Flash website load time jobs
...mobile app that transcribes speech to text. This sophisticated app should be able to transcribe word-for-word in real-time, with the added feature of allowing users to manually alter listening duration and intervals between words. While I am uncertain about multi-language support at this stage, I am very clear about cross-platform compatibility. This app should be constructed to operate seamlessly on both Android and iOS platforms. Key Requirements: - Expertise in Flutter development - Proven record in developing cross-platform mobile applications (Android & iOS) - A knack for creating minimalist and user-friendly interfaces - Experience in, or knowledge of real-time speech recognition technology. I am aiming for an intuitive user interface that leans toward a m...
I am a chain supplier. I would like to have away to simulate the loads on a weight and chain double hung window system. I am most interested on the load the chain will encounter when a window is opened rapidly and hits the top and stops abruptly.
I'm seeking a 30+ male actor for a one-time acting opportunity on a personal project. Below are the main details for the job: - The role will be revealed and discussed once the actor has been confirmed. - No specific acting experience is necessary for this project. Any person who even don't have any experience may apply in this. - The project's theme is primarily so personal. Ideal Skills and Experience: - A 30+ male actor. - Strong communication skills for discussing and understanding the role. If you're a 30+ male actor with a passion for acting and a desire to take on a unique and engaging role, I'd love to discuss this opportunity with you further.
Warning: This project is for advanced developers. Those that can read complex code structures - I mean it. You must be able to understand ReactJS but also understand a large existing project with little help from me. We're looking for a full-time programmer who is hard working, honest, and enjoys learning. Are you the kind of person where your yes means yes and your no means no? Do you have several years of programming experience with all things ReactJS? Place, "ReactJS developer" on the top of your bid. This full-time position requires attention to detail - someone that understands spoken and written English, fluently. We have enough work for over a year. On the top, after "ReactJS developer", please tell me what was your most difficult ReactJS pro...
We're looking for multiple competent native English editors to trim content and help us improve English language usage across a large batch of tutorials. Starting with a paid trial. Please bid $18.
...functions. The primary goal of this project is confirming the time complexity of a Djikstra-like function that has been implemented in Python. Key Points: - I'm not looking for the development of a new algorithm, but a detailed analysis and confirmation of the time complexity of the existing one in Python. - The main purpose of this analysis is to validate the efficiency of the algorithm. - The results of this analysis are to be used for personal knowledge, rather than for an academic publication or software development. Ideal Candidates: - Proficient in algorithm analysis, particularly in Djikstra-like functions. - Expertise in Python for the implementation and analysis. - Ability to clearly document and present the results of the time complexity analysis. ...
I'm looking for a Django developer skilled in Django Rest Framework (DRF) to improve my existing website with some new functionalities. The features that need to be implemented include: - Translations - Templates - File exports - if you are good in developing a business logic I might consider this part also. Please no AI stuff, no stackoverflow developers, no "bat inklish". No agencies, only people with experience over 2 years in active development. I would only accept submissions that contain portfolio or skill sets based on these topics: (Web app security, Product management, Search, Emails, Payments, Invoicing, Shipping, Barcode scanner, In-store buyers, Translations, Analytics, Logging, *CMS) Accordingly, the main criteria (IMHO, up for discussion): ✅ Experienc...
...strong background in developing AI models for real-time data streams. The ideal candidate should be able to customize these models to cater different sectors. Key Points: - I expect the selected freelancer to have a deep understanding of AI algorithms and models that are suitable for real-time data streams. - The models developed will need to be tailored to the different domains. - The real-time data streams will be sourced from a variety of sources including sensors, satellite imagery, and weather stations. Ideal candidates should have: - Proven experience in the development of AI models for real-time data processing. - Strong knowledge of the environment, water, and agriculture sectors. - A good understanding of the sources of real-time data stream...
I'm in need of an experienced engineer who has a solid background in measurement systems particularly using load cells and load cell amps and basic platform development. The objective is to develop a project which measures loads within a range of 10-20kg , with data input to an Arduino microcontroller. The ability to configure an edge device to continuously stream data to a simple BI dashboard on a desktop is also required. The successful freelancer should have the following skills and experience: - An excellent understanding of load cells and how to operate and interpret readings from them. - Extensive experience using Arduino microcontrollers and able to proficiently program and troubleshoot them. - Knowledge on how to integrate an edge device with this setup,...
