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A program in Racket/Scheme that implements a parser in its code, controlled by an LL1 grammar of at least 5 rules and performing, for example, validation/translation of some text input. The output of the program will be e.g. input value recognition, translated text or error detection. See an "example 1" . You can use functions fot this example, but the grammar must be you own. Using of recursive descent parser is recomended - see "example 2". General rules: Note that calling a ready-made function from the library is not sufficient to accomplish this task. Your own code must contain a visible algorithm. Your program must work according to the documentation. All documentation must be written in the source code . The program must include: (in source code) Br...

I am currently struggling with a specific issue in my App Sheet. The drop-down f...functionality isn't functioning as expected - it's not populating the correct values. I need assistance in making it work properly. The ideal candidate for this job would be an expert in App Sheet, with experience working with drop-down functionalities and troubleshooting them. Knowledge in data entry forms and calculations and formulas is a plus. To summarise, your job would be to: - Troubleshoot and fix the drop-down functionality in my App Sheet - Ensure correct values are populating in the drop-down list - Optimize for future efficiency and user experience. Please, only apply if you can demonstrate relevant past work in this area. We will collaborate closely to ensure the issue is ...

I need help to sanitize my online database to eliminate duplicate entries. My primary data source is an online database which has become cluttered with repetitive information. This hampers the overall efficiency and creates error in my outputs. I urgently require a skilled data entry expert with a strong competency in data cleaning, in particular, the elimination of duplicate entries. Your role will involve systematically reviewing the database, identifying duplicates and then removing or merging this data. Familiarity with online databases and previous experience in data cleaning is a necessity for this task.

I'm currently dealing with an issue where an existing Java code for a data processing function isn't working as expected, but I'm uncertain as to what's causing the problem. Skills and Requirements: 1. Expertise in Java: The job requires a proficient understanding of Java programming to understand and diagnose the existing code. 2. Experience in troubleshoo...freelancer needs to be competent in identifying and rectifying coding errors. 3. Understanding of Data Processing Applications: As the main issue with the code lies in its data processing function, an understanding of this will be beneficial in diagnosing and remedying the situation. Your job will be to inspect the Java code, identify the issue within the data processing function, and provide a solution...

Hi, I'm looking somone to edit my websoftware developped in php/mysql : Add : - field to attach a file per client - add account expiration date - Email notification - Link vehicles by API with our geolocation system

...study questions, develop your proposed solution by following these five steps: 1. Read the case study to identify the key issues and underlying issues. These issues are the principles and concepts of the course module, which apply to the situation described in the case study. 2. Record the facts from the case study which are relevant to the principles and concepts of the module. The case may have extraneous information not relevant to the current course module. Your ability to differentiate between relevant and irrelevant information is an important aspect of case analysis, as it will inform the focus of your answers. 3. Describe in some detail the actions that would address or correct the situation. 4. Consider how you would support your solution with examples from ex...

I'm seeking assistance specifically in algorithm and data structure design in C++ for an academic project. Requirements: - Proficiency in C++: You should have a solid understanding of C++ syntax, language concepts and the ability to write clean, efficient code. - Understanding of basic sorting and searching: Your expertise should cover elementary algorithm design, including basic sorting and searching techniques. - Strong Communication Skills: You should be able to communicate effectively and explain complex ideas in a clear and concise manner. Ideal candidate: - Prior experience in academic projects. - Previous work on algorithm and data structure design. - Familiarity with C++ best practices and standards.

I need a proficient PHP coder who can write a script for me that will print images (in JPEG format) and QR codes on a thermal printer. The images are our company logo and the QR codes are meant for conducting reviews. This PHP script will be used online on a cloud platform. Ideal skills for this job are: • Strong expertise in PHP • Familiarity with JPEG images and QR codes • Experience in creating scripts for printing needs, specifically on thermal printers • Understanding of cloud platform workings. Your primary task will be the creation of a script that can accurately print images and QR codes on our thermal printer, effectively facilitating bill printing for our operations. Deliver a clean, efficient code that can be effortlessly integrated a...

