Types of sorting algorithms java jobs

I'm seeking a professional experienced in algo tr...experienced in algo trading in the stock market to manage my trading position. Knowledge and expertise in the following areas would be beneficial: - Day Trading: Your main focus should be on day trading strategies. Your ability to stay ahead of real-time news and trends is essential in securing high yield returns. - Moderate Risk: While I'm open to a moderate level of risk to achieve my day trading investment goals, it's crucial to maintain a strong stance on risk mitigation strategies. Professional favorites in financial markets, trading algorithms, and risk management under medium-risk settings would be an excellent fit for this role. Please share any similar previou experience or successes within ...

To avoid the AI bid, place the sentence at the front of the sentence. "I like popcorn". I'm seeking an AI developer with proficiency in Natural Language Processing and Machine Learning Algorithms to work on a project that primarily involves Image Recognition and Data Analysis. Key Responsibilities: - Develop and implement cutting-edge machine learning models for image recognition. - Create solutions for data analysis utilizing AI technologies. Skills Needed: - Exceptional knowledge in natural language processing and machine learning algorithms. - Proficiency in Python and C++. - Solid understanding of image recognition and data analysis. The ideal candidate will have a proven track record in AI development, particularly in the specified areas,...

I'm looking to install a high-speed fiber internet connection for my home. The primary use of this connection will be for streaming and entertainment purposes, so a high-speed connection is crucial for ensuring a smooth and uninterrupted experience. Key requirements: - Installation of a home fiber internet connection with a speed tier of at least 1 Gbps - Optimization for streaming and entertainment purposes Ideal skills and experience for the job: - Proven experience in installing home fiber internet connections - Familiarity with various speed tiers and their implications for different types of internet usage - Ability to optimize internet connections for specific purposes, in this case, streaming and entertainment

I'm in need of a simple website, to be completed by the end of the week. The main purpose of this site is to match people with a (private info) skill set with those seeking this skill set Basic match making style Key Functionalities: - Contact Form: I need a simple contact form so that visitors can get in touch with me easily. - Image Gallery: to show those with skill sets work, and previous projects Completed - Matchmaking for Skill Set/Hiring: This is a unique feature I'm looking for. I need a mechanism that can match the skills of my members with the needs of other members - Training Area: This will be different from a standard blog. I want to provide a platform for training resources where members can obtain free simple training videos or...

I need a data structure and algorithm expert to help me solve some beginner level problem sets mostly revolving around arrays and strings. Ideal candidates should: - Have a strong grasp of fundamental data structures & algorithms. - Be proficient in problem-solving using arrays and strings. - Be able to explain solutions clearly and concisely. Looking for a freelancer who can help me understand the basics while getting through the problem sets.

I'm seeking an experienced CAD jewelry designer for custom-made jewelry pieces. Key tasks include: * CAD designs for a three different types of jewelry: rings, necklaces, and bracelets. * All designs will need to incorporate a mixture of materials such as gold, silver, and gemstones. The ideal candidate would have: * Proficiency in CAD software specifically for jewelry design. * Familiarity in using diverse materials such as gold, silver, and gemstones. * Experience in creating varied forms of jewelry like rings, necklaces, and bracelets. Your portfolio displaying your previous work in CAD jewelry design will be highly favored in the selection process.

...two projects to do on Android Studio by java language. I'm waiting good offers . Task : Create a Music / MP3 player mobile application in Flutter or in Android Studio that recommends its users the local area popular songs based on their GPS location. Submit the source code and the apk file as Task2.zip. Task : Create a Mobile Application for a Cafe Restaurant to receive orders from its Customers. The Application should offer a list of menu items [For Example: Coffee, Garlic Bread, Cheese Sticks etc.] You can choose the menu items from 4-5 items as per your choice. Try to make the application visually appealing and interactive in terms of graphical user interface (GUI). Demonstrate your coding and presentation skills by creating a short video of &qu...

...should facilitate both user registration and guest checkout. - Random Selection of Winners: A secure and unbiased method of randomly selecting winners must be incorporated. - Notification to Winners: The website must notify winners in a timely and efficient manner. Types of Raffles: - Weekly Raffles: The system should support the conducting of weekly raffles. - Special Event Raffles: Furthermore, the website should be able to host special event raffles. Ideal Skills and Experience: - Proficiency in web development, particularly in e-commerce and payment gateway integration. - Prior experience in creating and managing raffle websites. - Strong understanding of security protocols and random selection algorithms. - Good communication skill...

