Cross compile on ubuntu for windows jobs

...carefully monitor a MySQL database on my Windows system. The app should be able to perform the following functions: - **Monitoring MySQL Database**: The application should constantly monitor my MySQL database and detect when a new record is created. - **WYSIWYG Template Management**: There should be a feature that allows me to manage various WYSIWYG templates. These templates would be used to generate dynamic PDFs based on the new records in the database. - **PDF Generation**: Upon detecting a new record, the application should automatically generate a PDF based on a selected WYSIWYG template. Naming convention based on filed in processing record. Option Password added to pdf. I would like the application to be user-friendly and easy to navigat...

I'm in search of a diligent and detail-oriented individual to assist me on a part-time basis with data entry tasks mainly in the finance sector. Key Responsibilities: - Data Entry: You will be responsible for inputting and maintaining various financial data into spreadsheets and databases. - Accuracy and Attention to Detail: Ensuring the provided data is accurately entered, including cross-referencing and validation. - Data Quality: Assisting in maintaining the quality of the data and suggesting improvements where necessary. Skills and Experience: - Proficiency in Microsoft Excel is a must as this will be the primary tool used. - Previous experience in finance-related data entry is advantageous but not mandatory. - Strong attention to detail and accuracy are hi...

Looking for an expert in operations research and Python to build a solution for a Vehicle Routing Problem with Time Windows (VRPTW). The approach used will follow the column generation theory, entailing problem decomposition into a master problem (handled with Gurobi) and a pricing problem (addressed by the Pulse algorithm). I have a two-part requirement for the program's functionalities: 1. Export Capabilities: - Output the result data in a file format after computation. 2. Algorithm Control: - Include an in-built iteration cap for both the Gurobi and Pulse algorithms. The project have to be delivered in a jupyter notebook, and should not uses classes, just basic functions. The VRP instances will be provided in Excel file format. Python...

We are in the middle of migrating Django to a new server. - Both servers run Ubuntu 20.04, postgres 12, python2.7 - The Django Project is already transferred over - Nginx has been configured - Postgresql has been setup Our struggle is to get the actual application up and running again. Your job will be to: - help to perform a clean export of the postgres database on old server - help to import the postgres database on the new server - ensure the Django application is coming back up smoothly The work will be done using shared tmate ssh sessions.

I'm looking for a skilled app developer who can create a cross-platform application for me. The primary goal of the app is to cater to social work. Key features I aim to include are: - Messaging functionality - Photo & Video Sharing capabilities - Event Planning features The ideal candidate for this project should have experience in app development, particularly for both iOS and Android. Moreover, they should have a strong familiarity with social networking app features and be able to develop a seamless, user-friendly interface for our users. Your attention to detail and creativity will be highly valued.

I'm experiencing an i...configuration and management is desirable. - File Management: The issue seems to be related to file update. You should have expertise in managing files on Windows servers and diagnosing related issues. - Image Handling: The problem specifically pertains to image updating. You should be well-versed in how servers handle image uploads and updates. Your task will involve: 1. Diagnosing the issue: Understand why new image uploads on the server are not being reflected. 2. Resolving the issue: Implementing the necessary changes to ensure that all updates, especially images, are reflected correctly on the IIS server. The image is uploaded successfully on windows, but if i try to access the image through url, it doesn't...

...informational website that I need to be made responsive across all devices. This means that the layout and content on the site should adjust automatically to the screen size of the device being used. Key requirements: - Ensure all elements of the site render correctly on any device. - Maintain the visual appeal and user-friendliness of the site. - Implement best practices for responsive web design. Ideal skills and experience: - Proven experience in responsive web design. - Proficiency with HTML, CSS, and JavaScript. - Understanding of cross-browser compatibility. - Strong attention to detail and design aesthetics. I need help making a website ‘Responsive’ for all devices. I last worked on this site eight years ago but I'm n...

...symptoms --> FOR WOMEN : Fatigue, Weight gain/loss, Mood swings, Sweats, Menstrual irregularities, Premenstrual Problems, Acne, Libido decline, Hair loss, Hirsutism, Menstrual Migraine, and Sleep --> FOR MEN : Lowered libido, weight gain, mood changes, sweating The recommendations should be individualised and based on the symptoms identified. A sleek and intuitive user interface I'm looking for a freelancer with expertise in AI development and a proven track record in healthcare or similar fields. Excellent communication skills and a proactive approach to problem-solving are highly valued. Key Deliverables include - Technical Specifications Document: Outlining the project requirements, timelines, and milestones. - Data Preparation Pipeli...

