Iphone qa testing jobs
I'm looking for a skilled and experienced writer with a deep understanding of iPhone technology. You will be creating a useful and engaging tutorial for beginners, focusing on troubleshooting common iPhone problems. - Your tutorial should target beginner level users, so it should explain concepts in easy-to-understand language, and offer simple step-by-step instructions. - It should cover common issues that iPhone users often face, and provide practical solutions and tips for each one. - A technical background in Apple's iOS is advantageous, as you will need to provide accurate information that complies with Apple's recommended troubleshooting steps. If you have a history of writing tech-focused content, especially around Apple products, then you c...
I'm seeking an experienced embedded software programmer for a Keil 8051 microcontroller. The key functionalities required include: - Control of GPIO (General Purpose Input/Output) - Timer/Counter functionality Preferably, the freelancer should have prior experience with microcontrollers and a deep understanding of Keil 8051. You will be tasked with the development, testing, and debugging of the embedded software codes to ensure efficient and reliable interaction among the said functionalities of this microcontroller. Any experience with real-time operating systems is a plus.
I'm seeking an experienced freelancer to aid in statistical data modell...Studio model. - Confidence Interval: Propose enlightened tips and incorporation techniques for the confidence Interval in the model. - Hypothesis Testing: The model needs to incorporate hypothesis testing. Please, make sure to include in your proposal your approach to these tasks, successful applications will comprise a detailed explanation of your processes and understanding of my requirements. Please note, the type of data for the project is unspecified. Ideal candidates for this project should have considerable experience working with statistical modelling, especially in regards to parameter estimation, confidence interval and hypothesis testing. Advance proficiency with R Studio and ...
I'm seeking a professional who can take my one-minute iPhone video and create a high-impact, 10-second teaser for posting on Instagram Reels and YouTube. The teaser should be modern and edgy in style. The ideal freelancer for this job will have significant video editing experience, a flair for crafting engaging short clips, and an understanding of the visual aesthetics that resonate in today's popular media channels. While the intended emotional response from viewers was not specifically defined, we want the teaser to spark intrigue and anticipation for the full video's release.
I am seeking an intermediate level Unity Developer with a particular interest and experience in developing adventure games for mobile platforms. Key responsibilities include: - Developing an adventure game on a mobile platform using Unity - Collaborating closely with me to ensure the game meets its design goals - Regular testing and debugging to ensure the game runs smoothly. You should have: - Intermediate knowledge of Unity development, specifically for mobile platforms - Previous experience in creating adventure games - An innovative mindset coupled with problem-solving skills - Strong coding and debugging skills. Apply if you have a passion for game development and making engaging mobile adventure games.
**Scope of Work** - Refined firewall configuration - Comprehensive VPN setup - DNS management and perfect execution **Lab Task** - Firewall testing - Solving VPN connectivity issues - DNS configuration
... Pivot, and Trailing Stop loss. The most important requirement of this project is the accuracy of data analysis. Given the nature of this project, freelancers should ideally possess: - Profound understanding of trading and TradingView - Proficiency in ADX, Pivot, and Trailing Stop loss - High-level accuracy and precision in data analysis - Ability to configure paramets - Support for back testing The designed strategy will be primarily used for day trading. As such, freelancers must show a proven track record of successful day trading strategy development. Please note that the focus is not on speed of execution or interface simplicity but on the correct and precise analysis of data. This is crucial for the success of this project and should be reflected in your proposal. ...
General help and support needed with tiny php scripts. Skill difficulty level not difficult if person works with php on regular basis. Access to your own server for script testing required.
...unnecessary loops, or inefficient data structures. Refactor the code to streamline execution and improve readability while maintaining functionality. 5- Query Optimization: Optimize SQL queries to leverage MySQL's query optimizer effectively. Utilize appropriate SQL clauses, such as WHERE, JOIN, GROUP BY, and ORDER BY, to minimize data retrieval and processing overhead. 6- Testing and Benchmarking: Conduct rigorous testing to ensure the optimized solution meets performance expectations. Benchmark the optimized code against the original implementation to quantify performance improvements. Deliverables: 1- Optimized PHP code for searching staff members and their duties, significantly reducing the execution time. 2- Documentation detailing the optimizations applied, inc...