A global tour agency is looking to hire experienced and knowledgeable guides for private tours in Jeonju, Gangneung, Jeju City,...experienced and knowledgeable guides for private tours in Jeonju, Gangneung, Jeju City, and Seogwipo, South Korea. Ideal candidates should: - Be well-versed in the local history, culture, and outdoor attractions of the mentioned cities. - Have a friendly, engaging, and professional demeanor. - Have excellent communication skills in English. Korean language proficiency is a plus. The agency is seeking to hire 8 guides, with varying skill sets and tour guiding experiences to cater to the different types of tours being offered. If you have a passion for sharing your knowledge of South Korea and its unique offerings with international...

Project Title: AI Image Processing for User Face Image with Clothing Overlay I am looking for a freelancer who can utilize AI technology and image processing to create a single im...final output should be a single image that contains the user's face image with clothing overlay. - The clothing overlay should include a t-shirt from a second image and pants from a third image. Ideal Skills and Experience: - Proficiency in image processing algorithms and techniques. - Familiarity with AI technology and its applications. - Experience in using APIs for image manipulation and overlay. - Strong attention to detail to ensure seamless blending of the user's face image with the clothing overlay. Please provide examples of previous projects or relevant experience in i...

I am in need of a Flutter-based image editing tool that can perform specific functions. The main requirements for the project are: - Development of a tool that can work seamlessly on both Android and iOS platforms. - The tool must be capable of copying a part of an image and pasting it in another location. - It should support different image formats, ensuring compatibility with various image types. The user interface for the tool is expected to be: - Interactive: The tool should engage the users and provide smooth navigation. Ideal skills for this project include proficiency with Flutter, knowledge of image editing functionalities, and experience in developing user-friendly interfaces. Successful completion of this project will require a...

Hello, I will need 2 different versions of a very simple booking android app. the important part is the communication with our simple Java (eclipse) backend. Analytical step-by-step details will be sent in doc, together with helpful code and matterial, as well as the java eclipse project of the backend. We will need 2 completely different versions of the same app (completely different gui, comments on code, approach where possibble, all variable and function names, structure and order) Budget is $200 USD for both (2 milestones $140 USD and $60 USD) Deadline: 27/5 for the first and 30/5 for the second

I'm in need of a highly skilled AI developer with expertise in natural language processing (NLP), computer vision (CV), and machine learning. The core objective of the project is to develop an AI-based recommendation system. Key Tasks: - Implement NLP techniques - Develop CV application - Integrate robust machine learning algorithms A significant aspect of this project is UI design – specifically the construction of user-friendly dashboards. I am looking at someone who can visualize the machine learning processes and outputs in an engaging manner. Desirable Skills: - Expertise in AI technologies (NLP, CV, ML) - Experience in building AI-based recommendation systems - Proven ability in creating user-centric UI, specifically dashboards.

I'm in need of a professional Presentation Designer to craft engaging slides for an academic presentation focused on the Republic of China's role as a key destination for foreign direct investment (FDI). The project entails a mixture of content types including text, images, and charts/graphs. Key Requirements: - Professional Content: I need the presentation to be aesthetically pleasing and of a high standard. - Content Variety: Incorporate a good balance of text, images, and graphs. - Slide Volume: The presentation should consist of 10-20 slides. Each slide should be engaging and structured appropriately. Important Note: The diploma work will not be provided. The content of the presentation should be researched and writt...

Seeking a front-end developer to connect with my Java backend. I require a front end that can handle real-time data interaction. The project is urgent, I need the work done in the next couple of days. Key Requirements: - Utilize Java back-end - Implement real-time data interaction - Ensure Continuous Integration (CI) - Setup Automated Testing The ideal candidate should be proficient in front-end technologies, Java, CI/CD processes, and have a good understanding of real-time data handling. Prompt availability is crucial for this project.

I'm looking for an experienced Android developer to create an educational app. The app's primary goal is to provide educational content to user...users. In order to deliver this content effectively, I need the following functionality: - User Accounts: The app should allow users to create profiles and log in. This is essential for tracking progress and providing personalized content. The ideal candidate for this project should have: - Proficient in Java and Android development - Experience in creating user account systems within apps - Prior experience in educational app development would be a plus. Please provide examples of similar projects you've worked on. I'll be looking for someone who can not only deliver a functional app, but also one with a...

