Reverse string in c without using function jobs
Russian Recording Project Note : We need Native Russian speakers for long term project. We have a project, that needs Native Russian speakers, we will give you the text, and you need to record 626 Short sentences. you just need to download our software, to read our text and record it, it's a very easy job. 1. You will need to record in a quiet place without loud background noise. and without echo. 2. Each person is $14 dollar for 626 sentences record. If you are interested please let me know sure.I will contact u. A Good Opportunity For New Freelancers For taking 5 Star Review after their completion of the project. Thanks :
...the correct user ID in my Node.js website. This issue is causing a concern for user privacy and data security. The problem is not related to the session management as the user IDs remain the same. It seems to be an error in the data assignment logic. - Fix the last login data assignment issue - Ensure data is assigned to the correct user ID - Confirm the privacy and security of user data are maintained - Implement the solution within 24 hours Ideal Skills: - Proficient in Node.js - Experience with session management in web applications - Strong understanding of data assignment logic - Knowledge of best practices in user privacy and data security This is an urgent task, and I need a reliable and experienced professional who can quickly identify and r...
...Initiative based in Uganda, dedicated to uplifting underprivileged children through education. Today, I'm reaching out to you with a heartfelt plea to support three remarkable children - Alice Alyeko, Ben Otim, and Emma Mukutu - in their educational journey. Education has always been my passion and driving force. Growing up in Uganda, I witnessed firsthand the transformative power of education in breaking the cycle of poverty and empowering individuals to create better lives for themselves and their communities. It's this belief that led me to establish the Awuor Support Initiative, aiming to provide equal educational opportunities to children who are often overlooked and underserved. Donate here Alice, Ben
I'm looking for a skilled professional to set up a Virtual Box on my dedicated server, running Windows OS. The primary function of this setup is to have multiple virtual terminals of Windows operational. Key requirements: - Installation of Virtual Box on a dedicated server - Configuration for simultaneous operation of 5 virtual terminals of Windows Ideal skills and experience: - Proficiency in Virtual Box and working with dedicated servers - Strong knowledge and experience in setting up and configuring Windows OS - Ability to ensure smooth and efficient operation of multiple virtual terminals
I'm in need of a skilled web developer who's proficient in HTML/CSS and JavaScript. I require the person to be Australian based The main tasks include: - **Interactive Forms Implementation:** The developer should be able to create interactive forms that are user-friendly and smoothly integrate with our current web page. This will involve a combination of design and programming skills to ensure a seamless user experience. - **Shopify Linking for Event Ticketing:** The main function that needs to be implemented is a robust ticket sales tracking system. This will involve setting up a connection between our web page and Shopify, ensuring that ticket sales data is accurately tracked and reported. Ideal skills and experience for this project include: - Profici...
Get me ranking in the top 100 for each of the keywords. Work to be done within 30 days. If rank for all keywords not obtained within 30 days, project will be cancelled. Do not bid on the project if you do not agree. Target Country is USA 1 - Accident Lawyers 2 - Truck Accident Lawyers 3 - Car Accident Lawyers 4 - Boat Accident Lawyers 5 - Construction Accident Lawyers 6 - Lyft Accident Lawyers 7 - Uber Accident Lawyers 8 - Pool Accident Lawyers 9 - Personal Injury Lawyers 10 - Motor Vehicle Accident Lawyers 11 - Personal Injury Lawyer Near Me 12 - Lawyer For Car Accident 13 - Personal Accident Lawyer 14 - Car Lawyer Accident 15 - Attorney Personal Injury Near Me 16 - Accident Lawyers Car 17 - Personal Injury Lawyer Attorney 18 - Car Accident Attorney Lawyer 19 - Accident Lawyer...
...to answer the task questions that require you to complete in Excel USING SOLVER. -report should be mainly for the economic order quantity (EOQ) analysis and the answers to the qualitative questions. No introduction -1900 word report -There should be at least FOUR worksheets in the Excel workbook. Two of them should show the following two demand forecasting methods that you are required to use to forecast the demand of 5 kg ice bags at Caltex, a petrol station in Melbourne. 1. Moving average 2. Static method. for the other two: summary of the regression analysis for the static method. The other one should compare the performance of the two forecasting methods using the key performance indicators (KPIs) mentioned in Task 1 Question (c). T...