I'm seeking a full-time, dedicated UI/UX designer to craft intuitive, compelling designs for a collection of platforms including a mobile application, website, and a software dashboard. Task Responsibility: - Conduct user research and testing to gain insight into user needs and behaviors. - Creation of wireframes and prototypes to guide development processes. - Lead the visual design to truly embody our brand's identity in every product. I do have available design assets and distinct brand guidelines that need to be adhered to, ensuring the unity and consistency of our platforms' layouts and visual elements. Ideal Skillset: - Proven experience in UI/UX design across multiple platforms. - Expertise in wireframing and prototyping. - Deep understanding of u...
...objectives of this project are to optimally allocate resources, load balancing and minimizing blocking probability in the network. Key responsibilities: - Developing efficient, effective routing algorithms suitable for SDN and EON. - Designing and implementing effective spectrum allocation strategies. - Ensuring the network achieves reasonable levels of load balancing without specific requirement. - Each node should have minimum 3 paths that connects to other node. - Use K- shortest path algorithm Skills and experience required: - Strong background in network optimization, particularly in EON and SDN. - In-depth understanding of routing algorithms and spectrum allocation strategies. - Proven experience in implementation of load balancing mechanisms in large-scale...
...through gas especially density and purity. Pressure generates gas and changes its form. Stirling cryocooler consists of a high pressure compression that compressed the gas back a forward that creates the heat exchange and causes the temperature drop that forms cooling as why it is called cryocooler. Now I have to enter more characters, words as asked in order to have enough so that this can be load through for viewing by freelancers. Gas that makes cryocooler possible are reactive. When they are reactive, they can be put through a debouncing effect that causes cooling different and more advance compare to being compressed through pressure. In order for me to choose a candidate, please provide something that will determine my decision as favorable. For example, a brief d...
...illustration, combining elements of both realistic and cartoon styles. This will be a time-lapse project, so I need you to record the entire illustration process, narrating and explaining your creative decisions as you go along. Requirements: - Proficient in both realistic and cartoon illustration styles. - Experience in creating engaging, dynamic illustrations. - Capable of recording high-quality time-lapse videos. - Comfortable with providing a narration of your creative process. - Ability to work independently and provide regular updates on progress. Your task will be to: - Create a custom illustration that incorporates elements of both realistic and cartoon styles. - Record the entire process as a time-lapse video, ensuring high-quality and engaging content. ...
I am currently looking for an expert who can implement an LSTM (Long Short Term Memory) model, using TorchSharp.Net. I need the ability to create a model with 5 features (float), a step window of 10, and 50 hidden neurons. I need the ability to load the model, pass it data and get a predicted value. The final deliverable should be a C# .Net Console application with solution file that includes a file. The data can be random or static arrays. Key Requirements: - Strong knowledge of C# .NET - Proficient in using TorchSharp If you have these skills and are confident in developing deep learning implementations, I would be pleased to discuss the project further with you.
I need an adept C# OpenCV developer to build a Windows desktop application primarily for real-time analysis. Key Responsibilities: - Develop a Windows desktop application using C# OpenCV. - The software must be capable of performing real-time analysis. Ideal Skills: - Proficient in C# programming. - Extensive experience with OpenCV. - Strong knowledge of Windows desktop applications. - Prior experience in real-time analysis programming will be an added advantage. Please provide your previous work samples related to this project or any similar projects. You should be ready to start immediately once hired. I'm expecting a quick and efficient completion without compromising on quality.
I am actively seeking a full time UI/UX designer for our small company. Key responsibilities will include, but not be limited to: • Wireframing and prototyping: Developing intuitive and user-friendly layouts. • User research and testing: Gathering insightful data from users to influence design decisions. • Visual design and branding: Conceiving and implementing an eye-catching modern and sleek aesthetic that aligns with our branding goals. The ideal candidate should have experience in mobile app design and a solid understanding of the modern and sleek design aesthetic. Proven track record in the aforementioned tasks is highly desirable. This is a full-time position with a compensation of 100 USD per month.
