What programming language is used for apps jobs
I'm looking for a simple drumming app to be developed for both iOS and Android. The core functionality of the app should be a virtual drum kit. Key Requirements: - Development of a basic yet functional virtual drum kit - Cross-platform compatibility (iOS and Android) Additionally, I want the app to feature: - A single native hand drum with our logo on it Ideal skills for the job include: - Proficient in both iOS and Android app development - Experience in creating interactive music apps - Graphic design skills to integrate our logo into the app Please note, this is a straightforward project focused on functionality rather than complexity. I look forward to your proposals. The app should include preloaded custom sounds. The app should also inclu...
I'm looking for a developer to create a social interactive app tailored for our manufacturing personnel, including engineers and operators. This app serves multiple purposes: - Company News: A section dedicated to the latest updates from our company. - Social Interaction: Users can post questions, share pictures, and engage with each other. The more they interact, the more 'farming points' they earn, which can be redeemed for company merchandise. - AI-Enhanced Knowledge Search: Instead of a simple PDF search, users can utilize an AI tool to navigate our company knowledge base. This will also check the news feed for similar issues faced by other users, with points awarded for participation. - Parts Ordering: Users can search for par...
...WhatsApp. This AI is an AI companion Girl Friend and should be able to have conversation with a user using specific open source LLMs designed for girl friend companionship conversation available on HuggingFace and other sites. This AI should have the ability to send and receive both text and media messages (photos and videos) and should utilize advanced natural language processing to facilitate engaging and dynamic conversations. A key capability, and challenge, in the project is the AI MUST know when the user is asking for media as well as suggest media and respond with the right media along with text that matches the media. Key Features: - Conversational AI Companion Girl Friend conversation using opensource LLMs specifically designed for...
I'm looking for a comparative study on obstacle avoidance algorithms utilizing the Robot Operating System (ROS). The focus of this project will be on reactive and hybrid algorithms, specifically applied to wheeled robots. Key Aspects of the Project: - Evaluation of Accuracy: The primary performance metric to be assessed is the accuracy of the obstacle avoidance. - Utilization of ROS/Gazebo: The study will strictly employ the Robot Operating System (ROS) for the simulation (Gazebo) and testing of the algorithms. - Focus on Wheeled Robots: All evaluations and comparisons will be conducted using wheeled robots. Ideal Skills and Experience: - Extensive knowledge and experience in robot programming, specifically with ROS. - Proficient understanding of both re...
I need logo for my website Name: clean code My website for programming
I have a completed Revit project that requires some enhancement on the walls and columns without altering the overall mass of the structure. Key tasks include: - Enhancing the thickness and structural detail of the walls - Adjusting the placement of the columns Ideal candidates for this project should have: - Extensive experience in using Revit - Strong understanding of structural design - Ability to enhance design without changing the mass of the structure
I need an Arduino project that involves LED lights shaped as a moon and stars. The lights should turn on at specific times that is 7th day, of every month stay solid once they’re on and not perform any other functions. Key Requirements: - The lights should turn on at specific times every day. - The lights should stay solid once they're on. - The lights should not perform any additional functions (e.g. changing brightness, blinking, etc.) Ideal Skills: - Proficiency in Arduino programming. - Experience with LED light projects. - Ability to set up a fixed schedule for the lights. The goal is to have a starry night sky in wedding frame , and I would like the project to be simple and to the point.
I am looking for someone to create a short-form video platform that will be very similar to TikTok and Instagram Reels, but with a few small important changes. This will be for Android, iOS, and web. Requirements: - You must live in the USA. - You must speak English as your first and primary language.
I need a cross-platform (iOS and Android) AppSheet application. The main functionality involves scanning a QR code, which contains a URL leading to different forms based on the code's parameters. Key Requirements: - The app should be able to interpret a QR code and, depending on the URL it contains, direct the user to the appropriate form (form 1, form 2, etc.). within the app sheet - The f...URL it contains, direct the user to the appropriate form (form 1, form 2, etc.). within the app sheet - The forms need to be interactive and allow users to fill them out before submission. Ideal Skills: - Proficiency in AppSheet - Skills in creating interactive forms within an app Your proposal should highlight similar projects you've worked on, and please provide examples of your cross-p...