...as per a chosen template. - **Past Work:** Showcase similar projects you've spearheaded or contributed to significantly. Links or a portfolio will be highly beneficial. - **Experience Level:** I'm targeting someone with an intermediate level of experience. You should have a solid track record and be comfortable tackling the complexities of IT development without needing extensive oversight. - **Skills and Expertise:** - Proficiency in relevant programming languages (Must have: Codeigniter, WordPress, Microsoft technologies like Azure, Power Apps) - Strong understanding of the full development cycle - Experience with both front-end and back-end development (specific skills depend on the project type) - Problem-solving abilities and a keen eye for detail...
Hi Jamile C., I noticed your profile and would like to offer you my project. We can discuss any details over chat.
I'm in need of a skilled WP Job Manager/Smyles Plugin expert to make some changes and additions to both the back-end and front-end of my website. The primary focus of this project is to modify the back-end using the Smyles Plugin. Key requirements: - Expertise in WP Job Manager/Smyles Plugin: You should have proven experience with these plugins and be able to implement the necessary changes competently. - Back-end Development: You will be tasked with adding new search criteria and fields to the back-end using the Smyles Plugin. - Attention to Detail: It's important that the changes you make are seamless and do not disrupt the existing functionality of the site. Your main responsibilities will include: - Implementing new search criteria: Specifically,...
I'm looking for a logo for my YouTube channel "El-Gamal" that's both modern and sophisticated. The logo should reflect the idea of profit without emphasizing investment. Add wonderful and distinctive things that indicate that it is a profit channel Required colors : are red and black Key Requirements: - A minimalist style that is modern and sophisticated - Not too focused on investment themes - A design that subtly conveys the concept of profit Please Note: - I haven't specified colors, leaving room for your creativity. - I didn't provide specific details about the target audience, as I'd like a design that can appeal to a broad range of viewers. Ideal Skills: - Logo Design - Minimalist Design - Understanding of Branding and Marketing Looking f...
I'm in need of a logo for my business, Major League Powerwash and Landscape. I am looking for a bold and eye-catching design that will make my brand stand out. Key Elements: - The logo should be a combination of an icon and text, ideally with the business name included. - The visual component should include a zero turn lawnmower and a guy holding a powerwasher, symbolizing the core services of the business. - The design should appeal to a wide audience and be easily memorable. Ideal Skills: - Experience in creating bold and eye-catching logos. - Proficiency in both icon and text-based logo design. - Ability to incorporate specific elements into the design without compromising the overall aesthetic. - Understanding of the powerwashing and landscaping indus...
I'm in need of professionally engineered plans for my existing pergola. The ultimate goal is to certify it for compliance with local council regulations. Unfortunately, I don't have any existing blueprints or architectural plan of the pergola. Ideal Skillset and Experience: - Expertise in creating accurate and detailed engineering plans - In-depth understanding of local council regulations regarding pergola constructions - Ability to work without existing plans or blueprints Your task will primarily involve creating a comprehensive plan to establish its certification for compliance. Please ensure that your design adheres strictly to local council regulations. Previous experience with similar projects required and California license.
...an image file of the flowchart. Simple example: See attached file The text file has 3 lines as follows: 1 circle 1.5 5.3,1.2 Begin 2 rectangle 6,2 5.3,2.5 Find node that represents the itemset 3 line 1,2 This file would mean to: 1: Draw a circle with radius 1.5 at point (5.3 across,1.2 down) with the word "Begin" in it. 2: Draw a rectangle with width 6 and height 2 at point (5.3 across,1.5 down) with the words "Find node that represents the itemset" in it. 3: Draw a line pointing from 1 to 2 I don't care how the definition works other than how general it is. The above is just to show what I mean. 1. You could provide the flowcharts that some app allows you to make manually. 2. You could provide what the attached 30 files (or a subset) show. 3...
I'm in need of a skilled Pinescript developer who can perform a thorough clean-up of my codebase. Your primary task will be to remove any unwanted functions or variables from the existing code. Key Responsibilities: - Removing these unwanted elements from the Pinescript code without adding any new features or adding anything Please respond with final offer.
