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ProgrammingDEV Community ·

Four Publisher test files show how a batch conversion run reports REVIEW and FAILED verdicts

Microsoft dropped Publisher from Microsoft 365 on October 1, 2026, and ended support for the perpetual version on October 13, 2026, though the files themselves remain usable. A developer ran the PubAudit tool with LibreOffice 24.2.7.2 on October 19, 2026, against four pre-labelled sample files kept on copies to protect the originals. Two real Publisher files converted successfully but were flagged REVIEW because their extractable text fell below the threshold, suggesting content held in images that needs visual checking. A 48-byte plain-text file with a .pub name was marked FAILED for lacking the required OLE2 header, and a truncated Publisher file was also FAILED after the converter exited without producing a PDF. All four verdicts matched the expectations recorded before the run.

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ProgrammingDEV Community ·

Managed Object Storage Versus Self-Hosting for Marketplace Backup Retention

The article argues that a managed object-storage bucket is usually the safer choice for a beginner marketplace retaining signed documents, unless a team already runs redundant infrastructure, offsite copies, monitoring, and restore drills. It emphasizes that storage is only one part of the problem, since backups must also reflect a consistent application state and respect deletion deadlines. Recommended practice includes tagging each backup run with an immutable identifier, recording a manifest of documents with checksums and deadlines, and writing a completion record only after readback succeeds. A deletion worker can then remove expired copies while keeping a minimal audit trail. The author also cautions that self-hosted storage shifts responsibility for capacity, replication, access control, and offsite copies onto the team.

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ProgrammingDEV Community ·

Reading Crypto Liquidations and Funding Rates as Risk Signals, Not Forecasts

A DEV Community tutorial lays out a workflow for interpreting crypto liquidation data alongside funding rates to gauge leverage stress. It stresses that forced-order dashboards describe positioning pressure rather than serving as buy or sell signals. The guide defines liquidations, funding rates, and open interest, and explains how each reflects where risk sits in the market. It proposes checking short and longer time windows, the long-versus-short split, coin and exchange concentration, and the largest single prints. The author frames the material as informational only and warns that derivatives trading carries substantial risk of loss.

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ProgrammingDEV Community ·

USDT Is Several Distinct Tokens Across Networks, and Registries Should Reflect That

A developer article argues that what wallets label as USDT actually comprises at least three structurally different assets: native USDT issued by Tether, exchange-pegged versions such as Binance-Peg USDT on BNB Chain, and omnichain USDT0 issued by Everdawn Labs. These variants differ in issuer, redemption path, and risk profile, even though they trade at roughly one dollar. The author recommends that token registries record fields such as kind, issuer, and backing, and keep an explicit allowlist of chain and contract pairs to avoid symbol-based misresolution. The piece also highlights Tron's TRC20 fee model, in which transfers consume bandwidth and energy that must be staked or paid for in TRX, and cross-chain USDT moves that are effectively token swaps.

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ProgrammingDEV Community ·

ZoomEye Scan Finds Thousands of Shopware Instances, Highlighting Admin Exposure Risks

A DEV Community analysis reports ZoomEye search results for the German commerce platform Shopware, showing 2,667 title matches, 1,094 on port 443, and 80 certificate matches as of 23 October 2026. The author notes that a single application fingerprint match suggests web-facing titles and certificates do not reliably reveal the underlying product. The piece argues that commerce admin panels hold sensitive customer data and payment provider credentials, making their exposure the key concern rather than storefront counts. Recommended safeguards include restricting administration access to trusted networks, auditing extensions, and securing staging environments and payment credentials. The analysis also suggests monitoring administrative logins for unfamiliar sources.

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ProgrammingDEV Community ·

Multi-Tenant Help Center Retrieval: Node.js Design and Three Citation Checks

A developer guide argues that retrieval design for multi-tenant SaaS help centers should prioritize freshness, control, and citation requirements over the choice of vector database. It recommends separating durable indexed content from live lookups, with every answer traced to a tenant-scoped source. The author proposes an ingest, index, query, and cite pipeline, with logging and alerts at each stage so that wrong answers can be traced to a specific step. A small TypeScript validator is presented that confirms every cited chunk was actually returned for the same tenant. The piece also covers trade-offs between re-indexing frequency, latency, and citation stability, and mentions a runtime capability discovery approach tied to a specific API service.