I'm looking for a proficient mobile app developer who can create an engaging and interactive Android-based social networking app. Key requirements: - Proven experience in mobile app development, specifically for Android - Strong skills in UI/UX design to ensure the app is user-friendly and visually appealing - Previous work on social networking apps would be a significant advantage - Ability to integrate features such as messaging, friend requests, and news feeds - Implement extensive user privacy controls to manage who can see their posts, photos, and personal information. - Add a feature for live streaming where users can broadcast live videos to their friends or followers. - Incorporate content moderation tools to report and manage inappropriate...
Hey all! I'm looking for someone who can do it all for me. My project needs and artist, designer who can provide images of solar system planets, some of which may require using best available data and the rest would be up to you to create. Our project is web and mobile based which means there needs to be a fine line between extremely high resolution imagery and load times. 3D Planet modeling (high resolution) Delivery will be whole planet 3D Planet Topography / Map (high resolution) Delivery will be incorporated on the whole planet but also provide flat extremely high resolution file. Example of type of work, reference loading time. If this is you, I'm ready to hear from you.
I'm in need of a talented illustrator to design 5 main characters for a mobile application (alike to language learning app style). Key Requirements: - Experience in creating flat, cartoonish character illustrations, preferably for mobile apps. - A portfolio demonstrating similar work, especially in a cartoonish style. - Ability to understand and incorporate design guidelines for mobile applications. - Flexible thinking and the ability to create diverse characters in a variety of positions - Experience in incorporating user feedback into character design iterations. Ideal Skills: - Character Design - Flat Design - Illustrator - Graphic Design - Flexible thinking - Creating cartoon characters for apps Optional skills (not required): ...
I'm seeking an architect based in Montenegro, who can work with an existing design I have for a project. Ideal skills and experience include: - License to work as an architect in Montenegro - Experience working with building documentation in Podgorica or nearby cities - Strong communication skills, 1 language: english, spanish or italian. Availability for this stage: some hours during the first half of february.
I'm seeking a freelancer to develop an AI agent capable of generating articles and blog pos... Key aspects of the project include: - The AI agent should focus on creating articles and blog posts. - The integration should allow for organizing ideas and notes, as well as facilitating brainstorming and creative thinking. - The AI should be able to gather information for content creation predominantly from user input. Ideal Skills and Experience: - Proficiency in AI and content generation systems. - Experience with MyMind and ChatGPT or similar platforms. - Strong understanding of web scraping and database management. - Excellent programming skills, preferably in Python or JavaScript. - Previous work in developing interactive AI content creators is a plus. ...
1. Project Goal The goal is to create a program that plays Polish checkers (8x8) at a very high level. The program should be extremely difficult to beat and use all possible strategies and tricks. The most important rule that the program must implement is "if you miss a capture, you lose a piece". Most checkers programs do not include this rule, so it must be a priority. 2. Key Requirements Advanced AI – the program must play at a high level and be hard to defeat. The "if you miss a capture, you lose a piece" rule – most important! Capturing is mandatory, but if the player does not capture when possible, they lose the piece – the program does not force the capture but simply removes the piece if the player fails to make the m...
I am in search of a native German speaker who possesses a profound comprehension of informal language and is capable of reviewing the bullet points in my marketing material. The language must be both accessible and alluring to a broad spectrum of potential consumers, as the target audience is the general public. Primary Requirements: - Proficient in the German language and grammar - Experience in marketing language - Capacity to communicate in an informal manner - Comprehension of the general public's requirements and preferences This endeavor is an ideal opportunity for freelancers who have a strong understanding of informal German and have a background in marketing. Your responsibility will be to guarantee that the bullet po...
I'm on the hunt for a commission-based sales professional with proven results in B2B technology sales, specifically targeting CTO/COO/CXO decision-makers in the US. Your primary focus will be selling our comprehensive Virtual CISO/CIO services, with an emphasis on Building Security Programs, establishing Operational processes around security and Compliance, and ensuring Data Privacy across the company. We work with their existing teams to fill the gaps, whatever that might be with our in-house, US based experts. Key Responsibilities: - Utilize your existing contacts to generate leads, no cold calling (please)! - Attend and network industry events where C level executives are looking for solutions. - Sell our consultative/advisory services to help SMB's and Enterpr...
