Net file upload progress bar user control trabalhos

...develop the following functionalities: - Implement wireless communication capabilities on the Arduino system. - Integrate both analog sensor input and digital output control on the same Esp32. - Subsequently, the system must be designed to read and store 4 diverse coin denominations. Storage and Processing of Data: - Experience working with Arduino internal non-volatile memory is crucial, as this is the preferred method of storing denomination data. Key Skills: - Arduino ESP32 proficiency - Understanding of wireless communication - Expertise in internal non-volatile memory systems - Ability in sensor input and digital output control - Experience in handling multiple currency denominations This is quite a specialized project, and a successful outcome will require someo...

I have an Excel file which have some scripting and data to connect to Oracle Database and download some log files and parse them into Excel Sheets. Also it parse the files looking for values and interpret those values in plain English ( read from a sheet) . i need to convert that Excel VBA to create a website using Microsoft IIS on my machine and be able to add more data to parse the files for more interpretations( reading the hex codes and display a new output with the hex code highlighted and next to it the English meaning of those codes.

I'm actively seeking a well-experienced specialist to convert my InDesign file to PowerPoint or Word whilst maintaining high-quality imagery and text content. Key Tasks: - Use your expertise to convert an InDesign file that contains both text and imagery to PowerPoint or Word for editing purposes. - Utilize your creativity to provide recommendations for the design and formatting of the PowerPoint or Word document based on the original InDesign layout. Ideal Skills and Experience: - Proven experience in InDesign, PowerPoint and Word - Strong knowledge of design principles and aesthetic awareness - Excellent attention to detail - Ability to make high-end recommendations on design and layout application - Excellent problem-solving skills - An understanding of optimal fo...

...target profit margin per product needs to be ideally more than 10% however, we can discuss this further. Ideal Candidate: - Experience: Previous experience sourcing products on Amazon UK and a good understanding of the marketplace is needed. - Analytical Skills: The ability to analyse products based on their potential profitability and market demand. - Communication: Regular communication on the progress of the sourcing is crucial. You will need to be fully trained and experienced with whichever software is needed Need to have good communication & English Whatsapp available Hard work and looking for long-term relationship on full time/higher wage basis Products need to have good margins Low MOQ and low-cost This project will involve continuous collaboration and the potenti...

Modify existing condition after button clicked. Add a column to the table to store upload and API

Pre-Purchase Vehicle Inspection Center Platform Development Project Overview: We are seeking a qualified developer or development team to design and build a user-friendly, web-based platform for our pre-purchase vehicle inspection center. This platform will automate key workflows, improve the customer experience, and strengthen our data management capabilities. Project Goals: - Streamlined Inspection Process: Automate scheduling, appointment management, and task assignment for inspectors, optimizing workflow efficiency. - Enhanced Customer Experience: Provide a user-friendly interface for customers to book inspections, track progress in real-time, and access detailed reports electronically. - Improved Data Management: Store and manage inspection data securely and ef...

I'm seeking a technical writer to create detailed documentation in english for our machine vision software. This software, a Windows application, is primarily used for image analysis, quality control in industrial environments (factories) and is equipped with its own programming language. The language is similar to Typescript and includes a wide variety of functions. The documentation must cater to our primary audience - software developers, while also being accessible to end-users with limited programming experience. Key requirements for the documentation include: - A comprehensive breakdown of the software's functionalities, focusing on image analysis - Detailed explanation of the software's programming language, highlighting its similarity to Typescript and the va...

Hello, I'm seeking an experienced developer to collaborate on a project involving the creation of custom trading charts. The ideal candidate should have prior experience with candlestick, bar, and line chart development using Highcharts, D3.js, or Canvas. Additionally, proficiency in either React.js or Vue.js is required for frontend development tasks. Requirements: Previous experience developing custom trading charts with Highcharts, D3.js, or Canvas. Proficiency in React.js or Vue.js for frontend implementation. Ability to seamlessly integrate market data feeds into the charts using provided APIs. Familiarity with real-time data visualization techniques. Strong attention to detail and a keen eye for design aesthetics. Project Deliverables: Development of custom trading ch...

