Perl java inline jar filesεργασίες

Hey there! I need a contractor who has access to all the major operating systems: Windows, MacOS, and Linux. For Windows and Linux, virtual machines are acceptable. Another nuance is that you must have an ISO-format keyboard (with a large (tall) Enter key). It includes an additional key with the keycode IntlBackslash, which simply cannot be entered from another keyboard format and thus included in the configurations. The task is fairly simple but voluminous. You will need to add various keyboard layouts to the system and press all the keys in turn on a special web page, which will generate a configuration. List of languages: - English - French - German - Italian - Russian - Ukrainian - Belarusian Each language usually has several layouts in the system. You will need to enter all of th...

I am looking for a proficient software developer capable of creating a coding software that supports Python, Java, and C++. Unfortunately, I am unsure of specific features desired and the main purpose of the software at this time. This creates an opportunity for a creative software developer with experience in these programming languages. Ideal skills and experience: - Proficient in Python, Java, and C++ - Experience in creating coding softwares - Ability to suggest and implement features to enhance user experience - Creativity, problem-solving skills and an open mind to take on a project with some unspecified parameters. The key to this project will be our ability to communicate efficiently and effectively, ensuring we can continually align on my evolving vision for the s...

I'm in need of a skilled Java developer to create a new web application for my established business. If you're experienced in Java and have a solid track record of building web applications, I'd love to hear from you. Key requirements and responsibilities: - Develop a robust, user-friendly web application from scratch. - Ensure the application is scalable and secure. The ideal candidate should have: - Proven experience in Java development. - Strong understanding of web application development principles. - Ability to work independently and meet deadlines. This is a great opportunity for a Java developer to showcase their skills and contribute to a growing business.

I am seeking a qualified developer to build an online Rummy game specifically for the Android platform, equipped with a multiplayer feature: Key Game Specifications: - Multiplayer functio...Key Game Specifications: - Multiplayer functionality: The game should facilitate multiple players at the same time to mimic real-life game play. This project does not require complex graphics - a simple, user-friendly interface with basic graphic detail is sufficient. Ideal candidate skills: - Experience developing Android apps - Understanding of multiplayer game architecture - Proficiency in Java and Android SDK This is a fantastic opportunity for developers interested in card games and multiplayer game structures. I look forward to seeing your proposal and sample works of similar charac...

I have a bulk of digital files that need to be accurately transcribed into a digital format. The files are all in English, so proficiency in English is necessary for this project. Ideal skills and experience include: - Proficient in English - Fast and accurate typing skills - Experience with data entry

I need a proficient Java developer who can work effectively using Agile software development methodologies. You will primarily focus on the backend part of a software development project. Familiarity and experience with Spring Boot and Java EE are crucial. • Main task: Backend software development • Methodology: Agile • Key technologies: Spring Boot, Java EE Previous experience in similar software development projects and a strong comprehension of Agile methodologies will be the key to success. You are expected to hit the ground running, so prior hands-on experience with Spring Boot and Java EE is essential. Your strong knowledge in these technologies will guarantee the swift and efficient progression of this project.

Tengo el código empezado pero no logro subir el archivo al bucket, lo que necesito es un método que reciba como parámetro un arreglo de byte que contendrá el archivo y lo guarde en un bucket.

I'm in need of a customized Java program. I haven't decided on a specific purpose, but I'm looking for a skilled developer who can deliver a robust, well-structured program. The ideal candidate for this project should have a strong command of Java programming, as well as experience with program development for various purposes. The program may involve extensive data manipulation, network interactions, or other functionalities. Your ability to create clean, efficient code will be a big advantage. Please note that, as I haven't pinned down the exact requirements, being able to adapt and respond to shifting project needs will be crucial. Looking forward to hearing from you.

I'm in need of a profess...need of a professional who can remove FairPlay DRM from an Apple iBook and convert them to ePub format. Key Requirements: - Remove FairPlay DRM: I have only one Apple iBook that are locked by FairPlay DRM. I need these files to be stripped of this DRM while preserving the book content intact. - Conversion to ePub: The final format I require for these files is ePub. The files should maintain their original quality and formatting post conversion. Ideal Skills and Experience: - Prior experience working with FairPlay DRM removal is highly preferred - Proficiency in converting files to ePub format - Attention to detail to ensure that the book content isn't altered during the process Please reach out if you have the necessary s...

