💡 .NET Core Tip: Boost Performance with Custom Gzip Compression Middleware Enhancing your application's performance is crucial, and one effective way to do this is by compressing HTTP responses using Gzip. Custom middleware in .NET Core makes it easy to implement Gzip compression, reducing the size of your responses and speeding up data transfer. Benefits: - Improved Performance: Faster load times for your users by reducing the amount of data transferred. - Reduced Bandwidth Usage: Lower data usage, which can be especially beneficial for mobile users. - Enhanced User Experience: Quicker response times lead to happier users and better engagement. Example: // Custom middleware to compress responses using Gzip public class GzipCompressionMiddleware { private readonly RequestDelegate _next; public GzipCompressionMiddleware(RequestDelegate next) { _next = next; } public async Task InvokeAsync(HttpContext context) { var originalBodyStream = context.Response.Body; using (var compressedStream = new MemoryStream()) using (var gzipStream = new GZipStream(compressedStream, CompressionLevel.Fastest)) { context.Response.Body = gzipStream; await _next(context); context.Response.Body = originalBodyStream; compressedStream.Seek(0, SeekOrigin.Begin); await compressedStream.CopyToAsync(originalBodyStream); } } } // Register the middleware in the Startup class public void Configure(IApplicationBuilder app) { app.UseMiddleware<GzipCompressionMiddleware>(); // Other middleware registrations app.UseRouting(); app.UseEndpoints(endpoints => { endpoints.MapControllers(); }); } By implementing custom Gzip compression middleware, you can significantly enhance your application's performance and provide a smoother experience for your users. Keep optimizing and happy coding! 🚀

🚀 C# Tip: The Power of the nameof Expression In C#, the nameof keyword is a simple yet powerful tool introduced in C# 6.0. It allows you to get the name of variables, types, methods, or members as a string, and the best part is, it works at compile time, not runtime. (csharp tip) 🔑 Key Benefits of nameof: - Avoid Magic Strings: The nameof expression helps you eliminate hardcoded strings that represent program elements. This ensures your code is less prone to errors and is much easier to maintain. For example, if you rename a variable or method, the compiler will catch mismatches instantly. - Enhanced Code Readability: Using nameof makes your code clearer. Instead of using arbitrary strings, it explicitly tells you which element you are referring to, improving the overall readability of your code. - Improved Performance: Since nameof is evaluated at compile time, there’s no additional runtime cost, making your code slightly faster when compared to using magic strings. 📚 Example: public class Employee { public string Name { get; set; } public void DisplayEmployeeInfo() { // Using nameof for method name Console.WriteLine($"Method: {nameof(DisplayEmployeeInfo)}"); // Using nameof for property name Console.WriteLine($"Property: {nameof(Name)}"); } } In this example, using nameof ensures that the property and method names are always in sync with the actual code, making the code more maintainable and less error-prone. 🔍 Why Use nameof in Your Code? - No more worrying about mismatched strings. - Easier refactoring when renaming methods or variables. - Clearer, more readable code. 💬 Have you used nameof in your projects? Feel free to share your thoughts or examples in the comments!

C# Tip: Why You Should Always Seal Your Classes Here’s a CSharp, tip I often share: Seal your classes by default. In C#, classes are inheritable unless explicitly marked as sealed. When a class is sealed, it means no other class can inherit from it. This is a simple but effective way to control your class design. I personally recommend sealing all classes unless you specifically need inheritance. Sealing your classes offers two main benefits: 1. Better Control: Sealing prevents any accidental or unwanted inheritance, making your code more predictable. 2. Improved Performance: When a class is sealed, the Just-In-Time (JIT) compiler can optimize your code better since it knows the class will never be extended. Example: public sealed class MyClass { public void DisplayMessage() { Console.WriteLine("Hello, world!"); } } In this example, MyClass is sealed, so it can't be inherited by any other class. By sealing your classes, you ensure better design and slight performance improvements. So, unless inheritance is necessary, always seal your classes. What do you think? Let me know in the comments below! 👇 If this tip was helpful, follow me for more daily C# insights!

Entity Framework Short Tip! In Entity Framework, both Find and FirstOrDefault retrieve entities but differ in functionality: Find: 1. Looks up an entity by primary key. 2. First checks the local cache (context memory), then queries the database if not found. 3. Efficient for primary key lookups, avoiding unnecessary database calls. FirstOrDefault: 1. Retrieves the first entity matching a condition from the database. 2. Does not check the local cache, always queries the database. 3. Useful for complex queries or non-primary key lookups. Which is better? 1. Use Find for primary key lookups (better performance). 2. Use FirstOrDefault for more flexible, condition-based queries.