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I'm looking for a skilled video editor who can navigate through various types of projects. The length of the edited videos may vary, so flexibility and adaptability are must-haves. Key responsibilities include: - Audio enhancement: improving and optimizing the sound quality for the best viewer experience. - Cutting and trimming: refining the raw footage to create a more polished final product. Experience in editing different kinds of videos is a plus, as the remit of projects is yet undefined. Please provide samples of previous work when applying.

I need a PHP script to update an existing PDF file with data from a form. - The purpose is to update information in the PDF file, not generate new ones. - The edited PDF will be displayed once, not saved for future reference. - The data that I'll be en...form. - The purpose is to update information in the PDF file, not generate new ones. - The edited PDF will be displayed once, not saved for future reference. - The data that I'll be entering into the form is a bit more complex than just text. It includes text, images, tables, etc. The ideal freelancer for this project should have: - Strong understanding of PHP. - Experience with PDF manipulation in PHP. - Ability to work with various data types in PDFs. - Attention to detail to ensure the PDF retains its original...

I am in need of a professional data entry specialist able to handle a variety of data types and formats. This includes text, numbers, and images, with the bulk of the work being in Excel format, but also involving Word and PDF files. The task involves inputting a small amount of data, less than 100 entries. Ideal Skills and Experience: - Proven experience in data entry, ideally with a variety of data types - Expertise in Excel, with the ability to organize and manage data effectively - Attention to detail to ensure accurate data entry - Time management skills to complete the task efficiently - Familiarity with Word and PDF formats Your precision and understanding of various data formats will be key in executing this task successful...

Preparing financial statements for the year 2023 typically involves gathering data from various sources such as income statements, balance sheets, and cash flow statements. This data is then organized, analyzed, and compiled into the appropriate financial statement formats following accounting principles and standards. Additionally, any necessary adjustments or reconciliations are made to ensure accuracy and compliance with regulatory requirements.

I am looking for an advanced leve...advanced level Grasshopper expert who can assist me in automating design complexity in Rhino. Your tasks include, but not limited to: - Scripting and Automation: Crafting custom scripts for efficient architectural model creation and routine task automation. - Parametric Design: Generating fluid and flexible architectural designs based on various parameters. - Algorithmic Modeling: Conceiving robust algorithms to represent and signal complexities in 3D models. Ideal candidates have in-depth experience with Grasshopper in Rhino environments and can demonstrate their expertise in advanced scripting, parametric design, and algorithmic modeling. Understanding complex CAD design principles and the ability to troubleshoot under pressure would also be b...

I'm looking for a talented data analyst to help me leverage MIRO for a deep dive into our various types of data and generate actionable insights. I need the work done quickly, so please be prepared to jump right in. Key skills and experience required: - Previous experience in data analytics, particularly using MIRO and analyzing a range of data sources. - Ability to identify trends and patterns, discover correlations between variables, and make data-driven recommendations. - Excellent communication skills and the ability to present complex findings in a clear, understandable manner. - A proactive and fast-paced work ethic- the ability to deliver quality work quickly, without compromising on accuracy.

I am looking for an experienced and creative social media specialist to create and manage advertising campaigns for my business across several platforms - namely Facebook, Instagram, Twitter and TikTok. Skills and ...manage advertising campaigns for my business across several platforms - namely Facebook, Instagram, Twitter and TikTok. Skills and Experience required: - Proven experience in managing paid social campaigns on Facebook, Instagram, Twitter and TikTok - In-depth knowledge of these platforms' advertising algorithms and audience segmentation - Ability to create engaging content suitable for each platform - Strong understanding of analytics and ability to optimize campaigns based on results Please apply with relevant examples of campaigns you...

I'm looking for a talented developer to create an online examination platform for my educational organization. Here are the main features and requirements: - Support for multiple question types: The system should be able to handle various question types such as multiple choice, true or false, and fill in the blanks. - Extensive subject coverage: The examination will cover more than 10 subjects or topics. - Automatic grading: The platform should have a robust automatic grading feature that can handle all types of questions, not just multiple choice and true or false. The ideal candidate is someone with a strong background in web development and experience in creating online examination systems. The ability to create a user-friendly and intuitive interfa...