...level to effectively mimic keyboard inputs for gaming purposes without requiring hardware. Key Requirements: OS Compatibility: The emulator should work exclusively on Windows systems. Emulation Focus: Aimed at simulating keyboard inputs for gaming applications. Ideal Skills and Experience: Proficient in Windows application development. Expert in low-level programming, specifically in system-level assembly language. Knowledgeable in gaming input emulation and keyboard input simulation. Experience in backend applications is beneficial. Project Specifics: The emulator must not breach game firewall securities or require unauthorized system modifications such as disabling driver signature enforcement. It should operate successfully in the g...
I want to rank in the TOP THIRTY google results on average for the following keyword phrases Target Country is USA 1 - Accident Lawyers 2 - Truck Accident Lawyers 3 - Car Accident Lawyers 4 - Boat Accident Lawyers 5 - Construction Accident Lawyers 6 - Lyft Accident Lawyers 7 - Uber Accident Lawyers 8 - Pool Accident Lawyers 9 - Personal Injury Lawyers 10 - Motor Vehicle Accident Lawyers 11 - Personal Injury Lawyer Near Me 12 - Lawyer For Car Accident 13 - Personal Accident Lawyer 14 - Car Lawyer Accident 15 - Attorney Personal Injury Near Me 16 - Accident Lawyers Car 17 - Personal Injury Lawyer Attorney 18 - Car Accident Attorney Lawyer 19 - Accident Lawyer Near Me 20 - Lawyer For Auto Accident This is for the website The ranking must hold for 1 month before escrow
...integration, although users should have the option to buy tickets without logging in. Admin Panel: - Should have access to make new lottery , modify lottery details (commissions, rewards, lottery time, how lottery will finish, payment address, which payment network) - Logs (payment success fail, hack tries) - See Lottary Pools and Modify results, - See Payments and Delete / Modify results Ideal skills and experience for this project include: - Proficiency in web development with a focus on cryptocurrency-based platforms. - Previous experience in creating raffle/lottery systems. - Strong knowledge of integrating external APIs, particularly with crypto payment gateways. - Understanding of user experience and security concerns in crypto transac...
I'm looking to transform a dramatic and inspiring piece of poetry into a captivating 2D animation. The story should be driven by the animat...- a voiceover is not required. The animation will serve as a visual narrative, engaging viewers through vibrant, energetic visuals. Key requirements: - Experience in 2D animation, specifically in storytelling. - Ability to perceive and translate the mood and tone of the text into the animations. - Understanding of typography and text animation, to integrate the poem seamlessly with the visuals. - Appreciation for poetry and its nuances would be beneficial. Your ability to bring words to life via animation is instrumental for this project. Let's create a piece that encapsulates the lively and uplifting spirit of the poem w...
...experience in automotive electronics to create a medium-sized, bendable PCB for an upcoming project. Key Project Details: - Application: The intended use of the PCB is specifically for automotive applications. - PCB Flexibility: The design should be bendable, but not necessarily foldable or twistable. - Size: The overall dimensions of the PCB fall within the medium range, roughly 10-20 cm. Skills and Experience Required: - Previous experience with automotive electronics and PCB design. - Understanding of the unique challenges and requirements of designing for a vehicle environment. - Familiarity with creating bendable PCBs, using appropriate materials and techniques to ensure the desired flexibility without compromising the performance or durability. If you have...
I need a modern and minimalist logo designed for my company, 1031 Cap Ex, to be used primarily in marketing materials. NOTES: - only the C and E should be capital like this 1031 Cap Ex - look at uploaded examples for style reference. do not copy. come up with a new logo that follows those styles Key Points: - The logo design should be clean and simple, reflecting a modern and minimalist style. - It will primarily be used on marketing materials, so the design should be versatile and scalable. - The target audience is sophisticated, so the logo should convey professionalism and trustworthiness.
Hi, I hope everybuddy is doing well. I am looking for someone capable of writing high-quality niche articles without plagiarism and without using AI for my blogs. The topics can vary, ranging from news to technology. The work needs to be done directly in WordPress, on the domain I provide. It is necessary to upload relevant images and make the logo to match the niche, and ensure that the website complies with all AdSense program policies. I am seeking someone who can assist me long-term in this project, which I am undertaking with several partners. I need qualified manpower. Thank you! Best Regards,
I need a small application prototype with the following features: Multi-Employer Job Portal/Admin app (Role Based access) User/applicant App (for Multiple applications to different employers) User Profile Document Upload (Save documents to Db and attachments to Blob Storage ) Send Emails to Employers and applicants back and forth 2 Apps in total ie. admin app and applicant app. job application requirements will be provided. Nodejs, angular, My SQL, ORM, Data Seeding, Migrations should be used.