I'm looking for a skilled and experienced professional to create a simple RESTful API endpoint using MERN express.js. Assume you are using the MongoDB server running on the course’s node.js docker container with the service name mongodb listening to the default port 27017. The "HKPassFlow" database is a collection of monthly statistics on passenger travel across control points in Hong Kong. The data is sourced from the Hong Kong Government Immigration Department and covers daily inbound and outbound trips since 2021. The data is categorized by type of traveller, including Hong Kong Residents, Mainland Visitors, and Other Visitors The monthly data in the "HKPassFlow" database is generated by a data analytics program. This data is stored in a collecti...

We have a starting theme for Kids Club Event Registration Form. We want to build the journey from landing page, to navigation of events open for registration, selecting the event, selecting the membership type under that event, then deciding the number of kids to be registered (up to 4) filling out a form which may have some ID upload mechanism) all the way to total price detemrination, discount coupon enabling and payment, then receiving the E-Tickets to the even as proof of registration. We are looking for creative U/I U/X designers to work interactively with us to build the journey, and then get all assets to help our coders convert it into a working site with API, Database, etc.

I'm looking for a professi...Instagram Marketing: I need someone who can help me leverage the platform to significantly increase my brand's awareness. - Strategy: Develop a comprehensive marketing strategy for Instagram that aligns with the goal of boosting brand awareness. - Execution: Implement the strategy effectively, and help me reach a wider audience on Instagram. - Results measurement: Provide regular reports on the progress of the Instagram campaign and its impact on brand awareness. Ideal Skills: - Proven experience in social media marketing, especially on Instagram - Strong understanding of Instagram's algorithms and best practices - Creative thinking and a knack for engaging content - Analytical skills for measuring campaign success Experience in similar ...

I am looking for a skilled and creative interior designer who can help me with the design of a small, gothic-themed bar and kitchen area. The ideal candidate should be proficient in AutoCAD, SketchUp, Vray, and Photoshop, as the job will require creating detailed plans and mood boards. Key requirements include: - Design of a gothic-themed interior for a small bar and kitchen area - Creation of AutoCAD plans and SketchUp, Vray, and Photoshop renders - Design of lighting fixtures, furniture style and layout, and wall and floor finishes - Developing mood and concept boards that capture the essence of the gothic style Skills and Experience: - Prior experience in interior design, particularly in designing bars or restaurants - Proficiency in AutoCAD, SketchUp, Vray, and Photosh...

I am in need of a skilled social media advertising expert to create and manage ads on Facebook, Instagram, and Google, with the main goal of increasing sales. The ideal candidate should have: - Proven ...deep understanding of targeting and engaging with the target audience. - Strong analytical skills in order to optimize and refine the ad campaigns for maximum ROI. Your responsibilities will include: - Creating compelling and targeted ad content for the specified platforms. - Monitoring and adjusting the campaigns to improve sales. - Regularly providing insights and reports on the campaign's progress. - Ensuring that the ads are compliant with each platform's policies and guidelines. Please provide examples of previous campaigns you've managed, particularly focu...

...website to exhibit my work in a minimalistic and modern fashion. This platform will act as the main canvas to showcase my artistry to potential clients and viewers. Primarily aimed at showcasing my portfolio. A sleek, professional, and intuitive interface is essential to allow potential clients to easily navigate through my visual pieces. Features I require include: - An easy-to-use interface to upload my photography. - A clean, minimalistic design that complements my architectural and landscape photography. - A modern style that aligns with current web design trends. - Seamless navigation to ensure potential clients can explore my portfolio with ease. - A page dedicated to contact information. - Website optimised for PC/Ipad/Iphone browsing Ideal skills for the job include ex...

...with different behaviors (e.g., flying, patrolling, chasing) to increase the challenge. * Obstacles and Traps: * Design levels with various obstacles and traps (like spikes, pits, and moving platforms) that require careful navigation. * End-of-Level Bosses: * Include a boss enemy at the end of certain levels, which requires a special strategy to defeat. * Player Progress Save and Load: * Implement a feature to save the game progress and allow players to resume from where they left off. ** Health System: * Add a health system for the player, where health is reduced by enemy contacts and can be replenished by picking up health packs. * Sound Effects for Actions: * Implement different sound effects for various actions like jumping, collecting items, enemy collisions, and reac...

