Ticket scanner app php databaseงาน

เรากำลังพัฒนาเว็บไซต์ด้วยภาษา PHP (No Framework) โดยจะมี UX/UI มาให้แล้ว ให้ทำการเขียนต่อด้วยภาษา PHP และมีงานที่จะให้เขียน Web API ด้วย PHP เพิ่มเติมด้วย ปริมาณงาน - เขียน Web page 10 หน้าจอ (ต้องเขียน JavaScript,JQuery เพื่อเชื่อมต่อ Web API ด้วย) - เขียน Web API เพื่อรองรับหน้าจอ Web Page ข้างต้น

ต้องการสร้างแอพ Xamarin (Cross Platform) เชื่อมต่อฐานข้อมูล Mssql ดึงข้อมูลจาก แสดงข้อมูลจากฐานข้อมูลพร้อมรูบ และ ทำระบบ Login

ต้องการทีมงาน Programmer จัดทำเว็บไซต์ bootstrap + php + MySQL โปรเจคละ 20k - 100k รายละเอียด คุณสมบัติ - มีความรู้พื้นฐานทางด้านเว็บไซต์ - พัฒนาภาษาโปรแกรม bootstrap + php + MySQL รายละเอียดงาน - พัฒนาออกแบบระบบเว็บไซต์ และอื่นๆ - สามารถทำงานเป็นทีมได้ - สามารถส่งงานตามเวลาที่กำหนด - ทำงานเป็น Part time Freelance ระยะเวลาการทำงาน - Part time Freelance 2-3 เดือน วิธีการสมัคร ส่งรายละเอียดเข้า Line id : tuindy7 รายละเอียด - ชื่อ-นามสกุล - เบอร์โทรที่สะดวกติดต่อ - ตัวอย่างผลงาน ติดต่อสอบถาม Line id : tuindy7 Tel : 0814667776 คุณตู่

ความต้องการเวบไซท์ 1.ระบบจองตั๋ว เรือ รถ ทัวร์ 2.ระบบชำระเงินออนไลน์ผ่านบัตรเครดิต 3.ระบบสมาชิก 4.ระบบราคาสินค้า ราคาปกติ ราคาพิเศษ ราคาสมาชิก โปรโมชั่นต่างๆ 5.ระบบออกตั๋ว E-ticket และ E-invoice ส่งเข้าเมลลูกค้า/บริษัทอัตโนมัติเมื่อมีการชำระเงิน 6.ระบบรีวิว 7.สามารถใส่ได้ทั้งภาพนิ่งและวีดีโอ ในโปรแกรมทัวร์ต่างๆ 8.กรณีจองตั๋ว มีตัวเลือกให้ลูกค้า ว่าจะเอารถรับ-ส่งจากโรงแรมหรือเปล่า 9.ระบบแชทกับลูกค้าผ่านหน้าเวบไซท์ 10.ระบบแอด Line,Facebook,IG & other social media อื่นๆ อัตโนมัติจากหน้าเวบไซท์ 12.ระบบแสดงผล 2 ภาษา Eng/Chinese ตัวอย่างเวบที่ต้องการ

ทำเว็บไซต์ php, javascript และ mysql

Application ที่องค์กรใช้ มี ระบบ Database ใช้ MS SQL

สวัสดีครับ ผม ชิณพล คือผมทำแอพตัวหนึ่ง เรียก php เพืออกใบเสร็จจากมือถือ ปกติพิมพ์เป็นภาษาไทยก็ทำได้ครับ แต่ตอนนี้พอดีมีลูกค้าต้องการพิมพ์เป็นภาษาพม่า (myanmar) ผมใช้ฐานข้อมูล mysql ผมใช้ Code PHP ประมาณนี้ครับ // printer_select_font($handle, $font); $BillUnit =iconv("UTF-8","tis-620",$objArray[BillUnit]); $ProductName = substr($objArray[ProductName],0,40); $text = iconv("UTF-8","tis-620",$ProductName); printer_draw_text($handle, "$i.$text/$BillUnit", $left+0, $j); // พิมพ์ภาษาไทย ก็ใช้ได้ปกติ แต่ตอนนี้ต้องการพิมพ์ภาษาพม่าผมไม่รู้ว่า ต้อง ใช้ utf หรือ code อะไรให้พิมพ์ภาษาพม่าได้ พอมีคำแนะนำมั๋ยครับ และราคาเท่าไหร่ ในการแก้ไขป้ญหานี้