I need a skilled content writer to create professional blog articles and website content for my brand. Key Requirements: - Content Types: The project involves creating blog articles and website content. - Word Count: The desired word count for each piece is between 500 to 1000 words. - Tone: The tone of the content should be thoroughly professional. I am looking for a writer who can adopt a professional tone while crafting engaging and informative content. The ideal candidate should have a strong understanding of SEO, tailoring content for digital platforms and have an excellent command over English. Experience in content writing for websites and blogs will be an added advantage. If you possess all the above qualities and can deliver high-quality content within ...

I need a skilled developer to provide code for a website project I'm undertaking for university. The website's ma...and administrators so it needs to be professionally done. Key aspects requiring your expertise include: - User Interface Design: The aesthetic appeal, ease of use, and general accessibility of the site must be top-notch. - Database Connectivity: Creating a solid link between our user data and the website. You must be well-versed in server-side scripting and maintaining databases. - Functionality: The site must have intuitive and fast features. Your proficiency in Java would play a major role in getting this right. Your portfolio will better your chances if it includes similar past projects showing a harmony of HTML, CSS, and Java...

I am looking for a backend developer who has proficient skills in MongoDB, , React.js and Node.js, colloquially known as the MERN stack. Key Requirements: - Substantial experience using the MERN stack for backend development. - Proven record of delivering robust, error-free applications using these technologies. - Comfortable with managing data structures and developing algorithms for complex data manipulation. - Intermediate skill level is preferable as you should have a solid understanding of backend development principles without being overqualified. In your application, please detail your background and experience working on similar projects. This involves explaining your past work and presenting any particular challenges you had to overcome. Each accomplishmen...

We are a marketplace an have an excellent website (Build in Next Js) that is facing some indexing issues in google. I'm looking for an expert in programmatic SEO (...through programmatic SEO and only 136K pages are indexed. Key Responsibilities: - Identify & resolve the specific indexing problems affecting my website - Suggest and implement strategies to improve website's indexing Ideal Skills and Experience: - Proven track record in SEO, with a strong emphasis on programmatic SEO - Expertise in resolving indexing issues - Excellent understanding of search engine algorithms and indexing processes - High proficiency in SEO tools and analytics Your insights and solutions will be critical in helping my website reach its full SEO potential. Please share your rel...

I'm in need of a skilled web scraping expert who can help me compile a database of local businesses. The data I need should include company name, physical address, email, phone numbers and their social media profiles. Key requirements: - Data extraction from multiple websites: I'm looking to collect this information from a variety of sources, not just a single site. This will require the ability to navigate various structures and formats, so experience with diverse web scraping is a must. - Targeting local businesses: The focus of this project is to gather data specifically from local businesses. This implies you should have the know-how to identify and extract data from these specific types of entities. - Data fields: The most crucial ...

Always visible MENU with : 1. Webflow "7 categories" menu + "contact" and "about" 2. Webflow LIST/ filtering sorting each of the 7 categories. On a click the listed projects can be shown as ImageA or ImagesB PROJECT PAGE With Home buttons With 4 blocks of text on the top + max.10 images and text + links to PDF WEB DESIGN (layout) Provide or adapted from the draft CONTENT Instructions to fill it by us

I'm in search of a skilled WordPress developer to take our current web site, , grow its traffic flow exponentially, come up with innovative ways to connect our various social media channels to the site to boost traffic from social to web, add api feeds to save content creation writing articles time, and bring tactics and ideas to bring more engagement, with the following key features: - **API Content Feeds:** I need the site to display a variety of content types, including news articles, video content, social media updates and publically valuable content, sports, birth & death notices. The ideal candidate for this project should have: - **Experience with News Media Websites:** Experience in creating personalised news media content and working with API conte...

...have. The form should be beautifully designed and should be able to toggle between light and dark modes. I only need the design. This form does not require a database. - The form should be designed to be versatile and multiple types of utility forms - The form should include various fields, including but not limited to Name, Email, Phone number, Address, and Message. - The form should be equipped to handle and incorporate different types of utility forms such as Contact form, Feedback form, Registration form, and Survey form. I will provide you with a mockup of the form; you will be tasked with transforming this concept into a functional form. Most have side admin panel Ideal Skills and Experience: - Proficient in PHP and HTML - Strong backgr...