Subject: Urgent: Help Needed with Spring Boot Application Shutdown Issue Hi there, We're in search of a skilled Spring Boot devel...unintended interruptions. **Ideal Candidates:** - Proficient in Spring Boot development, with a deep understanding of its inner workings. - Experienced in troubleshooting and debugging complex issues in Spring Boot applications. - Capable of working independently to analyze logs and diagnose problems effectively. - Strong communication skills to collaborate with our team and provide regular updates on progress. If you believe you have the expertise to help us tackle this challenge, please reach out at your earliest convenience. Your assistance is greatly appreciated, and we look forward to resolving this issue together. Thank you for consideri...

...professional website designers who can build an e-commerce website for me. The site should include a KYC platform, which is crucial for my business. Key Features Needed: - E-commerce: The site should have all the necessary features for an online store - KYC Platform: This is an important component of my site, and it should include: - User Verification: I need a system in place to verify the identity of users. - Document Management: The platform should allow users to upload and manage necessary documents securely. - Audit Trail: The system should keep a record of all activities and changes made. The ideal candidate should have prior experience building e-commerce websites with KYC platforms and be well-versed in web design and development. Strong knowledge of securi...

I need a professional, skilled in crafting modern and minimalistic aesthetics. You will be required to: - Build a user authentication system via email and password - Design and implement a comprehensive workflow we need a simple online laundry website to showcase some vulnerabilities and some ways to mitigate those vulnerabilities. Main features : Roles: Admin ( already exists ). washer ( need to be created ). customer ( already exist as a user role ). Actions: Admin: need to be able to control the app ( already exist ). Washer: need to see the new orders comes from the customers ( with all details ) and approve them + add the delivery date. Customer: need to sign up login + create a new order + see hisher own order history + see the pricing list page + track o...

I'm looking for a skilled data miner to gather product descriptions and customer reviews from a website for market research purposes. You'll have the following skills and experience: - Proficient in web scraping tools and techniques - Experience with market research data collection - Attention to detail in capturing specific data fields – particularly customer reviews and product desc...and techniques - Experience with market research data collection - Attention to detail in capturing specific data fields – particularly customer reviews and product descriptions As there's not a pressing time limit for completion of this project, this could be the perfect opportunity if you're dedicated and methodical, rather than a fast-paced task-doer. However, I do exp...

I need a vb.net windows application to upload a video file to youtube using google API credentials. This video will need to have a title, descriptions, and linked to a playlist.

I'm seeking an imaginative designer to create a mat for remote control car play. The mat will be 1.5ft x 3ft. I want a design that includes tracks and some deco. However, I'm open to ideas from the designer on the theme. Deliverables will be a Corel Draw file to be shared with manufacturers for printing. Ideal skills for this project: - Strong design capabilities - Experience with Corel Draw - Understanding of print requirements for manufacturing - Excellent communication skills to discuss design ideas Feel free to bring your creative ideas and approach to this project, and work collaboratively with me to create something incredibly engaging for remote control car enthusiasts! Below link for the youtube video , we have the same product( CAR and remote) an...

Need a vb.net windows form program to upload a video to youtube playlist

I need a quick correction on a CorelDRAW (CDR) file for a billboard design. Specifically, I need you to fix a text error within the design. It's a simple job that should only take 25-30 minutes. Key Requirements: - Swift correction of text error in CDR file for a billboard design - Deliver the corrected files in both CDR and PDF formats. If you have experience with CorelDRAW and can work efficiently with strong attention to detail, I would appreciate your help in completing this task as soon as possible.

Please help me solve the first file I upload, which uses psoc creator and the board is psoc 4200M, It would be best if you can remotely control my computer to help me complete it now. I hope it can be completed within 24 hours. It is an experiment on SPI wireless stepper motor control, the configuration part is done, and the board that connects the circuit is also connected to my computer, I need someone help me and help me write the code (C).

...Sort Products in Various Methods Best Search Plugin (I have an idea of the one I want used) Sort Products in Various Methods Color, Tag, Style, Title, ect… (This is very important) Info Capture Who added what to cart Email / Phone Capture Where People Click ect Other optional features: Ai chat Ai recommendations 360 images on site of my phone case mockups A feature where customers could upload their own custom design for their phone case. I uploaded 3 mockup pictures for one of the phone cases I would be selling. Lastly, any site created would need to be then handed over to me after it is finished, so I could edit, update, add to the website as needed. The main thing I need is the infrastructure of the site set up. Product postings, blog posts, future videos, ...