I came across a minor issue on my website on Digital ocean cloud server. Refer the below error information. I need someone who can fix me immediately in an hour. Error 500 PleskExceptionDatabase DB query failed: SQLSTATE[HY000] [2002] Connection refused

I'm seeking a knowledgeable professional who can guide me through how to view HTTPS calls in Fiddler on Windows that have originated from an Android mobile application (running on either Bluestacks or Nox emulator) This may (or may not) need: - SSL unpinning - ProxyCap to route the traffic to fiddler port The session can be conducted remotely, either through detailed instructions or a shared screen conference call for a more interactive experience. Please demonstrate via a video/screen record that you are able to do this otherwise I won't respond. This should show you opening an app (not a browser) in Nox/Bluestacks and the HTTPS calls then being displayed in fiddler.

I am in need of a document management software that will be compatible with Windows& Mac. This software is intended for use by business professionals, so it should be user-friendly, efficient, and secure. Key Features: - The software should include a document scanning feature, making it easier for users to transfer physical documents into the digital realm. - It should also offer a filing system that is organized and intuitive, ensuring that users can easily locate and retrieve the documents they need. I require a freelancer who has experience in developing document management software, particularly for Windows. The software should be designed to handle a large volume of documents while maintaining high performance. A strong understanding of cyb...

I'm looking for a Python expert who can automate the process of creating and managing multiple Android emulator instances on Windows. The automation should also include installing an app on these emulators and executing specific actions within the app without any manual intervention. Key requirements: - A program in Python that can create and handle multiple Android emulator instances - Installation of an app on these emulators - Full automation, including the execution of specific actions in the installed app without manual intervention - Compatibility with Windows operating system Please note that the app to be installed will be provided via file upload from the computer. Ideal skills for this project: - Proficiency in Python pr...

We are looking for a skilled front-end developer to join our team and help bring our exciting web project to life. As a front-end developer, you will play a crucial role in designing and implementing the user interface and user experience for our website. Key responsibilities include: 1. Translating design mockups and wireframes into high-quality code. 2. Building responsive and interactive user interfaces that engage and delight users. 3. Collaborating with back-end developers and designers to ensure seamless integration of front-end and back-end components. 4. Optimizing website performance and ensuring cross-browser compatibility. 5. Implementing best practices for accessibility and usability. 6. Testing and debugging code to identify and fix issues promptly...

I am in need of a skilled developer to create a group chat application that can be used on both Android and iOS platforms. The primary feature that is required for the app is text messaging. All users must be authenticated using phone number OTP. This project will require the following skills and experience: - Extensive experience with Flutter and mobile app development - Knowledge of implementing and customizing chat features - Proficiency in creating secure authentication systems, specifically phone number OTP - Past experience in developing cross-platform applications Ideal candidates will also have excellent communication skills, be able to work independently, and provide regular updates on progress. The successful candidate will not only be able to delive...

I need help to build Events based website, more details via chat

We are on the lookout for an exceptional Senior Golang & Blockchain Developer to join our innovative team. The ideal candidate will have a robust background in software development with more than 7 years of experience, a strong command over various programming languages, and excellent communication skills. Responsibilities: Develop, test, and deploy smart contracts and blockchain-based applications. Design and implement scalable and maintainable microservices architecture. Collaborate with cross-functional teams to deliver high-quality software solutions. Optimize backend processes using Golang for enhanced system performance. Ensure the integration of frontend and backend systems for seamless user experiences. Containerize and orchestrate microservi...

I require a bespoke drive thru simulator application that will function on Windows. This app will assess the performance of a headset in a realistic 4 lane drive thru environment. It should have the ability to autonomously run overnight, connected to the headset. Necessary tests include various factors, such as: - Audio quality - Connectivity - Battery life The system should provide comprehensive reports concerning any faults or failures with the headset based on the tests. Experience in acoustic engineering, application development, and system testing is crucial for this project. Real-world drive thru scenarios must be accurately simulated to ensure real-life performance of the headset is effectively assessed.

