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The daily ledger

TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

03 Oct 2026 edition

28 articles · 6 sources ·

Top topics: General · JavaScript · React

JavaScript

Check a parsed JSON response before rendering demo items

Validate the structure of parsed JSON before your hackathon demo tries to render its items. A response can contain valid JSON and still have the wrong shape for your screen. A resource list might expect an object with…

Source: DEV JavaScript feed Stavleak
JavaScript

Preserve plus signs and ampersands in demo search URLs

Build search parameters from raw values with URLSearchParams so a plus sign or ampersand in the user's input survives the round trip. A prototype may work with a single word and fail with a team name such as C++ &…

Source: DEV JavaScript feed Stavleak
JavaScript

Keep an older search response from replacing the latest results

Give each search request a sequence number and only render the result that belongs to the latest search. A hackathon demo can look fine when typing slowly. During a presentation, a short query may take longer than the…

Source: DEV JavaScript feed Stavleak
JavaScript

Cancel a demo request when the user leaves its screen

Cancel a screen's pending request when the user leaves it, and keep that deliberate cancellation out of the visible error state. A hackathon prototype may load a resource list when a panel opens. If the user closes the…

Source: DEV JavaScript feed Stavleak
JavaScript

How to Deobfuscate JavaScript in One API Call (No Local Tooling)

Obfuscated JavaScript is everywhere — webpack bundles, obfuscator.io output, malware payloads. Decoding it usually means installing Babel, writing transforms, or pasting into a web tool one file at a time. Here's a…

Source: DEV JavaScript feed gia ly bui
JavaScript

Chainalysis

Chainalysis: Understanding Blockchain Intelligence and Crypto Investigations As cryptocurrency becomes increasingly integrated into the global financial system, blockchain investigation has become an important part of…

Source: DEV JavaScript feed rosario

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