I am seeking a seasoned Full time remote Digital Marketing Specialist with a key focus in SEO and SEM for my digital agency. You will be helping me grow my website and client's digital presence. Ideal Skills: • Proven SEO and SEM experience • Understanding of both B2B and B2C digital marketing • Familiarity with the Technology sector • Social media management ( Able to create visuals for facebook/instagram. Plus point if you know how to do videos for Tiktok ) Your track record in delivering results across these key performance indicators will be an integral part in driving our digital strategy forward. Please do take that this is a full time remote position which. It will be a 3 months trial period and salary may bump depending on expertise...
I need an experienced structural engineer to analyze and design the necessary bracing for a 16 foot wall in my residential building. The main goal of this project is to ensure the wall meets the specific building code requirements. Key responsibilities: - Analyze the existing structure: Since the building is primarily made of wood, understanding its current load-bearing capacity and material characteristics is crucial. - Design the bracing: Create and implement a reliable bracing system that will effectively support the 16 foot wall. Ideal skills and experience: - Proven experience in structural engineering: A solid understanding of building codes and safe construction practices is essential. - Familiarity with residential buildings: The ability to adapt engineering solutions to t...
I'm searching for an experienced developer to create a crypto flash coin generation platform based on BEP20 or Binance network. Some of the key elements I want incorporated into this platform include: - User Registration and Login: A robust system that guarantees seamless user registration and login. - Coin Generation Algorithm: Implement an algorithm that facilitates efficient and reliable generation of coins. - Wallet Integration: Integrate a user wallet into the platform for seamless transactions. The design of the platform should be minimalistic, clean, and user-friendly. Your knowledge in cryptography is highly desirable as the system needs to be secure and should employ cryptographic security measures to ensure the safety of transactions and user data. An appreciati...
Hi Amine A., I noticed your profile and would like to offer you my project. We can discuss any details over chat.
Part-Time Data Analyst & Report Writer
I'm looking to have an app developed for both iOS and Android platforms which will primarily serve as a time-tracking tool for freelancers. Here is what I need the app to do: - Time Tracking: The app should allow freelancers to easily track their time spent on different projects and tasks. This feature should be user-friendly and intuitive. - Progress Tracking: Besides time tracking, I also need a feature that allows for the tracking of project progress. This could be a percentage completion bar or any other suitable method. Your ideal skills for this project include: - Proficiency in both iOS and Android development - Experience in developing time-tracking apps - Understanding of user-friendly design and intuitive UX - Ability to integrate a progr...
I need a WooCommerce plugin that will enforce a time limit on the user's cart with specific products. - **Product Specification**: The plugin should allow me to specify a particular product for time-limited checkout. - **Time Limit Enforcement**: The customer should be prompted to complete the purchase before the time limit expires. - **Automatic Removal**: If the customer exceeds the time limit, the specified product should be automatically removed from the cart. Ideal Skills and Experience: - Proficient in WooCommerce and WordPress Plugin Development - Competent in PHP, JavaScript, and MySQL - Previous experience in developing time-limited cart functionalities is preferred - Strong understanding of e-commerce practices and customer experi...
...requests for processing and report generation tasks. This role involves time-series (FLUX) work which many developers might find challenging. Key Information: - Focus on real-time data analysis: Your primary aim will be to analyze data in real-time and manipulate it in useful ways. - InfluxDB experience preferred: For this project, you will need to familiarize yourself with or have prior expertise in InfluxDB as this is our specific time series (FLUX) database for storing and querying data. - Predictive analysis reports: From the processed data, the expectation is you will be able to generate predictive analysis reports. Ideal candidates would be individuals with deep knowledge of Fast API Python and InfluxDB for real-time data analysis and trend p...
I'm looking for an experienced and reliable full-time React/Django developer to build a web application. The developer should be based in the US timezone and should have the Hubstaff time tracking app installed. The chosen candidate will be paid 1000USD per month Functionality specifics weren't provided at the beginning, but we'll discuss these as the project progresses. Since the project is not time-bound, the importance lies in the development and maintenance of high-quality code rather than on haste. Ideal Skills & Experience: - Proficiency in React and Docker, AWS - Exemplary track record of developing web applications - Ability to work Full-time and in the US timezone.
Feel free to ask any questions for clarity. Need assistance to connect my ESP32-2432 microcontroller to my Windows system. With an intermediate level experience, I need guidance and walkthrough for the overall process. The final goal is to create software able to: - Load PDF files stored locally on the microcontroller - View these PDFs - Provide annotation capabilities to these PDFs The ideal freelancer: - Is proficient with ESP32-2432 microcontrollers - Has extensive knowledge in software development for embedded systems, particularly with PDF viewer development - Strong understanding of memory management on these devices - Excellence in explaining technical details and instructions in a simple, clear fashion.