I'm looking for a professional who can set up an automatic download of mainly .csv files from FTP, SFTP, https and webscraping-login. The script should be configured to run daily/weekly at pre-defined time - configurable for each file. Requirement: Check after each download that the download has actually been downloaded. Notify user if any errors occur. Key Requirements: - Configure FTP download automation on Windows enviroment or hosted. - Schedule the download to occur at defined day/hour. - Check if download has been succesful. - Clear commented code. I only respond to bids where the bidder clearly has read the description...sorry (not really sorry, lets not waste each others time :) ) I prefer fixed price, but have entered hourly - let me know your suggestion.

I'm in need of an experienced Android developer to update our Java-based app, originally designed for Android 5 KitKat, to work seamlessly on modern tablets. Key Requirements: - Improve User Interface: The project involves enhancing the app's existing UI. - Compatibility Upgrade: The current app is only compatible with Android 5 KitKat; the developer must ensure it functions smoothly on contemporary tablets. Additional Information: - The app currently consists of 6-10 screens or activities. - A new feature will be the integration of Bluetooth connectivity. -The app controls hardware via bluetooth, sends PWMs and reads ADC values and reads/writes to an rs232 info stream

I'm looking for a skilled software developer who is proficient in Java and familiar with the DJI drone SDK. Seeking individual with HTTP and DJI SDK experience to add features to DJI Ground Control Software. The application must transmit and handle HTTP REQUEST to server, display popup messages, play notification audio, and auto-upload waypoint to a selected drone. Key requirements: - You must have experience in software development on Windows OS. - Proficiency in Java is a must. Experience with DJI drone SDK is highly preferred. - The main feature to be added to the software is automatic drone flight path planning. Key responsibilities: - Integrate the DJI drone SDK into my existing software. - Implement automatic drone flight path planning feature. This project wi...

I'm in urgent need of an illustrative logo designer, who can transform my current logo into high resolution files. This will allow me to effectively use it on tee-shirts, business cards, and even integrate it into a QR code. Key Responsibilities: - Transform the existing logo to an illustrative style - Provide high resolution files in PNG, JPEG, and other relevant formats - Create a design that's suitable for tee-shirts and business cards - Optional: Incorporate the logo into a QR code for business card usage Ideal Skills and Experience: - Proven experience in creating illustrative logos - Proficient in graphic design software for high resolution outputs - Experience in designing for tee-shirts and business cards - Ability to create innovative designs, including ...

I'm in need of a skilled and experienced games programmer to help me create a mobile game with a strategy genre. The ideal candidate for this project should have the following qualifications: - Proficiency in C++, Java, and Python, as these are the languages I'm familiar with and would like to use for this project - A proven track record in developing mobile games, with a preference for strategy games - Strong understanding of game design principles and mechanics - Ability to work collaboratively, take direction, and provide valuable insight and feedback - Excellent problem-solving skills and a keen eye for detail If you have the necessary skills and are passionate about creating engaging, high-quality mobile games, I'd love to hear from you. Please provide examples...

I need someone who can deliver me pdf, IGES and STEP files for producing my products on a CNC machine. See attached pdf as an example...

...provide a sound alert to notify me. Key Details: - The program needs to be fast to cater for frequent changes in millisecond time-frames. - I don't have a preference for a programming language. Python, Java, and C++ are all acceptable. - At this stage, I'm unsure which order flow software I'll be using. Therefore, the program needs to be built with adaptability in mind to synchronize smoothly with any potential order flow software. - A sound alert should be triggered whenever a three-digit number pops up. Ideal Skills and Experience: - Proficient in programming languages (especially Python, Java, C++) - Experience in developing real-time monitoring software - Understanding of trading platforms and order flow software - Excellent problem-solving abilities...

