SShortSingh.
TopTechnologyAI & MLStartupsProgrammingScienceBusinessFinanceCrypto & Web3World

Programming

LatestTopDiscussed
0
ProgrammingDEV Community ·

Developer Automates Ebook Pipeline Using Python, LangChain, and GitHub Actions

A developer grew frustrated with the repetitive manual work involved in running an ebook publication and built an automated pipeline to handle it. The system, called Vasuki, uses Python and LangChain to break the content creation process into staged steps — from topic research and outlining to chapter generation, editing, and final output. GitHub Actions serves as the scheduler, triggering workflows for research, generation, publishing, and promotional content preparation. A dedicated website was also built to host and manage the published books rather than relying on third-party platforms. The developer emphasizes that human review and judgment remain part of the process, with automation intended to eliminate repetitive tasks rather than replace editorial oversight.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Adobe Connect Patches Three Critical Stored XSS Flaws Enabling Privilege Escalation

Adobe's September 2026 security release for Connect addresses three critical stored cross-site scripting vulnerabilities — CVE-2026-75684, CVE-2026-75689, and CVE-2026-75697 — each scoring 9.3 on the CVSS v3 scale. Unlike reflected XSS, these stored flaws persist within the application and can execute malicious payloads against any user who later visits an affected page, including administrators. Because the exploit runs within a privileged browser session, it can effectively grant attackers the same permissions as the signed-in user without requiring any authentication. The complete fix is available in Adobe Connect version 12.12, accompanied by Android client version 4.5. A ZoomEye scan identified over 23,600 publicly reachable Adobe Connect instances, highlighting the broad potential exposure across the internet.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

How Computers Represent All Information as Bits: A Developer's Guide

A developer has published the second installment in a nine-part series on computer fundamentals, hosted on DEV Community. The post covers how all digital information is encoded as bits, exploring topics such as binary and hexadecimal systems, signed and unsigned integers, and two's complement notation. It also explains IEEE 754 floating-point representation, which is the reason expressions like 0.1 + 0.2 do not equal 0.3 in most programming languages. The article additionally addresses Unicode and how raw bytes are structured into meaningful data. The full post is available on the author's personal blog at wesleybertipaglia.com.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Why a Scheduled Reminder and a Workflow Trigger Are Not the Same Thing

A scheduled notification firing does not automatically advance or complete an agent workflow — the two are distinct events with separate evidence requirements. Software integrations often blur three different promises: alerting someone, making a workflow ready to run, and actually executing the work. Each promise must be verified independently, since a delivered notification cannot confirm a workflow state change, and a state change cannot confirm task completion. A SQLite-based simulation demonstrates how these boundaries can be made explicit by tracking notifications, phase transitions, and execution records separately. The key takeaway is that developers should define and verify exactly what a scheduled action promises, rather than assuming one level of completion implies another.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Kubernetes Explained: How Containers, Pods, and Deployments Differ

A technical explainer from the DEV Community's Kubernetes Series breaks down three core building blocks of Kubernetes workloads: Containers, Pods, and Deployments. A Container packages an application along with its runtime, libraries, and dependencies, ensuring consistent behavior across different environments. A Pod is Kubernetes' smallest deployable unit, wrapping one or more containers that share a network IP and storage, and are managed as a single unit. Unlike standalone Pods, which do not recover automatically after a crash or node failure, a Deployment acts as a controller that maintains a desired number of running Pods through a ReplicaSet. Deployments enable key operational features such as self-healing, scaling, and rolling updates, making them the standard way to run workloads in Kubernetes.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Engineer builds open-source reference to enforce Kubernetes supply chain security

A software engineer has released an open-source reference implementation called k8s-secure-supply-chain, highlighting a critical gap in container security: most pipelines scan and sign images but clusters rarely enforce those checks at admission. The project demonstrates that if a cluster allows unsigned or unapproved images to run, pipeline security measures amount to little more than advisory suggestions. Running locally via kind with Argo CD, the setup uses tools like Cosign, Kyverno, Trivy, Syft, and Argo CD to enforce policies such as approved registries, valid signatures, SBOM attestations, pinned tags, and resource limits. A key design principle separates CI from the cluster entirely — the cluster independently verifies evidence left in the registry rather than trusting the pipeline directly. The project also includes a deliberate test using a known-vulnerable image to confirm that the Trivy gate actively rejects unsafe builds rather than silently passing them.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Python File Handling Explained: How Beginners Can Save and Read Data