I'm in need of a skilled individual with experience in loading products onto Amazon for sale. Key Responsibilities: - Load less than 100 products onto Amazon - Work on SEO-friendly titles and descriptions - Understand and target a specific audience The ideal freelancer will: - Be competent in English - Have experience in loading products onto Amazon - Be able to work independently based on provided instructions - Suggest and implement SEO optimization strategies for product listings - Demonstrate an understanding of and experience in targeting specific market segments Looking forward to working with you!
...phase, I am in need of a civil engineer who can develop detailed floor plans that are both functional and adhere to local building regulations. - Design MEP plans: I require the expertise of a professional who can create Mechanical, Electrical and Plumbing (MEP) plans that are efficient, safe and meet the requirements of a residential building in Michigan. - Develop truss load plans: I need an expert who can help develop truss load plans which adhere to local building codes and can withstand Michigan's weather conditions. The ideal candidate for this project will have a proven track record in civil engineering, particularly with residential projects and will also be familiar with Michigan's specific building regulations. Experience in developing MEP and truss lo...
i have a few functions that need to be done. you will have to load a excel doc to get everything to work but most aren't horrible.
...looking for a skilled developer who can create a real-time GPS tracking app for both iOS and Android platforms. Here's what I need: - Compatibility: The app should be functioning flawlessly on both iOS and Android devices. - Real-time GPS tracking: One of the core features of this app is to provide real-time GPS tracking. This means the user should be able to see their own location and the location of others in real-time. - Interface: The intended way for users to interact with the app is through a map interface. This design choice is aimed to make the user experience as seamless and intuitive as possible. Ideal candidates for this project should have experience in: - Developing for iOS and Android platforms - Implementing real-time GPS track...
I'm in need of an experienced full-stack developer proficient in both Python and Java. As a dedicated developer on this project, you would: - Develop the frontend using Python - Design and build back-end services with Java Skills & Experience Needed: - Proven experience as a full-stack developer - Proficiency in Python for frontend development - Proficiency in Java for backend development This job requires the ability to quickly learn and adapt in a fast-paced development environment. If you have the skills and experience detailed above and are excited about joining the team, I encourage you to bid on this project.
As a sole proprietor, I'm looking for a skilled Web Developer with a strong...modern and responsive site design. - The layout should be updated to enhance user interaction and user experience. Performance Enhancements: - Improving page load speed is crucial for my site's performance. - Mobile optimization is also required to provide a seamless experience for mobile users. SEO Enhancements: - I plan to increase organic traffic to my site. - Improve ranking for specific keywords. - Enhance backlink profile to boost SEO. Ideal candidate should have a proven track record in website design, improving site performance and SEO strategy with the commitment to stay updated on the latest trends and changes in SEO. Website:
...in optimizing machine learning inference for high-speed applications is crucial. - Proficiency in PyTorch: Experience working with PyTorch specifically is highly preferred, as this is the library we are currently using. - Expertise in Linux - Knowledgeable about how to parallelize computations. Your responsibilities will include: - Implementing necessary software/code changes to reduce execution time to under 20 ms. - Ensuring the accuracy and reliability of the algorithm are not compromised during optimization (for example, don't employ data quantization) If you can deliver high-quality results within a reasonable timeframe, please reach out. And if you have additional clarifying questions and would like more details from me, I'm happy to help. _____________________...
We are seeking a dedicated part-time employee who is familiar with the Run Diffusion / Stable Diffusion program or is willing to familiarize themselves with it. Experience is advantageous but not mandatory. Responsibilities: - Application and optimization of the Run Diffusion / Stable Diffusion program, primarily utilizing the programs ComfyUI, AutoForge1111, and FaceSwap for image editing tasks - Collaborating with the team to develop solutions and solve problems - Documenting work processes and results Requirements: - MacBook with M1 Chip or higher - Basic knowledge or experience with the Run Diffusion / Stable Diffusion program (experience is advantageous but not mandatory) - Proficiency in utilizing ComfyUI, AutoForge1111, and FaceSwap for image editing tasks - Good programm...