ต้องการซื้อ database ท่องเที่ยวในประเทศไทย

Programming with c # or C ++ connected to the camera. Face Detection with Face snapshot datetime into the database with MySQL. CCTV ( Detection Face of multiple pages on a single ticket )

ทำเว็บ ค้นหาร้านเสื้อผ้าที่เราจะสามารถซื้อเสื้อผ้าชนิดนี้ได้ถูกที่สุดจากเว็บเว็บไซต์ที่ขายของอยู่ทั้งหมด อย่างน้อย 3 เว็บไซต์ ดึงข้อมูลของเว็บขายเสื้อผ้ามาเก็บไว้ เก็บราคา รูปภาพ ลิ้ง เพื่อเอามาเปลี่ยบเทียนดูตอน search mี่หน้าเว็บของเรา

ต้องการข้อมูลที่ติดต่อได้จริง ของร้านสปา และร้านขายส่งผลิตภัณฑ์เกี่ยวกับสปา ทั่วประเทศไทย (มากที่สุด) ข้อมูลที่ต้องการ -ชื่อร้าน -เจ้าของ/ผู้ดำเนินการ -หมายเลขโทรศัพท์ -หมายเลขแฟกซ์ -หมายเลขโทรศัพท์มือถือ (ถ้ามี) -อีเมล์ -ที่อยู่จัดส่งเอกสาร ***เป็นข้อมูลที่ update ใช้ได้จริงเท่านั้น

ต้องเพื่อนที่มีใจรักด้านการทำเว็บมีความคิดสร้างสรรรักงานบริการไม่เห็นแก่เงินไม่ขี้โกง มาเป็นหุ้นส่วนพัฒนาเว็บ แนว Buy & Sell ในรูปแบบ Social Network มี Code ให้แล้วเพียงแค่ต้องการปรับปรุงให้ดีขึ้น มาเป็นหุ้นส่วนกัน 50/50 ดูตัวอย่างได้ที่

Je veux un outil d'IA qui permet de scanner une chaîne Youtube et de proposer des profils exactement similaires tout en permettant de récupérer les coordonnées (les adresses mail, les liens des réseaux sociaux, les noms des propriétaires, etc) en une simple et unique interface grâce à l'IA.

Application code to implement Roomio as a web application in python. You will use the table definition posted at the end of this document.

...Fixing Error Messages: The site is currently displaying error messages related to database connections and functionality. These need to be debugged and resolved. - Adding New Functions: I'm looking to enhance the admin panel with new features in the following areas: - User Management: I need a more robust user management system to be implemented. - Content Management: The content management system should be optimized for smoother operation. - Reporting and Analytics: I require better tools for analytics and reporting within the admin panel. Ideal Developer: The ideal candidate for this project should have: - Extensive experience with CodeIgniter and PHPMyAdmin. - A strong background in resolving database connection errors and functionality issues. - Previous ex...

I need a skilled PHP developer to create a few pages with a modern and interactive design. The web pages should incorporate functionalities like user registration and login, along with a contact form. This assignment requires a deep understanding of PHP along with a creative mind to ensure a user-friendly design that promotes interaction. Ideal Skills: - PHP development - Web design - Experience developing registration/login processes - Experience creating web-based contact forms

Looking for an experienced developer to create a cross-platform Juce VST3 plugin scanner. This tool should be compatible with Windows and macOS. Key Features: - The plugin scanner is meant to detect and organize installed VST3 plugins. It should be able to scan and identify all VST3 plugins on any user's system. It should add these plugins to a KnowPluginList and save this list to an AppProperties Object. It should be a standalone application and have a custom theme that we can discuss. Skills and Experience: - Extensive experience with C++ and Juce framework is a must. - Prior work on creating VST3 plugins or scanners is highly desired. - Familiarity with plugin detection and organizing algorithms. - Experience in creating cross-platform applications and ensuring con...

I'm in need of an expert Mobile App developer to create an Android application for me. This app is primarily designed to scan nearby wifi networks and cellular networks using latitudes and longitudes. Key Features Required: - The central functionality should involve scanning networks. The app should be able to detect the presence of networks in a geographical location based on coordinates. User Interface: - I prefer a minimalistic approach to the user interface. Please ensure it's straightforward, clean, and efficient. Relevant Skills: - Android app development - Familiarity with network scanning technologies - Experience developing minimalistic user interfaces Please reach out if you have a good understanding of these requirements and are capabl...