A tutorial published on DEV Community introduces Python file handling to beginners who understand basic syntax but have never worked with persistent data. The guide explains that variables and user input are lost once a program closes, and that writing data to files solves this problem. It walks through Python's built-in open() function using three key modes: 'r' for reading, 'w' for writing, and 'a' for appending without overwriting existing content. The with keyword is highlighted as a best practice, as it automatically closes the file after use without requiring an explicit close call. The tutorial uses simple examples like saving names and scores to text files to demonstrate how programs can retain information across multiple runs.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

5 React Concepts Mid-Level Engineers Must Master to Clear L4 Interviews

A technical guide published on DEV Community outlines five core React concepts that engineering panels commonly test during mid-level frontend interviews for candidates with two to five years of experience. Unlike junior-level assessments focused on basic syntax, mid-level interviews probe deeper topics such as Virtual DOM reconciliation, the Fiber architecture, and React's render and commit phases. The guide also explains why using array indices as keys in lists can silently cause bugs during sorting or prepending, and how stale closures inside useEffect hooks lead to frozen state updates. Two recommended fixes for the stale closure problem include using functional state updaters and synchronizing values via useRef. The article advises developers to structure their answers by demonstrating understanding of React's internal execution model rather than surface-level API knowledge.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

Free open-source tool lets users map and compare their AI outlook

A developer has launched a free, open-source tool called Jev that helps users identify and visualize their personal worldview on AI futures. The tool works by asking a short series of questions, taking only a few minutes to complete. Results are kept private by default, and users can see how their outlook compares with others who have taken the assessment. The creator built the project with the goal of encouraging more balanced and productive conversations about the future of artificial intelligence.

0 comments Read more at Hacker News
0
ProgrammingHacker News ·

Blogger Proposes Skill Guide for Writing Better Hacker News Comments

A blogger has published a guide styled as a 'Skill.md' file aimed at helping users improve the quality of their comments on Hacker News. The post, shared on the Hacker News platform itself, outlines principles and practices for more constructive online discussion. The concept borrows the 'Skill.md' format, a structured document convention used to describe competencies in a given area. At the time of aggregation, the submission had received 9 points but no comments from the community.

0 comments Read more at Hacker News
0
ProgrammingDEV Community ·

Rust Iceberg Client Outpaces Python by Up to 4x in REST Catalog Benchmark

A developer benchmarked two Apache Iceberg REST catalog clients — the Rust client (iceberg-catalog-rest 0.10.1) and the Python client (pyiceberg 0.12.0) — across identical operations on the same tables. Tests were run against a local Apache Polaris instance in Docker, as well as Google BigLake and Microsoft OneLake over the internet. On four lightweight read operations, the Rust client was 1.90x to 4.29x faster than pyiceberg, while the gap narrowed to 1.14x–1.38x on heavier table-level calls where the server does more processing. However, the Rust client supports only 13 of 25 tested catalog endpoints, compared to 21 for pyiceberg, making feature coverage a key consideration alongside speed. The benchmark focused solely on performance and did not validate the correctness of responses from either client.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Rust vs Python Apache Iceberg Clients: Rust Up to 4x Faster on Small Calls

A developer benchmarked two Apache Iceberg REST catalog clients — the Rust client (iceberg-catalog-rest 0.10.1) and the Python client (pyiceberg 0.12.0) — across six shared read operations on local and cloud catalogs. The Rust client was 1.90x to 4.29x faster on lightweight namespace operations, while the gap narrowed to 1.14x–1.38x on heavier table-level calls where server processing dominates. Testing was conducted against Apache Polaris running locally in Docker, as well as Google BigLake and Microsoft OneLake over the internet. The benchmark measured speed only and did not validate correctness; notably, the Python client supports 21 of 25 tested catalog endpoints versus just 13 for the Rust client. The author cautions that a faster client lacking required operations is still the wrong choice, and that timing results varied significantly between runs.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Vite+ Chapter 3: How to Build and Run a Real Project Using the vp CLI

Vite+ is a unified JavaScript toolchain that bundles tools like Vite, Vitest, Oxlint, and Rolldown under a single command-line interface called 'vp'. Developers can install it via a one-line script on any operating system and immediately scaffold new projects using built-in templates for monorepos, applications, or libraries. The 'vp dev' command launches Vite's development server with hot module replacement, while 'vp install' handles package management regardless of whether the project uses npm, pnpm, yarn, or bun. Rather than running separate commands for formatting, linting, and type checking, developers can consolidate all three into a single 'vp check' command. The platform is designed to reduce workflow fragmentation across large teams managing multiple repositories and CI pipelines, without forcing teams to abandon their existing underlying tools.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

