标签：#ADA

Airline-backed venture aims to develop a hybrid-electric commercial aircraft.

Analytical Insights: The Mechanisms Driving Career Growth in Data Engineering In the rapidly evolving field of data engineering, career progression is not merely a product of time served but a result of deliberate, adaptive strategies. A 7-8 year trajectory to a Senior Data Engineer role, marked by multiple successful contracts, underscores the critical role of adaptability and continuous learning. This analysis dissects the mechanisms that propel career growth, highlighting their interdependencies and the consequences of their neglect. 1. Continuous Learning and Skill Development Impact: The pace of technological advancement in data engineering demands constant upskilling. Internal Process: Engaging with new tools, methodologies, and industry trends through online courses, certifications, and hands-on practice ensures relevance. Observable Effect: Enhanced technical proficiency translates into the successful delivery of complex projects and the attainment of senior-level roles. Instability: Skill Stagnation occurs when learning efforts are inconsistent or outdated, leading to reduced competitiveness. This gap between current skills and industry demands can halt career progression, making individuals less attractive to employers seeking cutting-edge expertise. Intermediate Conclusion: Continuous learning is not optional; it is a survival mechanism in a field where obsolescence is a constant threat. 2. Client Relationship Management Impact: Diverse client needs and expectations across multiple contracts require tailored approaches. Internal Process: Implementing tailored communication strategies, proactively aligning project goals, and establishing iterative feedback loops foster trust and collaboration. Observable Effect: High client satisfaction leads to repeat contracts and positive referrals, which are critical for career advancement. Instability: Client Misalignment arises from inadequate communication or misunderstanding of client requirements, resulting in pro

You've done it. You're finally done building the website or application you've been working on for quite a while. Proud and elated, you go to share this on your socials or to your buddies — uh oh, what's this now? The preview in WhatsApp shows no headline, your avatar is cropped and dimensions seem wrong. I've been there too. The site looked fine in the browser. The problem was everything outside the browser: link previews, search snippets, and tab icons all use a separate metadata layer most of us skip until something breaks. So, how do you fix this? Use this as a pre-launch checklist — or run it on a site that's already live but sharing badly. What I ran into on my own portfolio When I ran this audit on shwethaadiraj.com , the site rendered fine — but sharing it told a different story. I had pointed both the favicon and Open Graph image at my profile avatar. At tab size the illustration was unreadable; in link previews it got cropped awkwardly. An OG validator then flagged two things I hadn't considered: the image was 512×512 (most platforms expect 1200×630 ), and there was no headline or CTA on the image itself — so Slack and LinkedIn showed a plain square with none of the context from my meta title. I replaced the favicon with a simplified monogram, regenerated the OG image at the correct aspect ratio with my name, tagline, and site URL on it, and re-ran the debuggers. Even then, previews didn't update until I hit Scrape Again — platforms cache OG data aggressively, so fixes on your end won't show up until you bust that cache. None of this required rethinking the app. It was a metadata pass — the kind of work that's easy to defer and annoying to discover at the share button. Before we get into the specifics, here's a primer on what metadata can actually impact: What is metadata for? Metadata, simply put, is data about data. Search engines, crawlers and social sites all parse different metadata from your app. Search & Discovery: The title and description in your

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The FireSat program can spot wildfires that other satellites miss.

Instagram head Adam Mosseri believes companies will eventually need to manage AI token spending the same way they manage payroll or other operating expenses, predicting that engineers could soon face limits on how much they spend using AI tools.

By some benchmarks, Julia code can run 10X to 1,000X faster than Python—but there’s a reason it’s not a very popular programming language.

HA dashboard cho Postgres replication: vì sao "có replica" không đồng nghĩa "đang HA", và cách để replica chết không âm thầm Streaming replication trong Postgres là một tunnel WAL từ primary sang standby: primary chạy một walsender cho mỗi standby, standby chạy một walreceiver nhận WAL và một startup process replay. Đau nhất trong vận hành không phải setup — mà là replica đã ngắt nhiều giờ mà không ai biết, tới lúc primary chết mới phát hiện HA thực ra là single-node từ tuần trước. HA dashboard là tập metric + alert được rút ra từ pg_stat_replication , pg_stat_wal_receiver , và pg_replication_slots để ép mọi trạng thái xấu — replica disconnect, replay đứng, slot pin WAL, sync standby biến mất — thành tín hiệu nhìn thấy được trước khi biến thành sự cố. Cơ chế hoạt động Trên primary, mỗi standby đang kết nối tạo ra một backend loại walsender — Postgres đọc WAL từ pg_wal/ (hoặc từ WAL buffers khi còn nóng) và stream qua replication connection. Trên standby, walreceiver nhận từng WAL record, ghi vào pg_wal/ local, fsync (tùy synchronous_commit ), rồi startup process apply record lên shared buffers — đây chính là replay. Bốn LSN xuất hiện trong luồng này và tương ứng với bốn cột trong pg_stat_replication : sent_lsn — byte cuối cùng primary đã gửi qua socket. write_lsn — byte cuối cùng standby đã write() vào OS page cache. flush_lsn — byte cuối cùng standby đã fsync xuống đĩa. replay_lsn — byte cuối cùng standby đã replay vào shared buffers (dữ liệu đã "thấy được" trên standby). Postgres docs quy định replay_lsn <= flush_lsn <= write_lsn <= sent_lsn <= pg_current_wal_lsn() — bốn "vạch" này chính là bốn nhịp của lag. Ba cột write_lag , flush_lag , replay_lag (kiểu interval ) là thời gian mà standby chậm hơn primary tương ứng với ba mốc write/flush/replay — được đo qua feedback message định kỳ từ standby. -- Trên primary: bức tranh đầy đủ cho một HA dashboard SELECT application_name , client_addr , state , -- streaming | catchup | startup | backup | stopping sync_state , --

The hacking operations disclosed in a Canadian spy agency's annual report underscores some pressing national security threats facing the country and its top allies.

