Blogs - Programming



Kubernetes Blog
- Navigating Failures in Pods With Devices 2025-07-03Kubernetes is the de facto standard for container orchestration, but when it comes to handling specialized hardware like GPUs and other accelerators, things get a bit complicated. This blog post dives into the challenges of managing failure modes when operating pods with devices in Kubernetes, based on insights from Sergey Kanzhelev and Mrunal Patel's talk […]
- Image Compatibility In Cloud Native Environments 2025-06-25In industries where systems must run very reliably and meet strict performance criteria such as telecommunication, high-performance or AI computing, containerized applications often need specific operating system configuration or hardware presence. It is common practice to require the use of specific versions of the kernel, its configuration, device drivers, or system components. Despite the existence […]
- Changes to Kubernetes Slack 2025-06-16UPDATE: We’ve received notice from Salesforce that our Slack workspace WILL NOT BE DOWNGRADED on June 20th. Stand by for more details, but for now, there is no urgency to back up private channels or direct messages. Kubernetes Slack will lose its special status and will be changing into a standard free Slack on June […]
- Enhancing Kubernetes Event Management with Custom Aggregation 2025-06-10Kubernetes Events provide crucial insights into cluster operations, but as clusters grow, managing and analyzing these events becomes increasingly challenging. This blog post explores how to build custom event aggregation systems that help engineering teams better understand cluster behavior and troubleshoot issues more effectively. The challenge with Kubernetes events In a Kubernetes cluster, events are […]
- Introducing Gateway API Inference Extension 2025-06-05Modern generative AI and large language model (LLM) services create unique traffic-routing challenges on Kubernetes. Unlike typical short-lived, stateless web requests, LLM inference sessions are often long-running, resource-intensive, and partially stateful. For example, a single GPU-backed model server may keep multiple inference sessions active and maintain in-memory token caches. Traditional load balancers focused on HTTP […]
- Start Sidecar First: How To Avoid Snags 2025-06-03From the Kubernetes Multicontainer Pods: An Overview blog post you know what their job is, what are the main architectural patterns, and how they are implemented in Kubernetes. The main thing I’ll cover in this article is how to ensure that your sidecar containers start before the main app. It’s more complicated than you might […]
- Gateway API v1.3.0: Advancements in Request Mirroring, CORS, Gateway Merging, and Retry Budgets 2025-06-02Join us in the Kubernetes SIG Network community in celebrating the general availability of Gateway API v1.3.0! We are also pleased to announce that there are already a number of conformant implementations to try, made possible by postponing this blog announcement. Version 1.3.0 of the API was released about a month ago on April 24, […]
- Kubernetes v1.33: In-Place Pod Resize Graduated to Beta 2025-05-16On behalf of the Kubernetes project, I am excited to announce that the in-place Pod resize feature (also known as In-Place Pod Vertical Scaling), first introduced as alpha in Kubernetes v1.27, has graduated to Beta and will be enabled by default in the Kubernetes v1.33 release! This marks a significant milestone in making resource management […]
- Announcing etcd v3.6.0 2025-05-16This announcement originally appeared on the etcd blog. Today, we are releasing etcd v3.6.0, the first minor release since etcd v3.5.0 on June 15, 2021. This release introduces several new features, makes significant progress on long-standing efforts like downgrade support and migration to v3store, and addresses numerous critical & major issues. It also includes major […]
- Kubernetes 1.33: Job's SuccessPolicy Goes GA 2025-05-15On behalf of the Kubernetes project, I'm pleased to announce that Job success policy has graduated to General Availability (GA) as part of the v1.33 release. About Job's Success Policy In batch workloads, you might want to use leader-follower patterns like MPI, in which the leader controls the execution, including the followers' lifecycle. In this […]
