Import xls postgresqlงาน
I'm looking for a skilled web developer to help me enhance my finance website, Prime Asset Finance. The main focus will be on adding customer testimonials from Google, and other improvements. Here's a breakdown of the project requirements: - **Customer Testimonials from Google**: I'd like to import customer reviews from Google to display them on my website. Therefore, your expertise in integrating external data sources into a website is crucial. - **Display**: The testimonials should only show the text portion. - **General Site Enhancements**: Apart from integrating the testimonials, I'm also open to suggestions on how to improve the overall look and performance of the site. - UI/UX updates for a modern look. - Making the site responsive across devices. - Sim...
...AI-driven funding opportunity matching, interactive user profiling through an intelligent quiz, and efficient application assistance. Scope of Work: The project encompasses the following key tasks: Template Customization: Adapting the AI SaaS Dashboard template to fit the unique branding and functional requirements. Database Integration: Configuring and linking an external Airtable database to import and regularly update a directory of funding opportunities. User Authentication and Profile Setup: Developing secure login/logout capabilities and user profile management. AI Chatbot Development: Integrating OpenAI’s ChatGPT API to create an interactive chatbot that conducts a business background quiz and uses responses to tailor funding recommendations. Opportunity Matchi...
( Onl...and expertise as a Senior Software Engineer or higher ● Extensive experience in software development, scripting and agile methodologies ● Experience using system monitoring tools and automated testing frameworks ● Highly skilled knowledge of selected programming languages (e.g. Ruby, Python, React) ● In-depth knowledge of relational databases (e.g. PostgreSQL, MySQL) and NoSQL databases (e.g. MongoDB) ● Familiarity with AWS and cloud native offerings ● Analytical mind with problem-solving aptitude ● Ability to work independently ● Ability to work cross-functionally with leaders in Architecture, QA, SRE, Product, Creative, etc… ● Excellent organizational and leadership
...alto por más de 10 minutos, no se ha movido y no cambio el valor digamos 5000,10000,15000,20000lts lo marcará como carga, cuando este detenido por 10 minutos y empiece a detectar movimiento de descarga de más de 2000 litros lo tomará como descarga el ultimo valor más grande. • El reporte se debe generar en el mismo sitio en donde se generan actualmente (imagen 1) Se requiere el formato PDF, HTML y XLS como los de Fuel fillings y Fuel thefts • Lo que deseamos saber es con cuantos litros sale el vehículo de nuestras oficinas y con cuantos litros llega con nuestros clientes antes de vaciar el combustible • Se adjunta cuenta demo para visualizar la información, archivos de donde los cuales se generán actualmente....
I am seeking partners to become my local sales channels in North America, Europe, Russia, India, Japan and Korea etc. The primary products to sell are UAVs, bearings, and titanate material (e.g. brake). The ideal candidate will have: - Experience selling to the automotive and industrial manufacturing sectors - Know related product importation process, import duty, custom clearance, local transportation - Homologation if any - A strong network and knowledge of these regions - Familiarity with the specific products, their applications, and market demands Your role will involve selling these items to your local customers, establishing a steady sales channel for my products in these regions. Let's collaborate and create a mutually beneficial partnership. I also have sponge prod...
...send you complete specifications for this project. ******* A MAIN SCRIPT THAT EXECUTES SUBORDINATE SCRIPTS ******* To make it easier to modify (in particular, to debug) you will provide me with a main script named “Main script for scraping and filling in a contact ” that executes subordinate scripts. For example, “Main script for scraping and filling in a contact ” might contain… import subprocess # Common base directory base_dir = "~/abc/xyz/" # Run script 1 (["python3", base_dir + "1 of 3 script for scraping and filling in a contact "]) # Run script 2 (["python3", base_dir + "2 of 3 script for scraping and filling in a contact "]) # Run script 3 (["python3", base_dir + "3 of 3...
Project Budget: $100 Project Deadline: 1-2 Days Project Type: Custom WordPress Plugin Project Difficulty: Standard PHP Version: 8.2 and above Project Overview: Custom WordPress plugin required to allow a user to: - Upload a CSV with bulk new POST data - Select a post category, schedule start date, choose how many posts to PUBLISH each a day - Import post data and create all new posts as DRAFTS, to go live on the specified post schedule & keep a suitable log that can be checked - Insert the new POST IDs back into the original CSV file & automatically download the update CSV for a user 5* FEEDBACK WILL BE LEFT FOR YOU
I need a skyvia expert for an integration project. Source: HubSpot Target: HubSpot Objects to migrate: Contacts, Companies with it's relations Use the import package from skyvia. Please tell me if you have done HubSpot migrations with skyvia before. If not, don't apply to this project.