I'm seeking an advanced C# developer with prior experience in creating desktop applications on Windows. Familiarity with TWAIN integration is crucial. Key Requirements: - Advanced C# Knowledge: The ideal candidate should be comfortable and well-versed in advanced concepts. - Windows Desktop Application Development: Previous experience in developing desktop applications on Windows is a must. - TWAIN Integration: You should have prior experience integrating TWAIN for image scanning functionalities. This is a challenging project that requires a high level of expertise in C# and experience in developing Windows desktop applications, particularly with TWAIN integration. If you're confident in your skills and have a solid track record...

I'm seeking an adept professional to develop a cross-platform app for real estate. Available on iOS, Android, and Web, the app's functionalities must include: - Property Search: An intuitive, user-friendly interface for users to search properties. - Filter options: Users can filter search results based on different criteria. - Saved favorites: Users can bookmark their preferred properties for future reference. The app should also facilitate user interaction with features allowing: - User registration/login: Smooth user registration and login process. - Agent registration/login: Smooth Agent registration and login process. - Property listing details: Detailed information showcased for each property listing on Map. - Conta...

Looking for an innovative content creator who's skilled in developing engaging social media posts and videos. Given that our target audience spans both B2B and B2C markets, experience in crafting cross-market content is essential. The ultimate goal of the campaign is threefold: - Amassing greater brand recognition - Bolstering website traffic - Sumptuously generating leads Thus, a track record in successfully achieving these objectives would be a huge bonus. Applicants need to possess an understanding of market-specific appeals and be proficient in embracing a variety of social media platforms and video creation tools.

We are exclusively seeking candidates based in Europe for this position. Please thoroughly review the job posting to ensure alignment with the outlined requirements and responsibilities before applying. Position Overview: We are looking for a dynamic Project and Delivery Manager in the IT or Business sector who excels in project management and embodies an entrepreneurial spirit. This role requires the ability to establish or already have an existing company for collaboration purposes, promoting an entrepreneurial approach to team leadership and development. Main Requirement: Candidates must have their own established company or be willing to establish one to work with us. This unique aspect of the role allows you to approach and engage with candidates who align wit...

Looking for a graphic designer who can create a set of modern and minimalist branding graphics for my product. Photos shows the fruit packer robot in place over a conveyor with multiple units next to each other. Logo, branding colors and photos of machines in a factory are in the data set. Machine currently have a blue logo sticker. This will be removed and replaced with new branding. Orange should be used sparingly as there are lots of machines in a row next to each other and don't want the branding to be over powering. The front an rear needs a location for an ID numbers (shown in the photos) Clear windows can have some branding but it needs to be subtle and not obscure the view too much. The top of the machine is not visible so does not need brand...

Innovation Company Product Manager seeks VBA developer for Excel app development Your resources • Windows 10/11 & MS Office (sorry MS Office MacOS has too many compatibility problems!) • Location with good acoustics, headphones, good internet (so we can have high quality meetings). ESSENTIAL - DO NOT IGNORE THIS! Your skills • Experienced with Excel and Excel VBA coding to professional standards • Good conversational Technical English • Touch typing (we do live meeting notes) • Python OO coding experience would be good Your Technical Knowledge and experience • VBA sufficient so that you can develop (or source and enhance) • Create a professional app/plugin • Create coding standards including trialling GITHUB integration ...

I am looking for an experienced React JS developer to convert a Figma design along with a couple of images into a fully responsive and interactive web application. Key Requirements: - Conversion of 1 Figma design and 2 images into an interactive web application - The web application should be fully responsive and compatible with all major browsers including Google Chrome, Mozilla Firefox, and Safari - Implement user authentication functionality Ideal Skills and Experience: - Proficiency in React JS and modern front-end technologies - Experience in converting Figma designs into interactive web applications - Strong understanding of UI/UX principles - Ability to implement user authentication features - Knowledge of responsive web design and cross-browser compatibility Your r...

I'm looking for assistance with online data entry to Excel. The task is not overly complex but will involve working with reference numbers and ensuring accurate data entry and cross-referencing. Full training will be given and I will explain all. Budget is hourly and $3 max need to have good understanding of English

I'm urgently looking for a skilled web developer to create a clean, minimalist one-page website for my company. Key Requirements: - The website should be one page only, containing all necessary information about my company, the services we offer and essential contact information. - The design should be clean, minimalist and professional, in line with current web design trends. - The site should be easy to navigate and responsive across all devices. Your Skills: - Proficiency in web development, specifically one-page websites. - Strong design skills with a focus on minimalism. - Experience with responsive design for cross-device compatibility. Please provide examples of your past work and let me know your availability. This is an urgent project, s...

