Seven traps when backing up and moving a database
A backup that restores on a development machine may still fail at the destination. Check versions, secrets, constraints, files and cleanup scope.
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Server optimization: measure first, change second
An internal response around 3 ms does not explain a user's full wait. Separate processing, network time and asset loading before upgrading a server.
Three problems small teams face—and how to tackle them before buying software
Scattered knowledge, repetitive work and missed customer inquiries often need a clearer process before they need another subscription.
Reducing fabricated chatbot answers through application design
An assistant listed six convincing employees who did not exist. Stronger instructions alone were not enough; retrieval and application checks matter too.
A practical website security baseline: seven starting points
Seven checks for a small business website, from password hashing to secret-access logs, with the limits of each check made explicit.
Technology priorities for small businesses in 2026
Three changes that affect decisions in a company of 5–50 people, what to do first, and where the promises need closer scrutiny.
Notifying the team about a customer: Web Push, email or Zalo?
Choose an internal notification channel around devices, responsibility and failed delivery. Push and email complement each other; verify Zalo policy before integrating.
When a CDN helps—and what a quick test cannot tell you
Turning a CDN off and on taught us more about measurement and cache configuration than a simple faster-or-slower verdict.
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