Programming with world wide webεργασίες

For education reason i want to create a smart play bot to play ultimate tic tac toe game. The target of my project is that bot to be unbeatable against the user. All programming languages are free to use. Χρειάζομαι να δημιουργήσω ένα AI bot για το παιχνίδι Ultimate tic tac toe το οποίο να είναι ανίκητο εναντίον ενός χρήστη που θα παίξει αντίπαλ&...

Προγραμματισμός σε SQL για εξαγωγή στατιστικών, υπολογισμών σε πινάκα και γραφημάτων.

Έχω ανεβάσει στο siteground ένα template woocommerce για το να φτιάξω ένα eshop. Χρειάζομαι ένα συνεργάτη με τον οποίο να προσαρμόσουμε στα ελληνικά το ήδη υπάρχον eshop και σιγά σιγά να να του δώσο&upsilon...

Το πρότζεκτ πρέπει να είναι έκθεση με παραγράφους (πρόλογο, κυρίως θέμα, επίλογο 2000 λέξεις), να είναι από έγκυρα άρθρα (π.χ. από επιστημονικά άρθρα) και να έχει στο τέλος β&iot...

Θέλω έναν σχεδιαστή να μου σχεδιάσει έναν παγκόσμιο χάρτη (σε Α3) στον οποίο θα σημειώσει: 1. Τις ηπείρους 2. Τους ωκεανούς 3. Τα σημεία επικοινωνίας των ωκεανών -Β&epsil...

...size of the visibility that one has when looking at different buildings amounting to a certain point, or rather, not playing the role position of the point from which the looks, to either side of the plane. You are given a flat map in which the underside (x coordinates) is south, on the left (y coordinates) is the West, and in which there are marked N rectangles that represent buildings with different heights possible. Buildings have sides are always parallel to the axes of coordinates and their heights are known and indicated on the map. So the map consists of a total of n + 1 lines where the former is only the number N and the next are five numbers: four integers Xsw, Ysw, Xne Yne and which correspond to the coordinates of the corners of each building, and a flo...

Πρεπει να δημιουργηθει γλωσσα προγραμματισμου, compiler, με την ANTLR στην eclipse. Στην αγγλικη γλωσσα. Ολες οι λεπτομερειες περιγραφονται στο αρχειο.

I require a skilled Java programmer to assist me with debugging a beginner-level program. Key aspects of the project: - Debugging: The main focus of this project is to help me fix basic syntax errors and runtime errors that I am encountering in my Java program. - Goal: The primary goal of this collaboration is to ensure that all identified bugs are fixed in the program. Ideal Freelancer: - Proficient in Java: The ideal candidate should have a strong understanding of Java programming, particularly when it comes to debugging and handling errors. - Patient and Detail-Oriented: As this is a beginner-level task, I am looking for someone who is patient and detail-oriented, to help me navigate through the debugging process.

I'm looking for a talented video editor who can proficiently use deepfake technology. The task requires replacing celebrities in a famous youtube video with the faces of Arab and other countries' leaders. Key requirements: - Advanced skills in deepfake technologies - Ability to replace faces seamlessly maintaining realism, not comedic effect - Experience in video editing and manipulation - Knowledge of the chosen youtube video (or willingness to get acquainted with it) Successful delivery of this project means a visually convincing result showing world leaders in place of real celebrities. If you have the necessary skills and experience, I invite you to bid.

I'm in need of a skilled developer who is proficient in a variety of programming languages and can work on two key areas of my website. - Basket Feature Integration: The first task involves adding a basket feature to the site. The feature should incorporate the ability to both add and subtract items, and should clearly display the total cost of the items in the basket. Additionally, the basket should be designed to support Stripe payment integration so when when paying total cost will be on stripe showing the products. - Registration Redirection Fix: The second task is addressing a critical issue with the registration process. Currently, upon successful registration, the user remains on the registration page. This is not the intended behavior, and I need a solution th...

I require an expert designer who can efficiently design a medium-sized, freestanding sign. The signage will be printed on coroplast material and appeal to the visitors at first glance. Specific Requirements: - Design a freestanding sign - To be printed on cloroplast -To appeal to drive by and people walking by - Signage size: Medium (4 feet wide by 6 feet tall) - this can be designed up to 8 feet tall if required to ensure all information is included -Attached is the overall sign design I am looking for and content. The colors of Navy blue and gold and white are the prominent colors to be used. -I have attached the hi resolution photos that are to be used for the signage, please crop as needed to ensure best use. Please select 1 exterior photo and 1 interior kitchen photo that...

