Ajax tic tac toe työt

I have a plain PHP script where users ca...happen if there is no active user linked to a league/team. Now, here's the exciting part. Every match should be generated at 00:00 with certain random variables. So, for example, if a player is in League 1, I want all matches in that league to be generated. I've created an example of how I want to visually present this to the user. Check out the example here: Online Soccer Game Example. Choose Ajax and Feyenoord, and start the match for a preview. Changes must be for More details: What programming language is your script currently written in? PHP What information should successful freelancers include in their application? Past work How soon do you need your project completed? ASAP

I'm in need of a skilled web developer to help me with the following tasks: - HTML coding - Implementing AJAX - Developing JavaScript elements The project involves creating a website that caters to the general public. The key functionalities I'm looking for are: - Data submission and processing - Real-time updates - Dynamic content generation Ideal candidates for this project will have - Proficiency in HTML, AJAX and JavaScript - Previous experience in developing websites aimed at general public - Ability to deliver on data processing, real-time updates, and dynamic content generation. Hello to you freelancers, I programmed an availability check on one page. If a user enters a street, zip code or city into the text field on the page, they will receive the respe...

I need assistance troubleshooting an Ajax call. Specifically, there's an issue with the condition logic--validating user authentication status. I am seeking a skilled professional who has: it only front end work - Expertise in integrating API - Extensive experience in Ajax - Understanding of condition logics - Knowledge in remote desktop support This task requires 1 to 2 hours of remote work. Please ensure you're available for this duration. Your assistance will be highly appreciated!

Search engines need to be implemented at 3 cpts, these results must be loaded via Ajax on the same page, and with pagination. 2 of the forms have nested fields, that is, one option is chosen from a list and the other drop-down menu is filled automatically. I send screenshots in the document

I'm seeking a skilled researcher to help me with a research paper focusing on the effectiveness of project management tools in infrastructure construction projects. Key requirements and responsibiliti...projects. - The research should aim to provide valuable and actionable recommendations for improving the project management practices within construction sector. Skills and experiences required: - Significant experience in academic research - Proficient in analyzing survey data - Strong knowledge of project management, particularly within the context of construction projects - Familiarity with the TOE model and fsQCA would be advantageous but not mandatory If you have the required knowledge, skills, and dedication to help me with this project, I would love to discuss it fu...

I have an error in my asp.net MVC application. The form is using AJAX to show particular dropsownlist data. its working fine but if the validation works, the ajax call is reseting and stop working.

**Project Title:** Transfer and Enhance PHP/Mysql/Ajax Team Organisation Tool to Flutter Web App **Project Description:** We are seeking a skilled developer to assist in migrating an existing PHP/Mysql/Ajax Team Organisation Tool to Flutter, with the aim of releasing it as a web application. The primary objectives of this project include implementing a robust user authentication system, enhancing work organisation capabilities through calendar events, introducing user profile management for self-updating special user data, incorporating team management by assigning role models such as Teammember, Teamorganiser, Controller, Boss, and Admin, adding communication options to send team emails, chats, SMS, and WhatsApp messages, including timestamp functions for each team member w...

...data from You will do the following for each part number and in region • Search and locate the part number on competitive websites • If not located indicate not available • If located capture the following and manually enter into our tool or spreadsheet: ○ Direct Product URL (not URL for search / list that contains product) ○ Product price without VAT / Tax ○ Product price with VAT / Tac (if shown) ○ Freight price if available There will be approx 600-1000 items per region, approx 3-5 competitive sites and 6 regions. The entire project is estimated to take 2 weeks of continuous effort or approx 80 hours. Ideal Candidate: - Proficient in web research and data entry - Highly detail oriented This project requires meticulous attention to detail. Th...

...users should be able to change chart view to 1m, 5m, 15m, 1D, 15D, 3M, 6M, 5Y. Key requirements: - Creation of a live stock chart - Integration with stock price and volume API's - Interactivity with hover details - Web platform development - Needs VWAP indicator - Needs 1m, 5m, 15m, 1D, 15D, 3M, 6M, 5Y views The ideal candidate for this project should have: - Proficient skills in Javascript, AJAX, and PHP - Proven experience in building live charts - Familiarity with stock price and volume data - Strong understanding of web platforms and interactivity - Excellent communication skills and ability to understand and interpret my needs. - Using , or another platform is ok as long as this works within a Wordpress / Elementor website. If you've got the skills and experi...

