Jjaberadam2001insimplyexplained.hashnode.dev·5h ago · 9 min readHow to Use AI for Debugging Without Losing Your Debugging SkillsThis code runs, exits with status 0, prints a success message, and never sends the email: import asyncio async def send_welcome_email(user): await asyncio.sleep(0.1) # stands in for your email p00
Jjaberadam2001insimplyexplained.hashnode.dev·5h ago · 9 min readBinary Search Debugging: Find the Bug in About 10 ChecksThere are 1,000 commits between the last build that worked and the one that doesn't. You can find the broken one in about 10 checks. Most of us spend an afternoon and don't. The reason isn't skill. It00
Jjaberadam2001insimplyexplained.hashnode.dev·1d ago · 9 min readHow to Upgrade Your LLM Without Breaking Your PromptsSooner or later you'll get an email that says the model your feature runs on has a retirement date. On Anthropic's platform, for example, publicly released models get at least 60 days' notice, and aft00
PKPatrick Kearnsinfullstackcity.com·1d ago · 13 min readUnicode Bugs That Look Like Business Logic BugsA customer import creates a duplicate that looks identical to an existing record. A display name fails a length check even though the user can count fewer characters than the form allows. A reference 32DB
SWshenghua wuintoolpantry.hashnode.dev·1d ago · 9 min read208 file tools that never upload your files — and the 7 bugs that taught us howDisclosure: I build Tool Pantry with AI coding agents, and this article was drafted with AI assistance from my own engineering notes and test logs. Every technical claim below — file sizes, byte count00
SBSrdan Borovicinsrdan.hashnode.dev·1d ago · 8 min readHow to Tell If an Online Coding Course Is Worth the PriceA practical checklist before you hand over your card details A few years ago, I bought a $200 JavaScript course at 1 a.m. The landing page had a countdown timer, a smiling instructor, and a promise of00
Jjaberadam2001insimplyexplained.hashnode.dev·2d ago · 9 min readTimeouts Don't Cancel Work: Deadlines, Cancellation, and the Unknown OutcomeHere's a pattern that shows up in a lot of codebases: try { const res = await fetch(`${PAYMENTS}/charge`, { method: "POST", body: JSON.stringify(order), signal: AbortSignal.timeout(5000)00
EEveindispatch-blog.hashnode.dev·3d ago · 10 min readFix HTTP 429 in Python Requests Without Retrying POST by AccidentA Python data collector can run for an hour and then suddenly produce “429 Too Many Requests.” The usual emergency fix is a loop that sleeps for one second and repeats the HTTP call. That can make the01O
AHArnold Holminstratcorealpha.hashnode.dev·2d ago · 4 min readWhy does MT4 OrderSend return error 138 with a valid signal?Your correct signal still produced no entry: my stale quote returned -1 with error 138. The same simulated BUY accepted the current quote and returned ticket 1. I changed the price used by the request00
FFeasibilityproinfeasibilitypr.hashnode.dev·4d ago · 10 min readTesting Financial Calculations in Python: Invariants, Edge Cases, and Reliable ResultsFinancial calculations can produce plausible numbers even when the underlying implementation is wrong. A discounting function might mishandle the initial cash flow, a rounding operation might introduc00