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ProgrammingDEV Community ·

Solo founder of TalkOctopus weighs open-sourcing its DocSend alternative

The solo founder of TalkOctopus, a platform for sharing documents and tracking engagement similar to DocSend, is considering an open-core model or fully open-sourcing the application. The main goal is to build trust with users. The founder's main concern is losing competitive advantage. The founder has asked for firsthand accounts from others who have open-sourced a SaaS product about what worked well.

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ProgrammingDEV Community ·

Rebuilding AWS Cloud Skills on Azure: A Week of Lessons in Networking and Cost Control

A developer spent a week recreating familiar AWS architecture concepts on Microsoft Azure, starting with cost-conscious VM sizing and regional capacity limits. Subscription quotas on public IPs and forgotten resources, including an idle Bastion host that bills around $140 monthly, caused unexpected failures and cleanup work. The main project was a three-tier Book Review application with a Next.js frontend, a Node/Express API, and a managed MySQL database, each isolated in its own subnet with NSGs controlling traffic. The author debugged a series of issues, including a mistyped load balancer IP, an unquoted password character read as a comment, and a doubled API path, by testing each network hop in sequence. The week reinforced the value of querying the platform directly and critically reviewing instructions.

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ProgrammingDEV Community ·

Ticket tracker switches board views with zero Firestore reads

An open-source ticket tracker called ticket-tracker loads each board's active tickets once and keeps them live, so switching saved views costs no database reads. Firestore cannot OR across fields and would need a composite index for every filter combination, which custom user-defined views would make impractical. Instead, filtering, sorting, grouping and swimlanes run as pure functions in the browser over the loaded tickets. Filters are nested and/or trees over built-in and custom fields, and tokens like 'me' or 'thisWeek' resolve against the viewer when the view is applied. The approach is designed for boards of roughly 5,000 active tickets, or about 5 MB.

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ProgrammingDEV Community ·

Why Cloud Permission Approvals, Not Installs, Often Delay ROSA Projects

A ROSA install cannot begin until the customer accepts marketplace terms, which takes only minutes. The larger delay comes from the STS-based installer role, whose elevated trust policy must be reviewed by the customer's cloud security team. On the author's engagements that review took three to five days, with one customer needing nearly two weeks. The fix was a runbook change making identity and permissions approval a required pre-check before any install starts. The article also stresses separating authentication (who is making the request) from authorization (what that identity may do), a distinction that applies equally across AWS, Azure and GCP.

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ProgrammingDEV Community ·

Developer guide compares AI text-to-speech platforms on latency, cost and voice quality

A DEV Community guide published for 2026 compares the leading text-to-speech platforms for developers building voice-first products. It evaluates criteria such as naturalness, latency, voice diversity, cost and developer experience, noting the trade-offs each involves. The article includes a sample cost calculation showing ElevenLabs priced higher per second than Google Cloud, though Google's latency is described as higher. The piece strongly promotes ElevenLabs as the best overall choice, citing its voice cloning, emotion layers and low-latency model. It also contains a promotional link to the company's trial page.

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ProgrammingDEV Community ·

Candidate Search Retrieval: A 7-Point Release Checklist for Fresh, Citable Results

The article argues that candidate search should be treated first as a retrieval product rather than an LLM feature, with the answer a recruiter needs defined before any system design begins. It proposes a retrieval contract covering candidate identity, matching evidence, tenant scope, recency, and source identifiers. A vector index serves as durable memory for owned content, while live web search covers recent public material, and the two should not silently substitute for each other. The author recommends a two-lane pipeline that filters by tenant and access metadata before ranking, merges results by candidate ID, and labels which evidence came from durable versus live sources. An illustrative TypeScript example shows bounded requests with rate-limit retries, and the article notes the right tooling choice depends on ownership and operating constraints.

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ProgrammingDEV Community ·

Why LLM analytics demos fail in production: metric definitions and permissions

A practitioner building governed conversational analytics on Looker argues that demos of LLMs querying clean warehouse schemas break down at company scale. Different departments define the same term, such as revenue or active customer, in conflicting ways, so a model querying raw tables guesses inconsistently and erodes trust. The author proposes a semantic layer where each metric is defined once in version-controlled code owned by accountable teams, with the model interpreting intent while the layer defines meaning. The article also warns that broad service-account access lets chat interfaces bypass permissions, and recommends that agents inherit the requesting user's access rights, enforced at the data layer rather than through prompts.