I'm developing an open source WBO whiteboard: In order to optimize better pen writing I want to implement a smooth SVG freehand drawn path in real time. The following code snippet makes the curve smoother by calculating the average of the last mouse positions. The level of smoothing depends on the size of the buffer in which these values ​​are kept. Please look at the example I have attached. Here is the link to the code snippet Please bid only experts. My requests is: Adapt this code to WBO so that the writing quality is as in this code snippet.
...We also want to replace the window with a patio door as per attached sketch. These drawings are required for a planning permission application (Building Warrant as the wall is load bearing, West Lothian Council). Requirements: - Incorporation of specific features: The new open space should ideally incorporate an island counter or a breakfast bar, and/or built-in shelving. Open to recommendations to ensure a cohesive final layout. - Wall size: The wall that needs to be removed spans approximately 5 meters. The architect must ensure that the new design is structurally sound and aesthetically pleasing. The wall is load bearing and a structural engineer will carry out the necessary calculations for the beam. Skills and experience: - Proven experience in architectural desig...
I manage 4 Magento websites on a VPS. Unfortunately, the CPU usage spikes to 100% when there's activity on the backend. I ...Unfortunately, the CPU usage spikes to 100% when there's activity on the backend. I need a professional to optimize the performance and reduce the CPU usage. Key tasks include: - Identifying the root cause of the high CPU usage during backend activity - Implementing optimization strategies to improve overall performance - Applying necessary configurations in Magento or server side to lessen CPU load Ideal candidates should: - Have extensive experience with Magento - Be proficient in server management and optimization - Have a history of identifying and resolving issues related to high CPU usage - Be able to provide recommendations to prevent futur...
As a business in need of a real-time barcode-based inventory control system, I am looking for a skilled freelancer to design and implement a system that will help me effectively manage my inventory. The system will need to be developed from scratch as it does not need to integrate with any existing software or systems. Key Features: - Real-time Inventory Tracking: The system should allow me to track inventory levels in real-time to prevent stockouts and overstocking. - Reporting and Analytics: An essential feature of the system should be the ability to generate detailed reports and analytics. This will help me make data-driven decisions to optimize my inventory management processes. Ideal Skills: - Extensive experience in designing and developing inventory control sy...
I need a freelance expert to assist in calculating heat loss and heat gain through an Excel spreadsheet. Key Responsibilities: - Conduct heat loss and heat gain calculations just for the packaged plantroom. - based on the gains find the required fan flow rate to offset those gains Must be done on excel Skills and Experience: - Proficiency in Excel is a must. - Previous experience in heat loss and heat gain calculations for commercial buildings. - Knowledge of HVAC systems and how to optimize them is highly preferred. I can provide the equipment in the plantroom and the internal and external design conditions
...sending through multiple SMTP servers. Implementation of a load-balancing strategy to ensure optimal email sending performance. Monitoring and logging of email delivery metrics, including delivery rates, open rates, and click-through rates. 2. Email Marketing Application: Integration with the PowerMTA server for sending email campaigns. Ability to create and manage email campaigns, including email design, audience segmentation, and automation. Tracking and reporting of email campaign performance, including delivery rates, open rates, click-through rates, and conversions. 3. Warm-up Guideline: Implementation of an IP address warm-up strategy to avoid being flagged as spam by ISPs. Gradual increase in email sending volume over time to establish a positive IP reputation. M...
I need a professional to create an interactive API news site that comes with a variety of specific features. These features are critical to the uniqueness and usability of the site: - Real-time news updates: The system should be able to update news posts every hour. This will ensure up-to-the-minute news accessibility for users. - Customizable news categories: I aim to offer categories that users can tailor to their liking. Ideal customization should accommodate a broad range of categories, allowing users to set up their favorite news areas. - Social media sharing functionality: In this age of social network reliance, I wish for users to share news posts across various platforms efficiently. This increases engagement and enhances user interactivity. - Dynamic news and events feed: ...
...put it anywhere - Gooble gooble Day 3: Deployed, testing, breaking the front end - advancing the final final copy after 3 years of work. Day 4 financlising and having investors from around the world login and give their 2 cents Day 5: Long term planning if the dev wants to become part of the project full time. Milestones to be disussed - we are outcome orientated, but not set in stone. Why Freelancer now? Same reason Usain Bolt doesnt run the entire relay, fresh legs with some flash and flair - the race is already run when he gets it, and this is run - so if you want to be the ahhh, Usain Bolt of um french duck bread, and your a full stack dev with a personality who wants to blow stuff up and flush millions of Americans worth billions of dollars out of a database...