!!!Important for the mockup! We would like to at least see the design on the LEFT side view until the final decision is made. The winner of the competition must then prepare the design for all 3/4 pages accordingly!!! Just as important - WE DO NOT NEED A NEW COMPANY LOGO (you can find our company logo as lettering and also as a picture in the attached ZIP_ FILE!) We have a motorhome (DETHLEFFS A6971) with which we travel to motocross events but also to quad tours and other events. The motorhome has the basic color white, with some original stripes that can be removed. We would like to use the motorhome as an “advertising space” for ourselves and are looking for the right design. The basic requirement is that we can cut or plot t...

...developers to build a cross-platform social networking app for both iOS and Android devices. The app main function will contribute to sparking discussions and interactions through cutting-edge features. Key Features: - User profiles to personalize the user experience. - Provisions for users to establish and manage 'Friend Connections' for continued interactions. - Messaging, ensuring both public and private interactions. - Peer-to-Peer Activity Recognition (PPAR) for enhancing user experience. - Live Streaming capabilities, vital for real time content sharing and interactions. - End-to-end (E2E) conversations, facilitating encrypted and private conversations. Ideal developers for this project would have experience in buildin...

I'm looking for a talented logo designer who can create a memorable, professional, and visually appealing logo for a Trucking Transport Company. The logo should draw the attention of my target audience and help establish a strong brand recognition. Key Requirements: - The Name R.T.J. should be inserted on the grill - The word TRANSPORT should be put on the front bumper bar, both carved in one example and straighter cross in another example. - the logo should convey an icon of the front of a truck (see attachment) with the name inside sections. - The logo should be created with some blues, some gold font colours - the logo should be given to me in a few different colour samples I'm on a tight deadline for this project and need i...

I am looking for a tech-savvy professional who can create an application that allows for seamless remote control of ventilation systems. The ability to work across multiple platforms is essential as the application needs to be compatible with iOS and Android devices, as well as Windows computers. Primary Features: - Timer scheduling - Remote control of ventilation systems - Monitoring parameters including temperature, humidity, twilight, and weather - Real-time notifications and alerts - Scheduling system actions - Support for multiple users simultaneously Given the sensitive nature of the data and operations, the application must be secure. Your work will involve implementing advanced encryption to safeguard our communications and data. The ideal candidate ...

I'm in ...leads within the technology sector (Recruitment Agency) and set appointments with potential clients. The ideal candidate for this project should have: - Proven experience in telemarketing and cold calling, especially within the tech industry - Ability to identify and target the right decision-makers - Expertise in generating high-quality leads with detailed business needs - Strong appointment setting skills - Excellent communication and negotiation abilities The primary goal of this project is to set appointments with potential clients, so you should be comfortable with pitching our services and guiding leads through the sales funnel. Please ensure you're able to compile detailed lead information, including business needs, to help us tailor our offering ...

Needs to hire 20 Freelancers Background This project aims to improve the professional performance of AI dubbing and translation in cross-language video, in-time meetings, live streaming, and other applications, which helps to remove language barriers and enhance the user experience. Position: Moderator Responsibilities： 1. Review the quality of AI dubbing & translation, and give scores based on the language experiences and guidelines 2. Achieve the quarter quantity targets (60 cases per quarter) Requirements： 1. Native speakers of Spanish and at least C1 level of German (Switching over is also acceptable) 2. Good command of English (minimum B2 English level) 3. Available to work 60 cases per quarter once (duration: around 1.5 hours) with an up-to-date PC and stable Inte...

...software. Scope: Competitors: The platforms to be analyzed include Saninet 3D Planner, MATICAD DOMUS3D, PALETTE CAD, TILE LOOK, VISOFT, and SPARK VISION. Data Collection: Extract detailed information from the competitors' websites, focusing on: Price Features Customer Support Compatibility Cost Type of Subscription What is included in each type of subscription 3D Modeling Costs: Gather information about the costs associated with 3D modeling for new products, including the data required for the modeling process. Requirements: Pricing Comparison: Compile accurate, up-to-date pricing details, including different subscription plans and any additional fees. Feature Analysis: Evaluate and compare the capabilities of each 3D planner, including customization ...