- Kubernetes v1.33: Updates to Container Lifecycle 2025-05-14Kubernetes v1.33 introduces a few updates to the lifecycle of containers. The Sleep action for container lifecycle hooks now supports a zero sleep duration (feature enabled by default). There is also alpha support for customizing the stop signal sent to containers when they are being terminated. This blog post goes into the details of these […]
- Kubernetes v1.33: Job's Backoff Limit Per Index Goes GA 2025-05-13In Kubernetes v1.33, the Backoff Limit Per Index feature reaches general availability (GA). This blog describes the Backoff Limit Per Index feature and its benefits. About backoff limit per index When you run workloads on Kubernetes, you must consider scenarios where Pod failures can affect the completion of your workloads. Ideally, your workload should tolerate […]
- Kubernetes v1.33: Image Pull Policy the way you always thought it worked! 2025-05-12Image Pull Policy the way you always thought it worked! Some things in Kubernetes are surprising, and the way imagePullPolicy behaves might be one of them. Given Kubernetes is all about running pods, it may be peculiar to learn that there has been a caveat to restricting pod access to authenticated images for over 10 […]
- Kubernetes v1.33: Streaming List responses 2025-05-09Managing Kubernetes cluster stability becomes increasingly critical as your infrastructure grows. One of the most challenging aspects of operating large-scale clusters has been handling List requests that fetch substantial datasets - a common operation that could unexpectedly impact your cluster's stability. Today, the Kubernetes community is excited to announce a significant architectural improvement: streaming encoding […]
- Kubernetes 1.33: Volume Populators Graduate to GA 2025-05-08Kubernetes volume populators are now generally available (GA)! The AnyVolumeDataSource feature gate is treated as always enabled for Kubernetes v1.33, which means that users can specify any appropriate custom resource as the data source of a PersistentVolumeClaim (PVC). An example of how to use dataSourceRef in PVC: apiVersion: v1 kind: PersistentVolumeClaim metadata: name: pvc1 spec: […]
- Kubernetes v1.33: From Secrets to Service Accounts: Kubernetes Image Pulls Evolved 2025-05-07Kubernetes has steadily evolved to reduce reliance on long-lived credentials stored in the API. A prime example of this shift is the transition of Kubernetes Service Account (KSA) tokens from long-lived, static tokens to ephemeral, automatically rotated tokens with OpenID Connect (OIDC)-compliant semantics. This advancement enables workloads to securely authenticate with external services without needing […]
- Kubernetes v1.33: Fine-grained SupplementalGroups Control Graduates to Beta 2025-05-06The new field, supplementalGroupsPolicy, was introduced as an opt-in alpha feature for Kubernetes v1.31 and has graduated to beta in v1.33; the corresponding feature gate (SupplementalGroupsPolicy) is now enabled by default. This feature enables to implement more precise control over supplemental groups in containers that can strengthen the security posture, particularly in accessing volumes. Moreover, […]
- Kubernetes v1.33: Prevent PersistentVolume Leaks When Deleting out of Order graduates to GA 2025-05-05I am thrilled to announce that the feature to prevent PersistentVolume (or PVs for short) leaks when deleting out of order has graduated to General Availability (GA) in Kubernetes v1.33! This improvement, initially introduced as a beta feature in Kubernetes v1.31, ensures that your storage resources are properly reclaimed, preventing unwanted leaks. How did reclaim […]
- Kubernetes v1.33: Mutable CSI Node Allocatable Count 2025-05-02Scheduling stateful applications reliably depends heavily on accurate information about resource availability on nodes. Kubernetes v1.33 introduces an alpha feature called mutable CSI node allocatable count, allowing Container Storage Interface (CSI) drivers to dynamically update the reported maximum number of volumes that a node can handle. This capability significantly enhances the accuracy of pod scheduling […]