...a proficient and highly ethical individual with a broad understanding and skills centered around iPhone technology, particularly dealing with iMessages. This is intended for my personal use and ought not to evoke any legal implications. Key Objectives: 1. Extract and retrieve deleted iMessages from a phone I do not have access to 2. Ability to monitor an external conversations 3. Ensure the recovery of any lost messages Ideal Skills: • Experienced iPhone software engineer or developer • Proficient in iOS systems and applications with a specialization in iMessages • Strong ethical standards concerning privacy and confidentiality Please note that the main aim is to enhance personal iPhone usage, therefore, knowledge in ethical hacking procedures ...
...system. • Agent Coordination: Your skills in coordinating multiple agents will be a great plus. Evaluation Criteria: The system should be able to evaluate the trustworthiness of other complex systems. Ideally, we'd expect the system to establish a medium trust level with other complex systems. A suitable freelancer for this job is someone who can easily integrate these functionalities into the testing system, and understands the need for accuracy in building a trust establishment system. Past experience and demonstrated skills in JDAE platform for multi-agent systems will be highly favored....
As an established business looking to expand into the realm of FiveM, I'm in search of a skilled FiveM developer with solid experience in server configuration and plugin installation. Your main duties will include but are not limited to: - Setting up the server based on my specifications. - Installing required plugins to optimize functionality. - Testing the server for the smooth running. Key skills and qualifications: - Extensive experience in server configuration and plugin installation in a FiveM environment. - Knowledge and familiarity with Windows Server as an operating system. - Proven track record of delivering high-quality work within specified timelines. - Strong problem-solving skills, detail-oriented nature, and ability to troubleshoot technical issues with effi...
...successful candidate will be responsible for developing a robust arbitrage smart contract utilizing flash loans. This role offers a unique opportunity to not only contribute your technical expertise but also share in the profits generated by your work. Responsibilities - Design, develop, and deploy an arbitrage smart contract using flash loans across various blockchain platforms. - Conduct thorough testing and debugging to ensure security, efficiency, and scalability. - Collaborate with the team to analyze market opportunities and integrate the smart contract with current and emerging DeFi protocols. - Provide ongoing maintenance and updates to the smart contract based on market dynamics and technological advancements. - Stay abreast of the latest in blockchain technology, smart...
I'm in need of a freelancer to update my WooCommerce autoship plugin to PHP 8.2. Detailed Scope: • I currently run PHP 7.3 on my site. I'm aiming to upgrade proactively, not out of any issues I'm encountering. ...tested with the new update include: - Automated recurring payments - Customer profile management - Secure customer data storage Ideal Candidate: The ideal freelancer for this job would have: • Strong knowledge of PHP, specifically PHP 8.2 • Experience with WooCommerce plugins • Previous work with plugins • An existing work environment suitable for plugin updating and testing • Attention to detail to ensure full functionality of the key aspects of the plugin post-update. I look forward to receiving your bid...
I am seeking a skilled programmer specialized in computer and machine vision to develop a robust theft detection system. This project will revolve larg...deployed in a versatile setting, specifically for stores of any kind. With a focus on detecting potential thieves, the system should be highly accurate. Please note, it's paramount that the system has high accuracy rates. Your tasks will include: - Developing a computer vision algorithm capable of recognizing and identifying potential thieves, using object detection techniques. - Training and testing the system to ensure it performs exceptionally in diverse store environments. This project means a lot to me, so I'm looking for someone who will put effort into creating a reliable system. I look forward to working with t...
...shape copper coil collectors into consideration. * I desire the designed PCB to have an efficient charging system, capable of converting charging input to 84v li ion also input 58.6v. - Prototype Testing * When it comes to testing the prototype, the overall effectiveness of the design is my area of focus. I want to evaluate how well the prototype performs, from its overall functionality to the minor details. In terms of skills and experience, I'm looking for a freelancer with an extensive background in electrical engineering, specifically in electronic PCB board design and prototype testing. A strong understanding of EV systems and charging inputs would be highly beneficial. Please keep in mind that I need the freelancer to create a prototype and s...