I'm looking for an expert to help me set up an Amazon FBA business focusing on Home and Kitchen products. Key Responsibilities: - Registering as a seller on Amazon: I haven't done this yet, so I need assistance with the initial steps. - Product Sourcing: I need help with finding reliable suppliers for Home and Kitchen products. - Setting up the Amazon FBA store: ...Amazon platform and its requirements for sellers. - Strong sourcing skills and a network of reliable suppliers in the Home and Kitchen product niche. - Experience with store setup and optimization on Amazon. Looking for a professional who can guide me through the entire process and help me kickstart this business successfully. I have ready: My supplier from China. The 20 products I’m going to import....
I'm in need of an expert who can help in developing a relational database using SQL and Python. The project will pri...revolve around database management. Consequently, I would appreciate assistance in the following tasks: - Designing a new relational database, ensuring it's optimized for efficiency and performance. - Implementing data import and export capabilities for seamless data movement. - Developing queries to support the database's functionality and ease of use. The ideal candidate for this project should have a strong background in both SQL and Python, with a specific focus on database development. Experience with optimizing databases for performance and some knowledge of data import/export mechanisms would be advantageous. Moreover, an understanding...
More details: Which platform(s) should the app be developed for? Both What essential features should be included in the audio calling app? Contact list import, Call recording, 3-way calls How should the audio calling app handle user registration and authentication? Email and password login, Phone number verification
...5. Tecnologias Utilizadas: Frontend: Use of technologies such as HTML5, CSS3, JavaScript, along with frameworks like React.js or Vue.js to develop responsive and dynamic interfaces. Backend: Use of languages such as PHP or Node.js, with frameworks like Laravel or to develop business logic and data management. Database: Use of relational database management systems like MySQL or PostgreSQL to store and manage system data. 6. Testes e Qualidade do Código: Development of automated tests to ensure the correct functionality of the system and identify possible bugs or security flaws. Continuous code review to ensure adherence to best programming practices and design standards. 7. Documentação: Creation of comprehensive system documentation, including detailed...
...in inventory management. Provide technical support and guidance to end-users as required. Requirements: Bachelor's degree in Computer Science, Software Engineering, or a related field. Proven experience as a Software Developer, focusing on inventory management software. Proficiency in programming languages such as Java, Python, or C#. Familiarity with database management systems like MySQL, PostgreSQL, or MongoDB. Strong problem-solving skills with acute attention to detail. Excellent communication and collaboration abilities. Capacity to work independently and collaboratively within a team environment. Prior exposure to Agile development methodologies is advantageous. How to Apply: If you're ready to embark on an exciting journey and contribute to the advancement of ...
I am in dire need of guidance to efficiently set up Meltano for data pipelining primarily from relational databases such as MySQL and PostgreSQL. The goal is not only to have a system in place but also to grasp a deep understanding of the whole process. Key responsibilities: - Set up Meltano for data pipelining from relational databases - Offer expertise and guidance throughout the setup process Ideal Candidate: - Expertise with Meltano and data pipelining - Experience with relational databases particularly PostgreSQL - Excellent communication and teaching skills - Attention to detail, patience and willingness to explain complex concepts in a digestible manner. I look forward to collaborating with a professional who can offer high quality assistance, and expedite the lear...
...system integrated into the xBrain Django web application. User interface for managing access levels and assigning permissions. Documentation outlining the implementation details and usage instructions. Requirements: Proficiency in Django web development. Experience with implementing access control systems and user management functionality. Strong understanding of relational databases (we use PostgreSQL). Familiarity with integrating backend functionality with existing frontend components. Attention to detail and ability to adhere to project timelines. Timeline: We expect the project to be completed within one week. Regular communication and updates on the progress are required throughout the development process. Budget: Please provide a detailed breakdown of your proposed cost...