- Kubernetes v1.33: New features in DRA 2025-05-01Kubernetes Dynamic Resource Allocation (DRA) was originally introduced as an alpha feature in the v1.26 release, and then went through a significant redesign for Kubernetes v1.31. The main DRA feature went to beta in v1.32, and the project hopes it will be generally available in Kubernetes v1.34. The basic feature set of DRA provides a […]
Stack Abuse
- OTP Authentication in Laravel & Vue.js for Secure Transactions 2025-04-20Introduction In today’s digital world, security is paramount, especially when dealing with sensitive data like user authentication and financial transactions. One of the most effective ways to enhance security is by implementing One-Time Password (OTP) authentication. This article explores how to implement OTP authentication in a Laravel backend withOjekudo Oghenemaro Emmanuel
- Securing Your Email Sending With Python: Authentication and Encryption 2024-09-19Email encryption and authentication are modern security techniques that you can use to protect your emails and their content from unauthorized access. Everyone, from individuals to business owners, uses emails for official communication, which may contain sensitive information. Therefore, securing emails is important, especially when cyberattacks like phishing, smishing, etc.Ivan Djuric
- Using Proxies in Web Scraping – All You Need to Know 2024-09-12Introduction Web scraping typically refers to an automated process of collecting data from websites. On a high level, you're essentially making a bot that visits a website, detects the data you're interested in, and then stores it into some appropriate data structure, so you can easily analyze and access itLeonardo Rodriguez
- Building Custom Email Templates with HTML and CSS in Python 2024-08-20An HTML email utilizes HTML code for presentation. Its design is heavy and looks like a modern web page, rich with visual elements like images, videos, etc., to emphasize different parts of an email's content. Building email templates tailored to your brand is useful for various email marketing purposes suchIvan Djuric
- Changelog 2024-08-17August 2024 August 16, 2024: Added Changelog page. Added feedback modal to tool pages. August 14, 2024: Auto-save tool settings in local storage. August 13, 2024: Fixed logic for displaying login/signup buttons in nav. Added captcha to newsletter signup. August 2, 2024: Added LD+JSON schema markup for tools.Scott Robinson
- Gracefully Handling Third Party API Failures 2024-06-13Software isn't what it used to be. That's not necessarily a bad thing, but it does come with its own set of challenges. In the past, if you wanted to build a feature, you'd have to build it from scratch, without AI 😱 Fast forward from the dark ages of justScott Robinson
- Simplify Regular Expressions with RegExpBuilderJS 2024-06-06Regular expressions are on of the most powerful tools in a developer's toolkit. But let's be honest, regex kind of sucks to write. Not only is it hard to write, but it's also hard to read and debug too. So how can we make it easier to use? In itsScott Robinson
- Guide to Strings in Python 2024-01-25A string in Python is a sequence of characters. These characters can be letters, numbers, symbols, or whitespace, and they are enclosed within quotes. Python supports both single (' ') and double (" ") quotes to define a string, providing flexibility based on the coder's preference or specific requirements of the application.Dimitrije Stamenic
- Behind the Scenes: Never Trust User Input 2023-12-14This article is the first in a series of posts I'm writing about running various SaaS products and websites for the last 8 years. I'll be sharing some of the issues I've dealt with, lessons I've learned, mistakes I've made, and maybe a few things that went right. Let meScott Robinson
- Guide to Heaps in Python 2023-11-15Explore the intricacies of heaps, a tree-based data structure adept at maintaining order and hierarchy. Dive into Python's' heapq module, offering a rich set of functionalities for managing dynamic data sets where priority elements are frequently accessed. Learn how heaps stand out in the world of data structures and their seamless integration in Python.Dimitrije Stamenic