Hi Alauddin, This is Salina, I need your help about my logo image. Can you contact with me +1 416 998 7372 or you can send your cell number and convenient time i can contact with you. I have to talk regarding work and prices, after i will fix. Have a nice one! Thank you

I'm looking for a skilled SEO specialist to work hourly on our own and clients sites who can help me with the following tasks: - Conduct an in-depth audit of my website's on-page SEO, identifying any issues that could be impacting our search engine rankings. - Implement fixes and improvements, with the aim of boosting our organic traffic and keyword rankings. - Optimize my website's service area URLs to enhance local search visibility. - Incorporate local schema markup to further improve our local SEO performance. Do not waste your time offering millions of pointless backlinks, do not waste our time with milestones, it's hourly work, if wanted milestones we would have done milestone projects! You will be hired hourly as and when we need work done. If work is go...

I need help to sanitize my online database to eliminate duplicate entries. My primary data source is an online database which has become cluttered with repetitive information. This hampers the overall efficiency and creates error in my outputs. I urgently require a skilled data entry expert with a strong competency in data cleaning, in particular, the elimination of duplicate entries. Your role will involve systematically reviewing the database, identifying duplicates and then removing or merging this data. Familiarity with online databases and previous experience in data cleaning is a necessity for this task.

...self-help content, tailored particularly for a young adult audience. I have the most of the content just need it do have a bit more personality to it. Can’t be copied from CHATGPT Key Points: - The genre is Self-help, so the ideal candidate should have a good understanding of this genre and how to present information in a clear, engaging, and motivating manner. - It's crucial that the writing style is conversational and engaging. This is to ensure that the book is easy to read and will resonate well with the young adult demographic. - You should be able to deliver 20 pages of high-quality content within a reasonable timeframe. The book should be well-structured, with a logical flow of ideas. Ideal Skills and Experience: - Proven experience in ghostwriting, ...

... $cond: [{ $eq: ['$fromUser', userId] }, '$toUser', '$fromUser'], }, lastMessage: { $first: '$$ROOT' }, }, }, { $sort: { '': -1 }, }, { $skip: startIndex, }, { $limit: limit, }, ]); // Further processing and emitting results via } catch (error) { (error); throw error; } }; Performance Results: Total Time: 36.389s Chat Aggregation: 35.670s chats model: `const mongoose = require('mongoose'); const chatSchema = new ( { fromUser: { type: , ref: 'User', }, toUser: { type: , ref: 'User', }, type: { type: String,

I'm searching for an experienced Articulate Rise 360 professional to rectify a flaw within the navigation function of a small e-learning project. The issue presents itself with the multiple-choice block...response. Ideal Skills and Experience: - Proficient in Articulate Rise 360 - Background in e-learning module design - Superior problem-solving skills - Attention to detail to ensure navigation functionality Your task is rather straightforward but vital: - Modify the multiple-choice feature to allow more than one correct answer - Keep the overall integrity of the project intact - Ensure the fix doesn't induce any other issues in the file This is a relatively small job, but successful execution might lead to more opportunities in the future. I look forward to recei...

I am looking for a skilled freelancer who can customize and fix the navigation and BRANDS menus on my website's mobile version. On the site the BRANDS MENU and the navigation menu are not properly displayed. MENU NOT WORKING ON MOBILE ONLY I think this can be fixed with some JAVASCRIPT and some CSS in the themes but i am not sure I know that this issue happens after changing the database so it can be related but i am not an expert I need a wordpress expert to fix this issue without enabling the JS COMPOSER/WP BAKERY plugin as this causes issues. I give you 5 hours to fix this displaying problem Key Requirements: - Ability to arrange menus in a custom format - the specifics of which we'll discuss in the project's next phase. - Expertise in adjusting men...

My online crypto wallet is experiencing ...specifically with sending funds. I need a crypto expert to help me resolve this issue so I can continue transacting smoothly. Key Tasks: - Diagnose the issue: The freelancer will need to investigate the specific problem preventing my wallet from sending funds. - Implement a solution: Once the issue is identified, the freelancer will be responsible for fixing it promptly. Skills and Experience: - Proven experience with online crypto wallets, particularly in resolving transaction issues. - Strong understanding of blockchain technology and the principles of cryptocurrency transactions. - Excellent problem-solving skills to diagnose and fix the issue efficiently. - Good communication skills to keep me updated on the progress a...