...of Simulink - Previous experience in model simulation, control system design, and signal processing - Proficiency in MATLAB, and Simulink Blocksets Please ensure to include any relevant software expertise in your application. Robust skills and experience in MATLAB, Simulink, and Simulink Blocksets is critical to this project. Leap into this project with precision and get ready to showcase your expertise in the demanding yet rewarding world of electrical engineering. Your dedication to this project is just a step away from actualization....

I'm in need of a professional who can take an image and render it into a realistic 3D model with rigging for animation purposes. This model should be created with the following specifics in mind: - Created specifically for animation. - The model should have a realistic appearance. - Compatibility with Blender is a must. The perfect candidate for this task would be well-versed in image rendering, animation programming, and experienced in using Blender for 3D model creation. They should have an excellent eye for details to ensure the model has a realistic vibe. The completed model should be ready for use in animations. Experience in making models for realistic animation would be a big plus.

...number through a VoIP service using the VCDial setup I have. The code should also play a pre-recorded message when the call is connected. The operating system I am using is Windows. Key Requirements: - Develop a Python script that can interact with the VCDial setup for dialing numbers. - Integrate the functionality to play a pre-recorded message once the call connects. - Ensure the script can run smoothly on a Windows environment. Ideal Freelancer: - Proficient in Python programming, with experience in telephony and VoIP setups. - Familiar with VCDial or similar systems. - Able to work effectively on Windows OS. - Prior experience in creating automated call systems or call centers would be a plus. My budget is not more than 5000-6000 INR for this. I can ...

...RESPONSES THAT ADDRESS THE QUESTION AT the END WILL BE CONSIDERED? I need a knowledgeable Stratum v2 expert for assistance with the following tasks: - Mining Pool Configuration: Proper setup and configuration of the mining pool. - Mining Software Integration: Seamless integration of mining software into the current setup. - Protocol Optimization: Optimization of the Stratum v2 protocol to ensure peak mining performance. The specific programming languages used for the current implementation are unknown as the previous question was skipped. In terms of hardware, my setup currently includes Windows and GPU. Thus, the successful freelancer should have experience working with these specifications and will consider this in the implementation process. The ideal free...

...creative partner to produce compelling videos for an established psychology and mental health focused YouTube channel. Here's what the ideal candidate brings to the table: • Expertise in YouTube algorithm for channel monetization • Capabilities to generate content on a wide range of topics - Depression and anxiety, Self-help and personal growth, Relationship advice and any subject related to psychology and mental health. • Insight into audiences of all ages • Ability to produce and upload new videos as frequently as possible, with a minimum commitment of twice a week. Ideal Skills: • Proficient in video creation and editing. • Strong understanding of YouTube algorithm, SEO, and techniques to drive viewer engagement. • In-depth know...

I'm looking for a Python expert to help me set up a pipe network simulation and analyze the pressure data for detect...network of pipes. Key tasks: - Setting up the pipe network simulation using Python - Conducting pressure drop analysis for leak detection - Providing an intermediate level of detail in the analysis report - this should include the locations and estimated sizes of the potential leaks Ideal candidates for this project should have: - Proven experience in Python programming - Understanding of hydraulic systems and pipe networks - Experience with pressure drop analysis - Proficient in creating detailed and informative reports Please note that the primary objective of this project is to detect water leaks, so the accuracy and efficiency of the pressure dro...

I'm looking to automate a process in my manufacturing setup. This involves controlling a servo and tim...automate a process in my manufacturing setup. This involves controlling a servo and timer to carry out specific tasks. Key Responsibilities: - Develop a system that uses a combination of a servo and timer to automate a particular process in my manufacturing facility. - Ensure the system is able to operate efficiently and with high precision. Ideal Skills: - Proven experience in automation projects, particularly in a manufacturing setting. - Proficiency in programming and working with servos and timers. - Strong problem-solving skills to optimize the automation process. Note: I'm unsure about which platform would be the best for this project. I'm o...

