring the servers, deploying the application, and ensuring everything is secure and running smoothly. Responsibilities: Server Setup: Help choose a suitable hosting option (home server or cloud-based). Configure a Linux or Windows server environment as per requirements....
I'm facing an issue with a JUnit test case failing to execute in the newer version of Spring Boot. I'm seeking an experienced Spring Boot developer and JUnit expert to help troubleshoot this issue. Key Requirements: - Extensive experience with Spring Boot - Proficient in JUnit - Previous experience troubleshooting test case issues - Able to work efficiently to resolve the issue
I'm in need of a professional who can design custom-shaped labels for veterinary drugs. The labels must include: - Drug name and dosage instructions - Warnings and side effects - Manufacturer details and batch number The ideal freelancer should have experience in label design and a strong understanding of the regulatory requirements for veterinary drug labeling. Please be prepared to provide a portfolio of similar work.
...a custom-built, global HR and Payroll system, starting with Philippines and Australia. The system should be designed to accommodate future expansions worldwide. Key System Features: - Comprehensive employee management functionalities - Efficient payroll processing capabilities - Accurate time and attendance tracking Ideal Skills and Experience: - Proficiency in any technology stack (Java and Spring Boot, Python and Django, Microsoft .NET) - Prior experience in developing HR and Payroll systems - Knowledge of global HR and Payroll compliance standards - Strong software development and programming skills - Excellent system integration capabilities This is a unique opportunity to create a pivotal system for our company. Your expertise and experience in the field will be crucial ...
I'm in the process of setting up an eCommerce fulfilment warehouse, and I'm looking for an experienced developer with a good understanding of Kotlin, JavaScript, Spring Boot and AWS to help out with the backend development and integration with external platforms. Key Responsibilities: Ad-hoc support bug fixing (should be less than 3-4hrs per week) Full stack development for new feature (e.g new warehouse feature, or new API integration etc…..) (approx, 20hrs per week) Required Skill Backend Development: This will involve developing and maintaining the backend systems of the warehouse. Experience with Kotlin, JavaScript, Spring Boot and AWS is a must for this role. Integration with External Platforms: I need help connecting the system with Shopify, TikTok, a...
...or Psychological approaches to the study of Social Conflict, using examples or adopting a case study from the Middle East. Key Requirements: - Discuss various theories of conflict from different scholars. - Identify and defend a particular school of thought with arguments and supporting evidence. - Choose a case study from the Middle East (Israeli-Palestinian conflict, Syrian civil war, Arab Spring) to support the chosen approach. - Include critical thought and interpretation of the topic. - Integrate and critically apply supportive sources into the flow of the argument. Ideal Skills: - Strong understanding of sociological and psychological approaches to conflict. - Ability to write academically and persuasively. - Proficiency in researching and integrating scholarly sources...
I need a professional who can export a small batch of icons from Figma. Requirements: - Export 1-10 icons from Figma - Export them in PNG format - No modifications needed, just a straight export Ideal skills for the job: - Proficiency in Figma - Attention to detail - Experience with icon export
I am looking for a skilled photo editor to enhance and retouch a batch of images for professional use. The task involves color correction, background removal, skin retouching, image enhancement, and ensuring a polished, high-quality result suitable for online and print use. The ideal candidate should have a strong portfolio showcasing previous photo editing work and be able to deliver within a specified deadline. Attention to detail, creativity, and precision are essential for this project.
I'm looking for a full-time, remotely working developer who is proficient in Java, JSP, Spring Boot, Spring Data, and Angular. The ideal candidate should also be able to integrate screens in Flutter. Specific Project Details: - Primarily focused on maintaining existing code - Essential frameworks and libraries include Spring Boot, Angular, and Flutter Ideal Skills and Experience: - Strong background in both backend and frontend development - Full-stack development experience is a plus - Proficient in integrating with Flutter - Prior experience in maintaining complex code bases - Excellent understanding of Spring Boot and Angular Please note, the specific tasks have not been defined yet and will be discussed during the initial stages of the project.