How proving a bug's root cause beat guessing in a CameraX Android rotation fix

A developer debugging an Android barcode scanner discovered that rotating a tablet 180° left the camera preview intact but caused the image analyzer to receive upside-down frames. Initial investigation by an AI coding agent suggested waiting for a display rotation value to update before rebinding the camera, but the developer paused and demanded evidence of the true cause instead. Structured logging revealed that while the display correctly updated to ROTATION_270, ImageAnalysis.targetRotation remained stuck at ROTATION_90, leaving ImageProxy.rotationDegrees at zero. With the root cause confirmed, the fix was straightforward: use an OrientationEventListener to update both Preview and ImageAnalysis target rotations together, eliminating any need for delays or camera rebinding. The case highlights how demanding measurable proof before applying a fix can lead to simpler, more reliable solutions.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Alleged Leaked Document Claims NSA Allocated $3.9 Billion for AI Surveillance

A document identified as 'NSA-AI-2023-B' and dated 2023 has circulated online, purportedly revealing a $3.9 billion NSA budget allocated to artificial intelligence development, including $2.4 billion for large language model training and $1.5 billion for GPU infrastructure. The document was published on DocumentLeaks.org and is claimed to have been verified by The Intercept and CyberScoop, though independent confirmation of those verifications has not been established. According to the alleged report, the AI models described could combine call metadata, emails, and social media activity to build real-time behavioral profiles without judicial oversight. The claims have circulated rapidly across security forums and media outlets, raising concerns among privacy advocates about warrantless surveillance and the concentration of computing power within state agencies. The NSA has not publicly commented on the document's authenticity.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Apache Rust Iceberg Client Connects to 5 of 7 Catalogs, Covers 13 of 25 Operations

A developer tested the Apache Iceberg Rust client (iceberg-catalog-rest 0.10.1) against seven Iceberg REST catalogs to assess real-world compatibility for lakehouse tool builders. The client successfully authenticated with five catalogs — Apache Polaris, Google BigLake, Microsoft OneLake, Databricks Unity, and Snowflake Horizon — and completed all 13 supported operations on each. AWS Glue and AWS S3 Tables were the two failures, as both require a request-signing mechanism the client cannot currently produce. The test suite covered 25 of 35 operations defined in the Iceberg REST specification, with results categorized across 33 checks using a structured pass/fail framework. All code, scripts, and results are publicly available on GitHub for reproducibility.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Apache Rust Iceberg Client Connects to 5 of 7 Catalogs, Covers 13 Operations

A developer tested the Apache Iceberg Rust client (iceberg-catalog-rest 0.10.1) against seven popular Iceberg REST catalogs, including Google BigLake, Microsoft OneLake, AWS Glue, AWS S3 Tables, Databricks Unity, Snowflake Horizon, and a local Apache Polaris instance. The client successfully authenticated with five of the seven catalogs, failing only on AWS Glue and S3 Tables due to an unsupported request-signing mechanism. Across all five reachable catalogs, all 13 implemented operations responded correctly, with just two lines added to Cargo.toml enabling those connections. The test suite comprised 33 checks covering 25 of the 35 operations defined in the Iceberg REST specification, using a consistent test table and methodology across all catalogs. The full code and results are publicly available on GitHub, offering a practical compatibility reference for developers building lakehouse tools in Rust.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

How to Build Clear File Upload Flows for SaaS Products

Effective file upload interfaces in SaaS products must communicate three things clearly: what files are accepted, what the system is doing, and whether the upload succeeded. Developers should display format, size, and file count limits upfront — next to the input — rather than letting users discover restrictions only after a failed transfer. Error messages need to be specific and actionable, distinguishing between issues like oversized files, connection failures, or post-upload processing errors. If a file requires scanning or conversion after transfer, that processing step should have its own visible status separate from the upload progress. Before finalising any upload flow, teams should test edge cases including wrong formats, keyboard-only navigation, interrupted connections, and screen reader compatibility.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Benchmarks Hook Constraint Models in Kaggle Challenge Submission

A developer named Shahzeen Anwar submitted a benchmarking project as part of a Kaggle Benchmarking Challenge. The project focused on testing multiple models under hook constraints to evaluate their performance. Key findings and surprising results were documented as part of the submission. The full benchmark code and results are publicly available on Kaggle for review and reproducibility.

0 comments Read more at DEV Community
← NewerPage 923 of 3182Older →