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Your task is to design automated solvers for the shift and Vigen`ere ciphers. You must use C as the underlying programming language, in order to get prepared for the following assignments. Each solver should be completely automated, i.e., upon reading a text file containing the target ciphertext (given as command-line argument), it should print the encryption key and the decrypted plaintext without any user interaction. Test your code on the following ciphertexts, and answer these questions: (a) What is the key of the cipher? (b) What is the decrypted plaintext? Ciphertext 1 (shift cipher) ODKBFAXASKBDQEQZFEMPURRUOGXFKZAFRAGZPUZZADYMXMOMPQYUOPUEOUBXUZQEFTQZQQPRADFTQBDABQDUZFQDM OFUAZARODKBFASDMBTKMZPODKBFMZMXKEUEFTUEMDUEQEAGFARFTQRMOFFTMFUZFTQMNEQZOQARDQMXOAYYGZUOMF UAZEDQCGUDQYQZ...

Java programming on arrays ..........

Need project on Java Programming No Plagiarism

Java programming

Need java project No plagarism Deadline-23 may 2015

Java Programming

Java programming

Java OOP programming

Java OOP programming

Java API programming

Java programming project

...External Design, Context & Information Provided I want to be clear that the external architectural appearance is already defined. I am attaching a reference image that shows exactly the form, proportions, arches, roof/parapet expression, and overall aesthetic I am seeking, and the pavilion should closely match this externally except that the red brick should be replaced by k11 petersen tegl white linear bricks I am also sharing: • A site plan showing where the padel court will be located within the garden, including the orientation, which is north-east (NE) facing • Images showing how the padel court is intended to look within the landscape and how the garden room should look (note there should be a side door which is also arched that you access from steps For...

...curve. I can set aside two paid hours every workday for live, screen-shared sessions where you guide me through the actual tasks I’m handling at the office. My immediate focus is on AgenticAi and GenAi as well as Programming and coding, all in Python. Most of the problems revolve around making agentic tools and doing the coding product, then pushing them into production-ready scripts or notebooks. Help me structure features, debug loops, and explain best practices as we go. Typical session flow • A quick review of the day’s project goal (shared repo or notebook) • Pair-programming or walkthrough while I implement the next milestone • Recap with actionable homework and resource pointers I learn fastest when you: • Think out loud so...

...websites and messaging apps. Features Natural Language Processing (NLP) for human-like responses. Trainable on company FAQs and knowledge base. Multilingual support (for example, English and Hindi). Escalation to a human agent when AI cannot answer. Deployment on Website, WhatsApp, and Telegram. Analytics dashboard to monitor chats and performance. Tools and Technologies Python (Core Programming Language) Flask or FastAPI (Backend Development) HTML, CSS, JavaScript (Frontend for website integration) NLTK, spaCy, or OpenAI API (NLP capabilities) MongoDB or Firebase (Database for chat history) Twilio API or WhatsApp Business API (Messaging integration) Deliverables Fully functional AI chatbot trained with client data. A demo website with an embedded chatbot widget....

I need help building a working prototype of a small interactive toy. The prototype requires: A pop-up mechanism (using solenoids, springs, and/or small motors). Integration with Raspberry Pi or Arduino for control. Wiring/programming to operate the mechanism. A simple phone/web app to trigger the toy remotely. Requirements: Experience with mechanical design and prototyping. Hands-on skills with Raspberry Pi/Arduino electronics. Must show past project work (photos, CAD, or GitHub). Deliverable: A working physical prototype (not just design files) that demonstrates the pop-up mechanism controlled by Raspberry Pi/Arduino. Budget: Budget will be discussed based on scope and experience. Please provide: What’s your estimated cost? How did you arrive at that number (mate...

...fusion of: • Hardcore / dark sci-fi • Strong, aggressive, industrial feeling • Futuristic, almost dystopian • Clean but powerful line work AND • Retro-futurism (80s / Blade Runner influence) • Vintage sci-fi aesthetics • Subtle retro details (not cheesy, not cartoon) • Timeless, cinematic vibe Overall feeling: premium, serious, underground, athletic, futuristic. Design characteristics: • Linear / line-based illustration • Bold geometry and structure • Minimalistic but impactful • Not illustrative in a “comic” way • No stock graphics Print placement & scale: • Back of the T-shirt only • Design should cover almost the entire back (full-back print) • Vertical or center...

