需要开发一款防火墙压力测试软件。类似于 但不需要感染，传播等等，并非黑客软件，只需要发包功能 软件需求： 1.支持windows系统 支持linux系统 2.主控需要带有循环，并发等等功能 3.优化syn发出字节数 具体需要的功能很多，有能力发开者继续详谈！ 待遇如下：自开发起每月3000$ 起步。 后续开发其他软甲在另付费！ 当然如果你有很牛的技术，待遇可以在谈！
SQL注入/代码审计/数据库权限/渗透测试技术 接渗透单子高手，联系电子邮箱：aqcp#（#改成@）语言要求：中文 熟练掌握各种内网渗透测试工具与相关知识，精通常见安全攻防技术：sql注入、xss、文件上传、文件包含、命令执行等漏洞 熟悉linux、unix、Windows、oracle、J2EE等各种环境下WEB的安全配置与安全检查及WEB漏洞防范； 熟悉各种脚本语言(asp,php,jsp,java,net、perl、python等)具备独立挖掘web安全漏洞与入侵手段 具备一定的网络安全知识，对网络安全结构、系统漏洞、入侵检测、病毒防护等有深入理论基础和实践经验； 熟悉渗透测试黑客攻防的步骤、方法、流程、熟练掌握各种渗透测试攻防工具有实际渗透经验者优先； 求大虾接单，脱裤，要求，电话，手机，姓名，邮箱，其他的一概不要。每笔单1000美金起步，根据站的难度而定价格,具体可以详谈，寻找长期合作. 态度认真、中介勿扰,请技术实力说话。
Joomla开发人员： 1、精通LAMP（Linux+Apache+MySQL+PHP），精通PHP+MYSQL 1.1 熟练套用各种joomla模板，例如JA或者Rocket系列模板. 1.2 Form表格组件套用 1.3 Payment, logistic gateway接口对接 1.4 Newsletter组件和模块套用开发 1.5 VirtualMart二次开发 2、熟悉各种开源CMS，比如Joomla, 能懂得Wordpress, Zencart，Drupal更好, 熟练掌握Joomla 各种常用组件配置和二次开发。 例如VM, joomfish, 等等 3、了解CSS， Div、Html、JavaScript等网络常用语言。 4、有商业网站页面设计经验。 5、强有力的学习能力。具备良好的创意思维和理解能力，善于协作与沟通，必須按時完成工作及絕對需要有責任感。 6、请提供中文简历，要求提供个人独立完成的作品。 7,能独立看懂英文API和技术文档，优先考虑。
...目工作经验 2、英语六级，听说读写能力较强； 3、善于沟通,表达力强，责任心强，灵活自信,应变能力强； 4、较强的独立工作能力及良好的团队协作精神。 5、逻辑分析能力强，条理性强，有一定的讲解能力； 6、有相关工作经验优先。 岗位职责： 1. 进行嵌入式系统（Embedded Linux）驱动程序开发。 2. 负责系统底层的BSP相关工作，如Linux Kernel移植优化，设备驱动开发、移植和优化。 3. 参与项目需求分析，进行驱动软件的详细设计。 4. 根据公司技术文档规范编写相应的开发文档。 驱动工程师 Software Driver Engineer 任职资格: 1.精通C/C++语言、ARM汇编，熟练使用GCC。 2. 至少两年以上嵌入式系统（Embedded Linux）软件开发经验，精通嵌入式系统软件开发。 3.深刻理解处理器架构，热爱处理器相关技术。深刻理解内存、DMA、中断等概念。熟悉ARM 处理器。 4.精通Linux 下驱动程序开发。有USB、video、audio、UART、IIC、SPI、SD/MMC等开发经验佳。 5.深入理解Linux文件系统、进程管理机制和内存管理机制。 6.熟悉威盛平台驱动开发者优先 必须：至少两年以手机或平板驱动开发经验。 岗位需求： 1、精通 C/C++/Java 编程语言，并且有相关项目开发经验。 2、熟悉Linux下C/C++/Java开发环境。 3、熟悉Linux下 Shell脚本使用。 4、熟悉Android应用编程开发，包括环境建立以及常用调试方法。 5、了解Android Frameworks层和HAL层相关知识，有过相关项目经验者优先考虑。...