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ProgrammingHacker News ·

Chrome launches origin trial for HTML-in-Canvas API

Google has announced an origin trial for a new HTML-in-Canvas API in Chrome, giving developers a way to test the feature before it is widely adopted. The announcement was published on the Chrome for Developers blog. The post describes the trial as an opportunity for web developers to experiment with rendering HTML content within canvas elements. The item drew modest attention on Hacker News, where it received 5 points and one comment. Further details on the API's behavior and timeline are available in the original blog post.

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ProgrammingDEV Community ·

Developer turns GitHub commit streak into a virtual garden that reflects daily coding

A developer found that GitHub's contribution graph did not account for lost streaks on busy days, prompting a different approach. They built Commit Garden, a small app in which a garden's state depends on whether code was pushed that day. The article outlines what the project does, how it works, and a design choice the author favors. The author also shares some limitations of the project and invites readers to comment on whether its withering mechanic feels motivating or stressful.

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ProgrammingDEV Community ·

Spring Boot Validation: Guarding REST APIs Against Invalid Input

This DEV Community tutorial explains how to add input validation to Spring Boot REST APIs using the spring-boot-starter-validation dependency. It recommends placing @Valid before any @RequestBody parameter in controllers, especially for POST and PUT requests where clients send data. The article outlines standard JSR-380 constraints such as @NotBlank, @Size, @Email, and @Min, and shows how they are applied to a Task entity. When validation fails, Spring intercepts the request, throws MethodArgumentNotValidException, and returns an HTTP 400 Bad Request, with custom messages configurable inline or via messages.properties. The author suggests using DTOs in production applications to keep business logic and database layers protected.

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ProgrammingDEV Community ·

Video2Law: a laptop app that infers physics equations from a short video

Two undergraduate students built Video2Law in one day at the Open Scientific Intelligence Hackathon 2026. The app analyses a video of a moving object, such as a swinging pendulum, to derive its equation of motion and identify a conserved energy quantity without being given the formulas. It also measures energy loss from friction and can predict future motion, including hypothetical scenarios like lunar gravity. A feature called Neptune Mode infers a hidden, off-screen pendulum from the visible one's anomalous motion, placing it within half a centimetre in tests. The system relies on classical mathematical methods such as sparse regression, SVD and RK4 rather than neural networks, and is written in Rust, with the authors noting they have so far tested only on simulated rather than real footage.

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ProgrammingHacker News ·

Researchers Demonstrate Complete Bypass of eMudhra's Single-Factor OTP Login

A security researcher has publicly disclosed a method that fully bypasses the one-factor OTP login system used by eMudhra, according to a post shared on Mastodon. The details were posted to Hacker News, where the disclosure drew 56 points and 10 comments from readers. The available source material is a link and discussion metadata, so the exact technical mechanism and scope of the flaw are not described here. eMudhra, a digital signature and identity services provider, has not been confirmed in the source as having responded to the disclosure.

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ProgrammingHacker News ·

LISP Comes of Age: A 1980 Retrospective on the Language

A Hacker News post links to an article titled 'LISP Comes of Age,' originally from 1980, hosted on microship.com. The item received 4 points and 3 comments on the discussion forum. The provided text contains only the link metadata and no article body, so the piece's specific arguments cannot be confirmed. The original 1980 publication date is taken from the headline itself. Readers would need to open the linked article to see its content.

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ProgrammingDEV Community ·

How to turn a GitHub project into resume bullets recruiters find credible

A common resume mistake is listing a project's technologies without explaining the problem it solved or what the author personally did. The author recommends answering three questions: what problem the project addresses, which parts the candidate built, and what evidence a reviewer can verify. Using a hypothetical shift-swap app built for a café, the piece shows how a vague stack-focused bullet can become a specific, checkable one. It also argues that projects without real users can still be presented credibly by describing the engineering, tests, and documented decisions instead of invented metrics. The article closes with a checklist for reviewing project bullets and mentions a free resume-checking tool built by its author.

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