I'm seeking a proficient C# programmer with robust audio programming experience to develop a beat player (see image) as part of an app (Windows and Mac) for songwriters. The beat player will play back sampled drum sounds in a loop, with the rhythm chosen by the user. It will have 12 different beats. Key Requirements: - A deep understanding of C# with a focus on audio programming. - Experience in cross-platform application development specifically for Windows and Mac. - Prior experience in audio application development is a significant plus. The application will not include user accounts, real-time notifications, or data synchronization features. However, the ideal candidate will be able to deliver a seamless, efficient and user-friendly audio ...
I'm looking for an iOS app developer to create a photo capturing app that registers GPS positions and timestamps. The photos will be primarily used for business purposes. Key Features: - Photo capture - GPS location tagging - Timestamp registration - Labeling with 2 to 4 words from a combination of pre-defined labels and custom user-created labels. Access Control: The app should support multiple user levels, approximately 2 to 3 distinct user roles, with varying access rights. Ideal Skills: - iOS Development - UX/UI Design - Experience with GPS and Camera Integration - Knowledge of Access Control Systems in Apps - Previous work with photo-related apps is a plus. Please note that the ability to create a user-friendly interface is c...
I'm seeking an experienced Android app developer who can create an application similar to Dex Screener. This app will need to provide real-time updates and sync with various data sources including cryptocurrency...and sync with various data sources including cryptocurrency exchanges, stock markets, and forex markets. Key Requirements: - Proficient in Android app development - Prior experience in developing financial market tracking apps - Capable of integrating real-time data updates - Skilled at syncing with diverse data sources, particularly cryptocurrency exchanges, stock markets, and forex markets - Knowledge of UI/UX principles to ensure the app is user-friendly and engaging I am open to discussing the budget further, but I have set a preliminary budget of INR 30...
I'm seeking a UI designer for a modern, minimalistic dress shopping app. The primary aim of this project is to create an attractive, visual appeal that aligns with this design style. Key Requirements: - Design should embody a sleek, simple and uncluttered aesthetic. - Use of a navy blue and white color palette. - Focus on creating visually appealing elements to enhance user experience. Ideal Skills: - Proven experience in UI design, particularly for e-commerce or fashion apps. - Strong portfolio demonstrating modern, minimalistic design. - Excellent understanding of color theory and visual aesthetics.
I'm in need of a reliable professional to assist with data entry focused on textual information. Ideal Skills and Experience: - Proficient in data entry tasks - Excellent command of the English language - Keen attention to detail - Experience with handling text data preferred Please note, the specifics regarding data sourcing and output format are yet to be determined. However, flexibility and adaptability to various data types and formats could be beneficial.
I'm seeking a seasoned Flutter Flow developer to create a custom widget for image cropping within the platform. The goal is to replicate a user-friendly cropping interface similar to those found in Facebook, Instagram, or WhatsApp. Key Requirements: 1. Develop a custom code that allows for image cropping and re-uploading to the server, mimicking standard functionalities found in popular social media apps. 2. Ensure the cropping tool is user-friendly and maintains the quality of the uploaded image while minimizing upload size. The cropping should not be circular. 3. The functionality should be compatible across Web, Android, and iOS platforms, and work seamlessly with the latest version of Flutter Flow. 4. Provide a preview of the cropped image befor...
I'm looking for a board game designer who can help create an educational board game aimed at teens. Key Focus Areas: - The game should cover Math and Science, Language and Literacy, as well as Critical Thinking and Problem Solving. Ideal Skills: - Strong background in board game design. - Knowledge in educational content for the specified subjects and age group. - Experience promoting critical thinking and problem-solving through game mechanics.
I'm seeking a skilled mobile app developer to create a second version of our Android and iOS logistics tracking app. The app should: - Incorporate GPS tracking - Prevent the OS from putting the app to sleep while an active shipment is in progress (It needs to update our system of its location every X miles traveled or hourly) - Integrate with our internally developed proprietary software's API (Read and write access) The ideal candidate will have extensive experience in mobile development and integrating apps with complex systems. Familiarity with logistics and tracking systems will be a significant advantage. In addition, I would like to discuss the management of our mobile development accounts. If you have experience in this area, please highlight it in your pr...