I'm in need of an experienced Java Script developer that can resolve a peculiar issue with my implementation. Here are the specifics: - All of the data I'm showcasing are ALL DAY events. - The events are not appearing in the Week and Day views, however, they do display as expected in the Month and List views. - I am using a version of that's not the latest. I'm looking for a professional who can: - Investigate the issue and implement a fix to ensure the ALL DAY events are correctly displayed across all views. - Offer advice on whether updating to the latest version of would help address the problem. The ideal candidate should have: - Profound experience in Java Script development. - A deep understanding of functionalities and

Looking for an android developer Java,Kotlin,JSP, Servlets, MQ series, Hibernate, Python, Microservices, Swings, WebSphere-Portals, HTML5, Bootstrap, JavaScript, Bigdata, Linux Frameworks Android Mobile App Development, Spring boot, Struts, Hadoop This will be ongoing

I'm in need of an experienced Android developer to create a productivity app that primarily focuses on calculations. Key Features: - The app will be centered around calculation functions - Users should be able to make basic arithmetic ca...of an experienced Android developer to create a productivity app that primarily focuses on calculations. Key Features: - The app will be centered around calculation functions - Users should be able to make basic arithmetic calculations - The app needs to be user-friendly and intuitive for quick calculations Ideal Skills and Experience: - Strong background in Android development, proficient in Java or Kotlin - Previous experience building productivity apps - Prior experience working with calculation functions - A good understanding of UX/UI...

I'm in need of a skilled programmer to develop a script that can serve as both a Man-in-the-Middle (MITM) and a Reverse Proxy tool. The primary goal of this script is to assis...restrictions. Key Project Requirements: - The script should be compatible with Windows, MacOS, and Linux. - It should effectively intercept network traffic and support the following network protocols: HTTP, HTTPS, and TCP. - The script should also have the capability to act as a Reverse Proxy tool when needed. Ideal Skills and Experience: - Proficiency in programming languages like Python, C++, or Java. - Experience in developing network security tools or reverse proxy systems. - Knowledge of network protocols and their interactions. Please, only bid on this project if you have the necessary skills ...

The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested, please feel free to contact us and look forward to further communication with you.

I'm searching for an experienced Android developer to work on a self-help app that...app is to track the user's progress. Key Features: - User Registration and Login: The app should incorporate a straightforward registration and login system to ensure user engagement. - In-App Purchases: It's essential that the app supports in-app purchases to enable users to access premium content or features. The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested, please feel free to contact us and look forward to furthe...

I'm seeking an Android developer with a strong grasp of Java programming, Android SDK, and UI/UX design for a straightforward project. Key Features: - The app should be capable of user authentication. Primary Goal: - The main objective is to create a basic calculative with admin approval of features and scrollong images which can be changed application. App is similar to video attached The ideal candidate will have experience in developing clean, user-friendly Android applications with a focus on accurate calculations. Experience in UI/UX design is a plus, as we aim to provide a sleek and intuitive user interface.

We are seeking a skilled developer to create a self-service car wash system that can be used on both Andr...system should allow users to easily locate nearby car wash stations, select their preferred service package, make payments, and receive notifications. The ideal candidate should have expertise in Android and iOS app development, as well as experience with GPS integration, payment gateways, and push notifications. 1. At least 2 years of experience in Android application development 2. Proficient in Java or Kotlin programming languages and Android development tools and frameworks 3. Have a certain understanding of mobile application design and user experience 4. If you have published applications for s-/--a--/--l---/-e, I am interested and look forward to further communicatio...

I desperately need to get apps, especially those available on the Google Play Store. My interests lie in a broad range of application types, including gaming, tools, lifestyle, entertainment, and news applications. All applications except finance, wallpapers. And requires a certain amount of downloads. key point: Have a certain number of downloads - The apps should be available on the Google Play Store. Make sure the source file signature file is complete. - I am particularly interested in games, tools, lifestyle, entertainment and news apps. Your role is to sell me the rights to your application. Experience using applications in these specific categories (games, tools, lifestyle, entertainment, news) will be a major advantage.

I am seeking a meticulous freelancer experienced in image data entry to input images from my existing digital files into a database system. Skills and Experience: - Comfort and familiarity with transferring images into databases - Keen attention to detail - Ability to handle a sizeable number of digital files - Expertise in working with various database systems Deliverables: - A well structured, neat, and accessible image database compiled from existing digital files. Please ensure images are correctly catalogued and easy to retrieve.