I'm looking for a proficient Abaqus modeler to develop a model of a slender column based on specific design specifications provided in the job sheet. The task will involve: - Modeling a slender column using Abaqus - Incorporating specific material properties and geometry specifications - Applying boundary conditions for combined loads of axial load and bending moment Ideal skills for this job would include extensive experience in modeling structures with Abaqus, understanding of boundary conditions, and experience in analyzing structures under combined loads. Familiarity with structural dynamics will be a major plus.
I'm spearheading a project to upgrade our Magento website into a headless progressive web app (PWA). Our main goal is to augment the user experience (UX). Therefore, we expect comprehensive improvements across: - User interface design: The design should be modern, trendy, and attractively streamlined to effectively, yet elegantly, direct user attention. - Navigation and functionality: The app should facilitate seamless navigation with clearly defined functions that promote usability and engagement. - Load time and performance: As faster load times directly correlate with higher conversion rates, we desire a significant boost here. For a desirable result, we're seeking freelancers with extensive experience in modern PWA development, an understanding o...
I require an experienced structural engineer to provide a set of structural drawings with basic load calculations for a construction project. These drawings should particularly consider: - Use of coquina rock revetment as per the project requirement. - Precision, accuracy, and adherence to current building codes and standards. Ideal candidate should have: - Proven experience in structural engineering drawings. - Knowledge of and experience with coquina rock revetment. - Detail-oriented approach to work. Looking forward to detailed bids that demonstrate an understanding of the task.
...application and a corresponding dashboard. The primary aim of this project is to provide real-time vehicle diagnostics. Key requirements: - Development of an Android OBD application: This application should be able to collect and analyze real-time vehicle data, particularly including but not limited to Engine RPM, Vehicle speed, Fuel level, Coolant, and other relevant metrics. - Implementation of a corresponding dashboard: The dashboard needs to present this data in an easy-to-understand and user-friendly format. Ideal Skills and Experience: - Proficient in Android development: The chosen applicant should have demonstrable experience in developing Android applications, with a strong understanding of real-time data processing. - OBD experience: Experience wit...
Job Title: Freelance Part time iOS Developer Needed Are you a skilled iOS developer looking for an exciting freelance opportunity? Look no further! We are seeking a talented individual to join our team and help us further work and expand our app slots First initial project Responsibilities: Work closely with our team to understand the requirements and objectives of the project. Implement additional ad slots (pre-decided) within our iOS app using SwiftUI. Ensure seamless integration with our existing backend on Google Cloud Platform (GCP) Firebase Functions. Collaborate with our team to test and troubleshoot these new features. Requirements: Proficiency in iOS app development with SwiftUI. Experience integrating and managing ad networks, particularly AdMob. Familiarity with backend...
I'm looking for a WordPress Plugin that can implement a real-time chat system for a multi-vendor eCommerce platform. Key Features: - Real-time Chat: The primary functionality of the plugin should be to enable users to communicate directly with the vendors through a real-time chat interface. - File Sharing: The plugin should allow users to share files with vendors, facilitating communication and document exchange. - Logistic Enquiry: Users should be able to inquire about the logistics charges for their orders to the vendors within the chat interface. - Requesting Payment: Users should have the ability to request payment details or make payment requests to the vendors through the chat. - Creating Invoice: Vendors should be able to generate and send invoices to use...
I recently updated my AWS Elastic Beanstalk to PHP 8.2 running on 64bit Amazon Linux 2023/4.1.2. Following this update, something appears to have gone wrong, causing our website to go down. Key issues: - The website doesn't load after the PHP 8.2 update on AWS Elastic Beanstalk. - Connection errors are being reported during the deployment process. -Environment health has transitioned from Warning to Severe. 100.0 % of the requests are failing with HTTP 5xx. ELB processes are not healthy on all instances. ELB health is failing or not available for all instances. Website is displaying - Symfony Component ErrorHandler Error FatalError - During inheritance of ArrayAccess: Uncaught ErrorException: Return type of IlluminateSupportCollection::offs...