...container restarts. The goal is to have 3 or more emulators running on the same Linux server, with various Google Play Store apps pre-installed on the Android instances. Key Tasks: 1. Setting up multiple emulators-dockers on a Linux server. 2. install various Google Play Store apps on the Android instances. 3. Testing the setup by closing dockers, stopping the server, rebooting the server, and starting the dockers again to ensure the Android devices resume with persistent data. The expected behavior is to have all emulators retain their state and installed apps after a server reboot. Ideal skills for the job include: - Proficiency in Docker CE - Experience with Android Emulators - Knowledge of Linux server management - Familiarity with Goog...
...Google Vision). Labels for questionable content ("Reviewed Content," "Pending Verification"). 2.4. User Panel Profile Overview: Information: First name, last name, email, phone number, municipality, profile picture. Verification status. Option to re-upload documents in case of rejection. 2.5. Admin Panel (Moderators) List of users with: Current status (pending, verified, rejected). Manual approval/rejection options for verification. 2.6. Compatible Content Types Supported Formats: Text: Posts, comments, and descriptions. Images: PNG, JPG, JPEG (max 5MB). Documents: PDF (for verification and other specific purposes). Videos: MP4, MOV (max duration of 2 minutes, max size of 20MB). Links: Verified URLs for external content sharing. Restrictio...
I'm a mortgage agent in Ontario, Canada, looking for a professional who can help create an engaging and editable monthly email template. This template should provide insights on local housing market trends, mortgage rate updates, and home buying tips. - Tone: The language should be friendly and conversational, making the information accessible and appealing to a wide audience. - Branding: The template should incorporate my logo and brand colors for consistency and professionalism. Ideal freelancer for this project should have: - Experience in email marketing, particularly in the real estate or mortgage sectors. - Ability to create visually appealing and brand-consistent designs. - Excellent understanding of the local Ontario housing market. - Strong copy...
...wrapped tokens on Solana (and vice versa). • Provide technical support for any deployment or bridging issues. • Collaborate with the project team to deliver a scalable and efficient solution. Requirements: • Proven experience in blockchain development. • Familiarity with Ethereum and Solana ecosystems. • Proficiency in Wormhole protocol and cross-chain bridging. • Strong programming skills, particularly in Python and Solidity. • Experience with smart contracts and token deployment. How to Apply: To ensure you’re not a bot and have read the full description, include the words “Purple Hearts” in your submission. Please provide a brief overview of your relevant experience, links to past projects, and your availabi...
I am seeking developers...creating basic audio recording apps, and managing hybrid backend storage systems. The project requires: - QR code compatibility with both iOS and Android platforms. - Developing a basic audio recording app with primary features such as recording and playback. - Implementing a hybrid storage system, utilizing both cloud (like AWS or Google Cloud) and local servers. Ideal candidates should have a robust portfolio demonstrating similar projects, with a strong emphasis on QR code integration and audio apps. Experience with setting up and managing a hybrid backend storage system is critical. Please provide examples of your relevant work. The preferred timeline for project completion is 3-4 months. The audio recording app should hav...
I'm se...Diffusion - Proficient in web development with a focus on building interactive apps - Able to communicate effectively using a translator - Understanding of image processing and synthesis Add more requirements Responsive Design API Integration Database Management Please note: - The budget is fixed at $400. Bids exceeding this amount will not be considered. -Developers must bid only if they can communicate using a translator. I will only use Korean. The primary functionalities of the app will include image synthesis processing, user authentication, and possibly image upload and storage. However , these specifics need to be further discussed. I am open to suggestions from the freelancer's side. What...
Overview We are looking for an experienced HubSpot Developer to help build a Feature Checker UI Extension for HubSpot. This project will involve developing a fully native app that audits HubSpot feature usage, provides insights, and offers direct links to enable missing features. Project Scope 1. Automate HubSpot Setup Overview We are looking for an experienced HubSpot Developer to help build a Feature Checker UI Extension for HubSpot. This project will involve developing a fully native app that audits HubSpot feature usage, provides insights, and offers direct links to enable missing features. Project Scope 1. Automate HubSpot Setup Custom Object Creation: Automatically create a Feature_Audit custom object to store feature usage data. Custom Properties...