AWS recently announced Amazon S3 Annotations, a feature that lets teams attach rich, searchable context such as summaries, classifications, compliance data, or AI-generated insights directly to S3 objects. Annotations can be updated independently of the object and queried across datasets, reducing the need for separate metadata systems. By Renato Losio

Cloudflare details Town Lake, an internal unified data platform, and Skipper, an AI analytics agent unifying access to operational, billing, security, and business data. The platform processed ~91K billing queries, with billing forming majority usage. Built on a lakehouse architecture using Trino, Iceberg, R2, and DataHub, it enables governed cross-system analytics and natural language access. By Leela Kumili

Instagram users could soon see more ways to tune their content.

Dai metadati in una lingua a 20 localizzazioni senza impazzire tra click e schermate: un flusso pratico per indie e piccoli team. Localizzare un’app non significa solo tradurre le stringhe dell’interfaccia. Una buona parte dell’acquisizione organica passa dai metadati su App Store Connect : titolo, sottotitolo, descrizione e keyword. Il problema è che, quando provi a farlo “a mano” dal pannello web, diventa subito un lavoro di pura resistenza: apri la scheda, cambi lingua, compili i campi, salvi, ripeti. Ora moltiplica per 10–20 lingue. Per molti indie (e in generale per chi ha poco tempo e zero voglia di click ripetitivi) il punto di svolta è usare ASC CLI per rendere questa attività automatizzabile, ripetibile e verificabile . Perché la localizzazione dei metadati è un caso d’uso perfetto per una CLI Dal punto di vista del flusso di lavoro, i metadati App Store hanno tre caratteristiche che li rendono ideali per l’automazione: Sono campi strutturati (title, subtitle, description, keywords): non stai “inventando” contenuti ogni volta, stai trasformando contenuti. Sono ripetitivi per lingua : la sequenza di operazioni è identica, cambia solo la locale. Sono tanti : più lingue aggiungi, più l’approccio manuale scala male (tempo, errori, incoerenze). Con una CLI, invece, il lavoro si sposta dal “fare cose” al definire un processo : prendi i metadati di partenza, generi le varianti linguistiche, applichi l’update in batch. Cosa conviene localizzare (e cosa no) In genere ha senso includere in un passaggio di localizzazione “massiva”: App name / title (attenzione ai limiti e ai trademark) Subtitle (spesso è la parte più ASO-oriented) Description (qui conta più la leggibilità che la traduzione letterale) Keywords (campo delicato: va adattato, non tradotto alla cieca) Al contrario, è meglio trattare con più cautela: Claim e frasi marketing molto creative : in alcune lingue risultano innaturali se tradotte letteralmente Keyword strategy : la ricerca utenti cambia per mercat

The Canadian pension giant will acquire an 8.2% stake in CtrlS, a tech giant that operates more than 15 data centers across India.

For days after the stunning incident, the ADA had doubled-down on the choice.

Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company's monthly Patch Tuesday cycle. Nearly three dozen of those bugs earned Microsoft's most dire "critical" rating, and exploit code for at least three of the weaknesses is now publicly available.

(The following example is fictionalized.) A notification template feature shipped six months ago. It let each tenant customize the messages sent to their own customers without requiring a back-end change every time the wording changed. The code reviewer could tell the design was hard to follow, especially the path from template to rendered value. But "this is hard to follow" is difficult to turn into a concrete objection when the feature works, the tests pass, and nothing is obviously unsafe or wrong. The design risk was real, but there wasn't an obvious bug to point to. QA signed off, and the feature went into production. Then a bug report came in: one customer had received a notification containing another customer's information. Somewhere in the notification pipeline, the system was leaking PII. At first, the fix sounded small: make sure notifications only render data belonging to the intended recipient. Then the assigned developer, who wasn't the original author, started looking for the place to make the fix. The templates were stored in the database. There were six template types, and each one populated its real values in a different part of the codebase. Some values came from customer-facing records, some came from internal workflow state, and some came from template-specific logic. The placeholder-to-value mapping lived somewhere else. Email and SMS channels shared part of the rendering path, but not all of it. Before the developer could decide where to fix the leak, they had to answer a more specific set of questions: Which placeholder rendered the wrong value? Where did that value come from? Which template types could use that placeholder? Did email and SMS resolve it the same way? What evidence would show that the leak was fully contained? The system was hard to change because it made the behavior hard to understand. What the developer needed was not just "clean code." They needed trustworthy signals they could use as evidence to answer harder questions: w

The Series F round values Coralogix at $1.6 billion and comes less than a year after its previous raise.

A new crop of AI labs are focused on recursive self-improvement — but the goal is proving elusive.

Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a public GitHub account. The inquiry comes as CISA is still struggling to contain the breach and invalidate the leaked credentials.