I'm in need of an experienced DMX/RDM firmware engineer to help me troubleshoot and fix the RDM functionality in my current controller using ESP32. The controller is slave, will get command signal from a DMX/RDM Master to control strip led. Here's a summary of what I need done: - Troubleshooting: My current DMX code is functioning as expected, however, I'm facing challenges with the RDM protocol. I've tried debugging the issue myself, but have been unsuccessful. I need someone with a deep understanding of RDM to identify and fix the problem. The ideal candidate for this project would have: - Proficient in C/C++: My firmware for the controller is written in C/C++. It's crucial that you have strong experience in this language. - Extensive RD...

I recently moved my WordPress website to a new host using a migration plugin. However, I am encountering mixed content issues post-migration which is causing some browsers to block the site due to security concerns. I need this fixed urgently. Key Requirements: - Resolve mixed content issue - Ensure all resources are loaded securely - Ensure site remains fully functional post-fix Experience Needed: - Proven experience in WordPress website migrations and post-migration issues - Strong knowledge of security protocols and HTTPS implementation - Ability to troubleshoot mixed content issues efficiently The task is urgent so please only apply if you can start immediately and deliver in a timely manner.

Overview: We are seeking an experienced image processing specialist to develop a robust solution that can transform images of rugs on a transparent background into perfect rectangles. The rugs have wavy, squiggly edges, and some include fringes, adding complexity to the task. The goal is to standardize these images for better presentation and further processing. Responsibilities: Develop an algorithm or script using Python and OpenCV (or similar libraries) that can accurately detect the edges of rugs in images where the rugs are on a transparent background. Transform these images so that the rugs are reshaped into perfect rectangles, despite the presence of natural waves, curves, and optional fringes. Ensure that the transformation maintains the integrity and quality of the rug de...

I'm searching for an experienced JavaScript web developer to design a potent bot for an unspecified auction site. This bot will be responsible for an array of automatic duties, including: • Continuous...conclusion. • Maintaining the highest bid throughout the auction. • Instantly outbidding any other participants. • Ensuring each bid placed exceeds the previous one by a particular margin. This specific project requires a high level of proficiency in JavaScript, a keen understanding of auction dynamics, and experience in developing similar bots would be advantageous. The end-product must be efficient, error-free, and capable of handling high-stakes auction scenarios. Your contribution to this project would be invaluable in aiding my strategic positioning i...

I am in need of a MySQL expert to develop advanced queries for my database management tasks. Key Responsibilities: - Writing new queries: You'll be responsible for designing and implementing new, advanced MySQL queries. - Query Optimization: While the focus is on writing new queries, any optimization suggestions to existing queries are welcome. Ideal Skills: - Proficiency in MySQL: You should have advanced knowledge of MySQL language and its various functions. - Query Optimization: Experience in query optimization will be beneficial. This project is suitable for a MySQL developer with a proven track record in creating complex, high-performance database queries. It's important that you're able to work efficiently and effectively in order ...

I'm currently on the lookout for a specialist in COMSOL simulations, with profound understanding and experience, particularly in the field of biomedical applications of microneedles. The aim is to correct and resolve issues pertaining to the file, f...files and rectifying the errors. - Accurately simulating the microneedle's interaction with the skin. Requirements for this project: - Extensive experience with COMSOL simulation software. - Detailed knowledge in biomedical engineering, particularly microneedles. - Ability to accurately simulate physical interactions and provide relevant results. The primary outcome of this project is an error-free file that correctly simulates the microneedle and skin interaction, providing beneficial data that can further aid in biom...

I'm currently experiencing some technical problems with my PHP website. Though it functions smoothly on localhost via XAMPP, errors arise upon moving it to our server on HostGator. The desired candidate for this job has the following abilities: - Extensive knowledge in PHP and server-handling, preferably with HostGator - Experience with troubleshooting and resolving website issues - Capable of fixing server-related issues Typical problems we're facing include: - Site not functioning correctly on the server despite proper local host operation - Error messages - Performance issues This troubleshooting requires someone who can detect and fix issues from server-end to user interface. Prior experience with cases similar to ours will be a plus. Applican...