Job Description: We are seeking an experienced IT specialist to deploy an open-source email server with full web-based administrative control. We need setting up, configuring, and managing an email server that supports multiple domains, mailing lists, spam filtering, and comprehensive email management capabilities. Responsibilities: * Install and configure an open-source email server. Going to deploy a aws instance. * Set up web-based administration tools to manage email accounts, domains, quotas, and security settings. * Configure POP3 and IMAP support to ensure compatibility with various email clients, including mobile devices. * Implement robust security measures including spam filtering, virus scanning, and SSL/TLS for secure email communications. * Provide detailed documentati...

Need a web-based database for businesses to register, visualize and search. Features: • Super admin can access, edit all the data and setting the site name, footer and logo, can create users. • Admin user can access all the data. • User based on District: can only access and edit only District records. • Integrate mail box/chat to registered business email (text and attachment). • Expire date notification: one month before notification warning/alert and email to registered business email and warning list in dashboard. • Dashboard/chart widget to embed in public website. Dashboard • Total registered business (number) and pie chart by Business status: (Ativa, Suspensaun) • Total registered business (number) and pie chart by Gender/Sex:...

I'm looking for skilled software developers who can create a AI-powered user-friendly drag-and-drop website builder software. The software will require users to enter 3 details of nature of business, business name, and type or purpose of the intended website. Then the AI will generate a complete professional website including images. In your application, please include detailed project proposals that outline how you would approach this task. Some key points to consider: - The software must provide a complete website with meaningful graphics and media relating to the type of business and the purpose of the website. - The software must include an option for searching free images and also allow users to upload their own graphics and videos. - The software will have an i...

...closely mirror the design and function provided in this example: https://infoxide.com. Here's what I am particularly focused on: - The website is primarily an e-commerce platform. - User Registration is a key functionality. It's important that customers can register, save their details and preferences, and have a user-friendly interface. - My website will mainly focus on the sale of Digital Products. Therefore, experience in designing e-commerce sites for digital goods would be paramount. Essential skills required for the job would include: 1. Web Design - with a focus on eCommerce platforms. 2. Development of User Registration systems. 3. Knowledge of digital product integration on e-commerce sites. Given the precise demands and expectations of this p...

App is done no error. Just upload the app to apple store. Distribute in private only.

I need an expert Squarespace platform developer to construct a website for my accounting firm. Key...expert Squarespace platform developer to construct a website for my accounting firm. Key features should include a client portal where customers can upload documents and monitor the status of their work. It should also facilitate interaction where queries can be addressed. - The live chat system should primarily support text chat. - The aesthetic appeal is crucial to this project. It should have a clean look with specific landing pages detailing the services offered. Freelancers should provide evidence of past successfully completed projects, especially those related to Squarespace website development and design for businesses. An understanding of user-friendly design very ...

I need a macOS application developed in Xcode to accompany a Python script. The script currently converts hex values to decimal and saves the output as a .csv file. I now want to package this functionality into a user-friendly, intuitive desktop application. Requirements: - A clean and intuitive UI that complements the script - Dark mode compatibility would be a bonus - The application should support file upload for inputting hex values Ideal Skills: - Proficient in Xcode for macOS development - Experience in integrating Python scripts with UIs - Understanding of file upload functionality in a macOS application

Update for the app only. Submit as new app. Account ready, screenshot needed to prepare only

I am looking for a talented developer proficient in C programming, yacc, and compilers course. The main task is to develop a semantic analyzer to work on top of my yacc syntactic parser which is implemented in C for a compilers course. Specifically, the semantic analyzer should be capable of: - Type checking - Variable resolution - Control flow In case of type checking errors, the semantic analyzer should be effective enough to: - Display error messages This is a complex task that requires deep understanding of language design, yacc, and C programming. So you should be capable of analyzing the structure of a parser and developing a semantic analyzer accordingly. Your experience in compiler designing, programming language theory, and semantic analysis will be held in high re...

Instructions: 1. Create Video Card a) Change your video editing software Resolution settings to 576x896 before you start b) Cut any bad video out c) You may chop up the video, reverse it, ...a list of scary/demonic/terrifying/spooky/weird names, try a few different names 2. Animate the writing and Dice.... if you think it looks good, possibly add cool effects/Ai tools/Ai animation/Video enhancement. Do whatever you think is best 3. Add sound (****Please use ONLY 100% Vector copyright free sounds and FX (full commercial use only)(No Attribution required) (Same with the Ai) 4. Upload final work as .mp4 Dice: Other great resources: Thanks!