I am looking for a skilled professional who can design an emulator for Windows platform. This emulator should primarily support the programming language Python, and should be able to cater to users who wish to use Python for completing assignments. Key requirements: - Platform: Windows - Main functionality: Assignment completion tool - Supported programming language: Python Ideal Skills and Experience: - Strong proficiency in software development, particularly in designing emulators - Proficiency in Python programming language - Experience working with Windows platform - Previous experience in developing educational tools or software is a plus

I have a base Powerpoint presentation ready with all the necessary text content. It needs a necessary transformation to leave an impression on potential partners and clients. Your task would be: - Implementing a modern design style across the presentation to ensure its engagement with the corporate world. - Emphasise image selection. Images play the main role in this Project. They need to be intriguing and powerful, reflecting the uniqueness of our work at Sniper Action Photo. I will provide all of the sample images. - While the main focus is on the images, typography and color schemes should not be overlooked. They should complement the images and strengthen the overall visual appeal of the presentation. Ideal Skills and Experience: - Excellent understanding of aest...

From a 2D plan, I need to create a plan of a house facade elevation (1 plan for each wall) for the mason. This involves positioning the windows with window sills and roller shutter formwork, as well as lintels which protrude 25cm on either side of the window or French window or bay window. There are 16 exterior windows or doors and 12 walls. I have a 2D plan but some dimensions need to be corrected. I am looking for someone who is an architect and who has a perfect command of CAD or similar software. The idea would be to have facade plans with and without the concrete blocks I attach what we expect in the design (we must include the lintel (20 cm high), but below that there is the formwork of the rolling shutter (30cm), the window or French window door (variable dimension) an...

...insightful visualization techniques. Here are the requirements: - Implement Amazon Cognito for user authentication and authorization - Utilize AWS Amplify for the app's development and deployment - Integrate AWS API Gateway for efficient data exchange - Integrate Stripe for payments. Need complete flow Our tech stack looks like: - Amazon Amplify for app backend, and front end - Gatsby JS coupled with AppSync for front end - Amplify UI and MUI Material for UI components Features that I need: - End to end user journey - from login/registration to offering profile capture, to custom subscriptions - User DMs, Push Messaging, Custom email notifications (using SES) - Analytics (details noted below) Data Analysis Requirements: - Predictive analytics: Capability to anticipate ...

The goal of this project is to gain some prac3cal experience in Android development and exercise your understanding of cellular and WiFi networks by measuring them. Our specific learning objectives include: • Getting familiar with the Android programming framework. • Implementing background services for Android. • Implementing network measurements using the Telephony and the Wifi Manager Android Apis. • Practicing technical code documentation. • Practicing teamwork.

I'm in need of an experienced token developer who can create a versatile set of tokens to cater to various needs. The project encompasses: - Crafting both utility tokens and security tokens to align with the diverse functions and requirements. - Developing stablecoins to ensure stability and reliability within the token ecosystem. The tokens are intended for: - Loyalty rewards: The tokens will serve as a form of incentive for loyal customers, encouraging repeat purchases and engagement. - Asset ownership: These tokens will represent ownership of real-world assets, providing a secure and transparent method for asset transfer and management. In terms of distribution, I'm looking for: - Initial Coin Offering (ICO): The developer should be able to manage the process...

...3js developer who can create an engaging metaverse with a cartoonish art style. The metaverse should be interactive with customizable avatars and support real-time multiplayer gameplay. Features needed: - Interactive Environments: Users should be able to interact with the world and objects within it. - Customizable Avatars: Users should be able to customize their online persona in multiple ways. -Real-time Multiplayer: The metaverse needs to support multiple users interacting in real-time. Interaction: The primary mode of interaction should be through keyboard and mouse controls. A detailed understanding of user controls in a 3D environment is important. Skills and Experience: - Expertise in 3js for creating 3D environments - Experience with creati...

I'm looking for an experienced professional to create high-quality video content centered around Vedic Mathematics. The content will be aimed at educating students, hence should be engaging, clear and informative. Key Responsibilities and Requirements: - Develop a series of video content on Vedic Mathematics. This will involve covering a wide range of topics and concepts within the discipline. - Utilize an electronic pen and tab for creating these videos. Proficiency in using this technology is a must. - The primary objective of the videos is to provide educational support to students. Therefore, the content should be presented in a manner that is easy to understand and follow. Ideal Candidate: - Prior experience in creating educational content, particularly in Mathematics, w...