Hello We need a Functional Bug tester to test our marketplace site for testing Affiliate sign up and traffic sending from a demo affiliate ( you). Top Payout We create milestone for 1 bug $35 First to see if you find one. Not hard . PLEASE READ ALL DOCS SO YOU UNDERSTAND WHAT TO TEST WHAT AREA OF SOFTWARE Let's get started ! See all Zip read all and watch video Do not place bid or fake ones Only place bud after you state " I read all Zip documents and I have no questions - ready to start ! " Or " I read all Zip documents and I have questions - my questions are : 1. .. 2.." after your first results and milestone release for 1 bug , we raise you for $40 per bug and will sent $120 next milestone for you for next 3 bugs.. and so on Ensure y...
looking for a simple digital image for iPhone, 3 versions light grey background Jen Gesick - in script font, underlined, in black The Modern Desert Group - logo in black KW Luxury Logo - in Gold once the layout is approved, we will make the other 2. needs to be 1170 x 2532 {in pixels}
...inoperable.(Change, remove the time-up screen. When the remaining time becomes completely 0, go straight to the results screen. Once cleared, the timer will stop at that moment) 8 - Recording high scores 9 - A. Select two numbers next to each other and then select an expression (current version) →B. Choose one number, choose an expression, then choose another adjacent number 10 - Make it playable on iPhone...
fixes to make 1. I am using AIO SEO to add FAQ section to my blog post but its not getting read by structured data testing too for QUESTION/ANSWER It is reading the blog data but its not showing the QUESTION/ANSWER structure data on the Testing tool PLEASE HELP! 2. I want to add to replace banner that shows on right side, remove the right side box on desktop 3. I want to add responsive header on top and bottom showing certain links. I wi ll give you links 4. I want to add CONTACT form with 4 fields budget: $50 Thank you
I'm seeking an exam invigilator to assist a candidate in Montreal, QC. This is a one-time gig with the potential for future opportunities. We provide test administration and accommodation solutions to test-takers nationwide. For this p...assignments pay hourly for the entire scheduled time, even if the exam ends early. We have a computer exam coming up where a test taker has been approved for a Reader. For this assignment, you are required to be present on-site, sit with the test taker, and read the exam content aloud and enter the answers for them. The exam is being administered in Japanese. The exam is taking place at a professional testing center in Nagoya, Japan. Date: Wednesday, 3 April, 2024 Time: 8:30 am to 1:00 pm We provide full training, and this assignment will...
...developing our oil and gas industry-related eLearning Academy. Required Skill Sets 1. 3-5 Years' experience as WP/LMS developer, with specific experience in Learndash LMS, uncanny toolkit, WooCommerce 2. Proven track record with verifiable experience 3. Command on written and communication English language 4. Detailed-oriented and follows work requirement 5. Structured programming skills 6. Self-testing attitude of own finished work before delivery 7. Expert in writing scripts, cron jobs, and debugging code 8. Expert skills in CSS, HTML, PHP, MYSQL 9. Adhere to the task timeline and detailed logging of work hours 10. Prompt communication with the lead developer and project manager via WhatsApp, Email, phone Work Requirement 11. Debug and fix issues related to WooCom...
...with these moving parts: 1. A questionnaire that collects answers in a database on 20-25 questions in up to 11 categories (see example). 2. Collect payment and e-mail address. The a-mail address and answers are linked to each other. 3. Calculate a score between 1 and 5 for each category (this module should get the answers per each question, but we will program the logic for this ourselves. For testing purposes it's okay to randomly score each category with a value between 1 and 5). 4. A PDF is generated with multiple pages: a title page, a radar graph (see example) and blocks of text with explanations (it's important for us to see how the PDF will be generated, with a radar graph embedded in it and extra blocks of text) Please check out the use case document I have ...
...someone who has experience with MATTER. Just one important thing We asked our partner to develop this but he faced a issue that stopped the project in its tracks To be 100% compatible with MATTER and to be able to say our devices are compatible, we must have a certification To be able to have that kind of certification we must be recognised by the organisation Being accepted to develop in a testing environment is easy and free Being able to register a product in a live environment and be able to sell it, it seems to be more difficult. There's a high annual fee to be an "official" developer/provider of a MATTER device So we need someone or a company that has these kind of access If it's not the case, the project could be developed the right way, but not off...