100% mobile compatible Powerful, safe and high performance PHP, MYSQLI, CSS3, HTML5, JQUERY, AJAX technologies Unlimited Main Categories Unlimited Subcategories Unlimited Category Custom Fields Unlimited Category Filter Options Component supported homepage that can be managed from the panel Possibility of using it throughout Türkiye (province & district & neighbourhood) or regionally (district & neighbourhood)! Google Maps ad location featureStreet View feature TRY, USD, EUR and GBP currency support TL equivalent of foreign currencies according to current exchange rates Store and store representatives Instant messaging between members Favorite postings Individual membership, corporate membership and membership packages Unlimited membership package based on total ad,...

...need few tasks to do. 2. Site Speed / Database Optimization: Fix site speed when doing site search, using finder plugin and when navigating the subcategories on layered navigation.  E.g. click “Shop Parts”  , then click one of the menus on the left categories such as “Braking System”. Paging through category pages also same speed issues. a. I’ve tried enabling Ajax and still same issue with performance. b. Site search is using Elasticsearch but still very slow c. Need to aim for 1-2 seconds load time. 3 . Magento Checkout: a. Fix bug on Checkout page regarding address. “Error occurred” when we add an address in Magento admin, then customer tries to use the account to make a purchase. b. Implement Google address auto-comple...

...with business area/activity Report List View • List all registered business: multiple filters with all the row/records • Can view a business record • Can edit a business from the list • Can export to PDF a business • A total number always shown in the list of the filter/selection Note: District users can access only that specific District data and all search, filters preferred auto results (ajax). I am open to suggestions on features that could enhance the usability and efficiency of the database. Ideal candidates for this project should have experience in: - Web development - Database management - User access control - Data visualization, particularly with charts and graphs and also map. Please provide a proposal outlining your approach to this pr...

help in php and js remotely, I have an error when returning data from an ajax

I need an experienced ASP.NET full-stack developer to provide job proxy from 7:30 pm IST to 2:30 am IST. (must have to work on client laptop wia screen sharing) Resource must have Knowledgeable of the ASP.NET framework, Microsoft SQL Server, and design/architectural patterns (e.g., Model-View-Controller (MVC)). Knowledge of web development languages, such as HTML, XML, CSS, JavaScript, and AJAX. Experience with database servers, particularly Microsoft SQL Server 2016 or newer/ In-depth knowledge of the .NET infrastructure Experience with architecture styles/APIs (REST, RPC). Understanding of the Agile methodology. Knowledge of REST and RPC APIs. Strong communication and interpersonal skills with an ability to work well in a team setting. Advanced proficiency in C#, F#, or VB.NET; ...

... best practices, and emerging technologies to continuously improve plugin development processes and standards. Requirements: Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience). Proven experience as a WordPress Plugin Developer, with a strong portfolio showcasing custom plugin development projects. Proficiency in PHP, HTML, CSS, JQuery, and AJAX, with a deep understanding of WordPress and WooCommerce architecture. Experience with developer-level testing, debugging, and troubleshooting of WordPress plugins and themes. Familiarity with version control systems (e.g., Git) and project management tools (e.g., Jira, ZenDesk). Excellent communication skills in English, both written and verbal. Strong attention to detail, wi...

>> Nur Deutschsprachige, only German speaking Freelancer! Die TravelBroker suchen einen API Coder/Programmierer zur Erweiterung unseres Teams als Freelancer. Anforderung: API client-side scripting (AJAX) and server-side scripting (PHP) / XML Kommunikation für Hotel Raten, Verfügbarkeiten und übliche Buchungsdaten bei einer Hotelbuchung. Projekt Angaben: -API Doku in Englisch sauber und einfach vorhanden -Buchungskalender schon fertig im Standard -Überschaubare Anpassungen und Integration benötigt -Dauerhafte und langfristige Remote Zusammenarbeit via Mail, Trello od. Slack -Hohe IT und Coding Verständnis bei uns vorhanden, das erleichtert unsere Zusammenarbeit enorm! -Sie haben nur einen Ansprechpartner dauerhaft! Bitte kontaktieren Sie mich ...