...Rest Assured to implement it in an API testing project at work. Key Requirements: - Experience in Java, BDD, Serenity framework, and Rest Assured - Able to guide and teach on: - Understanding an automation project - Creating and executing tests - Reporting - GIT Integration The project is centered around API testing, so any specific experience here is a plus. I'm looking for a patient, experienced professional who can help me grasp the fundamentals and guide me through the intricacies of implementing automation with the mentioned frameworks. There are existing scripts in place which I need to understand and also create new scripts and execute on my own. Ideal Skills: - Strong Java background - Experience in BDD - Expertise in Serenity framework and Rest As...

I'm looking for a skilled professional who can solve advanced level CTF challenges, in various categories. I need someone who can tackle challenges in Web Exploitation, Binary Exploitation, Cryptography, as well as other categories like web, forensics, osint, and more. Key Responsibilities: - Solve advanced level CTF challenges ...experience with CTF challenges - Proficiency in solving challenges in Web Exploitation, Binary Exploitation, Cryptography, web, forensics, osint, etc. - Proven track record of solving advanced level CTF challenges - An understanding of security concepts Please note that the specific programming languages or platforms to be used in solving the challenges are not specified, but your background in Python, Java, C++, Ruby, or other relevant languages ...

I'm seeking the expertise of a seasoned developer to create a customized chat f...in building similar platforms will be a significant advantage. - Media Sharing: The chat interface should be modern and dynamic, capable of handling in-message media sharing. This means users should be able to share images, videos, and other rich media content within the chat conversation seamlessly. If you've designed such interfaces before, you're the person I'm looking for! Skills such as Java, Python, or PHP are desirable. Exceptional knowledge of web sockets is a must for real-time chat functionalities. An understanding of user experience is also essential, as the platform must be user-friendly. I'm open to suggestions on how to make this project a success, experience i...

I'm seeking assistance with an urgent issue that's emerged with my softphone engine. - **Operating System**: My system is running on Windows. - **Programmin...issue that's emerged with my softphone engine. - **Operating System**: My system is running on Windows. - **Programming Language**: Unfortunately, the programming language of my softphone engine has been omitted. I believe it may be C#, Java, or C++. It's imperative that the freelancer is comfortable with these languages to handle the issue. - **Timeline**: I'm in need of immediate assistance to solve this problem. Ideal candidates should be able to troubleshoot softphone issues and have experience with Windows software development. Experience with C#, Java, and C++ is a plus. The ability to...

...including ID cards, receipts, invoices, paper, and passport photos, and saving them in JPEG format. As such, the app should be able to: - Recognize and accurately scan ID cards, receipts, invoices, paper, and passport photos - Provide a seamless and user-friendly experience for scanning documents - Showing Auto or Manual Edge Cropping, Image Rotation - Using OpenCV - Native Android (Android Studio), Java I would like the app to be specifically tailored for Android, ensuring a smooth user experience and a clean, intuitive interface. Ideal Skills and Experience: - Proficiency in Android development - Experience in developing document scanning apps - Familiarity with image recognition and processing - Ability to create a simple and user-friendly interface - Knowledge of saving...

I have a source code for android video streaming app in java, xml, and i need to change the design of the app frontend I am looking for someone who can make changes to android app code design and recreate the frontend. below i have attached the design of my app, and want to reformat it according to zee5 app design. If you feel its a good fit for you, i welcome your bid. thanks.

Overview: We are looking for an experienced Java developer to refactor an existing code base to incorporate several design patterns and improve overall code quality. This project involves enhancing the structure and maintainability of the code by integrating various design patterns, such as Dependency Injection (DI) using Google Guice, Listener, Builder, Singleton, and, optionally, Factory design patterns. The ideal candidate should understand these patterns strongly and have experience refactoring legacy code. Key Responsibilities: 1. Refactor Service Classes with DI Pattern: - Utilize Google Guice API to implement Dependency Injection across all service classes. - Ensure that all dependencies are injected and managed by the Guice framework. 2. Apply Listener Design Pattern...

I'm in need of a professional who can handle CAD data files specifically from software like Geomagic, NX, etc. The task at hand is moderate to minor retouching focusing on: - Correcting missing or overlapping geometry - Fixing misaligned surfaces The ideal freelancer must be adept in precise alteration work without changing the overall structure of the model. The ability to understand complex geometries is key and should have proficient knowledge in Geomagic and NX software for effective results. The project demands a meticulous eye for detail and superior CAD software skills.