I am currently working on a project that requires the integration of Excel with a PostgreSQL database. As such, I am in need of a freelancer who is proficient in both Excel and PostgreSQL. The primary tasks to accomplish include: 1. Exporting data from Excel to SQL 2. Updating PostgreSQL data using Excel You will be working with various kinds of data as we aim to streamline our operations in a more efficient manner. Ideal skills and experience include: - Solid understanding of PostgreSQL - Expert skills in Excel - Previous experience with SQL data exporting and updating The success of this project highly relies on a flawless data transfer between Excel and PostgreSQL. Your expertise will be extremely valuable to our project's completion. I n...
I'm seeking a skilled designer to create a minimalistic logo for my import and distribution company. The aim is to have a logo that is sleek, modern, and easily recognizable. Key Requirements: - A minimalistic approach: The design should be clean, simple, and not overly complex. - Including an abstract icon: I'm looking for something unique and creative, a more abstract representation related to the import and distribution sector. - Color scheme: Preference for cool tones, such as blue, green, or purple, which give a sense of professionalism and reliability. Ideal Skills and Experience: - Proven experience in creating minimalist logos - Strong understanding of color theory and the ability to work with cool tones - Creative thinking and the ability to develop abstr...
We are looking for an expert for static site generation using faustjs/nextjs (v14) and a headless WordPress in a monorepo project. Data fetching is done using graphQL. We already have all required react components for the site, but the components need to be moved into a reusable, independent ui library (including build scripts). We use Storybook which should import components from the ui library. We use styled components as css-in-js solution in our react components. We use graphql code generation to generate typescript types from our fragments. Static site generation should make use of SSR and server components. The coding is more than half done. We are looking for someone, who has already made all the mistakes, and guide us. My backend dev scope the project for 2 days. If it take...
As a highly-technical individual running an N8N instance, I'm currently seeking a savvy OAuth expert to assist with the integration of Google Sheets. Key Responsibilities: - Import a limited volume of entries (less than 1000) from Google Sheets into N8N - Establish a consistent data syncing process between N8N and Google Sheets Ideal Candidates: - Have an extensive background working with Google Sheets and OAuth - Proven experience smoothly and efficiently accomplishing similar projects in the past I'm looking forward to hearing from candidates who can demonstrate their OAuth expertise and problem-solving aptitude in their application.
...should support, among others, member registration, subscription tracking, member services management, and trade references. The system should facilitate data import from Excel and accommodate online and offline accessibility based on the user’s capacity to meet online hosting costs. Member Registration: Develop a module for member registration capturing key details such as Name, address, and any other contact information. Village, group, area, district, province, sub-group affiliation (e.g., Study circle, VSLA, commodity association etc.) Demographic information (age, gender, household size, etc.) Implement functionality to adapt and import member data from Excel sheets. Enable different access levels (Project team, Donors and trading partners) for viewing, analys...
Generic replied will be rejected. You must have experience in Radix, Scraping Data and be able to create a script that will import directly into woocommerce. We need an experienced radix developer to perform data scraping tasks for our client. The fundamental requirements include: - Scraping data from a suppliers website - Data to be scraped includes textual content , pricing and metadata - Skilled in managing and maintaining the scraped data's quality and relevance This data then needs to be imported into a woocommerce site as a variable product. The ideal candidate should have: - Expertise in working with WooCommerce platform - Proficiency in radix software - Experience in data scraping and storing large volumes of data The scraped data should be imported to my WooCom...
...the real-time import of leads to a React front-end and a Laravel back-end. Your primary tasks will be: - Setting up a Facebook app specifically for this project - Integrating Facebook login with a React front-end - Importing user profile information from Facebook in real-time - Importing leads generated from Facebook ads subscribed users in real-time Ideal candidates should have: - Proficiency in Facebook API and the ability to create a Facebook app - Strong experience with Laravel and React - Previous work with integrating Facebook login and data import - A good understanding of lead generation, especially from Facebook ads - The capability to ensure that the data import is real-time If you're confident in your skills and have a good understanding of real-t...
...platform suggestions: Custom Web Application with AI Integration: Develop a custom web application leveraging modern web development technologies such as React.js or Angular for the frontend and Node.js for the backend. Integrate ChatGPT API to provide AI-driven chat functionality for users to interact with the platform and receive personalized recommendations and assistance. Utilize MongoDB or PostgreSQL as the database solution for storing user data and AI-generated recommendations. AI Chatbot Platform: Build the platform as an AI-driven chatbot system where users can communicate with ChatGPT directly to seek advice, receive recommendations, and interact with predefined security areas. Develop the chatbot using frameworks like Dialogflow or Microsoft Bot Framework, integrati...