I need a custom code for a WordPress page template that generates a Google map with markers for each page on the website having an Advanced Custom Field of 'location'. The key features of this project include: - **Customization of Markers**: The map should have clickable markers with custom icons. The markers should also be clustered to avoid clutter in case of o...**Pop-up Information**: When a user clicks on a marker, a pop-up should display showing the page's small featured image, title, categories, and a link to the page. Ideal Skills and Experience: - Proficient in WordPress and experience with Advanced Custom Fields (ACF). - Strong experience in Google Maps API. - Ability to create interactive and dynamic user interfaces. - Familiarity with JavaScript and AJAX...

I need an experienced HTML developer to update my webpage code. The key requirement is to add an auto-population feature. Key Requirements: - Implement an auto-population feature in the HTML code. - The auto-population should be activated based on a specifi...auto-population feature. Key Requirements: - Implement an auto-population feature in the HTML code. - The auto-population should be activated based on a specific VAR (variable) included in the "Script AutoPop Matrix V1". The autopop will then open a specific Menu item based on the VAR and the Script AutoPop Matrix. Ideal Skills and Experience: - Strong expertise in HTML, JavaScript and possibly AJAX - Prior experience in implementing auto-population features in webpages - Ability to work on the project and deliver ...

Potrzebuje 5 krótkich 10 sekundowych filmików. W postaci rolki, tic toka. Dynamiczny montaż procesu montażu z podkładem muzycznym kończące się danymi do kontaktu i QR kod

I'm looking for a FullStack .Net developer with expertise in the following areas: - C# - SQL Server - Javascript - Ajax - CSS - HTML - Bootstrap - Angular The purpose of this project is to build a robust web application, primarily focusing on data input and retrieval functionality. Skills And Experience: - Extensive knowledge of SQL Server and C# - Proficiency in Javascript, Ajax, CSS, HTML - Experience with Bootstrap and Angular. - Proven track record in web application development involving data input and retrieval. An ideal candidate should be a problem solver with a keen eye for detail, who can readily adapt to changing requirements.

I need to modify the attached javascript to execute every 2 seconds and not wait until as it currently is doing. Also need an ajax method of accomplishing same task as well?

...debugger, write modules and themes. In your response please ensure you post "Read in detail". If you do not, I will not consider your response and tag it as spam. What kind of development work is this? This isn't your typical Drupal website where you find a module, install and configure. Deep knowledge of Drupal's entity system, services, twig, YAML files, controllers, form system, FAPI system, AJAX, and JQuery, MySQL is a must. You should be a developer who is comfortable maintaining and building custom modules. Focus on Drupal programming standards is a must. Knowledge and usage of a PHP debugger is also a must. After "Read in detail", please tell me the most complex Drupal project you worked on. Why was it complex and how did you solve this prob...

I'm looking for an experienced PHP developer with a strong background in WordPress with a good knowledge of AJAX and MySQL to make changes to my (Freeio)theme based website. . - **Layout Modifications**: The first aspect of this project is to alter the layout of the site. Specifics on changes I need are freelancer profile card view modifications, FAQ section in freelancer's service page, freelancer details TAG input should be multiselect option. - **Functionality Improvements**: Additionally, I'm looking to improve the functionality of the site. This include review system, freelancers on service search bar, highest rated freelancers listing with required condition, freelancer can post one service for one category, message files should be visible for admin. 1. Only ...

Estoy buscando un formador/profesor online para 2 personas de nuestro departamento TIC. La formación buscada sobre integración de aplicaciones de salud en el entorno hospitalario (HIS, HL7...). Una formacion que suponga reuniones semanas (2 dias, 3 horas) durante las semanas que sean necesarias.

I'm looking for an experienced PHP developer with a strong background in WordPress with a good knowledge of AJAX and MySQL to make changes to my (Freeio)theme based website. . - **Layout Modifications**: The first aspect of this project is to alter the layout of the site. Specifics on changes I need are freelancer profile card view modifications, FAQ section in freelancer's service page, freelancer details TAG input should be multiselect option. - **Functionality Improvements**: Additionally, I'm looking to improve the functionality of the site. This include review system, freelancers on service search bar, highest rated freelancers listing with required condition, freelancer can post one service for one category, message files should be visible for admin. 1. On...