I'm looking for an SEO expert to assist me in improving my website's visibility and search engine ranking through the creation of high-quality backlinks. Please note that this project does not involve website traffic. Key Responsibilities: - Building high-quality backlinks from reputable websites. - Ensuring the backlinks are from relevant sources to increase search engine ranking. - Developing a strategy for improving search engine ranking. - Regularly monitoring and reporting on progress. Ideal Freelancer: - Proven experience in SEO and backlink building. - Familiarity with the latest SEO trends and algorithms. - Excellent analytical and problem-solving skills. - Strong communication and reporting abilities.

I'm looking for a skilled developer to help me create a sniper bot that operates on Raydium and leverages the Solana blockchain. Key Requirements: - Operation on the Raydium exchange: The bot should be able to execute trades on this...provided to the developer in detail. - Frequency: I want the bot to scan and execute trades on Raydium every 10 seconds. The ideal freelancer for this project should have experience in developing trading bots, particularly on the Solana blockchain. Additionally, experience with Raydium and the specific criteria I've outlined is highly desirable. Being able to work with high-frequency trading algorithms is a plus. Please provide a detailed proposal outlining how you plan to approach this project, your relevant experience, and any r...

I need 20 different vector graphics / icons. I already have different images of this but I need some new in new / modern Style. Two examples of the old ones are attached.

I am in need of a competent product designer who can design an optic wash with the main function of cleaning eyeglasses. While key features were not specified for this project, it would be helpful if the designer has past experience or expertise in creating compact, energy-efficient, and multi-functional designs. Similarly, although I didn't specify what types of glasses the optic wash should cater to, a design that can cater to various types of eyeglasses such as prescription glasses, sunglasses, and reading glasses would be appreciated. Skills and Experience: - Product Design - Understanding of optical equipment would be a bonus - Proven track record in similar projects - Creative thinker and problem solver - Knowledge in manufacturi...

I require a well-designed Shopify store to sell my range of physical products. The website should offer a seamless and user-friendly experience to convert visitors into customers effectively. Key project requirements: - Configure and integrate an e-commerce platform into the website - Design features for showcasing more than 50 different types of products - Implement efficient transaction processing and secure payment gateway systems Ideal skills and experience: - Extensive experience in building and designing Shopify websites - Excellent understanding of e-commerce platforms - Strong track record of working on similar projects.

...in search of a skilled and experienced Data Structures and Algorithms (DSA) Trainer. We are open to considering both full-time and freelance candidates. Key Requirements: - We expect the DSA Trainer to have at least 2+ years of experience in the field. - The ideal candidate should be comfortable with training individuals at an intermediate level of expertise in Data Structures and Algorithms. - While there are no specific topics mentioned at this time, a comprehensive understanding of basic data structures (Arrays, Linked Lists, Trees), algorithms (Sorting, Searching), and possibly advanced concepts (Graphs, Dynamic Programming) would be beneficial. Ideal Skills and Experience: - 2+ years of experience in Data Structures a...

I'm seeking someone with a built-in infotainment system who can test an application for retrieving speed and fuel level data via Android Auto. I'm interested in verifying whether the application accurately displays the car's speed and fuel level.

I'm looking for a skilled developer who can create an algorithm that can predict the ideal clothing size for...looking for a skilled developer who can create an algorithm that can predict the ideal clothing size for online consumers. Key Requirements: - The algorithm should be able to predict the most suitable size for the consumer based on a set of questions provided. - The algorithm should utilize body measurements from the data sets. Ideal Skills & Experience: - Proficiency in algorithm development. - Experience with integrating algorithms into websites. - Familiarity with handling and utilizing body measurements from data sets. Please note, the main objective of the algorithm is to predict clothing sizes based on body measurements, not personalized reco...

I'm looking for a seasoned Android developer (kotlin /Java) who can create an MDM app (Device owner mode) , which acts as DPC (Device Policy Controller) with a solid user management core functionality. Your key tasks will be: Creating an Android application which - manages the device hardware and software - this app would be able to configure network parameters, VPN, and CA certificates - wipe the device and its contents - set global settings like GPS, Bluetooth, Airplane mode. - Configure password policy and user accounts on device Relevant experience in the same field is imperative. Strong knowledge of Android development, DPC, Android enterprise, MDM, UEM, EMM, etc is required. I want to get trained on these topics.

