Page 87 - Maxim Mironjuk

Bash ships with a built-in tool for checking whether a TCP port on another host is reachable, through the pseudo file /dev/tcp, with no need for netcat, nmap, or an extra package. For simple reachability checks in monitoring and deployment scripts that is often plenty, but for real security analysis or large network ranges it is the wrong toolset.

Anyone running both AWS and Google Cloud quickly ends up writing two parallel worlds of scripts with different pagination, error handling, and output formats. Bash patterns for the AWS and gcloud CLI unify authentication, retry logic, and JSON processing behind a shared interface instead of reinventing each cloud separately.

Relying on a single universal escaping function puts Magento and Hyvä stores at risk, because HTML, attributes, JavaScript, URLs, and CSS each follow different syntax rules and attack vectors. This article explains why htmlspecialchars alone is not enough, how the Hyvä Escaper class matches the right context, and how Content Security Policy acts as an additional line of defense.

Without bundle analysis, the size of generated Tailwind CSS stays a black box that only becomes noticeable once users complain about slow load times. With the right tools you can measure CSS size, visualize utility usage, and automatically guard against unnoticed growth via CI budgets.

A GraphQL mutation is more than a resolver with side effects. Anyone who doesn't model input types in the schema, writes business logic directly into the resolver, or fails to return errors as a structured response ends up with an API that is hard to test, document, and extend.

Anyone debugging Docker containers with nothing but var_dump and logs is leaving most of the development environment's potential on the table. Xdebug 3 with PhpStorm connects the debugger directly to the container, for real breakpoints, variable inspection and stack traces without a single var_dump().

shallowMount replaces every child component with a stub and only renders the component under test, while mount builds the full component tree. Both functions from Vue Test Utils solve different testing problems, and mixing them up either leaves tests checking too much at once or makes them break on internal details of unrelated child components.

Not every user browses on a fiber connection. Client Hints pass information about network quality and explicit data-saving preferences to the server, so content can be tailored to the actual connection instead of being optimized uniformly for the fastest connection imaginable.

Pinia is not just Vuex 5 under a different name, it is a fundamentally different approach that consistently embraces the Composition API. Anyone who uses Pinia as a mere data store is leaving the potential of store composition, type safe actions and reactive getters on the table. This article shows how to build state management with Pinia in Vue 3 correctly from the ground up.

TTFB has a reputation as a network metric that gets fixed with a faster CDN or a data center closer to the user. In practice, a high TTFB is almost always rooted in the server itself: slow database queries, missing server-side caching, or cold starts in serverless functions. Anyone who genuinely wants to improve TTFB has to break the metric apart into its sub-phases and attack the part that is actually losing time.