I need a skilled WordPress and PHP developer with a good knowledge of AJAX and MySQL to make changes to my (Freeio)theme based website. - **Layout Modifications**: The first aspect of this project is to alter the layout of the site. Specifics on changes I need are freelancer profile card view modifications, FAQ section in freelancer's service page, freelancer details TAG input should be multiselect option. - **Functionality Improvements**: Additionally, I'm looking to improve the functionality of the site. This include review system, freelancers on service search bar, highest rated freelancers listing with required condition, freelancer can post one service for one category, message files should be visible for admin. 1. Only Verified Freelancer should be displayed/lis...

...BE DONE THAT IS THE CONDITION) I need a skilled frontend developer to create basic HTML/CSS pages. You will need to integrate these frontend pages with a Python backend. The project involves adding JavaScript for client-side validation and implementing AJAX page transitions. After pressing the 'save' button on one of the pages, the page should transition to the next. The data inputted should be sent to the Python backend for processing. Key Requirements: - Proficient in HTML, CSS, and JavaScript - Experience with client-side validation and AJAX - Prior work experience that showcases your frontend development skills - Proficiency in Python is a must for the backend implementation Please provide me with your relevant past work when you apply for this project. Wou...

I need a Tic Tac Toe game implemented in C++. The game should support local multiplayer, with a simple text-based (console) graphical interface. Key Requirements: - C++ programming skills - Experience with game development, particularly Tic Tac Toe - Ability to create a basic text-based user interface The game should be designed for Windows platform. The core gameplay should be solid and allow for two players to play against each other on the same machine. The graphical aspect should be simple and intuitive, with text-based display. If you're an experienced C++ developer with a knack for game programming, this project could be a fun and quick one for you to pick up. Please provide examples of your previous game development work alongside ...

...also be used to rapidly develop code. Here's a breakdown of the APIs, webhooks etc. needed for the functionality we'd like: 1. Order Tracking Shopify Admin API: Use this API to access and manage order data, providing real-time tracking updates to customers. Webhooks: Implement webhooks to receive real-time notifications on order status changes. 2. Shopping Cart Management Shopify AJAX API: Use this API for a seamless shopping cart experience that allows customers to add items to the cart, update quantities, and view cart contents without reloading the page. Storefront API: Allows management of shopping carts directly through customer interactions on the frontend. 3. Order Modifications Shopify Admin API: Facilitates modifications to orders that...

I need an experienced Laravel developer to integrate and manage the database for my existing project, www.getyourhomes.in. The task is not only basic CRUD operations but also extends to admin panel updates and AJAX call filters. - Database Management: You should be adept at advanced database management with stored procedures, triggers, and optimization. - Language Proficiency: Strong language skills in either Bengali or Hindi is essential. Your role would be crucial in improving the functionalities of my project. Prior experience in similar projects would be a bonus.

This is a very basic 3 or 4 page WordPress website. Skills needed: MySQL / AJAX / fetch / Axios / PHP / JavaScript / JSON / jQuery I'm seeking an AJAX solution for live data retrieval. Features/Pages - Registration & Profile Management page - User Data Entry Form with Data Entry History page - User Data search field page Site will need to integrate into a page builder (Oxygen) Please read the attached PDF and let me know if you can achieve the goal. Thank you for your consideration.

I'm looking for a skilled .NET developer with experience in JSON, MS SQL, AJAX, and HTML to help me migrate my existing website to a new template. The specific features that need to be migrated are the design layout and content pages. To give some context, the primary objective of this migration project is to enhance the functionality of the website. An ideal candidate should be well-versed in enhancing user experience and updating design aesthetics. Your role will be pivotal in ensuring that the new template not only preserves the existing features but also improves the functionality. The key difference I'm aiming for in the new site is faster loading times. This means that you should be able to optimize the site's performance and ensure that the migration process ...

