All Blog Posts - Page 7

Building a Dynamic Email Personalization System with Resend, LaunchDarkly, and SQLite

In this guide, we'll build a dynamic email marketing system that personalizes emails for different user segments. We'll use Resend to send emails, LaunchDarkly to control which users receive customized content using feature flags, and SQLite to store and manage user data. We'll also use python-dotenv to securely manage our environment variables, such as API keys.

Amit Jotwani

Introducing A New Way To Quickly and Easily Do Progressive Rollouts In LaunchDarkly

While you can already configure Progressive Rollouts using workflows in LaunchDarkly today, we want to make it even easier for your team to de-risk your software releases. That's why we're excited to introduce a new way to add Progressive Rollouts to your releases.

Steve Zegalia

Upgrade your APIs safely with Progressive Rollouts in a Python FastAPI Application

Tilde Thurium

Launch your next big idea with the Jam.dev Starter Pack

You’re a builder with your next big idea — the only thing stopping you is figuring out which dev tools to use. Don’t get stuck in analysis paralysis; we’ve been hard at work with the Jam.Dev team, alongside other must-have developer tools to bundle everything you need in one neat little package.

Erin Mikail Staples

Disillusioned With The Hype Of Generative AI? How To See Results And Enjoy That Early Optimism Once More

Many leaders have come to believe that generative AI is not the magic elixir some have made it out to be. Taking a look at the Gartner hype cycle, generative AI was recently at the peak of inflated expectations. Now, we’re careening through the “trough of disillusionment”—and fast. While many leaders have become disenchanted with the progress resulting from generative AI, there is a “slope of enlightenment” on the other side.

Dan Rogers

Using LaunchDarkly to target different audience segments within your Python Application

In this tutorial, you will learn how to create different user experiences in a Python application that provides two different playlist examples by leveraging LaunchDarkly's targeting rules and segments.

Erin Mikail Staples

Innovating Safely With Generative AI in Financial Services

Matt DeLaney

Building a Culture of Experimentation: Don't Penalize Measurement

Scott Shindeldecker

Creating customized user experiences using Express JS and LaunchDarkly segment targeting

Tilde Thurium

Using the LaunchDarkly CLI Local Development Server: Testing Client-Side and Server-Side Flags in an Astro Application

In this tutorial you will learn to add a kill switch to disable 3rd-party API calls in a FastAPI application, using the LaunchDarkly Python SDK.

Erin Mikail Staples

Quickly disable external API calls in your FastAPI application using FastAPI and LaunchDarkly kill switch flags

In this tutorial you will learn to add a kill switch to disable 3rd-party API calls in a FastAPI application, using the LaunchDarkly Python SDK.

Tilde Thurium

5 Strategies to De-Risk Software Releases in Financial Services

Matt DeLaney

Change Failure Rate: What It Is & How to Measure

Jesse Sumrak

Understand your software release risk profile with the LaunchDarkly software risk assessment

Megan Moore

Deployment Frequency: What It Is and How to Increase It

Jesse Sumrak

Mean Time to Restore (MTTR): What It Is & How to Reduce It

Jesse Sumrak

Business in the front, party in the back: creating customized user experiences using Fastify JS and LaunchDarkly

Treating every user the same is risky when they may have different goals, dreams, desires, and features they care about. To provide the best experience, you want to customize your website based on what you know about your users. Luckily, LaunchDarkly makes it easy to do just that. In this tutorial, you will learn how to use segment targeting to show users with a .edu email address a student version of your website using LaunchDarkly and Fastify.

Tilde Thurium

LaunchDarkly Tops G2 Grid® for Feature Management in 2024: What You Need to Know

Eric Rubin

De-Risking Software Releases With Progressive Delivery

Steve Zegalia

What’s New In The 2024 Agile & DevOps Gartner® Hype Cycle™: Feature Management, Experimentation, and AI

Every year, Gartner provides a graphic representation of the maturity and adoption of technologies and applications in the Agile and DevOps space, and how they are potentially relevant to solving real business problems and exploiting new opportunities. They call it a Hype Cycle. This methodology is designed to give a view of how a technology or application will evolve over time, providing a sound source of insight to manage its deployment within the context of your specific business goals.  In this year’s report we see feature management, which has been steadily climbing the slope of enlightenment for years, further incorporating experimentation and starting to intersect technologies like GenAI and AI Code Assistants. 

Steve Zegalia

LaunchDarkly Rolls Out an EU Region

Matt DeLaney

How to instantly flip web app styles with LaunchDarkly's JavaScript client library

Discover how to instantly switch web app styles using LaunchDarkly's feature flags in this JavaScript tutorial. Follow along as we transform DJ Toggle’s fan page from a nostalgic 1995 look to a sleek 2000s style, all controlled by a feature flag. Learn to create and manage feature flags, allowing you to update your app’s appearance without redeploying code. If something goes wrong, simply toggle the flag off to revert to the original style, ensuring a smooth user experience. This step-by-step guide emphasizes risk-free feature rollouts, making your development process safer and more efficient. Explore more ways to innovate confidently with LaunchDarkly’s powerful tools.

Erin Mikail Staples

How to instantly roll back buggy features with LaunchDarkly’s JavaScript client library

LaunchDarkly’s kill switch feature flags are a helpful tool to disable features with a single click rather than going through an entire code deployment. In this tutorial, we’ll use LaunchDarkly's kill switch flags in a JavaScript application. We’ll add a new feature to an example application called "DJ Toggle’s fan page", and wrap it in a feature flag to mitigate risk in the rollout process. Additionally, we’ll explore how to roll back features if we encounter pesky bugs.

Erin Mikail Staples

How to mitigate risk with progressive feature rollouts in Python using LaunchDarkly.

“Works on my machine” can be a standard cop-out for remedying problems within your code base. While yes, things can work great in a small silo errr — one device, rolling out features at scale can increase the potential for risk as more users access a new feature or application.  Roll out new features confidently by leveraging progressive rollouts to identify any issues that may occur as you scale.

Erin Mikail Staples