I have a simple python script that interact with an API that takes data from said api and outputs it in a table. The service where I use the API also has a website where I can see in the same table format the exact same data. Pandas know how will help. My problem is that the data from API and from service is mismatching. Your job is too look and identify where the problem is. You will receive both program (simple streamlit app that runs locally) and login details to website to cross check.
I'm seeking a skilled PCB circuit designer to create a digital circuit f. The primary function of the circuit is PWM Motor Speed Control Key requirements: Input supply voltage: DC 2.5V-25V The maximum output power: 350W The maximum continuous output current :15A The overload and short circuit protecting current is 25A PWM frequency: 25-30kHz Duty Cycle adjustable: 0-100% The operation environment temperature:-20℃-40℃ Ideal freelancer would have: - Proven experience in digital PCB circuit design - Strong knowledge of signal amplification principles - Familiarity with radio technology and its requirements - Ability to optimize circuits for low gain
Looking for an adept and creative freelancer capable of transforming a script into 22 mins of engaging 2D ...script into 22 mins of engaging 2D animation specifically designed for adults. Key requirements: - The scripts are transcribed dialog - This is for a parent education and safety course. Only apply if you can handle mature situations. - Proven experience in script interpretation and 2D animation. - Ability to create compelling scenes that communicate the script’s concept effectively to an adult demographic. - Timely delivery of the project without compromising quality. Freelancers with a portfolio that demonstrates their experience in creating adult-oriented animations will have a significant edge. Looking forward to stimulating visual storytelling that...
...app developer with experience in developing TV applications. The project involves the creation of a TV app that would support live TV streaming specifically. Here are the project specifics: - **Primary Feature**: The main function of the app is to support live TV streaming. This is the core feature that will require meticulous implementation. - **Content Categories**: The live streaming feature will specifically focus on TV content. This includes channels that cater to TV shows, documentaries, or other related TV broadcasts. - **Device Compatibility**: The app should be compatible with Samsung and LG smart TVs. The ability to ensure the app runs smoothly across different models of these brands is crucial. Ideal candidates should have: - Proven experience in dev...
I am looking for an experienced CNC programmer to help me program M codes on my Syntec 60W-e CNC controller. I have 3 unused out relays that I want to use, and I would like each of them to be assigned to specific M codes. Here’s what I need: - Assig...programmer to help me program M codes on my Syntec 60W-e CNC controller. I have 3 unused out relays that I want to use, and I would like each of them to be assigned to specific M codes. Here’s what I need: - Assign M code e.g. M30, M50 and M80 to the unused output relays. - The function they should perform is to turn an external device on/off. Skills and Experience: - Previous experience with CNC programming is crucial. - Familiarity with Syntec 60W-e CNC controller will be highly advantageous. - Proficiency in M...
I have a iOS application with a few bugs that needs fixing and adding the function of inviting phone contacts to our app. iOS application built in: - Objective C - Native App and UIKit I will share the specification document when we speak in freelancer chat.
I'm seeking an expert in Python for a Natural Language Processing project focusing on text classification of social media posts. Key Project Features: - The goal is to build a Python coding notebook that can efficiently classify different types of text within social media posts. This will require a deep understanding of NLP principles and techniques. - The project primarily demands the use of Python for its implementation. Ideal Skills and Experience: - Expertise in Python programming is a must. - A strong background in NLP, particularly in the area of text classification, will be highly beneficial. - Prior experience working with social media text data would be a plus. If you're confident in your Python and NLP skills and have experience...
...challenge here is to make sure that the translated content in the PDFs maintains the exact same format and layout as the original documents, without any alterations. Key Requirements: - Translate both scanned and text-based PDFs/images: I need a professional who can handle both types of documents with equal proficiency. - Language Proficiency: The translation will be from English to a variety of languages. Your ability to work with any language from a dropdown menu is crucial. - High Accuracy: The translated content must retain the original meaning and context with 95+% accuracy. Ideal Skills and Experience: - Proficient in Python: You should have extensive experience using Python, along with any relevant libraries or tools that can help in this t...