I'm in search of an experienced developer skilled in Zendesk API int...skilled in Zendesk API integration for a project related to airline claim forms. I will provide you parts of the template and you will add the form, calculations, API integration and ticket creations. The website should be built in Laravel or secure platform. If you know about EC261 claims it makes it way easier to choose you. You will do the following: - Create a form which is predefined through parameters and questions. - Add airline and airport database and organize the data with live search preview. - Calculations based on airport distance and claim form. - Zendesk ticket creation along with correct ticket numer and relevant information. - Multilingual form and site (Swedish and En...

I need a proficient PHP developer who can help me sign XML files and send them through SOAP using a .p12 certificate from FMNT in Spain. We need to use XMLDSig in the body of the message SOAP using: • Sign Algorith : RSA/DSA (better RSA - ) • Canonicalization: "exc-c14n" (Exclusive) • Digest Algorith : "sha1" ( - The certificate will be used on a web-based platform, which requires a professional with strong experience in working across different web environments. - The primary purpose of this project is to authenticate company data securely ensuring data integrity. - Ideal skills include a strong background in PHP, SOAP, XML, web security, and familiarity with .p12 certificates and FMNT standards

I need a skilled PHP developer for a project that requires merging multiple images into a single template. The primary task is to overlay images on top of a template, creating a final image that is a combination of all the images. Key requirements include: - Merging multiple images: This project involves overlaying several images on top of each other to create a final composite image. - Positioning and Size: The ability to adjust the positioning and size of the images being overlaid is essential. While I prefer a simple drag and drop tool to adjust these parameters, the output should be precise. - Output Formats: The final image should be available in both JPEG and PNG formats. Ideal skills and experience for this job include: - Strong proficiency in PHP: Since this project...

** FAVOR DE VER Y LEER EL PDF ADJUNTO CUENTA DEMO WEB Se requiere un reporte con la siguiente información: Reporte en donde marca el máximo valor de nivel de combustible (carga) en este caso es 20,000lts El reporte deberá tener la condición para tomar el punto de carga de si se conservo en un nivel alto por más de 10 minutos, no se ha movido y no cambio el valor digamos 5000,10000,15000,20000lts lo marcará como carga, cuando este detenido por 10 minutos y empiece a detectar movimiento de descarga de más de 2000 litros lo tomará como descarga el ultimo valor más grande. • El reporte se debe generar en el mismo sitio en donde se generan actualmente (imagen 1) Se requiere el formato PDF, HTML y XLS como los de Fuel fil...

AUTO-BIDS WILL BE REMOVED. I'm in search of an experienced developer skilled...skilled in Zendesk API integration for a project related to airline claim forms. I will provide you parts of the template and you will add the form, calculations, API integration and ticket creations. The website should be built in Laravel or secure platform. If you know about EC261 claims it makes it way easier to choose you. You will do the following: - Create a form which is predefined through parameters and questions. - Add airline and airport database and organize the data with live search preview. - Calculations based on airport distance and claim form. - Zendesk ticket creation along with correct ticket numer and relevant information. - Multilingual form (Swedish and En...

I'm in search of an experienced developer skilled in Zendesk API integration ...skilled in Zendesk API integration for a project related to airline claim forms. I will provide you parts of the template and you will add the form, calculations, API integration and ticket creations. The website should be built in Laravel or secure platform. If you know about EC261 claims it makes it way easier to choose you. You will do the following: - Create a form which is predefined through parameters and questions. - Add airline and airport database and organize the data with live search preview. - Calculations based on airport distance and claim form. - Zendesk ticket creation along with correct ticket numer and relevant information. - Multilingual form (Swedish and En...

I'm looking for a proficient developer who can add a page to my website that interfaces smoothly with my MySQL database. The website already has formatting etc, so I'm not looking for that. The database stores a variety of exercise data, and the webpage needs to display this data in an intuitive and user-friendly manner. Key webpage features include: - Display of exercise data: Each exercise's description and its difficulty level should be displayed. There's also a column in the database containing YouTube URL links, so another important feature the webpage needs is the ability to watch these exercise videos directly from the webpage. It is a simple database with only one table. - Users should be able to select the exercise they want from ...