US Based USB Microphone Manufacture is looking for a USB software engineer that is capable of programming the C-Media Chip CM-6535 for Audio and HID functions. We are looking to update our existing software and add additional functions and bring our products up to date. Our company is constantly improving our existing products and adding new ones so we would be looking for a long term relationship. Must be able to demonstrate the ability to modify existing code and provide additional functions as maybe requested by us. We will provide all schematics, existing code and actual development Boards and a Functional Scope of Work. We have a fair budget in mind so we view this as an ongoing lucrative opportunity for the selected candidate.

I need a skilled programmer to create G-code for the Haas UMC 500 andHass St-35Y. This is an urgent requirement, and I'm looking to get started ASAP. Ideal candidates should have: - Proven experience with Haas UMC 500 and ST-35Y machines. - Expertise in G-code programming including tool selection. - Ability to work quickly and efficiently Please include past work in your application.

Hello, I own an educational academy platform dedicated to teaching programming. The platform includes multiple integrated systems, such as: Online courses Challenges and quizzes Competitive online challenges between students A comprehensive admin dashboard for full platform management The platform has been fully developed from a technical perspective, and I am now seeking a professional UI/UX designer to design modern, engaging, and user-focused interfaces for all control panels and user-facing areas. Scope of Work Student & Instructor Dashboards Student Dashboard A non-classic, non-traditional dashboard. I do not want a typical, boring dashboard like standard LMS platforms. The student dashboard should be highly interactive, immersive, and engaging. The goal is for ...

An outsourcing company in Egypt is Hiring: Lead Generation Specialist – Saudi Arabia Market (Organic Leads Only) We are looking for a Lead Generation Specialist to support a KSA-based account offering programming courses for kids. Please note: This role focuses on organic lead generation only (No paid ads / media buying). Responsibilities: • Generate high-quality leads interested in kids’ programming & tech courses • Target parents in the Saudi market using organic methods (social media outreach, communities, partnerships, etc.) • Collect and qualify leads (forms, WhatsApp, CRM, etc.) • Coordinate with the sales team to ensure lead quality • Meet daily/weekly lead targets Requirements: • Proven experience in organic ...

...clearances, fluid and media pathways, nozzle placements, pumps, motors, wiring raceways, and standard safety guards must be built in What I expect to open • A master assembly file for each machine that lets me pull an exploded view, isolate sub-assemblies, and verify fit • Detailed part drawings that carry dimensions, tolerances, and material callouts ready for CNC, laser, or water-jet programming • A concise BOM exported from the CAD model so procurement can begin immediately Acceptance I’ll load the DWG assemblies in AutoCAD Mechanical: all constraints must resolve, mating faces must align without interference, and part quantities in the BOM must match the exploded views. Once those checks pass, the milestone is approved. If you routinely eng...

I need a partner who can walk me through the full process of quantifying and explaining feature importance across several classic models—specifically Linear Regression, Decision Trees and Support Vector Machines—using Python. The goal is to compare and contrast interpretability techniques such as SHAP, LIME, PDP and ICE, then package the findings so that non-technical stakeholders can easily understand why each feature matters. What I expect from you • Well-structured, reproducible Python code (preferably in Jupyter notebooks) showing how each model is trained and how the above interpretability methods are applied. • Clear visualisations and narratives that highlight where and why the different methods agree or diverge. • At least one live session (...

There and 2 bottons on the device. I want to control the speed of stepper motor with it, and a DC motor with it. I want to connect a fewrelays to it , and switch on and off some 240 volt industiural machines. This is for learning process.I want someone to teach me how to do this in XOD software. Datasheet: User guide: Test Program:

Programming Project Extraction

...System Protocol event processing (heartbeat, data reports, status updates) Device status tracking (connected/disconnected, last seen) Event history storage and retrieval Real-time event broadcasting for frontend integration Technical Requirements Must Have Skills: - Node.js & TypeScript (advanced level) - Binary protocol implementation (hex, byte manipulation, packet parsing) - UDP/Socket programming with multi-port handling - Protocol documentation analysis (ability to implement from specifications) - REST API development - Telecommunications protocol experience or strong learning ability Strongly Preferred: - Telecommunications protocols (GSM, WCDMA, 3G knowledge) - Binary serialization and network protocol implementation - Real-time systems development - Event-driven...

...System Protocol event processing (heartbeat, data reports, status updates) Device status tracking (connected/disconnected, last seen) Event history storage and retrieval Real-time event broadcasting for frontend integration Technical Requirements Must Have Skills: - Node.js & TypeScript (advanced level) - Binary protocol implementation (hex, byte manipulation, packet parsing) - UDP/Socket programming with multi-port handling - Protocol documentation analysis (ability to implement from specifications) - REST API development - Telecommunications protocol experience or strong learning ability Strongly Preferred: - Telecommunications protocols (GSM, WCDMA, 3G knowledge) - Binary serialization and network protocol implementation - Real-time systems development - Event-drive...