...AI-driven funding opportunity matching, interactive user profiling through an intelligent quiz, and efficient application assistance. Scope of Work: The project encompasses the following key tasks: Template Customization: Adapting the AI SaaS Dashboard template to fit the unique branding and functional requirements. Database Integration: Configuring and linking an external Airtable database to import and regularly update a directory of funding opportunities. User Authentication and Profile Setup: Developing secure login/logout capabilities and user profile management. AI Chatbot Development: Integrating OpenAI’s ChatGPT API to create an interactive chatbot that conducts a business background quiz and uses responses to tailor funding recommendations. Opportunity Matchi...
I am in need of a skilled professional who can assist me in setting up the Odoo Books system for my i...my invoicing processes. Requirements: - Configure the system to enable the creation of goods and service invoices in USD. - Implement moderate customization to the invoice templates, focusing on layout changes and adding custom fields. - Import all of my product information from an Excel sheet. This includes product names and their respective cost prices (which are in INR). Ideal Candidate: - Proficient in working with Odoo Books and setting up invoicing processes. - Experience with customizing invoice templates within Odoo. - Skilled in data import from Excel sheets to Odoo. I look forward to working with a professional who can deliver these requirements effectively...
...Engineering, or related field. • 3-5 years of prior relevant work experience as a Full Stack Developer or similar role. • Proficiency in front-end languages such as HTML, CSS, and JavaScript. • Experience with JavaScript frameworks such as Angular, React, or Vue.js. • Proficiency in server-side languages such as Python, Ruby, Java, PHP, or Node.js. • Experience with database technology such as MySQL, PostgreSQL, MongoDB, or similar. • Familiarity with RESTful APIs and microservices architecture. • Excellent verbal communication skills. • Good problem-solving skills. • Attention to detail. Preferred Qualifications: • Experience with cloud technologies (Azure). • Knowledge of DevOps practices (CI/CD pipelines, Docker, Kuberne...
...customizable resume templates to cater to different job industries and levels of experience. - **Resume Customization Options:** Incorporate AI-driven suggestions for resume customization, helping users to tailor their resumes to specific job postings or industries. - **Import/Export Resume:** Enable users to easily import their existing resumes and export the newly created ones in various formats (e.g., PDF, Word). - **LinkedIn Integration:** Implement functionality allowing users to link their LinkedIn profiles for easy import of professional achievements, experiences, and network endorsements. - **Cover Letter Builder:** Develop an AI-based cover letter builder that guides users in creating compelling cover letters tailored to specific jobs. **Additional F...
I am in need of a skilled professional who can assist me in setting up the Odoo Books system for my i...my invoicing processes. Requirements: - Configure the system to enable the creation of goods and service invoices in USD. - Implement moderate customization to the invoice templates, focusing on layout changes and adding custom fields. - Import all of my product information from an Excel sheet. This includes product names and their respective cost prices (which are in INR). Ideal Candidate: - Proficient in working with Odoo Books and setting up invoicing processes. - Experience with customizing invoice templates within Odoo. - Skilled in data import from Excel sheets to Odoo. I look forward to working with a professional who can deliver these requirements effectively...
...existence, deep in the bowls of PyCharm there exists a codebase held hostage from migrating to the land of PostgreSQL where it belongs. Its captor - the evil Djangosaurus, has armed itself and is baying for binary bloodshed. Chat GPT has floundered, Gemini still believes it's more likely an Australian Gummy-shark has driven a Porsche than Apollo 11 potentially didn't land on the moon. This is the real thing, this is what you've been trained for. There is no task sheet even envisioned for this unprecedented event. Your mission if you chose to accept it is to go where no supercomputer can - into the HQ of DjangoTown - and seek out the energy source powering the Djangosaurs with circular import energy cubes and shut it down so this codebase can get to its do...