网站: PHP+Mysql 系统: Linux系统 服务器: nginx+ PHP+Mysql 1,现这套网站需要代码优化，CSS,JS,等页面优化加载速度...以及部分框架的模块更改调用... 2,网站源码安全性优化 3,网站框架的优化
I'm seeking a professional PHP expert to assist with my current project. Key Responsibilities: - Hands-on PHP web development - PHP script optimization - Integration of PHP frameworks - Debug and troubleshoot code I'm looking for an individual with a solid understanding of PHP, who can help take my project to the next level. Your ability to optimize scripts, integrate PHP frameworks, and tackle web development issues will be crucial. Please provide examples of your past projects, particularly those related to PHP development. Experience and knowledge of PHP frameworks are a bonus. If you're a skilled PHP developer and you're ready to tackle new challenges, I'd love to hear from you.
I need an expert to assist in configuring a Linux VPS. The main purpose of this server is for database management specifically using MySQL. Key Tasks: - Configure a Linux (Ubuntu) VPS with optimal settings for database management. - Install MySQL and ensure it's fully functional. - Implement necessary security measures to safeguard the server and database. - Documentation of the process and any configurations made. The ideal freelancer for this project should have: - Proficiency in Linux (Ubuntu) server configuration. - Advanced knowledge of MySQL and its management. - Proven experience in setting up servers for database management. - Capable of implementing robust security measures to safeguard the server and database. - Ability to provide clear docu...
I'm seeking an expert in digital marketing to handle my campaign. The gig involves: - Crafting and implementing effective strategies - Utilizing the most appropriate social media platforms - Targeting the right audience - Regularly analyzing campaign performance Please bid if you have: - Proven experience in digital marketing - Deep understanding of various platforms - Ability to work with minimal supervision
I'm looking for a pr...optimizing the network performance. - **Packet Filtering:** Additionally, the expert will be required to implement packet filtering on the network traffic in the PCAPNG files. The purpose of this filtering is to enhance network security and troubleshoot any network-related issues. Ideal Skills: - Deep understanding of network protocols and packet structures - Hands-on experience with PCAPNG file analysis - Proficiency in network traffic analysis and packet filtering - Strong problem-solving and troubleshooting skills - Familiarity with network performance optimization and security enhancement techniques While the target operating system for this analysis has not been specified, a general familiarity with Windows, macOS, and Linux operating...
We're in search of a highly versatile .NET developer for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# progra...for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# programming, ASP.NET development, and SQL database) - Experience in various .NET projects (i.e., web and desktop applications, as well as enhancement of existing .NET applications) - Proficiency in Windows, Linux, and Mac development platforms Your flexibility and adaptability are our key considerations as project specifics will be d...
Hi Matheus, I will rename your receipts for the same price $5 per 100 receipts i.e. 120 receipts per hour at hourly rate of $6. You will receive an automatic request for the milestone payment for this week’s work, and then an invoice on Monday at noon. Best, Duong
Project Brief: In this project, will be developing an application to sense, share and control another application on a nearby node. The application can be mobile, web or desktop. The application is required to: 1. Sense a nearby node. When a node comes within the communication range and also when it moves out from this range. An indication should be there when a node is sensed or moved away. 2. Share some content. It can be some message, file, chat etc. 3. Control minimum one feature of the remote node e.g., volume, brightness, wallpaper etc. Project Requirements 1. The deadline for the project is: 10-May-2024. a. Report: It should include: ii. Name of the application iii. Application’s purpose iv. Explanation of its functionality from the perspective of ad hoc and sensor net...
I'm seeking an HTML and CSS expert who can lend a flexible hand in a variety of tasks. Though I have not specified an array of tasks, rest assured that it will entail a wide range of design and customization work. Key Responsibilities: * Website design * Developing responsive layout * Handling styling and customization The Ideal Candidate: * Proficient in layout design, typography and fonts, and color scheme and branding * Ability to work with no stringent time deadlines Feel free to ask for specific tasks for each working session. The timeline for this project is fluid and long term.