We're looking for a seasoned Java developer with strong experience in Salesforce CRM, Java Spring, JavaFX, and Mobile device support. The project primarily focuses on the CRM modules with contractor features. You will be tasked with implementing features related to the service, contractor, mobile APP, and Sales Automation. Please write down the “Understand” text. Otherwise, your bidding will be neglected. If you have the necessary skills and experience, please submit your proposal along with relevant examples of your past work. Ideal Skills: - Proficient experience with CRM, especially Salesforce CRM. - Strong expertise in Java Spring. - Mobile device support on both Android and IOS. 1. Provide us your resume or CV. Your prior experience in develop...
...their various Facebook accounts without needing to input a password. - A post management interface where users can add, delete, and edit posts, as well as select which posts are currently active with a simple tick mark. This page should also include a section for Facebook group links. - A scheduling system that allows users to set the time intervals between each post in every group, between each batch of posts, and between each cycle. - Full functionality of the program on the cloud, without the need for screen or keyboard interaction on the local device. In addition, a simple statistics dashboard is necessary to allow users to track post performance. Ideal Skills and Experience: - Proficient in developing cloud-based applications, particularly on Google Cloud Platform. - Exper...
I'm looking for a proficient developer who can implement two main tasks: 1) Developing all necessary code to dynamically compile X...files found should be stored in corresponding S3 buckets. The contents of the SFTP server should be deleted after each successful sweep and database update. All steps, file formats, database tables, and column names are clearly outlined in an XD file, which also contains UI designs for the modal popup dialogs. Ideal freelancer qualifications: - Proven expertise with Vue 3, Nuxt 3, and Java 21 - Spring Boot 3 - Proficiency in Webservices, SFTP, and MYSQL running in RDS on AWS - Experience with creating and implementing modal popups - Familiarity with logging transactions in a database Please note, only bidders with the specified experience will...
I n...into another video. After extraction and expansion, the video should be 100% lossless. Key functionalities: - Real-time progress tracking: Users should be able to see the progress of their tasks in real-time. - Batch processing of videos: The app should support the processing of multiple videos at once. Ideal candidates for this project should have: - Extensive experience in desktop app development for both Mac and PC. - Proficiency in creating intuitive GUIs. - Familiarity with video compression and steganography tools. - Ability to implement real-time tracking features and batch processing capabilities. Please note, the compression and steganography tasks have already been built, the focus of this project is to encapsulate these functions into a user-friendly des...
I'm looking for a developer proficient in Node.js for the frontend and Spring Boot for the backend. The goal is to enhance my existing application by adding new features, specifically focusing on data visualization and API integration. Ideal Skills: - Proficiency in Node.js and Spring Boot - Experience with API Integration - Skills in Data Visualization - Strong Frontend and Backend Development Background
I'm looking for an experienced full-stack developer familiar with Angular and Spring Boot to help design and build a web application inspired by The application should facilitate both appointment booking and blog writing, and will be hosted on AWS. Key Features: - Dual focus on appointment booking and blogging - A simple yet robust blogging platform where the author can write about any topic - An appointment booking system with options for cancellation and rescheduling - A simple yet minimalistic website. Additional Requirements: - The application should be hosted on AWS - Should be designed and built from scratch, taking inspiration from the provided example Please review our existing website, , to understand our current design aesthetic
...networks & proxy IP to spreadsheet 5. Perform some generic user behaviour on those platform similar to human behaviour, to prevent platforms to consider these accounts as not human. 6. Server where emulated devices run can support 5-10 devices open at the same time. Close devices that were configured and move to next ones. This is done from a management platform - docker. 7. After managing a 30-100 batch of accounts. I need you to open back each emulated device (5-10 at a time) and perform again a few scrolling and clicks to mimic normal human behaviour and ensure accounts were not closed/blocked by the social network. Blocked/failed accounts should be fixed/created back. At delivery all should work not blocked. This should take about 2-5 minutes per account. We will start...