Instructions: 1. Create Video Card a) Change your video editing software Resolution settings to 576x896 before you start b) Cut any bad video out c) You may chop up the video, reverse it, ...a list of scary/demonic/terrifying/spooky/weird names, try a few different names 2. Animate the writing and Dice.... if you think it looks good, possibly add cool effects/Ai tools/Ai animation/Video enhancement. Do whatever you think is best 3. Add sound (****Please use ONLY 100% Vector copyright free sounds and FX (full commercial use only)(No Attribution required) (Same with the Ai) 4. Upload final work as .mp4 Dice: Other great resources: Thanks!

Instructions: 1. Create Video Card a) Change your video editing software Resolution settings to 576x896 before you start b) Cut any bad video out c) You may chop up the video, reverse it, ...a list of scary/demonic/terrifying/spooky/weird names, try a few different names 2. Animate the writing and Dice.... if you think it looks good, possibly add cool effects/Ai tools/Ai animation/Video enhancement. Do whatever you think is best 3. Add sound (****Please use ONLY 100% Vector copyright free sounds and FX (full commercial use only)(No Attribution required) (Same with the Ai) 4. Upload final work as .mp4 Dice: Other great resources: Thanks!

I'm seeking a skilled designer to create the label and box design for my wellness product, specifically targeting adults. The design should be compelling and straightforward. Key Requirements: - Incorporate our company logo, an abstract image from attached stylescape (see ), product title, subtitle, and net weight into the design. - The color scheme should combine blue with the colors found in our provided stylescape.jpg. - The label design should be coherent and attractive while clearly conveying important information to the consumer. Ideal Skills: - Graphic Design - Experience with Packaging Design - Understanding of Branding and Target Audiences.

I'm looking for a developer with a strong background in REST API integration, particularly with experience in using VS .net. The main goal of this project is to have this specialist integrate a REST API into our existing system. Key requirements and responsibilities: - Profound experience in REST API integration. - Expertise in using VS .net. - Ability to work independently and efficiently.

I am looking for an someone with .Net Core 8 developer with expertise in MVC architecture. The requirement is to create a .Net Core 8 WebApplication (MVC). The view part will be done using "" which uses scss files instead of CSS based on BootStrap 5. Ideal Skills: - .Net Core - MVC Architecture - HTML - SCSS - Bootstrap 5 - Good time management skills. Please note that previous experience with similar projects and a portfolio showcasing your skills will be highly appreciated.

...Specifically, the site should incorporate these elements: - A Mortgage Loan Calculator for users to calculate potential loan costs. - An Online Application Form for users for easy application processes. - A Loan Comparison Tool for assessing different loans. - A listing of various mortgage products in detail. The website must also enable users to upload their documents securely. Thus, implementing high-level security measures such as SSL Certificate, User Authentication, and Data Encryption is essential. In addition to these, the website should facilitate direct communication with users through a chat feature and have an appointment scheduling option. Integration of a feature to set up Zoom meetings is also required. Ideally, the freelancer should have expertise ...

Instructions: 1. Create Video Card a) Change your video editing software Resolution settings to 576x896 before you start b) Cut any bad video out c) You may chop up the video, reverse it, ...a list of scary/demonic/terrifying/spooky/weird names, try a few different names 2. Animate the writing and Dice.... if you think it looks good, possibly add cool effects/Ai tools/Ai animation/Video enhancement. Do whatever you think is best 3. Add sound (****Please use ONLY 100% Vector copyright free sounds and FX (full commercial use only)(No Attribution required) (Same with the Ai) 4. Upload final work as .mp4 Dice: Other great resources: Thanks!

I'm seeking a skilled medical writer to create a detailed an...Undergoing Cardiopulmonary Resuscitation". This task requires an individual with a deep understanding of medical principles and technologies, especially those associated with end-tidal carbon dioxide monitoring and cardiopulmonary resuscitation. The document must: - Total approximately 2700 words - Be delivered within a 48 hour period - Show progress updates every six hours - The budget is $80 - Example file has been provided - Instruction file is also provided The perfect candidate will: - Possess a high level of expertise in medical research - Provide evidence of past work, particularly in related fields Applicants without the required skills or experience, or those unable to meet the...