I'm looking for a freelancer who can help me increase sales, improve product visibility, and maximize ROI on my Amazon listings. Ideal candidates should have a deep understanding of Amazon PPC and listing optimization, specifically in the toys category meant for consumers. Key requirements include: - Demonstrable success in implementing Amazon PPC campaigns and listing optimization strategies. - Ability to understand consumer behavior and effectively target them. - Proven track record of increasing sales and ROI for similar products. - Familiarity with the latest trends and best practices in Amazon selling. - Strong data analysis skills to measure and interpret the results of the optimization efforts To provide ideas about new trending products Reduce advertising cost as much as p...
I'm looking for a seasoned server administrator to set up a dedicated server for container-based provisioning. My web application will be a JavaScript library-based app, such as Node, , or React. Key requirements: - Proficient in Linux server administration, as the operating system is not yet defined. - Experience with container platforms like Docker or Kubernetes since I'm yet to determine my preference. Operating System: You can use Ubuntu Server, CentOS, or any other Linux distribution of your choice. Web Server: Nginx or Apache HTTP Server. Git: Version control system to manage your website's source code. Node.js: If you're hosting static sites or using JavaScript-based build tools. Let's Encrypt: For SSL/TLS certificates to secure your we...
I'm seeking a skilled freelancer to integrate Home Decor products into my Shopify website, creating appealing listings to optimize sales. You will also manage effective Display Ads on Google and instigate a strong presence on Instagram to drive traffic. Skills and Experience: - Shopify proficiency - Google Display Ads experience - Instagram marketing - Understanding of the Home Decor market - Strong writing and communication abilities - Proven track record in increasing online sales This project is ideal for a seasoned e-commerce specialist who can capture the essence of my Home Decor products and creatively engage with an online audience to drive sales.
Hi, I am looking for a WordPress Expert to install a theme from Themeforest, do some content changes. No any customisation required. Who can able to work today and tomorrow can place your bid. Thanks
I'm in need of a skilled professional to assist with the development of my website. Ideal Skills and Experience: - Proficiency in web development - Experience with various programming languages and frameworks Additional Information: - We're looking for an individual who is reliable, efficient, and has a keen eye for detail. - This could lead to an ongoing contract for the right candidate.
I'm in need of an expert in Machine Learning with a strong proficiency in Python. The successful candidate will be assisting me with various stages of my project. Key Tasks: - Data Preprocessing: You will be tasked with cleaning, transforming, and preparing the raw data for analysis. - Model Development: The creation, fine-tuning, and optimization of the machine learning models lies within this area. - Model Evaluation: Once the model is built, you will be responsible for evaluating the model's performance and making necessary adjustments. The ideal candidate for this project should have: - Advanced proficiency in Python with a strong background in Machine Learning. - Prior experience with data preprocessing, model development, and model evaluation. - Excellent problem-s...
I'm looking for a skilled developer to create an automated cryptocurrency trading system for me. The system should be able to integrate with Binance, Coinbase, Kraken, and Bybit. I want it to be very similar to 3Commas new Signal Bot feature. I already have a wordpress site where I provide TradingView signals and strategies, but I want to add the feature to also automate these strategies from TradingView. Key Features: - Trade Execution: The system should execute trades on my behalf and users behalf by using webhook signals from my TradingView strategy alerts. - Portfolio Management: I need a system that can manage my portfolio efficiently. Ideally, the system should be user-friendly and easy to operate on my end. I'm looking for someone with a strong background in cr...
I am in need of a Salesforce developer who specializes in Sales Cloud. The ideal freelancer will possess extensive technical expertise to help with high level customizations, primarily through extensive custom code. Key Activities: - Create custom objects and fields as per unique business needs - Develop automated workflows to improve process efficiency - Integrate Salesforce with existing systems Ideal candidate should have: - Significant experience with Sales Cloud - Profound knowledge in Salesforce customization, particularly custom code - Portfolio of similar projects showcasing ability to implement automated workflows - Experience with system integration in Salesforce Please, only those who meet the above requirements should apply.
I am seeking a meticulous data entry operator with strong background in data verification and validation. Key tasks include: - Verification and validation of less than 500 mixed data entries (both textual and numerical) - Ensuring data accuracy through rigorous checks Ideal applicant should possess: - Proficiency in managing mixed data types - Strong attention to detail - Proven experience in data verification and validation
I'm a DJ looking for someone experienced in cinematic video editing to create a vibrant, captivating less-than-1-minute video out of my recent event clips. Here's what I'm after: - A seamless, professional blend of clips focusing both on my DJ performance and the crowd's energy. - Cinematic style editing to bring the event vibe to life. - The final video must not exceed 60 seconds, ideally suited for Instagram views. This project requires skills in video editing, preferably in the music or event industry, with a knack for crafting vibrant, professional videos. A clear understanding of how to capture the mood and energy of an event in a short time frame is crucial. Green hands at Instagram-friendly video edits are specifically welcome.