I'm looking for a professional who can create a mobile photo editor app. This app requires the following functionalities and characteristics: - Editing features: The app should allow users to crop and resize their photos as well as adjust the brightness and contrast. These editing capabilities are essential to meet the needs of my users. - File formats: The app should support JPEG file format, as it is the most commonly used format for sharing pictures. - Multi-platform: The app should be designed for mobile platforms. This means it should run smoothly and efficiently on iOS and Android devices. Ideal candidates should have experience working on photo editing apps and be able to showcase a portfolio of similar projects. They should be proficient in...

I am in need of a skilled developer to build a YouTube shorts editor. This editor needs to be compatible with both Windows and MacOS operating systems. Key Functionalities: - Ability to overlay text on shorts - Include transition effects - Incorporation of sound effects The editor does not require a wide variety of output file formats, as the user opted out of answering related questions. Ideal candidate: - Familiarity with YouTube shorts - Experience in OS compatible software development - Knowledge of text overlay, transition effects, and sound effects integration.

i need a flutter expert to finish and resolve issues in an app and brind support in the future Key Requirements: - Development of a professional business app using Flutter - Compatibility with both Android and iOS - Integration with Laravel backend For this project, I need someone who has: - Proficient experience with Flutter and Laravel - Proven track record in building and deploying cross-platform mobile applications - Strong understanding of backend integration - Ability to communicate effectively throughout the project I believe that with the right skills and dedication, we can create an app that will greatly benefit my business. Looking forward to your proposals!

Build an AI based tool that has auto voice dubbing and auto voice separation for my videos and Auto dubbing for over foreign 80 languages with close captioning text and an AI-based tool that automatically animates, lights and composes CG characters into a live-action MP4 video scene in AI and Machine learning. Build AI based tool for auto dubbing, close captioning text, Create Professional custom 3D Character animates, lights, and composes CG Robot and Alien and creates custom Voices for the video 3D Robot & Alien characters. You will need to help me create any needed AI access and License accounts. I am seeking a proficient developer to create an AI-based tool that automatically animates, lights and composes CG characters into a live-action scene ...

I'm searching for a skilled professional who can help compile and design digital catalogues for our products. Key Requirements: - Experience in creating engaging digital catalogues - Ability to work from information and images shared via email - Keen eye for design and attention to detail - Prompt delivery within a month Ideal Skills: - Graphic design and layout experience - Proficiency with digital catalogue software - Strong communication and project management skills Feel free to provide examples of previous digital catalogues you've designed.

I'm seeking a skilled developer for a puzzle game application compatible with both iOS and Android platforms. Key Features: - Simple yet engaging gameplay mechanics. Ideal Experience and Skills: - Proficiency in cross-platform app development (iOS and Android) - Experience in designing and implementing puzzle game mechanics - Strong understanding of user account management, as well as integrating location services and in-app purchases functionality into app design. Your portfolio of previously developed games, especially puzzle games, would be advantageous when submitting your proposal. Looking forward to collaborations that will bring this game to life.

I'm looking for a cross-platform mobile app developer to create an app focused on daily reporting. Below are some key details to be aware of: - The app needs to be cross-platform, compatible with both iOS and Android devices. - The primary goal of the app will be daily reporting. This means users will be able to easily submit reports on a daily basis. - The app should be intuitive, user-friendly and well-designed. - Security is also a key consideration, as the reports will likely contain sensitive information and should be well-protected. - Please provide examples of similar cross-platform apps that you have developed. - Experience with reporting functionalities and/or data security is a plus. Features of the Application will be, Name...

...model will monetize only on ads) - facility to integrate with local logistic partners for delivery/estimate/tracking In terms of design, I'm searching for a colorful and vibrant style blended with a professional and corporate touch. The user interface (UI) and user experience (UX) design should be cutting-edge, ensuring a seamless and enjoyable browsing and shopping experience for the users. An equipped back office is also a major requirement – one that allows for effective order and inventory management. Ideal bidders will have extensive experience in eCommerce app and website development and a proven track record of delivering high-quality results. Expectations include swift project completion without sacrificing quality. please refer ...