I'm in search of skilled songwriters who can write ...other categories. - Reference Tracks: I have over 40 reference tracks that I'll need you to work with. - Purpose: The tracks you'll be writing lyrics for are intended for promotional and maybe commercial use down the line. Ideal candidates will have: - A strong understanding and appreciation for rap, trap, and R&B music. - Proven experience in writing lyrics for a wide range of genres. - Ability to creatively adapt and work with multiple reference tracks Of me melodizing and flowing. - A portfolio or examples of previous work that demonstrate your songwriting skills. -$25 a song if they start growing after release the raise goes with the business so need to be comfortable hustling at fi...

...Machine Learning models. Key Requirements: - **AWS Services**: Your primary focus will be on utilizing Amazon S3 and Amazon Sagemaker effectively within the architecture. - **Programming Languages**: Familiarity with both Python and R is important, given that my models are built in those languages. - **Model Operations**: Your design should focus on enabling batch predictions and facilitate model training and retraining for the Machine Learning models. Ideal Skills: - Experience with Amazon S3 and Amazon Sagemaker are a must. - Proficiency in Python and R for fine-tuning or troubleshooting the models. - Familiarity with designing architectures for batch predictions and model training/retraining. - Strong understanding of DevOps principles and AWS best pract...

Wir möchten auf unserem Online Shop ein Spiel Bogenschießen einfügen. Wir verkaufen Bogensportprodukte. Das Spiel soll ein Konzept beinhalten das dem Kunden die Möglichkeit gibt spezielle ...ein Spiel Bogenschießen einfügen. Wir verkaufen Bogensportprodukte. Das Spiel soll ein Konzept beinhalten das dem Kunden die Möglichkeit gibt spezielle Produkte aus unserem Portfolio einzusetzen, Preise zu gewinnen, Meisterschaften zu simulieren. Es soll kein gewöhnliches Shooting Game sein, sondern spielerisch technische Veränderungen einfließen zu lassen. Regel und Rahmenbedingungen werden von World Archery, bzw. IFAA Federation vorgegeben. Eine Vorstellung über den zeitlichen und preislichen Aufwand über solch ein Projekt wä...

I'm seeking an experienced .NET programmer to a...pressing 'review this company' moves the user to page 2- review your experience. This is what we want to achieve with a single url. This is so that we can provide a url like that will do the same as the previous steps. Ideal skills for this job will include: - Strong knowledge of .NET programming - Experience in modifying applications - Technical ability to integrate new features using querystrings - Appreciation of best programming practices Your primary task will be to provide a page that will perform this function. Duplicating the exisiting page and modifying the duplicate is a suitable solution as the page is being loaded with the id (161068) so that the review can be written in go th...

I'm in need of an expert in software en...development using C#. The project requires the implementation of a robust physics engine into the game engine. Key Requirements: - Proficient in C# programming for Windows platform - Demonstrable experience in game engine development - Strong understanding of software engineering principles The main focus will be on integrating a physics engine into the existing framework of the game engine. If you have experience in creating 2D or 3D physics engines, that would be a huge plus. It is important that you are able to work independently and are self-driven, as the project will involve a lot of individual problem solving and innovation. Experience with multiplayer capabilities would be an added advantage, but not a necessity for th...

I'm in need of a Junior Full Stack Engineer who is proficient with Java, with beginner level experience. The primary task will be to work on implementing Go Live for an assigned project. Ideal skills for the job: - Understanding of Java programming language - Ability to work collaboratively on a team - JSON - XML - SQL - Data Mapping Some experience with project implementation is a plus. Dedicated beginners are also welcome to take their first steps in a real project.

My firm is in need of a reliable virtual assistant to support us with administrative tasks, data entry and customer support. Work will be done from home, anywhere in the world, between 8AM - 4PM EST. Key responsibilities: - Conducting a variety of administrative tasks - Ensuring accurate and timely data entry - Providing top-notch customer support Skills Required: - Intermediate proficiency in G Suite - Strong administrative skills - Effective customer dealing capabilities

I'm looking for a programmer to help me build a visa appointment bot for personal use. Key Requirements: - This is a ...securing a visa appointment. The Bot: - The bot should be able to navigate a visa appointment booking system, select the appropriate options, and secure an appointment on my behalf. Skills and Experience: - Proficiency in bot programming and automation is crucial. - Experience with task automation and appointment booking is a plus. - Understanding of web scraping and navigation is a requirement. - Attention to detail is important to ensure the bot selects the correct options during the appointment booking process. Please get in touch if you have prior experience with building similar bots or automations, particularly in the cont...