I'm looking for an experienced web developer to help me create a user area website. The functionalities of this platform should include: - Account Registration: The website must have an account registration feature that requires users to provide their email address, username and password to create their accounts. User data, - Users must verify themselves with documents (kyc) I don't want to use an external system like sumup, only internally, it's easy to verify documents, photo front back and selfie - the admin can create orders and generally activate them for all users or only for individual users - the user can accept orders and then has to rate them - excites have a value that should be displayed in the backend - If users have successfully completed orders, they will rec...

Hello there, I have an API to manage a platform to sell tickets, and I need a front-end to consum that API. The front-end app, should be built in Angular. Requirements attached. Thanks

Need a solution A barcode app to print and track our inventory. (Barcode&QR desirable)Online - Webbased. ProductCode/SupplierCode/Category/SubCategory/Batch/Colour/Size/Expiry/Selling PriceA/X/X/X/X/X/XX/XX/XXXX/XXXXXX.00Item description must print on the lable More details: We wish to use this app to count our inventory using bar code scanners Also when items are placed in a box to transfer between two shops, we need it to be able to use the scanner and count accuracy. Is this project for business or personal use? For an existing business What information should successful freelancers include in their application? Experience How soon do you need your project completed? ASAP

I am seeking an experienced Android app developer to create a robust and aesthetic dental care plateform The successful applicant will have: -Expertise in Android app development -Proven experience in creating dental health care apps Primary Function of App: - Establish a user-friendly interface for purchasing and asking disease problem using cam scanner on chatboard frome home or from anywhere we want. -If user want to connect with dentist urgently, for that thing first pay online 50₹ to the dentist and connect with them urgently. - Ensure secure online payment options after contact with dentist. - Effective things categorization for easy user navigation - Provide options for user reviews and feedback Your commitment to timely delivery and clear commu...

Dental healthcare app using cam scanner 1. I want this project in flutter dart language with Firebase. 2. All patients and dentist data can be secure in this app. 3. One cam scanner in chatting session for click the picture of teeth disease at home or from anywhere and share to this on app with dentist and confirmed the appointment with dentist. 4. In this app there is payment option for emergency contact with dentist under 50₹. 5. I want the good UI/Ux in this app with all the good feature of flutter dart language.

I'm seeking a skilled Full Stack Developer with extensive experience in PHP to develop a web application. The primary functionalities I'm looking for in this project are around the API and the ability to handle data updates. Key Requirements: - Expertise with PHP: The ideal candidate should have a strong background in PHP, with the capability to develop robust and efficient code. - Full Stack Proficiency: The project requires both frontend and backend development. Proficiency in both areas is crucial for the success of this project. - API Development: You should have experience in developing APIs, especially around data updates. This is a core part of the requirements. The project is focused on developing a web application and ensuring that the API is cap...

I'm in need of a skilled HTML - CSS - JQuery developer who can help me build a creative a content to add Describtion on the Images. We need for our Ticket system a to upload image and mark them and create Task for that. We will provide u the the HTML Page where u have to add ur work on it. Key responsibilities: - Designing a creative website that stands out - Ensuring the website is fully responsive for mobile devices - Implementing animations and transitions to enhance user experience Ideal skills and experience: - Strong HTML, CSS, and JQuery skills - Experience in creative website design - Proficiency in creating responsive layouts If you have the required skills and can help me build a creative, responsive website, I'd love to hear from you.

I'm currently experiencing a syntax error within a data retrieval process in my SOAP database management system. This error is interrupting the smooth functioning of my website and application. Requirements: - Extensive knowledge and experience in PHP and SOAP. - Proven track record of successfully resolving syntax errors, particularly within data retrieval processes. - Ability to identify, debug and promptly solve syntax issues. - Ability to work efficiently, ensuring minimal downtime during fixes. Additionally, recommendations for preventing similar issues in the future would be appreciated. The ideal candidate should be available to start as soon as possible.