I'm in need of an expert opinion letter for an EB2 NIW petition. The letter is to be addressed to an individual and should focus on the following: - **Purpose**: The primary function of the letter is to support an EB2 NIW (National Interest Waiver) petition. - **Content**: The letter should be comprehensive, well-researched, and expertly written with a focus on the specific requirements for the EB2 NIW application. - **Relevance**: The content of the letter should be directly related to the applicant's field of expertise and serve to demonstrate their significant contributions to the field. Ideal skills and experience for this project include: - **Legal Writing**: A solid understanding of the legal requirements for an EB2 NIW petition and experience in drafting exper...
data base design (model, sql) 590 laravel auth customized for phone (ALMOST DONE) 2360 Referral logic 2360 referral page register configuration Event Script (creates new even every 3 min will be a cron job for linux) 3540 Additional Pages 2478 { withdrawal page 708 Account details 472 Recharge page 708 Contact us page 826 } Betting Page 4720 includes the following { time and result feature 2000 betting feature 1000 events feature 500 my history feature 500 } Admin Panel 8378 withdrawl 1600 user manage 2000 manage result 1700 past events 800 earnings 1000 TOTAL 21950
Google Ads advertiser required to run specific ads as agency
Seeking an experienced freelancer to create and update product listings on our e-commerce site, designed and set up in-house. - The responsibility includes both creating new product listing pages from scratch and modernizing our existing ones. - The task involves more than 100 items, so the ability to handle large volumes is essential. - The ideal candidate should be meticulous, detail-oriented, and have experience with optimizing product listings for SEO. - Prospective freelancers should also adhere to or understand the guidelines of our in-house platform. Having a strong portfolio showcasing similar e-commerce operations will be advantageous.
I'd needvtobraise money for an anti-inflation platform..So I'd need a crowdfunding expert with trackbrecords in this ability to raise money.
I am in search of a skilled developer with expertise in both MsSQL and ADF to assist me in achieving the following project goals: - Database Management: Your primary responsibility will be to manage our MsSQL database. This includes designing the database and ensuring smooth data storage and retrieval operations. - Data Integration: A crucial aspect of this project would be integrating MsSQL with various other systems and databases, mainly focusing on MsSQL itself. This will involve ensuring seamless data flow between these systems. Key Skills and Experience: - Proven experience in MsSQL database management. - Strong capabilities in database design and data storage and retrieval. - Adept at data integration, specifically integrating MsSQL with other systems. - Familiarity with ADF (Azur...
I am in need of a Python developer who is an expert in Django for a project that requires advanced customization of an existing Django project (DATING BACKEND). The ideal candidate should have experience in customizing and modifying existing Django projects to meet specific requirements. Skills and experience required for the job: - Expert knowledge in Python and Django framework - Good knowledge in GRAPHQL - Strong understanding of Django project structure and architecture - Proven experience in customizing and modifying existing Django projects - Ability to work with complex customization requirements - Familiarity with Django's templating system and ORM - Proficient in writing clean, maintainable, and efficient code - Strong problem-solving skills and attentio...
I'm in need of a skilled server administrator to manage my Linux server dedicated to web hosting. After moving to Dedicated Server AMD Ryzen 9 we have seen that the server goes down so often and we have to restart it. Key Responsibilities: - Ensure the server is running efficiently and troubleshoot any issues that arise - Manage and maintain the server's security, including setting up a firewall, implementing malware protection, and installing SSL certificates - Monitor server performance and make recommendations for improvements Ideal Skills and Experience: - Proficient in Linux server administration - Experience with web hosting servers - In-depth knowledge of server security measures, including firewall setup, malware protection, and SSL certificate installati...