I need an actionable, zero-fluff guide that lets me start earning money today through freelance jobs. My strongest skill is Programming, and I can also handle Translating Documents. Here’s what I expect from you: • A step-by-step plan I can execute immediately—no complicated setup, no long learning curves. • At least three real freelance tasks or platforms where small programming fixes, script tweaks, or rapid translation jobs get funded the same day. • Exact signup links and the quickest profile-optimization tips so I stand out fast. • Ready-to-use proposal templates tailored to both quick coding gigs and document translation offers. • Insider pointers for passing any initial tests or client screenings without hassle. &bull...

I need a producer to compose an original, rights-cleared song that feels chilled yet “a bit sad.” Picture the cozy nostalgia of lofi, but give it deeper harmonic movement, evolving layers, and more intricate drum programming so it never drifts into background noise. Key vibe • Bit sad, leaning toward a melancholic but still soothing atmosphere. • No rush on tempo; I’m open as long as the groove stays laid-back. Sound palette I’m flexible on instrumentation. Piano, guitar, synths, or any tasteful blend that supports the mood will work—just keep the textures warm and organic rather than glossy EDM. Deliverables 1. Full-length track (2.5–3.5 min) in WAV + high-quality MP3. 2. Individual stems and project file for any DAW you ...

I need assistance with a Jamovi assignment that involves linear regression analysis on mixed data (numerical and categorical). The primary goal is to understand relationships between variables. Key Requirements: - Use of Jamovi for analysis - Linear regression on mixed data - Focus on understanding variable relationships Ideal Skills and Experience: - Proficiency in Jamovi - Strong background in statistics, particularly linear regression - Experience with data analysis and interpretation Please provide a detailed bid including your experience with similar projects.

...Boot Behavior Rules (strict) If pending metadata exists → validate → trial boot → require confirm → rollback on failure. If no metadata exists → boot Slot A. Boot stub never invents metadata and never guesses intent. STM32 Application Responsibilities (Update Service) Receives firmware chunks from Blynk/NCP Writes firmware to inactive slot only Handles: correct STM32H7 erase strategy correct programming granularity CRC32 verification (min), signature hook (preferred) Commits OTA metadata Reboots into trial Confirms firmware after successful first boot Blynk OTA Integration Blynk/NCP provides a reliable binary streaming path from cloud → device. Required abstract primitives: OTA_BEGIN(size, fw_build, crc32[, sha256]) OTA_CHUNK(offset, data) OTA_END OT...

I'm looking for an experienced developer to create an algorithmic trading application for the stock market, specifically using trend following strategies. The application needs to connect with NSE. Key Requirements: - Develop trend following trad...connect with NSE. Key Requirements: - Develop trend following trading algorithms - Integrate application with NSE - Ensure real-time data processing and analytics - Implement risk management features Ideal Skills and Experience: - Strong background in algorithmic trading - Proficiency in financial markets, especially equities - Experience with NSE APIs and trading platforms - Expertise in programming (Python, Java, etc.) - Solid understanding of risk management and trading strategies Please provide relevant experience and example...

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...some fairly basic geometric and mathematic calculations will need to be further applied (will be provided). And a corrected, final rotation point location as calculated will be the result, graphically and mathematically displayed by the application for a user. I will need to test and work with any efforts on my (Windows) desktop. Desktop and web versions are minimally planned for now. So a programming language(s) that could work effectively for both would be helpful. I think R and Python were mostly tried previously, with various pluses and minuses about each. I am open to any other language(s) as well. Added descriptions needed for both the video tracking and solution aspects to accomplish functional success are much more thoroughly detailed in separate documentation. It inclu...

...databases, and external services Maintain version control using Git and follow agile development practices Collaborate with cross-functional teams to plan, estimate, and deliver features on time Ensure application security, data protection, and best coding practices Required Skills & Qualifications: Bachelor’s degree in Computer Science, IT, or equivalent experience Strong understanding of programming fundamentals and software development lifecycle Experience with HTML, CSS, JavaScript, and at least one backend language Familiarity with databases such as MySQL, PostgreSQL, or MongoDB Knowledge of RESTful APIs and MVC architecture Experience with frameworks (e.g., React, Angular, Laravel, Django, or Spring) Strong problem-solving and analytical skills Ability ...