I am seeking a proficient Flutter developer to create an application for both iOS and Android platforms, with integral backend development using PHP/MySQL. Key Responsibilities: * Develop a Flutter app for both Android and iOS platforms. * Backend development of the app using PHP/MySQL. * Creation of Data fetching APIs for seamless user-experience. Ideal Skills: * Proficient in Flutter * Extensive experience with PHP/MySQL backend development * Skilled and knowledgeable in creating Data fetching APIs If you have proven experience in similar projects, I am willing to discuss the details further. Your understanding and expertise in Flutter development and API creation is paramount for this project.

I'm in need of an experienced backend developer to create a mail parser with the following specifications: - **Email Protocol:** The mail parser should support SMTP, so proficiency in this area is a must. - **Primary Goal:** The primary function of this mail parser should be storing emails in a MySQL database. If you have experience with database integration, this would be a big plus. This project requires expertise in backend development, specifically with an understanding of how SMTP works. You should also be familiar with MySQL and have experience in integrating databases into applications. Please provide examples of similar projects you've worked on in your proposal. Thank you.

I need a VA with Wix store experience, a keen eye for detail, and proficiency in spreadsheet management. You'll be tasked with: - Keyword Optimization: Adjust the product titles on my Wix store to ensure they are optimized for search engines. Experience with SEO would be beneficial for this. - Database Creation: Develop a comprehensive database for all my products. This will include attributes like Product names, Product prices, and Product URLs. - Formatting: The database should contain separate columns for each product attribute. Strong organizational skills and experience with data entry would be ideal. Ultimately, the goal is to streamline the management of my product listings for a smoother business operation. Prior experience with Wix and creating pro...

I require a skilled developer to create a bus ticket booking application supported on both Android and Web platforms. This application should feature a user registration and login capability, thereby creating personalized experiences. Here's what is needed: Features - User registration and login feature for personalized use. - Facility to book bus tickets. - Support for credit card and debit card payments. Ideal Skills - Proficiency in Android and Web development. - Excellent understanding of payment gateway integration, specifically debit and credit cards. - Experience in developing applications with user registration and login features. - A portfolio with similar apps might give you an edge. This project demands a high degree of user-friendliness, secure transactions, ...

I need a proficient PHP developer experienced in manipulating URL accessibility. Ideally, only Google bots should access the URL, keeping the link invisible to all other including real human. The task requires the ability to: - Leverage PHP to restrict access to the specific URL; - Use user agent string detection to discern between Google bots and real human users; - Block all real users, regardless of their geographical location or device used. Your extensive background dealing with PHP, coupled with a solid understanding of user agent strings, is essential for this project. If you have previous experience working on similar projects, those will be advantageous. Please share examples of your past work if possible.

I'm in need of a talented PHP Nextjs developer for a project involving a range of tasks including Backend development, Frontend development, and API integration. If you're well versed in PHP and JavaScript, and have extensive experience working with , this could be the ideal project for you. Key Tasks: - Backend development: I require a skilled developer to build and maintain the server-side of the web application. - Frontend development: I need assistance with the development and maintenance of the client-side of the application. - API integration: Experience integrating various APIs is a must for this project. Specific Features: - User Authentication: You'll be responsible for implementing a secure and user-friendly authentication system. - Database ...

I'm looking for a skilled individual who has a good understanding of Mechanical Engineering and Data Science to help me set up a database that records the live feed of on-board sensors in a car. Key Responsibilities: - Utilizing an On-Board Diagnostic Tool and an app to record the data - Implementing a database to store the collected sensor data - Analyzing the data primarily for predictive maintenance using statistical analysis Ideal Skills: - Mechanical Engineering background - Proficiency in working with On-Board Diagnostic Tools - Strong experience in statistical analysis - Knowledge of database management systems and data analysis tools - Experience in predictive maintenance is a plus This project requires attention to detail, analytical thinking, ...

I am searching for a Product Analyst who can apply their knowledge towards data analysis, market research, and performance monitoring. Its a small assignment This assignment involves diving into a snowflake database to explore how customers behave. The goal is to find useful information that can help the Product team make decisions to make the business grow. After you uncover insights, you'll suggest changes to the product, like adding new features, making current features better, or even getting rid of features that aren't working well. You need to do the analysis, create graphs to show your findings, share all the code you used, and also come up with a plan for an A/B test to try out one of your suggested changes. Note: Its a short assignment, not spend more than tw...