...Please refer to the attached flyer for design style and content inspiration. We are looking for something along similar lines but with a fresh and unique look that aligns with our branding. Requirements: Course Details to Highlight: Course Name: MS-Excel Mastery Learn skills from Basics to Advanced. Perfect for: Students, Professionals, Business Owners. Admissions Now Open for the January 2025 Batch! Price: ₹5500 (Original Price: ₹6999). Course Highlights: 100% Live Training with Industry Experts. Industry-Oriented Syllabus. 10+ Hands-On Projects. Live Doubt-Clearing Sessions. Post-Course Support (Live Sessions). Certificate of Completion. Languages: Marathi + English. Duration: 2.5 Months. Include a QR code for a free demo. Add website and contact details: Website:
...triggers - Create dual-destination workflows for: - Meeting summary extraction - Transcript processing - Video downloads - Content distribution to both platforms ## Phase Two: Content Migration **Data Export Process** - Extract historical Fathom meetings - Download existing recordings - Process archived transcripts - Collect past AI summaries **Content Organization** - Batch upload to Google Drive - Populate Notion databases - Verify data integrity - Implement metadata tagging ## Phase Three: AI Integration Preparation **Database Optimization** - Structure data for AI accessibility - Implement indexing system - Create query-friendly formats - Set up security protocols **API Configuration** - Set up authentication systems - Create data acce...
I'm looking for a skilled professional to provide support on an existing AEM setup.
I'm seeking an experienced developer to implement OAuth 1.0 for my RESTful service. The service, designed with Spring MVC, interfaces with an existing customer event API. Key Responsibilities: - Implement token-based authentication, user authorization, and API client identification via OAuth 1.0. - Design and develop a secure, efficient RESTful service interface. - Integrate the new service with existing APIs. - Build RESTful Web services using the JAX-RS API. Ideal Skills and Experience: - Proficient in Spring MVC and JAX-RS API. - Extensive experience with OAuth 1.0. - Strong background in developing and integrating RESTful APIs. - Capable of implementing secure authentication for web-based API clients. Please note, the primary clients for this service will be web ...
I'm looking for a proficient developer with extensive experience in Magento 2 and Shopify API Integration. The project involves synchronizing product-related data from Magento 2 to my Shopify store. Key Requirements: - Set up scheduled batch updates for product synchronization. - Ensure synchronization of product descriptions and images, inventory levels, as well as pricing and discounts. Ideal Skills: - Strong understanding of Magento 2 and Shopify. - Proven experience in API integration. - Ability to set up and manage scheduled tasks.
...com), seeking a proficient website developer to design and develop our new website from scratch using Angular for the front-end and Spring Boot for the back-end. The website should be hosted on AWS and the raw data needs to be stored on our GitHub repository. We aim for a website that is SEO-friendly and includes several key features, with a minimalist design utilizing bright colors on a white background. An example website we admire is Key Requirements: 1. Front-End: o Framework: Angular o Responsive and user-friendly design o SEO-friendly implementation o Bright colors on a white background o Minimalistic design approach 2. Back-End: o Framework: Spring Boot o Efficient and secure data handling o Integration with AWS for hosting 3. Hosting: o Host the website on ...
I am looking for an experienced professional who can integrate SAML with Azure Active Directory (AD) to enable Single Sign-On (SSO) for our internal company applications, specifically our Intranet portal. Key Requirements: - Expertise in Azure AD and SAML - Previous experience with SSO implementation - Familiarity with integrating SSO into internal company applications This project is crucial for enhancing the user experience and streamlining access to our internal systems.
...currently have a problem with automatic recurring invoices, they're all generated with the same invoice number for all customers on that same day, it needs to be fixed so no two invoices have same invoice number. 2) Normally the system will automatically generate recurring invoices and send them to the customer via email and attach the invoice as a pdf, which always worked like this. however on Jan 1st batch of emails were sent with no attachments, I had to resend the invoices again to have them include the attachments. 3) Settings > Custom Contact Fields > Add Custom Field. I want the choice to have the newly created custom field to be visible in admin panel and customer panel, or only admin panel. because currently it shows on both admin and customer panels. 4) Custo...