Hello, I upload my SVG logo on my Wordpress website. I need someone that knows how to work with SVG & code, because he need to resize it to make it inline with the header. (in I think)

...experienced Java developer who can integrate a cloud-based database into my project. Ideal Skills: - Strong proficiency in Java - Prior experience with database integration - Specifically, experience with cloud-based databases, Microsoft Azure in particular, is a big plus The Project: - Your primary task will be to integrate Microsoft Azure, a cloud-based database, into an existing Java project. - The project already has a well-defined structure and the database will serve as a key component. - The database integration should be secure, efficient, and scalable, meeting the highest standards. - There will be no need for user authentication or API integration, as this project is solely focused on database integration. Please only apply if you have good experienc...

I'm requiring a proficient Java developer for a college project. The main task will be building a web application along with database integration. I'll need you to implement vital functionalities, such as: - A user registration panel - A user login page - Fee structure - Contact us section - Admin as well as user registration option - Subjects and courses - Basic website navigation functions For the front end, HTML and CSS skills are necessary to render a clean and minimalist design. It's vital you're experienced in these domains and can provide examples of your past work. Looking forward to your proposals.

...have 2 chapters to finish. in those 2 chapters i need your help on coding. my subject being the digitization of the conversation between a person with hearing loss and a doctor. my desire from you is to program my java application itself as long as you can, it doesn't have to be complete finished. the application has the idea of ​​how you enter it, it puts you in a picture interface, the deaf-mute person does his sign language, and the translation appears below. if you can help me with explanations and about which package to buy from you that would be perfect, thanks! 1) Set up the Java project and the necessary libraries for computer vision and machine learning. 2) Capture video input from a camera. 3) Pre-process the video frames to enhance th quality and reduce no...

I'm in need of an Android developer with experience in Java and Kotlin who can handle issues with fingerprint scanner devices like Futronics FS80H and Mantra MFS100 on Android 14. Key Responsibilities: - Diagnose and resolve compatibility issues with the latest Android 14 version. - Ensure the scanner can correctly detect fingerprints. - Ensure the scanner is responsive and functions as expected. Ideal candidates should have: - Proven experience working with fingerprint scanner devices. - Expertise in Java and Kotlin for Android development. - Strong knowledge of Android 14 and its compatibility requirements. - A track record of troubleshooting and resolving technical issues. This is an urgent project, and I'm seeking someone who can deliver results promptly and ...

We are seeking an experienced full stack developer proficient in Angular, Typescript, Java, and Spring to join our team for an exciting HR Tech project. This project aims to streamline the onboarding process for candidates while enhancing the efficiency of recruitment for companies. Key Features: 1. Onboarding Process: The platform will feature a comprehensive onboarding process for candidates, designed to facilitate a smooth transition into their new roles. This process will consist of four main steps: - Technical Quiz: Candidates will undergo a technical quiz to assess their domain-specific knowledge and skills. - Audio Recording: Candidates will be prompted to record audio responses to predetermined questions, allowing recruiters to gauge communication skills and confidence. -...

I'm in search of a skilled automation tester who has ample experience with Java. My project involves developing a new module that requires comprehensive functional testing. Use Frame work is POM Key Responsibilities: - Implement, design, and create functional test automation frameworks with Java - Thoroughly perform functional testing on new modules Ideal Skills and Experience: - Proficient in Java - Extensive experience in functional testing - Familiarity with Selenium Preference will be given to those who can demonstrate specific experience with using Selenium for automation testing in Java. Remember, quality is crucial. I'm not looking for rushed testing, but a methodical and precise approach. Get in touch. link of implementation :

I need an experienced data entry freelancer to transcribe a medium amount of data from different digital files, including text and numbers. Ideal Skills: - Proficient in data entry - Detail-oriented - Familiarity with spreadsheet software Experience: - Proven track record in data entry - Experience transcribing from digital sources Please let me know if you are able to take on this project and your relevant experience.