...driver IC • 2 PWM GPIO pins for servo motors • 2 GPIO pins for ultrasonic sensor (TRIG, ECHO) • 2 GPIO pins for I2C bus (shared for LED matrix driver and OLED display) • Minimum 8 additional free GPIO pins for external sensors/modules Display Interface: • LED Matrix controlled through I2C driver IC • Optional OLED display on same I2C bus (shared SDA/SCL) Communication & Programming: • USB to UART (CP2102 or CH340) for programming • I2C header exposed for external modules Power System: • 5V input via USB and/or external source • Onboard voltage regulator converting 5V to 3.3V for ESP32 • Multiple 5V output pins for motors/servos • Multiple 3.3V output pins for sensors • Multiple GND pins (common ground ...

I'm looking for an experienced hardware engineer to design an educational robotics board based on the ESP-WROOM-32. This board is intended for prototyping and development and should feature: - 8 motor pins for DC motors - 2 servo PWM pins - Ultrasonic TRIG/ECHO pins - LED matrix control via I2C, capable of animations - Optional OLED display on the same I2C bus - 8 additional GPIO pins - USB programming interface - 5V input with 3.3V regulator - Multiple 5V, 3.3V, and GND pins Ideal skills and experience: - Proficiency with ESP32/ESP-WROOM-32 - Strong background in circuit design and embedded systems - Experience with I2C communication and motor control - Knowledge of power regulation and GPIO interfacing - Familiarity with designing for educational/prototyping applications P...

Project Brief: Stealth-Modified Automatic Pa...functionality must be fully automatic. No user interaction should be needed after parking. • No visible alterations (e.g., wires, unusual controls, abnormal movement patterns). • Power should remain efficient — preferably still battery-powered or with a hidden upgrade that doesn’t draw attention. Ideal Freelancer Profile: I’m looking for someone with experience in electronics, microcontroller programming (e.g., Arduino), or embedded systems. Ideally, you’ve worked with consumer electronics, automotive modifications, or smart devices before. Both functionality and stealth are equally important for this project. ⸻ Let me know if you have questions or need specific details (such as device models). Loo...

I need an estimator to review the floor plans and pull the partition wall-length measurement in linear feet, translate those figures into drywall square-footage requirements, and prepare a material take-off for that scope. I’ll need the framing of the partitions and the drywall. Those are the two scopes, framing and hanging drywall only. This does not include any drywall finishing. That will be completed by others. I will send the PDF plans as soon as we agree to proceed. Please use any professional takeoff software you are comfortable with—Bluebeam Revu, PlanSwift, On-Screen Takeoff, or a comparable tool is fine—so long as the numbers reconcile against the architectural sheets. Deliverables: • total wall lengths (LF) referenced to sheet and detail. •...

...destabilisation together with the competing influence of substrate steepness. What I now require is independent validation and controlled extension of these results, rather than a re-derivation of the theory or preparation of a full LaTeX manuscript. Using the specific evolution equations, travelling-wave reductions, and weakly nonlinear formulations provided in the paper, you would: • reproduce the linear and weakly nonlinear stability results and verify the instability thresholds and growth rates; • implement a numerical solver (pseudospectral or high-order finite difference) solely to generate figures directly from the given equations and parameter values; • confirm the Marangoni-induced destabilisation and the dual stabilising/destabilising role of substrate...

...heated incline. Long-wave theory has already shown that Marangoni stresses, together with the local steepness of the substrate, can destabilise the flow and generate finite-amplitude waves. What I need now is a clean, step-by-step mathematical treatment of the problem that can stand on its own in a journal appendix. The scope includes the full hierarchy: leading-order long-wave formulation, linear stability analysis, and a weakly nonlinear expansion up to the first amplitude equation that captures secondary instabilities. Please derive every governing equation, nondimensionalise where appropriate, and state all assumptions explicitly so that another researcher can reproduce the work without referring back to me. Illustrative sketches or dispersion-relation plots are welcom...

...spirit of an existing game I admire yet introduces my own twists in mechanics, lore and visual style. I want to hand the full production pipeline to a capable developer or small studio while I focus on funding and publishing. Scope • Translate my written notes and reference videos into a concise Game Design Document. • Build the entire PC version—from prototype to gold master—including programming, 3D/2D art, animation, audio, UI, and basic QA. • Implement core action systems (movement, combat and enemy AI) that feel tight, responsive and fun. • Provide regular playable builds so I can review features and give creative feedback. • Package a final Steam-ready build plus source, asset files and any necessary third-party licences. Acc...