I need a skilled photo editor to retouch a small batch of personal images. - Editing Scope: The selected freelancer will be responsible for enhancing the photos by removing blemishes and smoothing out surfaces. - Quantity: The project involves retouching 1 to 10 photos. - Intended Use: These images will be used for personal purposes, so a high level of discretion and professionalism is required. Ideal skills for this job include photo editing experience, proficiency with editing software, and a keen eye for detail.
Request for Photoshop Templates for Youth Soccer Club Media Project Description: I am looking for a skilled graphic designer to create a set of reusable Photoshop templates for my youth soccer club. These templates will be used weekly during the spring season to create engaging and consistent content for Instagram and Facebook. Deliverables: Customizable Photoshop files (PSD) for the following topics: Team Invitations for New Players Sponsor Mentions Game Day Announcements Score Updates Tournament Participation Highlights Player Profiles Team News Updates Player Signings Additional Soccer-Related Content (e.g., Training Updates, Milestones, Motivational Quotes) Design Requirements: Templates must be optimized for Instagram (square) and Facebook (landscape). Easily editable layer...
I'm seeking an expert in Zoner Photo Studio X to create an extended background batch for my image processing needs. Requirements: - The batch should resize images to 8.5 x 11 at 300dpi. - The batch should also extend the background of these images. Ideal Skills and Experience: - Proficient in using Zoner Photo Studio X - Experience in creating custom batch processing sequences - Strong understanding of image resizing and background extension
...provided character designs (illustrated by our designer, Liz). 2. Follow the scripts and storyboards we provide for each video. 3. Ensure the animation includes engaging movements, transitions, and a focus on phonics sounds. 4. Deliver high-quality, child-friendly animations optimized for educational purposes. Project Details: • Each video: 5 minutes long. • Total videos: 5 episodes (initial batch). • Delivery timeline: 1 episode every 2 weeks. Requirements: • Proficiency in 2D animation software (e.g., Adobe Animate, Toon Boom, or equivalent). • Experience creating content for children’s education or storytelling. • Ability to collaborate and communicate effectively during the production process. Budget: • Cost per video: $[I...
I'm in need of an Illustrator script that can automate several tasks for me. This includes creating layers and renaming them, creating text labels, and changing stroke and fill areas. Key Tasks: - The script/s should be able to create layers and rename them according to specific guidelines. - The scrip...including font style and size, alignment, and text color. - Lastly, it should also manage modifying stroke and fill areas. Ideal Skills and Experience: - Extensive experience with Adobe Illustrator scripting. - Strong understanding of Illustrator's layer, text, and color management systems. - Ability to create a script that can handle batch processing and save files in specific formats as well. I have attached an example of how we receive the raw file and an ...
I need a skilled Java Spring Boot developer for creating a REST API service. This application will primarily manage product data. Bangalore or Hyderabad based are preferred Key Features: - Implementing Authentication to secure the API - Conducting Data validation to ensure data integrity - Enabling CRUD operations for full data management - MySql data base handling from Java and respond to Web and Mobile applications using APIs Ideal Skills: - Extensive experience with Java Spring Boot - Proficient in designing and developing REST API services - Strong understanding of implementing Authentication and Data Validation - Skilled in CRUD operations - Experience working with product data
I'm looking for a skilled Java Developer who can create PDFs on the server-side for the purpose of generating reports or analytics. Key Responsibilities: - Develop server-side Java code to create PDFs - PDFs will include various types of data such as graphs, charts, images, and tables - Data will be sourced from a database Ideal Skills: - Extensive experience with Java, Spring Boot - Proficient in server-side programming - Understands PDF creation The PDFs will primarily contain data retrive from database. Need two generate two pdf reports. Report1: Health report of two page. It is straight forward get data from database and dispaly Report2: Get datafrom database. Arrange in table. This report also contain graph generated from data.