I'm looking to expand my current portfolio and am interested in purchasing Java-based apps that are already on the Google Play Store. The types of apps I'm particularly involved in include games, utilities, and productivity software. - Types of Apps: Games, Utilities, Productivity - Type of Purchase: Both Individual apps and app bundles are welcomed. - Programming Language: Java-based apps only. For this project, an ideal freelancer would be proficient in app development using Java and has direct experience in uploading and maintaining apps on the Google Play Store. Any freelancers who already have ready-apps that meet the criteria would be preferred. Please include screenshots or links to your app/s available on the Play Store, along with your bid. Let&...

I'm in need of a data professional to assist with migrating my e-commerce website files and data from an existing shared hosting server to a new, SSL secured server. Key Project Details: - The primary purpose of my website is e-commerce, so experience with handling e-commerce data is crucial. - I currently use shared hosting and will be moving to a new, SSL secured server. - Full support for SSL certificate installation will be required on the new server. Ideal Skills and Experience: - Proven experience with migrating data and files from shared hosting servers to new, secure servers. - Expertise in handling e-commerce data is a big plus. - Experience with SSL certificate installation, especially in an e-commerce context. - Attention to detail and commitment to ensuri...

...desarrollador con experiencia en Java 8 y Tomcat 7, que sea competente en el desarrollo de aplicaciones web, particularmente usando GWT Framework. Su principal responsabilidad será migrar un proyecto existente a Azure o un servidor privado virtual (VPS a definir).

Alcance de las tareas: 1. Implementar la aplicación web Java: - Manejar la configuración completa en el entorno del servidor VPS o Azure. 2. Competente con GWT Framework: - Nuestra aplicación está construida sobre el framework GWT. Un conocimiento profundo de esta tecnología es esencial para una implementación exitosa. Habilidades y experiencia ideales para este trabajo: - Sólida experiencia en desarrollo de aplicaciones web Java 8 y GWT. - Ampli...

NOTE : this is for futures .. max budget is $300 *** please submit, only if you have worked on BOT projects for crypto exchange*** I'm seeking a skilled developer to create an automated trading system that can...require seamless integration with the MEXC platform. Skills and Experience Required: - Strong knowledge of algorithmic trading and cryptocurrency markets - Proficiency in building automated trading systems, particularly on the MEXC platform - Experience in developing and implementing trading strategies - Understanding of real-time market data analysis - Proficiency in coding languages such as Python, Java, or C++ Please only apply if you have a proven track record in building similar systems and are able to deliver a reliable and effective trading bot for the MEXC ...

I'm looking for a skilled and experienced freelancer to help me with a mobile app project that comprises both UI/UX design and Java Backend development. Key Requirements: - Proficient in UI Design: You'll need to create a sleek, intuitive, and user-friendly interface for a mobile platform. - Java Backend Development: The app needs to have a robust and efficient Java backend that can handle the expected load and ensure seamless functionality. - Mobile Platform Experience: You should be well-versed in mobile app development, ensuring the final product is optimized for mobile use. Specific Features: - User Authentication: The app will need a secure and reliable user authentication system. - In-App Purchases: You'll need to implement an in-app purchase sy...

I'm looking for an experienced Android developer to create an app that focuses on e-commerce and product management. Key Features: - Social Media I...that focuses on e-commerce and product management. Key Features: - Social Media Integration: The app needs to connect seamlessly with social media platforms. User Authentication: - The app should have a user authentication system. Users should be able to log in or sign up through their social media accounts. And google account Ideal Skills and Experience: - Proficient in Android development (java) - Experienced in integrating social media APIs. - Familiar with user authentication systems, especially social media login. google login Please include samples of your past work that demonstrate your experience with similar projec...

I'm in search of talented coders with a passion, education (may be self or collage etc.) with expertise in Python, Java, and C++ to help me develop a new software application for Windows. Key Project Details: - Programming Languages: Proficiency in Python, Java, and HTML is essential for this role. Your role will involve: - Working on the software development process from conception to final testing and deployment. - Ensuring that the application is optimized for all users and clients, considering the specific requirements and features of this platform. Ideal Skills and Experience: - Strong programming skills in Python, Java, and C++. - Proficiency in developing software applications for Windows. - Experience in creating software from scratch. Looking forward ...

I am working on a compiler construction project using ANTLR4+Java (using visitors to walk the abstract syntax tree and visit key nodes), and I need help with semantic analysis.