I have a shipping business and I need an animation created for my website to use it on my social media. The script is ready. Please send examples of your work so I can share the script for the quotation
I am in need of an experienced C# developer who can help me embed an XML file with a PDF/A-3 standard. The output file should be a PDF/A-3 format with the XML file embedded. The primary purpose of this task is to ensure regulatory compliance. Key Requirements: - Embed XML file with a PDF/A-3 standard - Ensure the resulting file is PDF/A-3 with the XM...Title) The successful applicant for this project should be proficient in C# and have a solid understanding of PDF standards and XML embedding. Previous experience with similar PDF standard embedding tasks and regulatory compliance is highly desirable. Communication: I prefer to communicate through instant messaging for updates and feedback. If you believe you have the skills and experience required for this project, please submit...
I'm looking for a seasoned expert in Facebook ads. Unfortunately, I've not been able to articulate specific goals or target audience at this time. However, moving forward with the project, I'll need your advice on strategy based on my budget, which I'm still figuring out. Ideal Skills: - Demonstrated expertise in Facebook Ads Manager - Ability to create and run diverse ad campaigns - Strong analytical skills to optimize campaigns - Communication skills to provide clear updates and recommendations Experience: - Must have managed a varying range of budgets for Facebook ads Your input on strategy and audience targeting will be highly valuable in this project.
The Panel must be developed in PHP8, developed with best practices using PSR. If developed with Framework, Laravel (latest version + AdminLTE) must be used. All libraries used in the project must be in the public domain and if they are not properly updated, a new fork must be created and updated. Multip...fork must be created and updated. Multiple user management is your permissions Manage multiple GRE Tunnels servers - Register, Update, Delete - Each GRE Tunnel server will receive a /40 or up to /29 IPv6 allocation. - Each server can deliver different sizes of IPv6 allocations (/56 to /29), in a configurable way. The professional to carry out this project needs the following characteristics: - Linux Systems Administrator - Network administrator - Extensive knowledge with Bir...
I am currently selling on eBay, Etsy and my own website. I am looking for a freelancer experienced in both eBay and Etsy, as well as eCommerce website management to assist me mainly with product listing and optimization. An expected scope of work is: - Creating optimized product listings to enhance product visibility - Monitoring and updating listings based on trends or demands - Applying SEO best practices for eCommerce to increase organic traffic. The freelancer must have a background in managing and listing Clothing and Accessories. A broad knowledge of these categories is advantageous as we aim to increase our market share in this sector.
I'm in urgent need of a Java program that greets the user based on the system time. The program should be able to run seamlessly on Windows, MacOS, and Linux. Key Requirements: - Determine time based on system clock - Provide a different greeting for morning, afternoon, and night - Be compatible with Windows, MacOS, and Linux I'd prefer if you can complete this project ASAP. Thank you!
I need a Vissim expert to simulate a signalized intersection using COM server. The simulation will have to follow specific conditions based on data from queue counters. - The simulation will need to adjust signal times and states in response to average queue length. This means that the traffic lights should change based on the average number of vehicles waiting at the intersection. - The primary expected output of the simulation is a detailed traffic simulation report. This report should provide delay, queue length dissipation time. Ideal skills and experience for this job: - Proficient in Vissim and working with COM server. - Experienced in traffic simulation and intersection management. - Ability to interpret data from queue counters and translate it into Vissim parameters. -...
I am seeking a seasoned digital marketer with a proven track record to help me achieve my marketing goals. The specifics of my project are as follows: - The ideal candidate should be well-versed in all major digital marketing platforms, including but not limited to Facebook, Instagram, and Google Ads. - I am open to both short-term and long-term strategies, so the applicant must have experience in implementing both. - The primary objectives of this campaign will include enhancing brand awareness, driving more traffic to my website, and increasing lead generation. The selected freelancer will be expected to bring their expertise to the table, and work closely with me to outline a tailored digital marketing strategy that aligns with my business objectives.
Polish to English Translator Required for translation
I am currently seeking an experienced RapidPro expert to handle the installation, configuration, and ongoing support of RapidPro on a Linux or Debian virtual server hosted on Azure. This project requires someone with extensive knowledge and proven experience in successfully implementing RapidPro multiple times. Here's a breakdown of the tasks involved: Installation and Configuration: Deployment of RapidPro on a Linux or Debian virtual server hosted on Azure. Customization of settings to optimize performance and ensure security. Integration with other tools or services as required. Ongoing Support and Maintenance: Prompt assistance to resolve any technical issues or queries related to RapidPro. Regular maint...