I'm currently experiencing a problem with my Shopify website where text content isn't displaying properly on collection pages and other regular pages. Both types of pages seem to be encountering the same issue. Here's what I'm looking for in the ideal candidate: - Proficient in Shopify backend and store setup - Able to troubleshoot and fix issues with content display - Excellent understanding of website coding - Experience fixing similar issues will be highly regarded The task at hand is to get all the text content displaying accurately again for an optimal user experience throughout my site. Your expertise will be crucial in restoring the full functionality of my Shopify website.

I'm currently dealing with some issues on my image processing algorithm implemented in C++. The main problem is that the line detection accuracy isn't up to par. Improvement in this area is urgently needed. Requirement Details: * Fine-tune or fix the algorithm to increase line detection accuracy. Ideal Candidate: * Expertise in C++ programming * Experienced in working with image processing algorithms * Knowledgeable in tweaking algorithms for accuracy improvements. Please note, clarity or resolution aspects were not addressed; your primary focus should concern the accuracy of line-detection. I look forward to a positive resolution with your skills.

I need an experienced professional well-versed in WordPress Elementor to perform several key tasks: - Customize my website theme to optimize user experience and improve the site's overall visual appeal. - Add new plugins and functionalities to enhance site performance and increase customer engagement. - Troubleshoot and fix any existing bugs to ensure smooth navigation and operation for the users. The overall aim is to create WordPress websites. The ideal candidate should possess advanced knowledge and experience in WordPress and Elementor, focusing on creating attractive website templates. Proficiency in troubleshooting, conducting code audits, and optimizing plugins is a must. Knowledge of SEO strategies, user experience enhancement, and e-commerce fundamentals would be a b...

I have a WordPress website that's currently facing issues with broken links. The site traffic is also not as high as we'd like. I need a professional who can help optimize the site for better search engine ranking and fix the broken links. Key Responsibilities: - Fix broken links across the website. - Conduct comprehensive on-page SEO optimization. - Improve the website's ranking on search engines. Ideal Candidate: - Proficient in WordPress. - Experienced in on-page SEO strategies. - Capable of identifying and rectifying broken links. - Prior experience in increasing website traffic through SEO.

I'm seeking a proficient Full Stack Java Developer to create a web application. Even though I haven't specified the use of certain frameworks, familiarity with Spring Boot, Hibernate, and Angular will be useful. Your primary role will focus on: - Developing a highly responsive web application from scratch. - Implementing MySQL as the preferred database management system. Candidates who have prior experience in full-stack development and database management using MySQL are highly desirable. This is a project that demands robust technical skills, so a sound understanding of various Java frameworks and web application development is essential.

Need website speed fixed on both Desktop and Mobile. SCORES MUST BE BASED ONLY ON GOOGLE LIGHTHOUSE SCORES ONLY Scores are currently ~55 Mobile and ~ 67 on PC. Need Mobile: 90+ Score Need PC: 80+ Score Load times are terrible and must be under two seconds globally on any page. Must not effect the website functionality or looks. Testing must be done on your own staging site as to not disrupt the live website. Message me for link to website. Budget $100

Looking for a very expereinced php devleoepr for multiple bug fixes

Develop a macro to fix the columns as requested on our call

I'm urgently seeking a WordPress expert to help me with my site. I'm currently experiencing error messages whenever I try to load the website. This issue is critically impacting the site's functionality, rendering it completely inaccessible. I need someone who can promptly identify and resolve the root cause of these error messages. The ideal candidate should have: - Extensive experience in troubleshooting WordPress errors - A proven track record of quickly and effectively resolving critical site issues - The ability to communicate clearly and provide updates on progress - Excellent problem-solving skills - Availability to immediately start working on the task Your efforts will help to ensure the site is back online and functioning as soon as...

I'm in immediate need of a highly skilled React Native developer with experience in PHP to urgently address and fix issues with expo-notifications in our project. We have a critical demo scheduled for 9 AM EST tomorrow. The selected developer must be able to start immediately, use a time tracker for all billed hours, and ensure the solution is fully functional by the deadline. Please apply only if you have specific expertise in React Native and PHP, and can work efficiently under tight deadlines. Direct experience with expo-notifications is a must. No inefficiencies or unnecessary complexities - straight to the point execution needed.