We are seeking a skilled Blender Artist to adapt and rig a character for us! Your mission: - Import FBX base models we provide from our Maya sources - Combine and adapt existing models, and create new models needed to fit our provided design page. - Adapt provided textures (or create new ones) to match our design page. - Fully Rig the character and their outfit for easy animating, including Shape Keys. (Exisitng shape keys will be included in the original FBX files.) Ideal Skills: - Proficient in Blender - Experience in 3D character modeling & rigging - Able to work from sketches and existing models - Knowledge of generating character movements While this project is for a single character, we have more that will need work done in a similar manner. Good performance and qual...
...code to read USERS from Keycloak using the api task: - Need to get REALM data for each user - Need to get GROUP data for each user We can do a 2nd Milestone if you like and we can talk about that together ----------------------------------------------------------------------------------------------- WORKING CODE TO READ USERS cat from keycloak import KeycloakAdmin admin = KeycloakAdmin( server_url="serverURL:port", username='admin', password='password', realm_name="master") print("current realm",admin.get_current_realm()) users = admin.get_users({}) if len(users) > 0: print("-------------------------------------") for user in users: for key, values in (): ...
...being here Please see below code to read USERS from Keycloak using the api task: - Need to get REALM data for each user - Need to get GROUP data for each user We can do a 2nd Milestone if you like and we can talk about that together ----------------------------------------------------------------------------------------------- WORKING CODE TO READ USERS cat from keycloak import KeycloakAdmin admin = KeycloakAdmin( server_url="serverURL:port", username='admin', password='password', realm_name="master") print("current realm",admin.get_current_realm()) users = admin.get_users({}) if len(users) > 0: print("-------------------------------------") for user in users: for ke...
Need to import views, floor plans and cross sectons from Archicad 24 file. For some reason cannot get it in the program. Als oneedot save settings in the PLA file for a future use
I need an expert to migrate my products from an Excel file to my WooCommerce store. Key Requirements: - Migrate products from an Excel file to WooCommerce - Use attributes to define variations within a single product - Update existing product descriptions during the migration Ideal...Excel file to WooCommerce - Use attributes to define variations within a single product - Update existing product descriptions during the migration Ideal Skills and Experience: - Strong experience with WooCommerce and product migration - Proficiency in handling product variations using attributes - Attention to detail for updating and modifying product descriptions - Excellent knowledge of data import/export and product management on WooCommerce. - Ability to ensure a smooth and error-free migratio...
...The data needs to be updated daily and in real-time - Multilingual support is not required, so a single language is sufficient Ideal Skills and Experience - Proficiency in working with XML data and importing it into systems - Expertise in Prestashop and its search feature tables - Experience with real-time data updates in web applications - Strong problem-solving skills and attention to detail Import data from xml sheets into multiple prestashop faced search feature table. Here's an outline of the tasks Script to Parse XML for Nightly Update: This script will run once a night to parse a large XML file provided by the content provider. It will update, add, or remove relevant data in the PrestaShop facet search database tables. The script should be optimized to avoid syst...
I am looking for an experienced (4+ years) React JS and Node JS developer who can help in updating and adding new functionalities to existing web application. Your experience with Shopify APIs would be highly advantageous. Key Requirements: - have good understanding of UI UX - Integrate a payment gateway - Extensive experience with API integration - Proficient use of PostgreSQL as the database management system Preferable Experience: - Previous experience with developing react js , node js application - Proven experience with integrating Shopify APIs
import all the data from a json to custom compis all json data must be imported
...a strong understanding of software architecture and design patterns. - CAD Software Development: Prior experience in developing CAD software, particularly with a focus on 3D modeling, will be highly beneficial. - Windows OS: A good understanding of Windows OS and its specific requirements for software development. - File Format Handling: Experience in handling DWG files and developing import/export functionalities for CAD software. If you have relevant experience and skills in C++ development, particularly in CAD software, and can commit to creating a high-quality, Windows-compatible CAD software, I'm keen to hear from you. Extra info: I am looking at a long term contract of 1 year, renewable each year. I will conduct a written test before making offe...
I require an expert in Asterisk and FreeSWITCH development, along with experienced system engineering skills. Specifically, I need help with: - Asterisk and FreeSWITCH development - Integrating VoIP - Setting up Call routing and IVR (Interactive Voice Response) - CTI ...skills. Specifically, I need help with: - Asterisk and FreeSWITCH development - Integrating VoIP - Setting up Call routing and IVR (Interactive Voice Response) - CTI - Skill group base call routing to agents. Apart from these, the implementation of Asterisk and FreeSWITCH clustering as well as Call Center Reporting is required. The technology stack should be Linux, PHP, MySQL along with postgresql and API knowledge. The freelancer should have considerable experience in these to meet the project's specifi...