...needs a comprehensive product cross-referencing and price comparison tool developed for my e-commerce website. The tool should be capable of processing data from around 30,000 products across 5-10 different stores. Key Requirements: - Cross-reference 30,000 products from 5-10 stores: The tool should be able to analyze and compare prices for a substantial number of products across multiple listed stores. - Avoiding Captcha and ad blockers: The tool should be designed to function effectively while avoiding common barriers like Captcha or ad blockers. - User-friendly filters: The tool should offer a variety of filters to help users refine their search results. - Display results directly on product pages: The comparison results should be integrated an...

I'm looking for a Unity game developer with experience in creating digital card games for cross-platform deployment on mobile devices and PC. The game should also support seamless, real-time multiplayer gameplay. Key project requirements: - Development of a digital card game front-end in Unity and React.JS - Deployment on both mobile devices and PC - Implementation of real-time multiplayer functionality Skills and experience that are particularly important for this project include: - Strong background in Unity game development - Previous experience in creating digital card games - Expertise in implementing real-time multiplayer features - Ability to optimize the game for performance on both mobile and PC If you have experienc...

Please Sign Up or Login to see details.

I am in need of a skilled software engineer to develop a DICOM printer server software. This software should: - Be compatible with Windows operating system. - Have the capability to print to HP, Canon, and Epson desktop printers. - Support image printing and multiple printer use. Ideal candidates for this job should have strong experience in software engineering and a solid understanding of DICOM features. Familiarity with printer server software is a must, as is the ability to ensure compatibility with named printer brands and operating systems.

I'm seeking a skillful mobile app developer to create a cross-platform e-commerce app. The app will be designed for both iOS and Android. Key Features: - Shopping Cart: A fundamental feature for users to add products to cart and manage their purchases smoothly. - Product Reviews: An interactive review system that enables customers to rate and provide feedback on products. You should have: - Prior experience developing e-commerce apps is a must. - Proficiency in coding for both iOS and Android platforms. - Excellent UI/UX design skills. - Strong understanding of security and data protection in the e-commerce domain. - Capability to integrate payment gateways is highly appreciated. Your primary goal is to build a reliable and user-friendly app that ...

...forms. The PDF must be accessible and functional on both desktop and mobile devices. Document is complete- just need small edits for email and submit button (4 pages in length) Key Requirements: - Formatting Changes: I need assistance in making specific formatting changes to the PDF. This may involve reorganizing content, adjusting layouts, or ensuring consistency in font and style. - Interactive Email Submit Button: I want to add an email submit button to the PDF. This button should allow users to fill the form digitally, then submit the completed form directly via email. - Cross-Device Compatibility: The PDF must be compatible with both desktop and mobile devices. It should be user-friendly and functional regardless of the device used for form submission...

I'm seeking an experienced software developer with in-depth knowledge of AutoIt EXE files. The main goal is to unpack a specific AutoIt EXE version, 3.3.13 an...version, 3.3.13 and help code in other languages (C# prefered) Skills and experience required: - Proficiency in AutoIt, especially in unpacking and analyzing its executables. - Strong understanding of Windows OS, as the unpacking should be done on a Windows machine. - Experience in producing detailed technical documentation is crucial, as I require comprehensive documentation on the process. In summary, the project involves: - Unpacking an AutoIt EXE 3.3.13 for code analysis. - Documentation of the unpacking process in detail. Please include your relevant experience and the estimated time ...

...SFD BMD Cross-section end analysis midsection analysis L/4 partial analysis Shear design Hook anchorage length analysis Content must be included. This must be presented, so please carefully write an explanation in English next to each expression. In other words, make it like Sample, but the structure I'm looking for is exactly what Sample 2 analyzes. However, my object of analysis here is a slightly different length of beam, so I need to write an expression to reflect the difference. 1. write an expression to reflect the difference in the length of the beams, using the sample as a guide 2. write an explanation in English next to each equation. (I need to explain this in front of many people, not just after I solve it, so please write an explanation or interpretatio...

I'm in need of a skilled graphic designer to create a Gif maker that is compatible with both Windows and Mac operating systems. The main aim of the gif is to attract user to open and register to a form in my website I need a gif like the attach file ( i have my box and my voting card that enter to the box) If you have experience in creating similar things, I'm keen to hear your ideas and see samples of your previous work.