...platform from the ground up, including front-end design and back-end logic. This is not a plugin-based project. * API Integration: Integrate the platform seamlessly with our domain registrar's API. This includes handling API requests for domain registration, transfer, renewal, lookup, and other relevant domain management functions. Experience with [mention specific API if known, e.g., ResellerClub, Namecheap, etc.] is a significant advantage. * User Interface (UI) Design: Create a clean, intuitive, and user-friendly interface for customers to search, register, manage, and purchase domains. A focus on user experience (UX) is essential. * Admin Panel Development: Develop a comprehensive admin panel for managing customer accounts, doma...
I'm in need of a full time, dedicated UI/UX designer who can primarily work on mobile and web apps. The main goal of these designs is to improve user engagement. Skills and Experience Required: - Proficient in Figma - Strong graphic design skills - Experience in user interface design and user experience research - Knowledge of AI tools for faster outputs - Prior experience working on mobile and web applications - Have a strong hold on graphic designing The ideal candidate will be able to create engaging, user-friendly interfaces that capture and retain user interest. Please provide a portfolio showcasing relevant past work.
I'm looking for an experienced mobile app developer who can create a fully functional, high-quality iOS E-commerce app. The app should provide seamless shopping experience to users, featuring smooth navigation, secure payment processing, interactive UI/UX design, and robust back-end support. Key requirements: - Extensive experience in iOS app development, particularly e-commerce apps. - Proficiency in Swift, Objective-C, and other relevant programming languages. - Strong understanding of UI/UX principles, with a portfolio demonstrating past work. - Experience with integrating secure payment gateways and ensuring app security. - Ability to provide support and updates post launch. Please include examples of your previous work, particularly any e-commerce apps...
I need 20 thousand companies name and Email. This should be only from CHINA region and the companies should be manufacturer. This is on urgent basis The data should be provided in an Excel file format. Focus on manufacturers in the Technology industry. The data should be delivered within 2 days. Please include the following details: Email and company name. No Please include the following additional details for each company: None. The data should be collected from: any site. Ensure all email addresses are verified for authenticity and validity. None. Please ensure the emails are specific to the Manufacturing department..
I am looking for a freelancer who can help me with an issue I am experiencing on my static HTML website's contact page. I recently made some changes to the website, and since then, I have not been receiving any emails from the contact form. Skills and experience needed: - Proficiency in HTML and website development - Experience troubleshooting issues with contact forms - Knowledge of email settings and configuration The ideal freelancer should be able to identify and fix the issue causing the contact form emails to not be received. They should also be able to ensure that the emails received are complete and correct.
...job post with full links while keeping it within 15,900 characters: Title: Automated Stage Tracking System for Ti2 Inverted Microscope Project Overview: I need a Python coder experienced in robotics and automated control systems to develop a script that controls a motorized stage. The stage will track a larval zebrafish in a petri dish and keep it in focus under a Ti2 inverted microscope’s camera. Key Responsibilities: Develop a Python-based control system for a motorized stage (2X, 1Y, 1Z axes). Implement automated tracking to keep a fish centered in the microscope’s field of view. Ensure precise and smooth movements using stepper motors. Required Skills: Strong Python programming experience. Knowledge of robotics and automation. Familiarity with step...
...Technical & Programming Files Overview We are seeking a skilled translator with expertise in translating technical and programming-related content from Egyptian Arabic to English. The role involves accurately translating programming files, code comments, documentation, and other technical content while ensuring clarity, consistency, and proper technical terminology. The ideal candidate should have a strong understanding of both software development concepts and linguistic accuracy. Key Responsibilities Technical Translation: Translate programming files, code comments, documentation, and technical guides from Egyptian Arabic to English. Ensure translations maintain technical accuracy without altering the code’s logic or functionality. Contextual U...
...animator who can create engaging and educational 3D animation videos aimed at teaching science to children. This project is centered around creating content that is both visually stimulating and informative, perfect for a young audience. Ideal Skills: - Proficient in 3D animation software - Experience in creating educational content - Understanding of science concepts at a children's level - Ability to create engaging, child-friendly visuals - Strong storytelling abilities to convey educational content. - Experience with audio editing and synching voiceovers. - Experience in designing and animating child-friendly characters. - Ability to write engaging scripts tailored for children's animation. - Proficiency in motion graphics to enhance educatio...
I'm seeking a seasoned mobile app developer to assist in creating an innovative app in the tech industry. Key Requirements: - Expertise in mobile app development - Prior experience in the technology sector - Portfolio showcasing successful mobile apps - Strong UI/UX design skills to create user-friendly interfaces Your role will be pivotal in shaping this project, and I'm looking forward to your valuable contribution.
