Controller Not Detected on PC? A Five-Minute Check Before You Replace It

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Many PC controllers that seem dead are actually fine, and the fault lies with a cable, port, driver, or software holding exclusive access. The guide recommends first swapping the USB cable and trying a rear motherboard port, since some cheap cables only carry power. Next, Device Manager can reveal whether Windows sees an "Unknown USB Device" or a controller that keeps disappearing, which points to a driver or power issue that reinstalling can fix. Tools like Steam or reWASD can also lock a controller, so fully closing them from the system tray may restore detection. Once detected, an online gamepad tester can check buttons, sticks, and triggers, and testing Bluetooth separately or on another PC helps isolate the cause before buying a replacement.

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Why two browser tabs silently overwrote each other, and how version columns and ETags fix it

A developer testing an admin panel found that editing the same product in two tabs caused one change to vanish with no error or log entry. The cause is a lost update: each form saved every field, including stale values, through the ORM's default last-write-wins behavior. Database transactions cannot prevent this when the read and the save happen in separate HTTP requests, since each transaction is individually valid. The proposed fix is optimistic concurrency control, using an integer version column checked in the UPDATE's WHERE clause and exposed to clients through ETag and If-Match headers. A mismatch returns a 412 or 428 response, letting the user review changes and decide whether to reload or overwrite. Counters and inventory can skip this approach by doing atomic arithmetic in SQL.

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ProgrammingDEV Community ·

AI Agents Now Start Over 40% of GitHub Pull Requests, Octoverse 2026 Finds

GitHub's Octoverse 2026 report, released October 28, says more than 40% of pull requests in September 2026 began with a first draft from a coding agent, up from 17% in March. That amounts to about 110 million agent-started PRs in a single month. Agent-involved PRs merged within two weeks at a 90% rate in September, compared with about 86% for those without detected agent involvement. The report measured merges rather than code correctness, so it offers no data on bugs, security issues, or reverts. GitHub also notes the figure is a floor, since it only counts agent use it can detect, and that it refers to pull requests rather than total lines of code.

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ProgrammingDEV Community ·

Stack3 Security Uses TigerGraph to Link Repo, Package, and Wallet Threats

Stack3 Security is a Web3 security platform built at Hacker House Goa for the TigerGraph Open Innovation track. It aims to connect threat signals that are usually investigated separately, such as malicious repositories, suspicious packages, phishing websites, and risky wallet requests. A VS Code extension clones and scans public GitHub repositories in quarantine without executing their code, checking for auto-run configurations, exposed secrets, and risky npm dependencies. A Chrome extension inspects suspicious websites and intercepts wallet requests before they reach MetaMask, while degrading gracefully if unavailable. A central dashboard offers scanning, authentication, and a one-hop threat graph view that shows connected threat intelligence.

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ProgrammingDEV Community ·

Keep etcd peer and client certificate trust separate before scaling a cluster

etcd is a durable control store used by many Kubernetes and platform deployments, and its peer and client connections access the same state. Because a certificate authenticating a cluster member can act with more authority than an ordinary client certificate, treating them as one broad TLS population weakens the cluster boundary. The guidance recommends separating them through distinct certificate profiles, subject alternative names, issuance policies, and allowed peer names, even when a single CA is used. Operators should verify TLS in both directions on every member, map each client certificate to a specific workload with least-privilege access, and test that peer and client certificates are rejected at the wrong endpoints.

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