Hello. I can create a blog website and any optimization you want in your web. I have 7+ years of experience in WordPress/Ecommerce website creation. I have developed and designed dozens of sites in WordPress. I am proficient in PHP, MYSQL, HTML, CSS, JAVASCRIPT, JQUERY, and AJAX. Please send me a message so can show you, my work. Sincerely, Vivek

Hi, We have developed a universal APP (Flutter) and we would like to integrate a "TIC TAC TOE" game into the APP. I have attached a photo of the game that we found some time ago but i am not able to remember the website link. Basically what we need is the follow: - Find the app or a similar APP - Purchase it - Integrate it Thank you.

you should start right away should have proficiency in core php, jquery, ajax and mysql budget INR 100 per hour, need to work for another 15 to 20 days

long term , full time flask developer needed to build ecommerce backend you should start right away should have proficiency in flask, jquery, ajax and mongodb budget INR 100 per hour, need to work for another 15 to 20 days

long term , full time flask developer needed to build ecommerce backend you should start right away should have proficiency in flask, jquery, ajax and mongodb budget INR 100 per hour, need to work for another 15 to 20 days

...Inline editor like Gutenberg. The current setup of everything being at top is a bit old fashioned though completely functional. A block-based system with modern inline editor would be really great. - Shortcuts: It should support shortcuts. Obviously things like bold, italics, and underline should work (duh, it should be obvious). But, we also use CTRL+S in our current system to Save the form via AJAX. The saving functionality is built from our side, just that you should have functionality to pass such key presses our of the WYSIWYG IFrame. - Buttons: We have a lot of our functionality running over TinyMCE, this includes our own tools for monetization, inserting YouTube videos, etc. The code for that already exists from our side. We would just need the WYSIWYG to have functionalit...

I'm on the lookout for a proficient web designer with expertise in HTML, CSS, SASS, JavaScript, AJAX, and jQuery to bring to life an informational website oriented towards professionals. Key Responsibilities: - Creating a website that effectively provides details about our specific products and services. - Crafting a user-friendly layout that resonates well with professionals. Preferred Skills and Experience: - Profound knowledge and practical application of HTML, CSS, SASS, JavaScript, AJAX, and jQuery techniques. - Demonstrated experience in designing informational websites. - Capacity to understand and target professional audience's needs and preferences. - Strong eye for detail and commitment to webpage optimization. I look forward to hearing from you, pre...

...template (after agreeing with me in advance). The main condition is that the final website should be no worse than competitors' and not contradict the template and corporate style. Examples of favourite designs: kymabeach. ae sanbeachdubai. com twiggy. ae/twiggy/ Other website elements should be added: WORKING HOURS SPECIAL OFFERS CONTACT DETAILS Table reservation form Social media buttons: INSTAGRAM TIC-TOK FACEBOOK WEBSITE PARKING info WAY TO THE RESTAURANT - Google maps Basic SEO optimization for website internal pages. Basic Website loading speed optimization. All the information is attached. If something is missing (text), do the layout with "Loren ipsum." I will replace it later. The ideal candidate should have a strong proficiency in creating visually ...

Estoy en búsqueda de un hábil desarrollador de PHP para crear una plataforma de tickets de soporte técnico. El proyecto está dividido en varias tareas, y el pago se...tareas, y el pago se realizará por tarea completada según el precio establecido. Requisitos Clave: Seguimiento del estado de los tickets. Asignación automática de tickets a técnicos. El freelancer ideal para este proyecto tendrá experiencia previa en el desarrollo de sistemas similares y un profundo conocimiento de PHP. Frameworks: Valoramos la experiencia en frameworks como Laravel, JavaScript y Ajax, que potenciarán el desarrollo de la aplicación. Herramientas de Base de Datos: Es fundamental contar con experiencia en el uso de herr...

long term , full time flask developer needed to build ecommerce backend you should start right away should have proficiency in flask, jquery, ajax and mongodb budget INR 100 per hour, need to work for another 15 to 20 days

I'm in urgent need of an IMEI generator. I need it to draw IMEI numbers both randomly and from a database based on specific parameters. Key ...numbers are the device brand and the operating system (OS). - **Web Interface**: The tool should be accessible through a user-friendly web interface that allows me to easily generate the IMEI numbers. Skills and Experience: - Proficiency in Python, as I believe the tool can be built on existing scripts like ``. - Experience in working with databases, ideally with knowledge of the TAC database. - UI/UX design skills to create a simple and user-friendly web interface for the tool. The deadline for the completion of this project is ASAP. Please only bid if you can start immediately and deliver top-quality work within a short timeframe.