...Company which will help in Management and technical consultancy to companies. Something like a mix of Mckinsey and BCG group sandwiched with something like a cognizant or Accenture. This is a company that does management consultancy this is a technical consultancy Also I want to include Gen Ai services in the same. This is a Gen Ai company example : it should look like a management consultancy as well as technical consultancy website with a flavor of Gen AI incorporated Initially 7 to 10 pages would be descent No blogs as of now. just core pages that show that the website is a company which does what I mentioned above So, How would you help me figuring out my website content? P.S. Without reading my details, you
I'm seeking an expert who is skilled in both Angular or FullStack development. The key tasks would include user authentication and data visualization. In this role, you will be responsible for finishing an existing application. Highlights of the project include: - User authentication: I need you to establish a secure user gateway - Data visualization: Your duty will be to optimise data presentation, ensuring it's easy to understand and manage A successful applicant should have a strong background in both Angular and FullStack development as well as experience with user authentication and data visualisation strategies. The main goal is to bring our developing application to completion according to specified requirements. Your duty will be to ensure the comp...
...existing source code. The project itself should include feature demonstration forms. Key Responsibilities: - Modify existing source code: The main task will involve working with the existing codebase, making necessary adjustments, and ensuring the software continues to function as expected. - Demonstration forms: The project includes creating feature demonstration forms for the software. Ideal Skills and Experience: - Proficient in VB.net: The candidate should have a strong background in VB.net, with practical experience in modifying and building upon existing code for file IO, object generation and file parsing for data output. - User Interface Development: While the project involves existing source code, a good understanding of UI development will be be...
...currently in PNG format and I need it to be converted to SVG. - Scalability: The resulting SVG should be scalable to any size without losing quality. - Optimization for Web Use: It's vital that the SVG is optimized for web use. This includes ensuring the file size is minimized for fast loading times, and that it retains its quality across various screen sizes and resolutions. Ideal skills and experience for this job include: - Proficiency in Adobe Illustrator: Given the task requires converting and optimizing the logo, a deep understanding of Adobe Illustrator is essential. - Experience with SVG files: A strong understanding of SVG files, their format, and how to optimize them for web use is crucial to ensure the resulting SVG meets its purpose. - Web Desi...
I'm in need of a professional and well-rounded computer programmer to build and manage various software applications. Key Tasks: - Develop innovative web and mobile applications - Manage and maintain the software database Ideal Experience and Skills: - Strong familiarity and skill in programming languages (Java, Python or C++) preferred - Previous experience in database management - Proven track record in developing web and mobile applications While skills in Java, Python, and C++ are a bonus, I'm primarily interested in your ability to perform the tasks specified above. Show me what you've got!
Hi Md Morsalin C., I noticed your profile and would like to offer you my project. We can discuss any details over chat.
...YouTube automation channels before with measurable success, have extensive knowledge of Youtube guidelines/copyright rules/fair use policies, strong drawing skills. We Want to Work With You If: - You have experience in creating high quality art work. - You understand psychology behind thumbnails - You can analyze competition and their thumbnails & create your own best version - You understand how to draw viewers in with an interesting and emotional art work to use for thumbnail. - You have experience working under tight deadlines - You are committed to high quality without the need for lots of revisions. - You are organized, communicative and have fast turnaround times. - You can deliver items via (Google Drive) Why we are awesome to work with: - You'll ...
I'm seeking an interior designer with a knack for modern aesthetics to help me transform my small living room which will include dining area. The design sh...lines and minimalistic elements are preferred. - Layout Consideration: As it's a small space, the layout is crucial. The design should be optimized to make the rooms appear bigger and more functional without compromising on the overall visual appeal. Your role will be to bring these elements together into a cohesive and attractive design. While the budget range is not specified, I'm open to a discussion about your rates and the scope of the project within these parameters. Ideal Skills: - Interior Design - Proficiency in modern design principles - Creative thinking for small spaces - Experience in...
...is fluent in C++, to build a Windows desktop application from my edited code. The project involves: - Skill in the C++ programming language to comprehend and build upon my pre-existing source code. - Solid experience in Windows desktop application development. - Attention to detail to follow the steps correctly and ensure the application operates as intended. The project specifics and objectives will be shared with the selected freelancer. As I did not edit the functionality, it should remain as per the original code. Your role will primarily encompass building and compiling the application. Experience in both codework and software architecture is essential for success in this role. Please ensure your bid includes proof of your C...