Hi Emilia S., I noticed your profile and would like to offer you my project. We can discuss any details over chat.
...rewards and incentives to referrers, and provide benefits to referred customers. The system should also be able to manage and monitor the referral process with ease. There are other smaller improvements required to the website and the database we use to run our suppliers prices. Our stock database was designed by me and built by our then developers. We also link into accounting to import customers orders and convert to invoices. We also link / interface to Ideal skills for this project would include: - Proficiency in Opencart system development - Strong UI/UX design capabilities, especially in mobile responsiveness - Experience in developing and implementing referral programs in e-commerce systems - A good understanding of security features to ensure customers' data ...
I'm looking to have a tool developed that can analyze biological microscopy images, specifically with features such as color segmentation, edge detection, and cell counting. The tool should also support universal data import and corrections of alignment and image rotation. Ideal candidates for this project should have: - Strong proficiency in Python and Java - Previous experience with image analysis and microscopy imaging - Fiji, Maven, Eclipse preferred - Bio-formats - Would be great if you have experience in setting up a Fiji plugin (post your work)
I need a WordPress expert to help me import posts from a JSON file to my website. I need to import posts from a JSON file to my WordPress site, without any media files, just the text content. This is a one-time job and I want the imported content to look exactly like the original. Key requirements: - Expertise in WordPress - Proficiency in handling JSON file imports - Attention to detail to ensure no data loss Please ensure that you have prior experience in handling similar projects.
As a person hiring, I'm seeking proficient technical interviewers with specific skillsets and experience. Your responsibility will be to assess candidates' technical knowledge and evaluate their problem-solving capabilities. Requirements: - Proficiency in Python with the Pyramid framework, SQLAlchamy ORM tool, and PostgreSQL. - More than 10 years of Python experience. Ideal Skills: - In-depth knowledge of programming languages, system architecture, data structures, and algorithms. - Stellar communication skills, with a knack for evaluating others' technical knowledge and problem-solving abilities. Become a part of this valuable process where you'll be instrumental in identifying talented individuals who can contribute effectively to our technical team.
Company description Fulle Imports is a company specialized in the import of baby care products in Ecuador. Founded by two mothers with experience and knowledge of the needs of babies, our company is dedicated to providing safe and reliable products to Ecuadorian families. We make sure to only work with internationally recognized and certified suppliers to ensure the quality and safety of our products. We need colors that highlight values Values: Quality: We ensure that we import only the highest quality products that meet international safety and nutrition standards. Trust: We work with recognized and certified suppliers to guarantee trust in our products. Care: We care about the well-being of babies and their families, which is why we offer safe and nutritious products. Cu...
We are import export company from Pakistan. We need buyers worldwide for our export products. We are hiring freelancers to find buyers for us and research the market in their areas.
As discussed, bird netting calculator editable pdf & xls conversion with formulas from excel, next button and submit.
Hey I’m looking for someone to tutor me on C4D. I have models which I’m able to texture and also have animations in fbx format. I’m looking for tutoring on how to apply animations to models and then export the final animated scene to mov with alpha channel so I can then import into my Prem Pro projects. I'm an intermediate user of Cinema 4D and looking to enhance my skills in the area of Animation and Dynamics. I'm seeking a tutor to help me dive deeper into these aspects of the tool in a method that's focused on troubleshooting and problem-solving. Key requirements: - Intermediate to advanced level understanding of Cinema 4D, with a strong emphasis on animation and dynamics. - Prior experience in tutoring or teaching, preferably in a troublesho...
I need an experienced developer to handle a two-way synchronization between the Bling system and the ERP DeluxeUp. - You will need to import vendors from the Bling system and update their information on the ERP DeluxeUp. - Also, you'll update the Bling system with the latest information from the ERP DeluxeUp. - A GitHub connection is required for the DeluxeUp vendor registration. The synchronization process should be scheduled to run daily and should work efficiently. The ideal candidate for this project should have: - Proficiency in API integration, specifically with the Bling system and GitHub - Experience in two-way synchronization between systems - Strong understanding of the ERP systems Please note that access to the Bling system's source code is a requirement ...