...expert to install and configure several components on a CentOS 7 server. The main goal is to establish a standalone and secure chat and video conferencing environment using the following repositories: UnrealIRCd Server: Install and configure the UnrealIRCd server to enable text communication between users. Repository: UnrealIRCd Web Control Panel for UnrealIRCd: Configure the web control panel to manage the UnrealIRCd server easily and efficiently. Repository: UnrealIRCd WebPanel KiwiIRC Client: Configure the KiwiIRC chat client to allow users to access the UnrealIRCd server easily and securely. Repository: KiwiIRC KiwiBNC Message Queue: Implement and

Instructions: 1. Create Video Card a) Change your video editing software Resolution settings to 576x896 before you start b) Cut any bad video out c) You may chop up the video, reverse it, ...a list of scary/demonic/terrifying/spooky/weird names, try a few different names 2. Animate the writing and Dice.... if you think it looks good, possibly add cool effects/Ai tools/Ai animation/Video enhancement. Do whatever you think is best 3. Add sound (****Please use ONLY 100% Vector copyright free sounds and FX (full commercial use only)(No Attribution required) (Same with the Ai) 4. Upload final work as .mp4 Dice: Other great resources: Thanks!

...requires comprehensive knowledge in PCB layouts and electronic component selection. - Power Source: The train will be powered by an electric outlet, hence the PCB must be designed to handle such source without triggering overheating or any power-related issues. - Functionality: The board's primary function will be to control the speed of the model train. This necessitates an understanding of motor controls and how to optimally integrate it within the PCB design. - Control Interface: A crucial aspect of the design involves facilitating an IR detector interface for controlling the train. Experience in integrating IR sensors into a PCB will be valuable for this task. Please submit your bids with evidence of similar work. Expertise in the fields of electronic desig...

I'm in need of someone with Amazon experience who can help integrate my Shopify product listings of Essential Oils with Amazon. Understanding and following Amazon's policies for product descriptions, images, and pricing is a key requirement. Key Tasks: - Ensure uploaded descriptions are Amazon policy compliant. - Select and upload appropriate product images. - Set accurate pricing for Amazon market. - Help maintain and improve upon my existing Amazon listings. - All essential oils have a four year expiration or shelf life Later in the project, we will also be looking for similar TikTok integration, so some familiarity with that platform would be valuable. Ideal skills and experience: - Strong understanding of Amazon's listing policies. - Previous experience wit...

...engagement. - Color and Audio Enhancement: I'm looking for someone who can help me make my videos more visually appealing by enhancing the colors. Audio quality is crucial, so your ability to enhance this will be a plus. Frequency and Video Length: - The average duration of my recorded videos falls within the 10-30 minutes range. - I plan to upload a new video to YouTube once a week, so the ideal candidate should be able to work with this regular upload schedule. Skills and Experience: - Proficient in video editing software - A keen eye for detail in terms of color and audio - Experience with YouTube content is a plus - Able to maintain a consistent quality of work across multiple videos - Understanding of how to keep viewers engaged through text and captions. If ...

I'm looking for a freelancer who can build a customized data visualization dashboard for my project. The main purpose of the da...for my project. The main purpose of the dashboard will be to provide a clear, easy-to-understand visual representation of various data sets. Key Requirements: - Integration of multiple data sources: The dashboard should be able to pull data from various sources such as spreadsheets, databases, and APIs. - Various visualization types: I'm interested in including a range of visualization types like bar charts, line charts, and pie charts. Ideal Skills and Experience: - Proficiency in data visualization tools and techniques. - Experience in integrating different data sources into a single platform. - Strong background in creating engaging and int...

This is a task. Analytical details will be given in docx in chat. We need a freelancer with proven experience and good expertise in systems programming using C or C++, proficiency in UNIX/Linux system APIs for process and IPC management, and experience in concurrency control and robust testing. Familiarity with shell scripting and version control using Git is also essential. 1. Implement jobCommander and jobExecutorServer for user command interface and job management. 2. Allow dynamic setting of concurrency levels for job execution. 3. Use named pipes for communication between jobCommander and jobExecutorServer. 4. Manage jobs with commands like issueJob, setConcurrency, stop, poll, exit, including unique job IDs. 5. Handle job completion signals with `SIGCHLD`. 6. P...