...loading times and database slowdowns, which is unacceptable as I regularly have more than 500 concurrent visitors. The primary focus of this project will be optimizing the server's Plesk settings, Postgres and MariaDB databases, and PHP 8.2 configuration. Key tasks will include, but are not limited to: - Configuring Plesk for optimal performance, including adjusting server pool size - Identifying and implementing improvements to Postgres and MariaDB settings to reduce slowdowns - Tuning PHP 8.2 to enhance website speed and performance Ideal candidates for this project will have: - Proven experience in optimizing dedicated servers, particularly with Plesk and Almalinux - A solid understanding of database optimization, including Postgres and MariaDB -...

I'm seeking a skilled PHP/MySQL developer to create a custom PHP POS application. This job will require you to have good experience in PHP/MySQL. You will be paid on a task-based. We will test you with some sample tasks. To be eligible for further discussion I want you to have a look into the portal by visiting the below link and create a free account and try the portal give me one issue you have faced and can be improved in the portal. If you are unable to do above then your application will be rejected immediately.

I'm in urgent need of a full stack PHP developer for a custom web application. The ideal candidate should be proficient in both front-end and back-end development, as well as database management. Key Responsibilities: - Developing a custom web application using PHP - Implementing both front-end and back-end features - Ensuring proper database management Key Requirements: - Prior experience in developing custom web applications - Proficiency in PHP, with a solid background in both front-end and back-end development - Experience with managing databases - Good understanding of security and scalability - Ability to work in a fast-paced environment - Strong problem-solving skills Please note that knowledge of any specific frameworks like Laravel, Code...

I need a skilled PHP developer with full-stack capabilities for an urgent web application project. The primary purpose of this project is the development of a web application, with a major focus on user login and authentication. Key Tasks: - Front-end Development: The ideal candidate should be proficient in creating user-friendly interfaces that are engaging and responsive. - Back-end Development: A strong understanding of server-side languages and database management is essential for this project. - Database Integration: The successful candidate will be responsible for integrating and managing databases to ensure seamless operation of the web application. The most important feature of this web application is user login and authentication. As such, the developer sho...

I'm in urgent need of a PHP developer to create and implement APIs. The API will be utilized by a frontend that's already been designed. Key Project Details: - I'm looking for APIs to cater to User authentication, Data retrieval, Data manipulation and allow for file uploads. - The project has an 'ASAP' deadline, so I'm seeking a developer who can start immediately and work quickly without compromising quality. Ideal Candidate: - Proficient in PHP and experienced in API development - Skilled in creating secure and efficient user authentication systems - Capable of executing data retrieval, manipulation, and file upload functionalities with precision and speed

*** FAVOR DE VER Y LEER EL PDF ADJUNTO CUENTA DEMO WEB Se requiere un reporte con la siguiente información: Reporte en donde marca el máximo valor de nivel de combustible (carga) en este caso es 20,000lts El reporte deberá tener la condición para tomar el punto de carga de si se conservo en un nivel alto por más de 10 minutos, no se ha movido y no cambio el valor digamos 5000,10000,15000,20000lts lo marcará como carga, cuando este detenido por 10 minutos y empiece a detectar movimiento de descarga de más de 2000 litros lo tomará como descarga el ultimo valor más grande. • El reporte se debe generar en el mismo sitio en donde se generan actualmente (imagen 1) Se requiere el formato PDF, HTML y XLS como los de Fuel ...

I currently have a PHP script that echo's the value of a MySQL db and results appear 3 to a page using Pagination. I'd like the script modified to filter results. There should be a drop down box on the page with the selections of the drop down corresponding to the table column and when selected only the rows with the value of the column appear while still only displaying 3 to a page with page back and forward controls. In the below example of a db table the drop down box would contain the selections 1, 2 and 3. When the used selects 1 then the page output would only display Bob, Jane and Sarah. This is an already existing page with css in the output. Name Address. number ------------------------------------------------------ bob brisbane. ...

I am seeking a detail-oriented freelancer who can expertly transfer text data from PDF files into a database. The ideal candidate should possess the following skills and experience: - Proficiency in working with PDF files - Expertise in data entry tasks - Experience in formatting and structuring databases - Excellent attention to detail Suitable candidates need to handle copious amounts of text data, accurately convert the text-containing PDF files into a structured and organized database. This includes careful validation to ensure no data is lost or misrepresented during the data entry process.

Hi Ashish, this is for the tasks I emailed about.