As a gift basket business owner, I'm seeking an experienced Woo-commerce developer who can resolve a shipping issue on my website. The problem lies with the incorrect calculation of delivery fees if the customer's billing and shipping address differ. - The Requirement: I need the system to accurately use both the billing and shipping addresses when determining the delivery fee. The rates must differ based on the zip codes entered. - Essential Skills: Deep understanding of Woo-Commerce, PHP, Javascript, and any other relevant programming language. Prior experience in handling shipping/delivery rates customization is a plus. In your proposal, please discuss your previous similar projects and your chosen approach to handle this task.

I'm in search of a creative content creator who specializes in TikTok videos. The main goal of this project is to create engaging and informative promotional content for products and services related to the cryptocurrency world. Ideal Skills & Experience: We give you a 15-30 sec script You get paid $20 - Prior experience with TikTok content creation - Familiarity with $BOLTZ and its market - Strong communication skills - Creative and engaging content creation

...AI-expert for programming and coordination tasks in this project. Given your experience in the AI world, this role will be a perfect fit if you have: - A bachelor's degree or equivalent experience in a field relevant to this job - Previous experience in similar roles, with emphasis on AI programming languages - Strong analytical skills and propensity for problem-solving Key Responsibilities: - Communication and Coordination: You will need to work closely with the team, maintaining strong team dynamics and effective communication - AI Programming: Mastery and proficiency in AI programming languages are crucial for this role Ideal Skills and Experience: - Proficiency in AI programming languages - Exceptional problem-solvin...

I urgently need a C++ developer to assist in expanding my project. Your task will be to implement a unique feature which requires capturing low-level screenshots directly from the GPU. The key responsibilities include: - Developing ...my project. Your task will be to implement a unique feature which requires capturing low-level screenshots directly from the GPU. The key responsibilities include: - Developing a new, specialized feature that captures and handles GPU screenshots. - Ensuring the smooth and efficient performance of this new feature. It's beneficial if you have prior experience with similar GPU-related tasks and a solid understanding of C++ programming, API integrations, and screenshot capture techniques. Please bid now if you believe you have the skills an...

I'm in need of a talented graphic designer who can create a design for our personalized beer glasses. Framework: - Output file as Vector file. - only two colors: The white design on a brown background - No need to place it on the beer glass; just show us the design - Design size: 3-inch wide x 3,5 inch tall. It can be oval, rectangle or something in between - Must include the text " Alexander's Beer Glass" - This is not a Logo design; do NOT send me designs on business cards!!! Let me know if you have any questions. Thank you for your participation.

I'm looking for a functional implementation utilizing AWS media convert in a .NET core environment, with a specific focus on video transcoding. - Functionalities: The main functionality to be implemented is video transcoding with the target being MP4 format. - Desired Output: The desired output resolution for the transcoded videos should be 1080p. Ideal Skills and Experience: - Significant experience with AWS Media Convert - Proficient in .NET core programming - Experience with video transcoding technologies - Understanding of video formats, particularly MP4, and resolution settings.

I'm looking for a developer with in-depth experience in creating smart contracts on the Ethereum blockchain. Key Requirements: - Develop a multisend smart contract that supports ERC20 tokens. The contract should allow for the distribution of ERC20 tokens to multiple recipients in a single transaction. - Implement pause functionality as a security feature. This is crucial to protect the contract from any potential vulnerabilities or attacks. - We would like to be able to interact with the contract if possible (on etherscan) Ideal skills and experience: - Proficiency in Solidity, the programming language used for Ethereum smart contracts. - Prior experience in developing multisend contracts and incorporating pause functionality. - Knowledge of best practices for...

I need a Python expert with an ability to cover various functionalities as per the need. The project might involve data analysis, web scraping, automation, or could be anything else as per the project requirements. The ideal candidate should have: - Expertise in Python programming and its different libraries. - Experience with data analysis, web scraping, automation. - Strong problem-solving skills. While applying, please share: - Your past work related to Python programming. - Your Python programming experience level. - Detailed proposal of how you can assist in this project.