...As a Firmware Engineer, you will be responsible for designing, implementing, and testing firmware solutions to meet project requirements. Responsibilities: Design and develop firmware for embedded systems using Raspberry Pi and STM32 microcontrollers. Collaborate with hardware engineers to define system architecture and specifications. Implement firmware features to meet project requirements and deadlines. Debug and troubleshoot firmware-related issues throughout the development lifecycle. Perform code reviews and ensure code quality and adherence to coding standards. Work closely with cross-functional teams to integrate firmware with other system components. Document firmware design, implementation, and testing processes. Stay updated with industry trends and advancemen...
We are a pioneering company specializing in the development of advanced cat tracking collars/IoT device that utilizes cutting-edge technology to ensure the safety and well-being of our feline companions. Our mission is to provide pet owners with peace of mind by offering reliable ...download the latest firmware files to their devices. • Conduct thorough research and analysis of hardware documentation and potentially C code to discover and integrate BLE APIs. • Implement firmware update mechanisms, including sending files in chunks over discovered BLE endpoints to devices. • Handle failed update scenarios and implement rollback procedures as necessary. • Conduct comprehensive testing to ensure the reliability and stability of firmware updates, minimizing the risk ...
I am currently seeking a skilled image processing developer for a specific role in my project. Key Responsibilities: - You will be primarily focusing on image segmentation tasks. - The images you will be working with will be of a medical nature. Challenges: - One of the key challenges you will face is dealing with the presence of irregular shapes within the images. Ideal Candidate: ...the key challenges you will face is dealing with the presence of irregular shapes within the images. Ideal Candidate: - Extensive experience in image processing, particularly with medical images is required. - Expertise in image segmentation methods is a must. - A proven track record dealing with irregular shapes in images would be beneficial. - You can only start the project after a simple te...
...day, in a few hours. The animations are not overly complex. You must be available immediately to begin working on this. Examples of the kinds of animations we desire to include: Make all of them scroll events so that when the user scrolls through the elements the stuff animates 3D designs to integrate: ---17:00-17:33 particle effect with words Interactive App UI Design in 3D With Spline! ---Iphone Mockup design like this: Waves animation: 53:00 Create 3D UI Interactions for Websites with Spline - Free course End result similar to this 2:19:20 Create 3D UI Interactions for Websites with Spline - Free course ----Some kind of background animation like this ---3-D pricing cards & stripe logo: 1:23:00 https://www
I'm looking to secure the services of an experienced professional who can proficiently implement a Vulnerability Assessment and Penetration Testing (VAPT) tool. This tool will be employed to identify vulnerabilities and weaknesses within all our endpoint devices - workstations, mobile devices, and servers - which would ultimately improve overall security posture. to implement a Vulnerability Assessment and Penetration Testing tool for conducting vulnerability Assessment and penetration testing on all the endpoints The scope includes the tool to assess the Web Applications (internal and external), IPs, Servers ( any OS), Endpoint machines and Network Devices . Key Responsibilities: - Configuring and implementing the VAPT tool - Conducting assessments and tests on...
...website integrity, as well as comprehensive analytics tools to track website traffic and user behavior. Deliverables and Timeline • Detailed project plan outlining milestones and deliverables. • Figma design • Wireframes and mockups showcasing the website layout and functionality. • Responsive HTML/CSS coding compliant with W3C standards. • Integration with our existing ATS • Quality assurance testing and bug fixes. • Comprehensive website launch Agency Qualifications and Experience We are seeking a web development agency with: • Proven experience in developing websites for recruitment and human resources firms. • A strong portfolio of successful web projects showcasing modern design and functionality. • Expertise in Content...
I'm looking for a skilled web developer to assist me in migrating a landing page to a WordPress platform. As yet, I don't have any content management system installed, however, the selected freelancer should have solid experience in: - Content migration - URL structuring - Testing for functionally and potential issues Since the type of the website to be migrated is a landing page, basic knowledge of SEO optimization will be beneficial. Please submit your proposal if you can deliver this project efficiently and professionally.
...functional and aesthetically pleasing user interfaces. Work type: It would mostly be included creating a front end for the product types like extensions for browsers. Key Skills Required: - Proficiency in HTML/CSS - Strong JavaScript skills - Experience with responsive design - Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS - Familiarity with browser testing and debugging - Good understanding of layout aesthetics The project does require integration with the backend systems or APIs, hence, experience in this area will be considered an advantage. I have skipped the design question, but I will provide more details on this once the project starts. Your creativity and suggestions in design will be appreciated. IMPORTANT NOTES: 1. This is...