...financial presentation for institutional investors, primarily aimed at securing investments. The presentation, approximately 20 pages in length, will need to be in French and include 5-7 pages of Excel sheets, featuring repetitive content. Key Aspects of the Project: - The most critical element of the presentation will be highlighting the company's growth potential. - The Excel sheets will be provided, so there will be no need for complex data analysis, but attention to detail and ability to present the data clearly will be essential. - Strong French language skills are a must, as is experience with financial presentations. Ideal Skills and Experience: - Proficiency in French, particularly in a business context - Experience creating financial present...
We are looking for an experienced AI Developer to create a motion detection and object recognition system using OpenCV and machine learning techniques. This system will be an essential part of a security solution designed to detect specific types of movements and send real-time alerts based on predefined conditions. Key Responsibilities: • Develop an AI-based motion detection software using OpenCV. • Implement object recognition algorithms to identify human movement in real-time. • Optimize AI models for speed and accuracy in motion detection, with low computational requirements. • Integrate the AI system with an IoT platform for seamless communication with cloud-based systems. • Ensure the system works efficiently across various environm...
We are deploying services on AWS Connect and we need a person with these Technical Skills: AWS Connect configuration Amazon Connect call flow design Lambda function development Amazon L...Technical Skills: AWS Connect configuration Amazon Connect call flow design Lambda function development Amazon Lex chatbot integration Voice interaction scripting IAM role management Contact flow routing logic Programming Languages: Python (primary) JavaScript Node.js Core Technical Competencies: Voice/telephony system architecture Contact center workflow optimization Real-time communication routing API integration strategies Phase 1 is just to set up and tune what we have already started. check our flows. link to s3 and other data then we will make a new refine project for...
I need a specialist to help me configure our Linux server to utilize the 3CX Call Control API for handling outbound calls directly from the server. This will involve integrating the API with our proprietary software. Key Requirements: - Programming and Linux expertise - 3CX Call Control API experience V20 - Custom software integration capability - Outbound call routing knowledge - Understanding of VoIP systems Please note, the primary focus is on enabling outbound calls exclusively. Understanding and experience with 3CX's API capabilities and limitations will be crucial for this project.
I am looking for a skilled mobile app developer to create an app similar to Club Go, designed for nightlife enthusiasts. The app should allow users to: - Browse and book guestlist entries for top clubs. - Receive exclusive offers and event details. - Manage reservations and VIP access. - Integrate with social media for seamless sign-ups. - Enable club owners to list their events and manage bookings. The ideal candidate should have experience in iOS and Android development, UI/UX design, and secure payment gateway integration. Previous experience with event management or nightlife-related apps is a plus. Please share your portfolio and estimated timeline for development.
I'm in need of a Python expert who can maintain my web scraping code. The code is currently set up to collect data from various news websites on a daily basis. Key Responsibilities: - Ensuring the scraping code runs smoothly and efficiently every day. - Troubleshooting any issues that arise with the code or the websites being scraped. - Implementing updates to the code as needed, such as changes in website structure or scraping requirements. Ideal Skills: - Strong Python programming skills. - Experience with web scraping, particularly from news sites. - Problem-solving skills for troubleshooting code issues. - Ability to adapt to changes in website structures. Your expertise will help ensure consistent and reliable data collection from these news sites.
I'm looking for an experienced mobile app developer using MAUI to create a utility tool app for both iOS and Android. Required to action frontend and UI validation. API will be provided for data. Key Requirements: - Develop a utility tool app that is user-friendly and efficient. - Develop UI and connect to API - Implement a secure and reliable payment gateway - User signin via google , facebook and Microsoft is required to be built - Code will be moved into existing API. Skills and Experience: - Proven experience in cross-platform mobile app development - Strong knowledge in developing utility tool apps - Experience in integrating payment gateways into mobile apps Please provide examples of previous similar projects in your proposal...
We are seeking a skilled translator to convert a 12-page Indonesian regulation document (attached) into clear and accurate English. The document is technical in nature, requiring not only language proficiency but also a strong understanding of legal terminology and regulatory frameworks. The ideal candidate will have experience in legal translation and a keen eye for detail. Please provide examples of previous work and your approach to ensuring accuracy and clarity in translations.