Im looking for a skilled and experienced PLC and HMI designer to assist with a project I have to deliver. The ass...candidate would need to have strong photoshop, inkscape or alternative skills to produce images, and SVGs for the various graphical elements/icons/buttons and backgrounds. The theme of the HMI interface for the PLC will be a minimalistic industrial style with a medium brightness color palette (Not dark or not light, in between). Knowledge of PLC programming and Javascript would be advantageous but not essential (As I will be doing the PLC programming on the Omron NJ series PLC). *** I ONLY WILL CONSIDER DESIGNERS WITH INDUSTRIAL AUTOMATION BACKGROUND, SORRY. PURE WEB AND MOBILE APP DEVELOPERS WILL NOT BE CONSIDERED WITHOUT INDUSTRIAL AUTOMATION HMI EXPERIENC...

I run a growing personal-training account on Instagram and film quick, vertical lessons on exercise form, mobility, and simple programming tips as well as client testimonials. I need those raw clips shaped into Reels that look sharp, stay on brand, and teach clearly—think crisp cuts plus on-screen text and light graphics that highlight the coaching cues. Every edit should: • keep the pace tight (usually under 60 seconds), • layer concise text overlays and arrows or call-outs where they add clarity, • burn in captions so the clip works muted, and • export to 1080 × 1920 MP4 ready for upload. We’ll start with a single video; I’ll supply footage via Drive and would like the finished file back within 48 hours. If the first round clic...

... Key Requirements: - Modify NV data in the firmware to suit the new chipset (likely running on LWTG) and adapt this file for US band compatibility. - Ensure the firmware can be flashed easily to multiple phones and that a complete backup source file is provided. - Conduct thorough compatibility testing for the firmware. Ideal Skills and Experience: - Strong background in RF engineering and programming. - Expertise with MTK chipsets and NV data modifications. - Experience in firmware adaptation for telecommunications devices. - Knowledge of digital signal protocols, processing techniques, and U.S.-specific band requirements. Please provide examples of similar projects you’ve completed. here is a link to the full chinese firmware that will need modification if anyone wants...

...ready to be welded—but the drawings still lack the critical information the shop needs. Your task is to open my existing .sldprt/.sldasm/.slddrw files and clearly call out both the exact anchor positions and the precise weld angles of the sheet metal parts for the shock anchors and all wishbones anchors. As well as the engine mount anchor points.. What I expect from the updated drawings: • Linear dimensions that locate every flange along each tube, taken from clear, repeatable datums (tube ends or centerlines). • Angular dimensions that show the required rotation of each flange so the welding jig can be set without guesswork. • Clean, uncluttered annotation following standard ANSI Y14.5 or ISO practices, with no dangling or reference-only dimensions. ...

I need a Windows-based desktop application for Tatkal ticket booking. The software shou...ticket availability, and a user management feature to handle multiple user profiles. Essential Requirements: - Booking System: Secure and fast ticket booking interface. - Notification System: Real-time alerts for ticket availability. - User Management: Admin features to manage user profiles. Ideal Skills and Experience: - Experience in developing Windows desktop applications. - Proficiency in programming languages suitable for Windows (e.g., C#, .NET). - Knowledge of secure transaction handling. - Experience with notification systems (e.g., push notifications, email alerts). - Strong background in user interface design for desktop applications. Please provide past work samples and estimated ...

... • Deep-dive guidance on Angular best practices—architecture, performance tuning, and the new Signals mindset. • Hands-on state-management help with NGXS: refin­ing existing stores, adding selectors, and structuring large-scale feature modules. • Advanced Reactive Forms and mixin patterns that keep complex UIs maintainable and testable. • Real-time feedback: one-on-one sessions, pair-programming on challenging tasks, and detailed code reviews that highlight improvement points rather than just pointing out errors. How we’ll work We can meet over video (I’m flexible on tools) and screen-share the current codebase. Between sessions, you can leave annotated pull-request comments so I can absorb lessons asynchronously. I value clear ...

I’m building a wearable exoskeleton and need a dedicated PCB that brings all core electron...signal integrity, and robust grounding. 3. Generation of manufacturing deliverables: Gerber files, assembly drawings, pick-and-place files, and a complete BOM. 4. Design review iteration to address any EMI/EMC or routing feedback before final release. Key preferences • Clean separation between high-current motor lines and sensitive IMU traces. • Reliable JTAG access for in-system programming and debugging. • Power tree that leverages the DC-DC converter and LDO for low-noise analog rails. If you’ve delivered compact boards for motion-sensing wearables or robotics, your experience will be invaluable. Please outline relevant past work and your preferr...

I'm looking for solutions to 3 combinatorial optimization problems. The solutions should be provided in the form of source code along with detailed explanations. Ideal skills and experience: - Strong background in combinatorial optimization - Proficiency in relevant programming languages (C++) - Experience with exact algorithms, heuristic methods, or machine learning techniques - Ability to write clear and concise documentation