I am in search of a skilled Vue.js developer to create a brand new web application. This project requires the following: - **Vue.js Expertise**: The ideal candidate will have a solid understanding of Vue.js, and be able to demonstrate experience with building applications from scratch. - **API Integration**: A key part of this project will be integrating the application with APIs. The developer should be proficient in working with various types of APIs. - **Mobile Responsiveness**: The application must be mobile responsive, so it is crucial that the developer has a strong understanding of responsive design principles. The successful candidate will have a good eye for design, be able to translate requirements into code, and be a clear communicator...

...conversion is to enhance the graphics and optimize the overall performance of the client. Key Aspects: - Improve Rendering Speed: The client should be able to render game elements swiftly without any lag or delays. - Enhance Resolution and Texture Quality: I aim to make the game visually appealing by upgrading the resolution and texture quality. - Ensure Frame Rate Stability: It's crucial that the client maintains a stable frame rate throughout the gameplay. Ideal Skillset: - Proficiency in Java: Since the current client is based on Java, it's essential that you possess strong Java programming skills. - Experience with Game Development: A background in game development is highly preferred to understand the unique requirements of this projec...

As a client in need of a robust solution for vote verification and authentication for both specific elections and ongoing voting processes, I am looking for an outstanding developer to create a decentralized application (Dapp). Key Features Required: - Vote Verification: The Dapp should necessitate vote verification to ensure the legitimacy of each vote. - Voter Authentication: Each voter needs to be authenticated to prevent fraudulent voting. - Blockchain-Based Record Keeping: Leverage blockchain technology to guarantee the transparency and immutability of the voting record. User Interface: The user interface should be both simple and intuitive, designed for accessibility for all types of users, promoting inclusivity and user engagement. ...

I'm looking for an expert mechanical designer to create a detailed design of an attachment for a filament winding machine. The purpose of the attachment is to automate fibre cutting and retying to improve product precision and production speed. Here's what you need to know: - This attachment should support two types of fibres. - Each fibre is less than 0.5 mm in thickness. Skills and Experience: - Proficiency in CAD or similar design software - Previous work with filament winding machines or similar machinery - Understanding of fibre materials and their characteristics. Understand automation of the winding process,so that cutting of fibre band and re tying the cut band to the next component to be done

I'm in need of an experienced OCR Developer to build an OCR system that will be primarily used for document processing. The system should be able to process various types of documents including printed documents, handwritten notes, and scanned images. Key requirements for the project include: - Develop the system using Python, Java, and C# - Ensure that the system can accurately extract and process text from different types of documents - Implement a reliable method for processing printed documents, handwritten notes, and scanned images - Provide a user-friendly interface for uploading and retrieving documents Ideal candidates for this project should have: - Proven experience in developing OCR systems - Expertise in Python, Java, and...

I need an experienced system administrator with a st...identified issue is that the remote SSH server is configured to allow/support weak key exchange (KEX) algorithms. I would like the freelancer to: - Conduct a thorough investigation to identify all weak KEX algorithms present on the server - Implement the necessary fixes to remove these weak KEX algorithms Additionally, I'd like the system admin to upgrade the Nginx server on my Linux operating system to enable Transport Layer Security (TLS) 1.2. Ideal skills and experience for this job include: - Proficiency in Linux system administration and security - Strong knowledge of SSH server configuration and KEX algorithms - Experience with Nginx server configuration and TLS implementation - An under...

I'm in need of a website developer with a flexible skillset, considering the purpose and type of the website and design preferences were not specified: - Since the type of the website wasn't chosen, it's likely that we may have to go through a few iterations before landing on the final product. You should have experience with developing a variety of website types including but not limited to E-commerce, blogs, and portfolio websites. - The purpose of the website is also open-ended, so freelancers with a background in creating websites that serve multiple purposes such as sharing information or content, selling products or services, and showcasing portfolios or projects would be ideal for this task. - In terms of design, you...

I want a skilled PHP developer with experience in form handling to create a script for me that will block a form's submit button until certain conditions are met. Key Requirements: - The button should only become active if the user types in any text. This means if the form is left blank or a field is left empty, the button should stay inactive. - After clicking the button, if the conditions are not met, I want an error message to be shown to the user. This is to ensure that they understand what is expected before the form is submitted. The form is working inside an wordpress website but was made with php