I'm a mid-career professional in the finance sector and ready to take my career to the next level. I'm looking for a skilled CV writer who can restructure my current resume, highlight my key achievements and enhance the overall formatting and design. Key requirements include: - Restructuring the content: I need a professional to revise my CV's content to en...design should be suitable for the finance sector. Ideal skills and experience that I'm looking for in a freelancer include: - Proven track record in rewriting and enhancing CVs, especially for mid-career professionals. - Strong understanding of the Finance industry and what recruiters in this sector are looking for. - High level of proficiency in English and attention to detail to ensure my CV is error-fr...

...visually appealing gallery to showcase my work. You should have experience with aesthetically pleasing image placements. - Booking System: An intuitive booking system is required. Experience with calendar integration, user-friendly date and time selection, and automatic confirmation messages is a must. - Contact Form: Need a professionally designed, easy-to-use contact form. Responsive design and error-free functionality are crucial. Ideal candidate: - Have excellent web design capabilities, with a strong focus on creating professional and clean layouts - Experienced in creating portfolio websites - Knowledge of the latest web functionalities and principles - Strong attention to detail with regards to layout, design and end-user experience. If you believe you're the right ...

I need a professional who can resolve a persistent issue I'm experiencing w...whitelabel account to Cloudflare. Your primary task is to troubleshoot and fix the 1014 CNAME Cross User Banned Error that repeatedly occurs during the connection. I have full access to both my Cloudflare and GoHighLevel accounts, so you can freely work on resolving the issue. The ideal candidate for this project should have: - Profound knowledge and expertise working with GoHighLevel and Cloudflare - Extensive experience in troubleshooting and resolving CNAME errors - Excellent problem-solving skills I need this issue resolved promptly to ensure seamless connectivity between my GoHighLevel whitelabel account and Cloudflare. Please only bid if you are confident in your ability to troublesho...

...that should be retrieved and displayed without significant delay, so your solutions should cater to an expansive data scale. This task requires immediate attention and I need it resolved at the earliest. Your understanding of the urgency and ability to act swiftly will greatly contribute to the success of this project. the server is using 100% CPU due to mongoDB process I need someone expert to fix it asap...

...upload our iOS app to TestFlight or make it run on a device without the need for it an account, ensure its functionality, and fix any bugs. The app interacts with a GoDaddy server, so server-side functionality must also be checked. The project must be completed within 3 days. Tasks: Upload iOS app to TestFlight for beta testing. Review codebase for any bugs or issues. Test app thoroughly on various devices and iOS versions. Fix any bugs found during testing. Verify server-side functionality with GoDaddy server. Ensure the app is ready for deployment. Requirements: Proficiency in iOS development. Experience with TestFlight and beta testing. Ability to troubleshoot and fix bugs efficiently. Familiarity with server-side interaction, specifically with GoDaddy. Timeli...

I need a skilled Java developer specializing in back-end development who can use MySQL as their database technology. The main task for the developer is to work on API development, ensuring the smooth transaction of data between the server and our end users. Ideal Skills and Experience: - Proficient in Java and backend development - Extensive experience with MySQL database technologies - Experience in API development and management

...and governance - good with tech and excited to learn a new system - is transparent and a good communicator (likes to-do lists and note-taking) - Can take feedback well and understands it's not personal it is just the standard of work required - confident and timely with tasks (does not procrastinate with scheduled work) - is honest and not afraid to ask for help or say when they are not sure / or have made a mistake (we can help you fix almost any issue) - is good with identifying mistakes and is proactive in assisting us to address them Please submit a resumè/CV and a short video submission (5 mins max) answering the following questions to add to your application?- if you would like to use your webcam + headset and even use screen share to show off ...

I'm having an issue with 2 of my Wordpress contact forms. Attempts to submit the form result in a "form submission failed" error. . Your task will be to dig into this issue and fix it so the form submissions start coming through correctly again. You'll also let me know what went wrong in the first place, and how I can prevent a similar issue in the future. I'd appreciate a prompt resolution. Happy Bidding!