We are seeking a skilled freelancer to automate the process of sending student data to school coordinators via WhatsApp. The task involves parsing a large Excel she...Documentation: The freelancer will provide documentation detailing how to run the script, including any necessary configurations and dependencies. Deliverables: Python script for automating the process, including data parsing, splitting, and WhatsApp integration. Documentation on script usage and configuration. Skills Required: Proficiency in Python programming language. Experience with data manipulation using pandas library. Familiarity with Twilio's APIs, specifically WhatsApp API. Strong communication and problem-solving skills. Timeline: The project should be completed within [1 day] from the d...

I'm looking for a talented graphic designer to create a logo for my new property management company. This logo should stand out yet be minimalist in style. Key Specifics: - Ideal colors are warm and bold, such as p...stand out yet be minimalist in style. Key Specifics: - Ideal colors are warm and bold, such as peach, mild orange, and dark reds/burgundy. - The logo can incorporate a building silhouette. Or even an abstract building. - I prefer the logo not be too tall or too wide. More of a block shape. The ideal freelancer for this job is experienced in modern, minimalist logo design and is able to combine abstract ideas with strong design elements. Color sense is crucial for this task. I look forward to viewing your portfolios and working with a creative min...

I need an expert to help me select the most suitable all in 1 programming language for building various applications targeting multiple platforms (mainly web) 1. I would like to build applications for Web, iOS, Android, Windows 10, Linux, and MacOS & embedded systems (like micro controllers) from single code base 2. I want to learn a language in which we write a code once and can compile for any platform. 3. One possible answer to my questions is JavaScript. We can build server side apps in JS using Node.js & Next.js. Javascript can be embedded in HTML on client side too. We can build desktop apps in JS using Electron and we can make mobile apps in JS using react & angular. But in javascript will code be exactly same for all platforms ? 4. Another option ...

...into a code compatible with a dsPIC microcontroller. This code should be able to handle inputs of both voltage and current. The key features of this project include: 1. Control Strategy: Implementing a Proportional-Integral (PI) controller into the dsPIC microcontroller. 2. Input signals of the system include voltage and current. Being proficient in handling such systems is paramount. 3. Beyond written code, you should provide thoughtful documentation and comments so we can understand your strategies and algorithms. I am not specific about setpoints for voltage and current, so the approach should be adaptable. Ideal freelancers should possess the following skills and experience: - Strong understanding of PI control strategies - Fluency in microcontroller programming - ...

Hi ! We are a company that specializes in AI film creation. We have few film projects in the works. Once we confirm we can work with you, there will be many AI film projects. To make sure we are a good fit. I want to show you a 30 sec. AI film clip for a project we would like to hire you to work on: A few shots are missing between the two scenes. (Starting from 12 sec) if you can show that you can create a prompt image or video that matches this scene for continuity, then we would like to invite you to work with us. We can work out the payment details once confirmed. Thank you. Here is the first page of the script. ***part is the missing part. Looking forward for your reply. I appreciate your interest. FADE IN: INT. THOMAS’S APARTMENT - MASTER

I am seeking an experienced developer to create a website scraper which is capable of collecting various pieces of data. This savvy to...to extract from () site: - Text content - Images - Product information - Address - Contact details - Videos It is essential for the scraper to perform its task on a daily basis. Yet, there won't be a need for the gathered data to be automatically integrated into a database. Ideal Skills: - Web scraping - Developing scraping bots - Programming knowledge - Manual data mining expertise Please only apply for this job if you have significant experience in creating web scrapers. This project requires a quick turnaround, so the ability to work under time constraints is key. Let's converse about specifications, and develop the ...

Hello, so this is will be for the new project.

...MetaMatch Web3 Betting App on Figma Project Description: We are seeking an experienced UI/UX designer to create intuitive and visually appealing app screens for MetaMatch, a cutting-edge betting platform that integrates real-world sports events with blockchain technology. This project will involve designing the user interface from scratch on Figma, focusing on incorporating web3 features such as cryptocurrency wallet integration and web3 registration. Drawing inspiration from Sorare and notable Figma community files, the goal is to design a modern, clean interface with a gaming visual that supports the functionality of a betting app. This interface should ensure a seamless and engaging user experience for blockchain enthusiasts, accommodating the buying, managemen...