...also be used to rapidly develop code. Here's a breakdown of the APIs, webhooks etc. needed for the functionality we'd like: 1. Order Tracking Shopify Admin API: Use this API to access and manage order data, providing real-time tracking updates to customers. Webhooks: Implement webhooks to receive real-time notifications on order status changes. 2. Shopping Cart Management Shopify AJAX API: Use this API for a seamless shopping cart experience that allows customers to add items to the cart, update quantities, and view cart contents without reloading the page. Storefront API: Allows management of shopping carts directly through customer interactions on the frontend. 3. Order Modifications Shopify Admin API: Facilitates modifications to orders that...

...website to new heights. Specifically, I need a PHP expert who can: 1. Implement new functionalities: • Twitter integration: I would like my web page to be able to post updates directly to Twitter. This requires knowledge of Twitter APIs and related compatibility issues. 2. Some fixes • The contact form is not working and needs to set up with a captcha to avoid SPAM. • A dynamic ajax gallery is not loading photos on a section 3. Design problem on one section, photos are not aligned on the center. 4. Intranet section failure when INSERT data to DATABASE, not always, just in some cases, will explain. Que hable español. Exceptional skills in PHP are fundamental. Familiarity with Twitter integration is vital. If you're the PHP expe...

...all social media activities - planning, launching, drafting, monitoring, optimizing, etc. - for Juan and Only Events Use creative means to plan, organize, and implement a range of social media programs, campaigns and/or events that drive site traffic and engagement, brand awareness as well as interest in Juan and Only Contribute to and regularly update social media properties such as Linked In, Tic Tok, Facebook, Twitter, Instagram, YouTube, and others Tweeting daily while engaging influencers to increase the followership of Juan and Only Posting on Facebook daily and exploring new ways to leverage Facebook for business purposes Building a strong presence on Google+, making the most of SEO to assist Juan and Only Events Develop content calendar Listen to and monitor all social ...

I have a VBScript page that uses Classic ASP to query an SQL database with over 4000 entries. This is now causing loading issue due to the number of entries loaded into the web page. I require this page to be converted to JSON and save as a text file. The saved text file should then be loaded using AJAX and using JavaScript formatted for using Data Tables. I am also open to other ways that this can be achieved BUT DataTables is a MUST as all entries need to be loaded on the page and it MUST be written in VBScript. The current web page formatting and design details MUST remain the same. A copy of the page will be sent to the ideal candidate. No other data will be supplied. I'm looking for someone that has very good understanding of VBScript, Classic ASP, JSON and JavaScript i...

...in need of an experienced ASP.NET full-stack developer to provide job proxy from 7:30 pm IST to 2:30 am IST. (must have to work on client laptop wia screen sharing) Resource must have Knowledgeable of the ASP.NET framework, Microsoft SQL Server and design/architectural patterns (e.g., Model View-Controller (MVC)). Knowledge of web development languages, such as HTML, XML, CSS, JavaScript and AJAX. Experience with database servers, particularly Microsoft SQL Server 2016 or newer/ In-depth knowledge of the .NET infrastructure Experience with architecture styles/APIs (REST, RPC). Understanding of the Agile methodology. Knowledge of REST and RPC APIs. Strong communication and interpersonal skills with an ability to work well in a team setting. Advanced proficiency i...

We are looking for a Full stack Python developer who can help us to modify Web application that will interface with a AWS (EC2) cloud server. We need someone who has experience with API integration, MQTT, Sockets, MYSQL, S3 bucket, AWS IOT, Dynamo DB, Lambda function, ajax, java script with react, data prediction and analytics, git hub using Python. we can face some issue in web Application. 1. Application surfing slow 2. Application which have showing "Bad Gateway" error. so we want to do Application maintenance. As a candidate, we would like you to submit a proposal that outlines your experience with similar projects and how you can help us achieve our goals. Please include links to any past completed projects that are relevant to this job description. We look forwa...

...especially in some aspects of CSS, JavaScript, and AJAX. User Name: 11170486 Password: 60-dayfreetrial Tasks: Review the current user interface and identify areas for improvement. Make the necessary changes to CSS, JavaScript, and AJAX to improve the user experience. Test the dashboard to ensure its functionality. ---------------------------------------------------------------------------------------------------------------------- Timeline: Budget: We have a specific budget for this project. Please send us a quote based on our requirements. Requirements: Excellent experience in HTML, CSS, and JavaScript Good knowledge of a JavaScript framework like jQuery. Experience using AJAX technology. Good analytical skills. Problem-solving