I am working on an existing website which needs a seasoned WordPress developer to bring specific design customizations to life. This website serves as an Art, Architecture and Object portfolio which necessitates responsive and dynamic features. Ideal Skills: * Proficient in WordPress Development, Customizations and Animations with an eye for precision and quality designs * Proficient in Responsive Web Design * Experience in portfolio website creation particularly in Art, Architecture and Object Design Specification: * An initial website is already built. This project requires someone who can re-work and develop customizations based on existing brand guidelines and a list of design specifications, with precision and professionalism – as well as re-work so...
I'm seeking a freelancer to develop a cutting-edge system that will automate payments through the Pay...cutting-edge system that will automate payments through the PayPal system. Key Requirements: - The system should completely automate the payment process without any manual intervention. - The integration with the PayPal API is a key requirement, so experience working with this API is crucial. Your main task will be to set up the system to facilitate automated payments by integrating it with the PayPal API. Ideal Skills: - Proficiency in PayPal API. - Prior experience in payment automation development. Experience in creating secure and reliable automated payment systems is a major plus. If you have a track record of developing similar systems in...
I'm in need of an experienced UI/UX Designer for an iOS app dealing with style and fashion. Core Functionality: - The app is essentially a style and fashion app. It uses AI to help people look their best. - The main functionality of the app is to provide a virtual try-on for clothing, offer color matching suggestions and give personalized style recommendations. Target Audience: - The app is designed for both men and women. Ideal Skill Set: - Previous experience working on fashion or style-related apps is a plus. - Knowledge of AI integration for virtual try-on features is highly desirable. - A keen understanding of color theory and style is important. - Ability to create user-friendly and visually appealing interfaces. - Strong communication skills to understand and interpre...
I need a catalog to be designed keeping a classic and elegant aesthetic in focus. This catalog should function as a product showcase for my clothing and apparel line. Key Requirements: - Outstanding design skills, preferably in the fashion industry - Able to deliver a classic yet engaging aesthetic - Experience in catalog layout design. The goal is to create a captivating and beautiful product story that will inspire and engage potential customers. If you have a background in clothing and apparel design, it will be beneficial. Please share examples of similar work while bidding. We are exporting to Europe and other Asian countries.
...coding language as I skipped that question, making it necessary for the freelancer to have adept skills in multiple languages, mainly in C++, Java, and Python. I'm also unsure about specific software or hardware dependencies that might be influencing the situation. However, the freelancer must have the expertise to identify and handle this potentiality. As for specific program functions, the user left a gap as well, so an experienced developer in generic software protocols and universal functions would be highly appreciated. However, the freelancer needs to understand that the scope of the project is conversion and compatibility, rather than development or adjustment of any specific function. Therefore, a strong understanding of technical requ...
Project is basically about reading data from file and then using algorithms and data structures sort those data as its needed and then write short documentation...I will also need you to explain me everything you made, how it works etc...Project consists of 4 chapters...1 chapter will be pinned
I urgently need an expert in C# to integrate my Point of Sale/Enterprise Resource Planning (POS/ERP) system with QuickBooks Online. The goal is seamless syncing of different modules, including, but not limited to: - Customer Information - Inventory Status - Purchase History - Sales Records - Products, Categories, etc... Familiarity with QuickBooks Online APIs and proficiency in C# .net Core is imperative for this role. Past experience with similar projects will be highly valued. The timeline is urgent; I need this integration done ASAP. we already have a code we made integration with SAP Business One, we can share this code to have the fastest development, and also we have the code of a previous developer who made of Quickbooks so it would help to see how t...
...developer experienced in working with the Solana network and trading bots, with a mandatory requirement of being knowledgeable about the Pumpfun platform. Responsibilities: Create a bot/tool to manage trading from multiple wallets on the Pumpfun platform. Enable the bot to generate multiple wallets. Configure Solana quantities to buy per wallet. Develop an auto buy and sell bot to make a project appear legitimate with many sales and buys, thereby boosting projects. Ensure speed execution on the first buys to avoid snipers. The initial buys will be made from different wallets in varying quantities, with all transactions going through simultaneously or with a few seconds' difference. Allow for auto-tipping and prioritization in fees. Enable P&L visualization...
