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Founder's blog

Blog by Alex Yumashev, founder and CEO of Jitbit Software, the company behind Jitbit Helpdesk

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Latest posts

Cancelling Cursor

I've been a Cursor fan - and a paying customer - for years. I still remember the first time I tried that magical tab-completion, the "shut up and take my money" moment 2 years ago. But it's getting harder and harder to justify the subscription. TLDR Cursor is: always stuck on an old VSCode version (months behind, breaks extensions) shoving the Agent window in my face every other update, and the…

AI is a feature, not a product

About a year ago I wrote a piece called "Will AI destroy B2B SaaS?" . In it I basically cried doom over the whole industry. "Build vs. buy has flipped", "LLMs default to the big names", "the SaaS graveyard is about to get crowded", I give it 4 years etc. I was wrong. Well, half-wrong. Let me explain. TL;DR AI won't kill SaaS because building even an internal CRUD tool still requires an analytical…

I asked Claude Code to remove Jquery. It failed miserably.

Disclaimer: this is a rushed angry rant with F-bombs all over. I had a rough day alright. If explicit language is an issue, please skip the read. Also for context - I'm a heavy AI user and my productivity has genuinely gone up 10x thanks to these tools. But fuuuuuuu.... Big parts of our app still use jQuery (oh shut up) and we're migrating away from it. Nothing ambitious, just replacing DOM…

Don't Just Ban IPs - Send the Damn Abuse Report

I just finished dealing with a Digital Ocean IP address that sent half-a-million requests to our network and this got me thinking... Remember when we used to send abuse reports? You'd spot some shady traffic - and fire off an email to the host. Fast, easy, and effective. Now? Nobody does it. We just shrug and block. Here's the thing: abuse reports still work (shocker). I know becasue we get them…

Will AI destroy B2B SaaS?

Everyone worries about AI taking developer jobs, but what if AI wipes out the entire off-the-shelf software industry? TL;DR The "build vs. buy" equation has flipped. Businesses used to buy SaaS because it was cheaper than building their own. AI has changed that—building your own is now more affordable than ever. The discovery problem. AI recommendations default to well-established solutions. Think…

Zen Browser review and benchmark vs Chrome, Brave, Firefox and Safari

I'm looking for a new daily driver browser on my Mac. Chrome is a non-starter for me due to privacy concerns (Google's tracking empire is alive and well), and Edge is just... too much. Every update shoves another set of “features” down my throat — Copilot, discount coupons, Bing nonsense — things I have to disable again and again. No thanks. I currently use Brave and I really want to like it, but…

No, Wall Street, DeepSeek is not "far superior"

I mean, it is! But the whole story about the stock market reacting to the news about DeepSeek V3 and R1 is a fine example of the knee-jerk nature of mass consciousness in the era of clickbait economics. Briefly, by points: No, DeepSeek isn’t “head and shoulders above” every other model. The results vary across benchmarks, but on average, GPT-4o and Gemini-2 are better. You can see this on ChatBot…

I'm finally dumping Visual Studio

I've been a C# developer for 20 years and I've had enough. After two decades of working with the "big" Visual Studio, I'm effing fed up. It's buggy, slow, and frustrating, and I've decided to make the switch to Visual Studio Code which I only used occasionally until now. While I'm still unsure if I can replicate every aspect of my workflow in VS Code, I'm willing to give it a shot — and so far,…

Please stop using Any() for C# Lists and Arrays

When it comes to performance in C#, even small inefficiencies can add up in large codebases. One common example is the use of the LINQ method .Any() on arrays and lists instead of directly checking .Length or .Count . While .Any() improves readability in some contexts, it introduces measurable overhead when used with collections that already expose a count property. Benchmark Setup Using…

Clearing Nginx Proxy Cache for Wildcard URLs: A DIY Guide

Sometimes you find yourself in a situation where you need to clear the Nginx proxy cache for a specific set of URLs, particularly those following a wildcard pattern like www.website.com/folder/* . Surprisingly, Nginx, in its standard offering, doesn't provide a straightforward way to do this. They probably want you to upgrade to Nginx Plus for such "advanced" features. But fear not! There's a DIY…