...learning models using libraries like TensorFlow or PyTorch. ● Monitor model performance in production and implement strategies for improvement (e.g., retraining, drift detection). ● Deploy AI models to production environments and monitor their performance in real-time. ● Conduct research and stay up-to-date with the latest advancements in AI technologies and methodologies. ● Collaborate with the QA team to ensure the reliability and scalability of AI solutions. ● Collaborate with the project manager and developers to understand business requirements for AI functionalities. ● Document technical work clearly and concisely, including code comments and reports. Required Skills: ● Proficiency in programming languages like Python, experience with libraries like TensorFlow, PyTorch, and...
I'm looking for a developer with intermediate-level expertise in SwiftUI to work on a mobile application specifically designed for the iOS platform. Your role will be critical in developing, testing, and maintaining this application. Key responsibilities: - Conceptualize, design, and develop efficient and intuitive features for our iOS application. - Consistently optimize the application for maximum speed and scalability. - Collaborate with me to understand my needs and translate them into functional requirements. Ideally, you will have: - Intermediate-level experience in SwiftUI. - Proven experience in iOS application development. - A good understanding of working with iOS frameworks. - Familiarity with Apple's design principals and application interface guidelines. - A...
I'm looking to hire an experienced app developer, proficient in both iOS and Android platforms. The main focus of the project is testing and upload of code for play store verification as the code and interface is already done. Ideal Skills:. • Expertise in iOS and Android App Development, testing and upload on play store and app store • Experience in designing reward-based systems Key Features I expect: • A fully functional reward system to incentivize referrals. Feel free to bid if you meet these criteria and are ready to work in a collaborative and agile environment.
I am seeking an advanced level Azure DevOps engineer who can expertly handle Yaml scripting language, and shell scripting. Here is what I need: - Development of a highly efficient Powershell automation script to facilitate certain aspects of the Continuous Integration/Continuous Deployment (CICD) pipeline using Yaml. ...to execute two distinct tasks: 1. Running tests on codes. 2. Deploying code to the production environment. - The automation script developed for Azure DevOps will primarily be used within the Azure Data Platform. Required Skills: - Proven expertise in Azure DevOps and Powershell scripting. - Strong background in Yaml programming language. - Extensive experience in creating scripts for testing and code deployments. - Proficiency in utilizing the Azure Data...
...the original structure. Design Flexibility: Feel free to introduce slight variations in design, but keeping high quality. CSS Usage: Please use existing custom CSS where possible and avoid adding new CSS. Any unused CSS should be removed. Content: Rewrite the site content in French with ChatGPT. Ensure the site is fully responsive across all devices, paying close attention to detail in your testing. SEO: Don't forget the alt-description for images and that there is always a <h1> <h2> <h3>... in every page (when possible) For reference, see how we've previously modified websites for a similar project, providing insight into the expected level of customization and quality: Original: Clones: , , Please prioritize
I'm in immediate need of a talented web and mobile designer who specializes in UI and UX design. Ideal candidates should be comfortable creating minimalist and clean professional designs. The scope of the project includes: - Designing user-friendly and intuitive interfaces - Creating wireframes, user flows, and mockups - Testing and optimizing designs for usability and conversion While I haven't defined the main purpose of the web and mobile app, you can expect diverse and exciting work. Please provide a portfolio showcasing similar projects. Prior experience in web and mobile design is necessary for this role. Sharp attention to detail and excellent communication skills are also vital. I believe a skilled UX Researcher can enhance this project, so please offer your insi...
I need a system capable of streaming live TV channels through UDP multicast for QAM. The eventual goal is to transfers to Set Top Boxes (STBs). The model developed will have features such as: • Capable of streaming media files, particularly, live TV channels, via multicast UDP to STBs. • Have means to ensure media delivery is immediate and accurate. • Provision for testing whether the STBs can receive and properly display the transmitted media. Ideal skills required: • Expertise in UDP multicast. • Proficiency in QAM. • Knowledge of media streaming technology is also essential. • Experience in Set Top Boxes (STBs) functionality and working principles.