We have exi...azure db I am looking for a developer for backend operations and experience in MSSQL, WordPress wooCommerce and API integrations. The primary task deduct stock in azure ms sql stock table when order placed in wordpress woocommerce display item list in woocommerce based on mssql stock table create comand to generate order in inventory system when order placed in wordpress woocommerce Key Skills Required: - Strong experience with MSSQL, WordPress woocommerce, API - Expertise in inventory management system e-commerce integrations who have done same work earlier plesae bid I will share explaining video, if you are able to do than you need to work on remote zoom or ultraviewer plesae let me know what are the details you need and how long it will take to complete ...
I have an Android application with a user base of less than 10,000 users. Currently, I am displaying Banner ads, Interstitial ads, and Rewarded video ads from AdMob. I'm not entirely sure if I have implemented AdMob mediation correctly. Key tasks include: - Reviewing my current Android App & AdMob Ads - Providing suggestions on how to optimize revenue generation. - Verifying and potentially setting up AdMob mediation. I'm looking for a professional who: - Has a proven track record of optimizing AdMob revenue. - Is knowledgeable about AdMob mediation and can verify its implementation. - Can provide concrete, actionable suggestions for improving revenue generation from my app. If you have the expertise in AdMob, please reach out.
I'm looking for an experienced developer to create a dynamic API tool. The tool needs to be able to create API endpoints (CRUD) for various data sources and publish them as endpoints. and call api and generate code on database procedure . The backend should be developed using Node.js, and the frontend can be either JavaScript or React. Key Requirements: - Ability to create POST (Create), GET (Read), and PUT (Update) API endpoints. - Capable of connecting to different data sources, including relational databases, NoSQL databases, and external APIs. - Handling authentication and security using JWT, OAuth, and Basic Authentication. Ideal Skills: - Strong experience in Node.js for backend development. - Proficiency in frontend development, particularly in JavaScript or React. - Previo...
As a service provider in the consulting or healthcare field, I am looking for an experienced digital marketer who can assist in enhancing my online presence through Google Reviews. My primary goal is to attract more customers and increase my business's reach. Key Responsibilities: - Implement strategies to encourage more positive reviews and responses from satisfied customers - Help in the management and response to existing reviews to improve customer perception - Develop a system for tracking and analyzing the impact of the reviews on attracting new customers Ideal Candidate: - Proven experience in digital marketing, particularly in managing online reviews - Understanding of the service industry and the unique challenges and opportunities it presents for online reputation manageme...
...developer who specializes in both website and application creation. Key Skills required: - Proven experience in website and app development - Excellent problem-solving skills - Attention to detail - Ability to adhere to project timelines Since it's not specified, let's assume that a generic website and app with basic functionalities are required until we get more clarity. That said, ability to develop complex features may also eventually be necessary. Applications must contain detailed information on your previous experience, particularly on similar projects if applicable. Your portfolio and/or links to your past work will also be appreciated to better assess your skills. Please note: the specific functionalities required will be discussed in detail ...
As a beginner in photo editing, I'm seeking a professional photo editor with solid experience in both enhancing image quality and adding special effects. I primarily use a PC for editing, but it doesn't restrict to a particular operating system. Skills Required: - Proficiency in photo editing software (explicit Windows, Mac, or Linux proficiency not required) - Strong ability to enhance photo quality - Skill in adding creative and appropriate special effects to photos Please include examples of your previous work in these areas when bidding. I look forward to collaborating with and learning from a seasoned professional.
...clients from both languages. Key Responsibilities: - Email Management: You will be responsible for handling my email correspondence, prioritizing emails, and responding to clients in a professional and timely manner. - Scheduling Appointments: You will help me in coordinating and scheduling meetings and appointments, ensuring my calendar is up-to-date and organized. - Data Entry: You will be required to assist with data entry tasks, ensuring accuracy and attention to detail. ZOHO Expertise: - Familiarity with Zoho CRM, Zoho Books, and Zoho Creator is a must. If you have experience in other Zoho applications, this would be a great advantage. Communication: - As for communication, I prefer to use a mix of Email, Phone, and Instant Messaging. You should be comfortable and profici...