As a beginner level MySQL user, I am seeking someone to sit with me (virtually) for approximately 2-3 hours to aid me in running certain MySQL commands with some provided databases. Beyond this, I need assistance in creating a new database from scratch. The session will be conducted via Zoom, and it's vital that you have the requisite MySQL software and databases already installed on your own device. My needs during the call include: - Writing MySQL commands - Understanding MySQL commands - Creating a fresh MySQL database Ideal freelancer for this task would have a strong command of MySQL and proven experience in teaching or tutoring, as well as excellent communication skills in English.

I acquired a PHP script from Codecanyon and seek a skilled developer to enhance its capabilities. The primary tasks involve implementing robust data validation mechanisms and integrating a specific condition for the calculator functionality. Project Requirements: Data Validation: Strengthen the script's data validation process to ensure accuracy and security in handling user inputs. Calculator Functionality Enhancement: Customize the existing calculator feature to include a specific condition, optimizing its performance and usability.

I'm looking for an experienced C programmer to create an IEC-104 slave application from a Modbus TCP/IP implementation done in C for Linux. This application will run on Debian and will be primarily used for monitoring and logging purposes. Key Deliverables: - Develop IEC-104 slave application - Implement monitoring and logging functionalities - Ensure seamless integration with existing Modbus TCP/IP implementation Ideal Skills and Experience: - Proficiency in C programming - Experience with Linux, particularly Debian - Prior exposure to Modbus TCP/IP and IEC-104 protocols - Strong understanding of monitoring and logging systems - Ability to deliver clean, efficient and well-documented code If you have prior experience in similar projects or have a strong back...

I will be choosing someone one hour from now. Answer me this questions: Are you available immediately? We have a demo tomorrow 9am EST What is your experience with PHP? What AI tools do you use to make your devleopment faster? Are you comfortable working hourly?

I'm looking for a talented developer to create a PHP-based webpage that generates a unique 10-digit alphanumeric code on every load. The generated codes should never replicate, regardless of how many times the page is loaded. Key Requirements: - The 10-digit codes should be a mix of letters (both uppercase and lowercase) and numbers. - The webpage should be developed using PHP. Key Considerations: - The solution you provide should ensure that the codes never repeat. Your approach in achieving this, whether it be by real-time checking, database storage, or other methods is up to you. - There is no specific requirement for the storage of the generated codes, as long as the system ensures their uniqueness. Ideal Skills: - Proficiency in PHP and web develop...

As an AMD GPU owner, I'm facing severe problems with my PC not booting correctly. Troublingly, my computer is persistently...reinstalling drivers and checking GPU seating as initial troubleshooting steps, but these have unfortunately failed to rectify the issue. The job will involve pinpointing the root cause of these issues and implementing a solution that will let my PC boot properly. Freelancers interested in this job should ideally have: - Proficiency in troubleshooting AMD GPUs. - Knowledge on different PC hardware components. - Experience in diagnosing and resolving hardware boot issues. - A good understanding of driver installation and configuration. The objective here is not just to fix the problem, but to ensure a better and consistent performance from my...

As you can see in the attached image my website (index only) I need to fix first Content paint, LCP, and speed index Only place real proposals or you will be reported

I'm looking for a Django expert skilled in website development. My project is an E-Parking solution, and although I've managed to do most of it, I need some additional features added. Primary Responsibilities: - Add features to existing E-Parking solution Ideal candidates should possess a strong background in Django and a good understanding of database management and API integration. Experience with developing E-Parking solutions or similar will be a great advantage. You should be able to understand my requirements clearly and work efficiently to implement these features to my satisfaction.

I'm seeking a proficient Excel expert who can assist me with enhancing my current study time tracker. I need the following features to be incorporated: - Auto-calculation of total study hours: I'd like for this to be automatically summed up based on the inputs provided. - Auto-calculation of average study hours per day: This should also be done automatically, providing me with a clear...freelancer, and they must be able to seamlessly integrate these additional features into it. Ideal skills for this job include: - Advanced proficiency in Excel - Experience in developing automated systems within Excel - An understanding of educational tracking and reporting Please ensure you have a strong grasp of these requirements and are able to deliver a user-friendly, efficient and accur...