How to Prevent Spam in Contact Forms with .NET Core 8.0 MVC – A Step-by-Step Guide Dealing with spam submissions in your lead or contact forms can be incredibly frustrating—especially when you’ve already implemented CAPTCHA and other spam prevention measures. But what if I told you there's a simple yet effective solution that could help you significantly reduce unwanted form submissions? In this post, I’ll walk you through a quick tip for blocking spam in your forms using .NET Core 8.0 MVC. While this solution is tailored to .NET Core, the logic can be adapted to other technologies as well, making it versatile and easy to implement across different platforms. Why Spam Forms Are a Problem Spammers often use automated bots or scripts to find and submit contact or lead forms on websites, flooding your inbox with irrelevant, sometimes harmful, content. CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) has been a popular solution for this, but it’s not foolproof. Bots are becoming smarter and can sometimes bypass CAPTCHA mechanisms. Luckily, there’s a much simpler method to keep spammers out while ensuring legitimate visitors can still submit forms without a hitch. The Simple Trick: Adding a Hidden Field The solution? A hidden input field. It’s a basic technique that prevents bots from submitting forms, as they typically “fill out” all fields, including hidden ones. By checking if this field is empty when the form is submitted, you can easily determine whether it was filled out by a bot or a human. Let’s take a look at how to implement this in a .NET Core 8.0 MVC application. Step 1: Build the Contact Form Here’s a basic contact or lead form that users can fill out. This example uses .NET Core MVC syntax: <form asp-action="contact" asp-controller="home" method="post"> <input class="form-control" type="text" maxlength="255" asp-for="FullName" placeholder="Your Name" required> <input class="form-control" type="email" maxlength="255" asp-for="Email" placeholder="Your Email" required> <input class="form-control" type="text" pattern="^[0-9]*$" maxlength="15" asp-for="Phone" placeholder="Your Phone with Country Code"> <textarea class="form-control" asp-for="Message" cols="40" rows="5" maxlength="1000" placeholder="Your Message" required></textarea> </form> Now, let’s add a hidden field to this form: <input class="additional-note" type="text" style="display:none;"> Step 2: Implement the Spam Check Logic When the form is submitted, we check whether the hidden field is filled out. If it’s empty, the submission is likely from a human. If it's not, it’s probably a bot, and we can discard the submission. In the controller, add the logic to handle this check: [HttpPost("contact")] [ValidateReCaptcha] public async Task<IActionResult> Contact(LeadModel model) { if (!ModelState.IsValid) return View(); try { bool result = await _contactService.SaveLead(model); TempData["success"] = result ? "We have received your request, and we'll get back to you shortly!" : "Sorry, we couldn't process your request."; return RedirectToAction("contact", "home"); } catch (Exception ex) { TempData["fail"] = "Sorry! Something went wrong while processing your request."; _logger.LogError(ex, $"Error occurred while saving lead - {Helper.Dump(model)}"); } return View(); } Step 3: Business Logic Service In the business logic service, we need to ensure that the lead is saved only if the hidden field is empty (indicating it wasn’t filled out by a bot): public async Task<bool> SaveLead(LeadModel? leadModel) { if (leadModel == null || !string.IsNullOrWhiteSpace(leadModel.RepeatLead)) return false; // Discard leads where the hidden field is filled out (likely spam). var lead = _mapper.Map<Lead>(leadModel); return await _contactRepository.SaveLead(lead); } How It Works: Bots vs Humans: Bots usually fill out all fields, including hidden ones, whereas humans won’t interact with hidden fields. Quick Spam Detection: If the hidden field is filled out, we treat the submission as spam and reject it. Seamless User Experience: Legitimate users can still submit the form as usual without any interruption. Why This Works Spammers use automated scripts to find and submit forms, but they don’t know about hidden fields that are intentionally left blank. This simple trick helps filter out spam without adding extra layers of complexity or affecting user experience. Plus, it’s incredibly easy to implement with .NET Core MVC. Conclusion: A Simple Yet Effective Spam Prevention Solution Implementing a hidden field in your forms is a quick and effective way to fight spam without over-complicating things. This approach works across various technologies, so feel free to adapt it to your tech stack. By using this method, you can keep your contact forms clean and only receive genuine submissions. 💪 What Do You Think? Have you tried similar techniques to block spam in your forms? What methods have worked best for you? Share your thoughts in the comments below! Also, feel free to share this post with anyone who might benefit from a spam-free experience on their website. Let’s keep our forms secure and user-friendly!