- Guide to Hash Tables in Python 2023-11-09While Python doesn't have a built-in data structure explicitly called a "hash table", it provides the dictionary, which is a form of a hash table. Python dictionaries are unordered collections of key-value pairs, where the key is unique and holds a corresponding value. Thanks to a process known as "hashing"Dimitrije Stamenic
- Guide to Queues in Python 2023-11-08From storing simple integers to managing complex workflows, data structures lay the groundwork for robust applications. Among them, the queue often emerges as both intriguing and ubiquitous. Think about it - a line at the bank, waiting for your turn at a fast-food counter, or buffering tasks in a computerDimitrije Stamenic
- Guide to Stacks in Python 2023-11-02At its core, a stack is a linear data structure that follows the LIFO (Last In First Out) principle. Think of it as a stack of plates in a cafeteria; you only take the plate that's on top, and when placing a new plate, it goes to the top ofDimitrije Stamenic
- Building Resilient Systems: Disaster Recovery Planning in Database Services 2023-10-31In the realm of database offerings, where data is the lifeblood of modern businesses, constructing resilient systems isn't just a best practice; it's a strategic imperative. Disaster recovery planning has become a cornerstone in ensuring the continuity of operations, safeguarding valuable data, and minimizing the impact of unexpected events. ThisGuest Contributor
- Linear Search in Python 2023-10-26Linear Search, also known as Sequential Search, operates by traversing through the dataset, element by element until the desired item is found or the algorithm reaches the end of the collection. Its simplicity and ease of implementation make it a go-to choice for small datasets and lists where items areDimitrije Stamenic
Syncfusion Blogs
- Introducing the Blazor Spreadsheet: Excel-Like Power for Your Web Apps 2025-07-10Unlock Excel-like features in Blazor with Syncfusion Spreadsheet. Enhance your web apps with powerful data management tools.Venkatesh Ayothiraman
- Syncfusion® Document Viewer for VS Code Now Supports Word Documents 2025-07-10Boost your productivity with Syncfusion’s VS Code Document Viewer, now supporting .docx, .doc, and .rtf editing directly in your Visual Studio IDE.Suvetha Venkatesan
- Discover India’s Top Hotel Brands with Stunning .NET MAUI Lollipop Charts 2025-07-09Discover how to create interactive .NET MAUI Lollipop Charts to visualize hotel inventory share in India. Enhance your data visualization skills with step-by-step techniques and practical examples today!Baranibharathi Pandian
- Build Interactive Chat UIs in React: Supercharge Your App Experience [Webinar Show Notes] 2025-07-09Learn to create a real-time React Chat UI with Syncfusion’s Chat component. Follow our guide for dynamic bot responses and responsive design.Carter Harris
- Vertical vs. Horizontal Bar Charts: Optimize Your Data Visualization with Blazor Charts 2025-07-08Learn when to use vertical vs. horizontal bar charts for data visualization. Explore Blazor Charts with code examples for developers. Try now!Durga Gopalakrishnan
- Build a Responsive Flutter Expense Tracker Dashboard with Dynamic Charts 2025-07-08Learn to build a dynamic Flutter Expense Tracker Dashboard showcasing financial insights. This guide covers custom layouts and leveraging Syncfusion® Flutter Charts for powerful data visualization. Track income, expenses, and savings seamlessly.Kompelli Sravan Kumar Kompelli Lakshman
- What’s New in Blazor Diagram – 2025 Volume 2 Updates Unpacked 2025-07-08Discover the latest Syncfusion Blazor Diagram updates in the 2025 Volume 2 release, featuring enhanced routing, UML automation, and smarter diagramming tools.Sarathkumar V
- Cross-Platform Layout Made Easy with the New .NET MAUI DockLayout 2025-07-07Discover how the new .NET MAUI DockLayout simplifies cross-platform UI design. Learn how to build responsive, adaptive layouts faster with intuitive docking and flexible layout controls.Saravanan Madheswaran
- Build a Modern Blazor Customer Support Portal 5× Faster [Webinar Show Notes] 2025-07-04Build a Blazor customer support portal 5x faster with the Blazor UI Kit! Learn how to set up a modern UI using reusable UI blocks, Tailwind CSS, and Syncfusion® components—all showcased in this hands-on webinar.Carter Harris