...theme, plug-ins, etc is required at every stage / level so that the project is completed thoroughly without having to depend on another agency. Website should load between 3-5 seconds max. Before awarding the project the freelancer needs to have thorough experience in developing a multi-vendor marketplace. We're looking at a maximum project timeline of 30 days to complete everything including testing. Reference - Flipkart will be one reference in terms of the UI / UX, features / functionalities, etc. Freelancer needs to share updated portfolio showcasing previous projects for our reference and decision making. We're looking for someone who is consistent, dependable, and has an eye for design....
I'm in need of an experienced Python developer to build a visual question answering system. Key project requirements include: 1. The system must be able to take in an image and a question and produce an explanation and answer for it. 2. I specifically...and related libraries is crucial. 3. The system should provide explanatory answers in text format. Your experience in Natural Language Processing (NLP) and building similar systems that generate written response will be highly regarded. 4. The dataset to be used for this is GQA-REX and VQA-E 5. Create a relationship between the answer and explanation to maintain consistency. 6. Training and testing should be shown clearly Please make sure that your application reflects these specifics and your previous experience relevant ...
...software application that can be integrated with an online retail website. Documentation detailing the software architecture, AI models used, integration guide, and user manual. A detailed report on the AI model's accuracy and user feedback analysis. Project Timeline: The project is expected to be completed within 4-6 months from the start date, with periodic milestones for initial prototypes, user testing, and final deployment. Application Process: Interested developers should submit a proposal that includes: An overview of their experience with similar projects. A brief explanation of the proposed technical approach and technologies to be used. Examples of previous work, especially in AI, image processing, or web development. Estimated timeline and budget. Proposals wil...
I'm focused on enhancing user experience and functionality on my Fertility website. Specifically, I require a skilled developer to create a responsive, user-friendly pregnancy testing start date calculator to be integrated into the platform. Key requirements include: - The calculator should provide accurate predictions of the potential start date for pregnancy testing. - In addition to basic day calculation, I want the tool to consider more factors. It should account for both cycle length and regularity in order to deliver the most accurate predictions possible. - While the calculator needs to be intuitively designed, incorporating some basic tips for use will be an essential feature to ensure user comfort and clarity. Ideal candidates for this project are those who ...
...Implement calibration functionality in the mobile app. Test and debug the wireless communication system. Skills Required: Experience with wireless communication modules (e.g., Bluetooth, Wi-Fi). Proficiency in PCB design and modification. Mobile app development skills (Android/iOS). Knowledge of sensor integration and data processing. Ability to implement calibration functionality in the mobile app. Testing and debugging skills. Timeline: 1-3 Month Please include relevant experience and portfolio when applying....
I am looking for 2+ years of experience in Laravel development. Below are the key requirements for the position: Requirements: ---------------------- 1. Proven Work Experience: Minimum of 2 years of hands-on experience with Laravel projects. 2. PHPUnit Testing Proficiency: Demonstrated proficiency in PHPUnit testing to ensure the reliability and quality of code. 2. Solid Understanding of OOP SOLID Principles: Strong grasp of Object-Oriented Programming (OOP) principles including SOLID (Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, Dependency Inversion) principles. 3. Extensive Knowledge of PostgreSQL: Comprehensive understanding and experience working with PostgreSQL, including database design, optimization, and querying. 4. Experience ...
...clean, maintainable code and documentation. Experience with user interface design is a plus. Excellent communication skills and the ability to work collaboratively in a team environment. Project Phases: Initial consultation to understand the specific needs of our platform. Development of the AI analysis module. Creation of the AI phone interview system. Integration with college data systems. Testing and refinement phase with stakeholder feedback. Deployment and support. Ideal candidates will bring substantial experience in AI development and have a strong understanding of NLP and voice recognition technologies. This project will require creativity, technical insight, and attention to detail. Let's build something remarkable together!...
I am looking for a skilled Flutter developer to help build a mobile app supporting both iOS and Android platforms. Key Features: - User authentication: The app requires a secure system for user login and registration. - Payment gateway integration: Payment processing should be streamlined and secure. - In-app messaging: Users should be able to communica...integration: Payment processing should be streamlined and secure. - In-app messaging: Users should be able to communicate directly through the app. Skills and Experience: - Experience in Flutter development is a must. - Knowledge of cross-platform compatibility is necessary. - Proven experience with user authentication, payment gateways, and in-app messaging tools. - Strong understanding of performance testing and optimization t...