🚀 C#/.NET Tip - Const vs Readonly 💡 💎 Understanding the Difference Between const and readonly in C# 🔹 Const: Constants are static by default. They must be assigned a value at compile-time. Can be declared within functions. Each assembly using them gets its own copy of the value. Can be used in attributes. 🔹 Readonly: Must be assigned a value by the time the constructor exits. Evaluated when the instance is created. Static readonly fields are evaluated when the class is first referenced. Example: public class MathConstants { public const double Pi = 3.14159; public readonly double GoldenRatio; public MathConstants() { GoldenRatio = (1 + Math.Sqrt(5)) / 2; } } Explanation: Pi is a const and its value is fixed at compile-time. It cannot be changed and is the same across all instances. 2. GoldenRatio is a readonly field, which is calculated at runtime when an instance of MathConstants is created. This allows for more flexibility as the value can be set in the constructor. This example highlights how const is used for values that are truly constant and known at compile-time, while readonly is used for values that are determined at runtime but should not change after being set. I hope this helps! 😊

The open positions as of today 07 Feb 2025 are (How to apply is mentioned below): Client: Infosys Position Name: Oracle OAF Experience: 5 years Location: Remote Rate: Contact for rate and payment terms Position Name: Oracle E-Business Suite ERP Developer Experience: 5 years Skills Required: Minimum 5 years of role experience as Oracle EBS Techno Functional consultant. Experience in designing and developing financial solutions on Oracle eBusiness Suite R12 platform, with focus on Procure to Pay (P2P), Record to Report (R2R), and AR modules and global rollouts. Extensive hands-on development and functional experience and proficiency in SQL and PL/SQL, Oracle Workflow, BI publisher, AME, Oracle Forms, Oracle Reports, UNIX Shell scripts, Java, and OA Framework. Experience in system integration and familiarity with enterprise application integration (EAI) technologies. Experience and knowledge of Oracle modules, Apache/IIS, WebLogic application server, and other middleware platforms would be a plus. Experience in SAP Concur and Ariba application would be a plus. Extensive development knowledge of Oracle eBusiness Suite R12 (Account Receivable, Purchasing, Payables, Payments, EBTax, Cash Management, Fixed Assets, General Ledger, Sub ledger Accounting, XML Gateway, System Administration, TCA Architecture) and related systems. Experience in and understanding of the software development lifecycle and methodologies and Finance operations (accounts payable, sourcing, accounting, financial internal controls) business process knowledge in a global setting. Location: Bangalore Rate: Contact for rate and payment terms Position Name: Big Data Engineer with Airflow, Python Experience: 5+ years Location: Bengaluru Rate: Contact for rate and payment terms Position Name: Oracle E-Business Suite (ERP) Test Engineer Experience: 5+ years Skills Required: ERP Software Test Engineer will play a key role to partner with the application Support and Development teams for SAP Ariba, SAP Concur, and Oracle ERP (Oracle eBusiness Suite R12- Purchasing, Accounts Payables, General Ledger, EBTax, Fixed Assets, and Accounts Receivables) and other Finance applications. ERP Software Test Engineer will be performed against global initiatives, enhancements, and day-to-day operational Production defects. Tasks include creation of Test Plans, Test Case Creation, Test Data Creation, Manual Testing, Issue Management Resolution, and Documentation. Ability to comprehend complex Business requirements and technical solutions, mapping into Test Cases, and Test Scripts. Manage defects from identification to completion. Assist to standardize reporting and metrics on deliverables by the QA team, including defect logging and status reporting. ERP Software Test Engineer is expected to create SQL queries against database to troubleshoot, create ad-hoc reporting as needed. Work with limited direction, usually within a complex environment, to drive delivery of solutions and meet service levels. Able to work on multiple projects and initiatives with different/competing timelines and demands. Location: Remote Rate: Contact for rate and payment terms Position Name: Database & Middleware Engineer/Administrator Experience: 4+ years Skills Required: Provide administration support for various databases, including MS SQL Server, MySQL, and Postgres, ensuring smooth operation and quick issue resolution. Assist in the support and maintenance of Applications/Middleware and Platforms, including troubleshooting, patching, backups & recovery, and system updates. Regularly perform system maintenance tasks, including provisioning, installing, patching, securing, and auditing databases, middleware, and platforms to ensure optimal performance and compliance. Location: Remote Rate: Contact for rate and payment terms Position Name: Identity and Access Management (IAM) Consultant Experience: 5+ years Skills Required: This role will require technical knowledge on automation of application IAM data / Access Control List (ACL) into our IAM Governance tool (setting up automated IAM datafeeds through direct database connectivity, proxy sFTP service, other third-party data aggregator tools, etc.). This role requires a deep understanding of the IAM related risks and the relevant mitigating/compensating IAM controls and policies, including control attestation, control testing, and control artifact validations. This position is specialized in providing the end-to-end IAM life cycle including but not limited to the technical application enrollment into the centralized IAM Governance infrastructure, IAM services (weekly access data load into SailPoint, Access provisioning, access deprovisioning, rogue access remediation, orphaned access remediation, Separation of Duties (SOD) remediation, transfer/mover user access reviews, user access revalidation, non-user account credential rotation governance, etc.). Act as the IAM point of contact for a set of assigned applications and manage the enterprise end-to-end IAM lifecycle for these applications. This role will also require analytic skillsets on big data analytics, dashboarding, database query, etc. Location: Remote Rate: Contact for rate and payment terms Position Name: Data Platform Engineer Experience: 6+ years Skills Required: Cloud data platform engineer who designs, builds, and manages data storage and workflows in cloud environments. They ensure that data is secure, accessible, and processed efficiently. Data Platform Management and Optimization - designs, builds, and manages data storage and workflows/compute in cloud environments. Location: Remote Rate: Contact for rate and payment terms Position Name: Java Developer with Spring Boot & Microservices Experience: Total: 8+ years; Relevant: 5+ years Skills Required: Experience in the development of production-grade applications and services in Java. Hands-on development experience in Java 8, Spring Boot, Microservices. Good knowledge of Java 8 features - Collections, Generics, Authentication, Rest API, multi-threading. Location: Bangalore Rate: Contact for rate and payment terms Position Name: Oracle XStore Experience: 10 years with 7 years relevant Skills Required: Oracle DB, SQL, Core Java, Oracle Xstore Suite, XML Location: Pune, Chennai Rate: Contact for rate and payment terms Position Name: Java Developer with SpringBoot & Microservices Experience: 6+ years (Relevant Experience) Location: Chennai Rate: Contact for rate and payment terms Position Name: Java Developer with SpringBoot, Microservices, Kafka, SQL Experience: 6+ years (Relevant Experience) Location: Chennai, Bangalore, Hyderabad Rate: Contact for rate and payment terms Position Name: Scala Developer (pure Scala profile) Skills Required: Programming Language: They primarily use Scala, a language that combines functional and object-oriented programming paradigms. Responsibilities: Design application architecture, write clean Scala code, debug issues, test applications, optimize performance, collaborate with other developers, and ensure application scalability. Typical Applications: Big data processing, distributed systems, web applications, financial systems requiring high-performance transaction processing. Location: Pune, Kolkata, Hyderabad Rate: Contact for rate and payment terms Position Name: Python Lead Experience: 8+ years (relevant 7+ years) Location: Pune, Bangalore Rate: Contact for rate and payment terms Client: Cybage Position Name: Python + DevOps (SRE) Experience: 4-9 years Skills Required: Working experience & knowledge in Python along with SRE; familiarity with Jenkins/CloudBuild, Ansible, and Cloud Computing platforms. Familiar working with containerization technologies such as Docker and Kubernetes. Location: Pune-Hybrid Rate: Contact for rate and payment terms Client: QIncline Position Name: Sr. Automation Test Engineer (Java with Selenium) Experience: 8-9 years Location: Bangalore Rate: Contact for rate and payment terms Position Name: Oracle BRM Experience: 5-6 years Skills Required: Legacy to Target Mapping to BRM (OCS) - Prepaid System BRM Loading Mechanisms and previous experience worked on pin_bulk_loader (CMT Tool). Real-Time Data Loading. Fallout Scenarios: Scenario how to fix in case of Data failure, System Performance Issue, Synchronization Issues, TPS limit or any metrics to be followed based on previous migration experience, Data export method to follow for Reconciliation, Retry Mechanisms, Error Correction Frameworks, Performance Tuning, Backup and Recovery (Restore) DB. Location: Bangalore/Remote Rate: Contact for rate and payment terms I hope this format works better for you! Let me know if you need any further adjustments. How to apply I have strong relationships with many staffing companies and will be posting multiple job openings daily. Please sign up to receive daily alerts for new job postings. While we are currently developing an online application process, you can follow the steps below to apply in the meantime: Visit my LinkedIn profile: Mayur Lohite LinkedIn Send me a Invite or direct message (DM) with the name of the position you are interested in. Or post your linkedin link in comment so I will send you invite. I will connect you with the respective staffing agency. If LinkedIn didn't worked then just visit our contact page and write position name in first line and send us a message -> Contact Us Thank you for your interest, and I look forward to helping you find your next career opportunity!

Ever heard of the Zip method in LINQ? It's a powerful tool for merging sequences, and it's something every developer should have in their toolkit. Let's dive into how this method can simplify your coding life, especially with the enhancements introduced in .NET 6. What is the Zip Method? The Zip method in LINQ allows you to merge two or more sequences into one. Starting from .NET 6, you can combine up to three collections at once. The resulting sequence will match the length of the shortest collection, ensuring a neat and tidy merge. Why Use the Zip Method? Simplifies Code: The Zip method reduces the need for multiple foreach loops, making your code cleaner and more readable. Customizable Pairing: You can use a result selector to customize how the elements are paired together, giving you flexibility in how you merge your data. Efficiency: By merging sequences in a single step, you can improve the efficiency of your code. A Practical Example Let's look at a simple example using .NET Core: static void Main() { var numbers = new[] { 1, 2, 3 }; var words = new[] { "one", "two", "three" }; var zipped = numbers.Zip(words, (n, w) => $"{n} - {w}"); foreach (var item in zipped) { Console.WriteLine(item); } } In this example, we have two arrays: numbers and words. The Zip method combines these arrays into a single sequence where each element is a combination of an element from numbers and an element from words. The result is a sequence of strings like "1 - one", "2 - two", and "3 - three". Real-world Scenario Imagine you're working on a project that involves merging data from different sources, like combining sales figures with product names. The Zip method can be your go-to solution. It's like making a perfect masala chai, where each ingredient blends seamlessly to create something wonderful. Conclusion The Zip method in LINQ is a versatile and powerful tool that can make your coding tasks easier and more efficient. Whether you're working on a small project or a large-scale application, this method can help you merge sequences with ease. Feel free to share your thoughts in the comments below. If you found this post useful, follow me for more tech insights and don't hesitate to share this with your network! 🚀

Hey Mudmatter community! 👋 Are you looking to make your C# code more readable and maintainable? Named tuples might be just what you need! They allow you to create lightweight, self-descriptive data structures without the overhead of defining a full class. What are Named Tuples? Named tuples in C# provide a way to create a tuple with named fields, making your code more intuitive and easier to understand. Why Use Named Tuples? Readability: Named fields make it clear what each value represents. Convenience: No need to define a separate class or struct for simple data grouping. Immutability: Tuples are immutable by default, ensuring data integrity. Example - Traditional // Traditional tuple var person = ("John", "Doe", 30); // Named tuple var namedPerson = (FirstName: "John", LastName: "Doe", Age: 30); // Accessing named tuple fields Console.WriteLine($"First Name: {namedPerson.FirstName}"); Console.WriteLine($"Last Name: {namedPerson.LastName}"); Console.WriteLine($"Age: {namedPerson.Age}"); Benefits in Action, Improved Code Clarity: // Without named tuples var result = GetPerson(); Console.WriteLine($"Name: {result.Item1} {result.Item2}, Age: {result.Item3}"); // With named tuples var namedResult = GetNamedPerson(); Console.WriteLine($"Name: {namedResult.FirstName} {namedResult.LastName}, Age: {namedResult.Age}"); //Simplified Data Handling: // Method returning a named tuple (string FirstName, string LastName, int Age) GetNamedPerson() { return ("John", "Doe", 30); } Named tuples are a fantastic feature to enhance your C# projects. Give them a try and see how they can simplify your code! Happy coding! 💻✨

🚀 Exciting News for EF Core Users! 🚀 The latest version of Entity Framework Core (EF Core 7) introduces a powerful new feature: Bulk Update! This feature significantly enhances performance when updating multiple records in your database. Let's dive into how it works and see a sample in action. What is Bulk Update? Bulk Update allows you to perform update operations on multiple entities directly in the database without loading them into memory. This is achieved using the new ExecuteUpdate method, which can be a game-changer for applications dealing with large datasets. Why Use Bulk Update? Performance: Reduces the number of database round-trips. Efficiency: Updates multiple records in a single SQL statement. Simplicity: Cleaner and more readable code. Sample Code Here's a quick example to illustrate how you can use the Bulk Update feature: context.Products .Where(p => p.Price > 100) .ExecuteUpdate(p => p.SetProperty(p => p.Discount, 10) .SetProperty(p => p.LastUpdated, DateTime.Now)); Improved Performance: Executes a single SQL update statement. Reduced Memory Usage: No need to load entities into memory. Cleaner Code: More concise and easier to maintain. Conclusion The Bulk Update feature in EF Core 7 is a fantastic addition for developers looking to optimize their data operations. Give it a try and see the performance improvements in your applications!