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AI 资讯

What Europe’s heat wave means for the power grid

It’s been hard to look away from headlines about the European heat wave this week. Temperatures are breaking records across the continent, and the weather is threatening lives, shutting down schools, and in one particularly ironic case, forcing the cancellation of a London Climate Action Week event about extreme heat. As the summer ramps up…

2026-06-25 原文 →
AI 资讯

Beyond Vibe Coding: Top AI Builders for Real Data and Workflows

Typing a prompt and getting a beautiful user interface in 30 seconds feels like magic. But the moment you add real users, process payments, or try to handle relational data, that magic often turns into a debugging nightmare. Many founders are hitting the "80% wall." Rapid AI code generators excel at creating stunning prototypes. They build the "dining room" perfectly, but they struggle to architect the "kitchen"—the secure, scalable backend required to run a business. Relying entirely on black-box, AI-generated code leaves non-technical founders with massive "comprehension debt." You end up owning a product that your business relies on, but that you cannot read, debug, or maintain when something inevitably breaks. Getting a prototype is easy; building software is hard. This article breaks down the top AI app builders on the market, separating rapid UI generators from the structured, full-stack visual platforms capable of handling relational databases, complex user permissions, and deterministic workflows. The "Vibe Coding" Trap vs. Real Application Architecture There is a fundamental difference between front-end UI generation and back-end reality. Visual components like buttons, layouts, and animations can be generated probabilistically. However, back-end architecture requires strict, predictable rules. When founders use text prompts to generate entire full-stack applications, they accumulate comprehension debt. If an AI writes thousands of lines of code you do not understand, your startup has a bus factor of zero. Real users frequently report spending weeks building with AI generators, only to realize they have no idea what state their application is actually in. To build an AI app without coding that actually scales, you need a relational database. Relying on flat JSON files or unstructured document stores often leads to the "overwrite trap," where simultaneous user actions silently delete each other's data. A native relational database, like PostgreSQL, enforces

2026-06-25 原文 →
AI 资讯

Monorepo Dependency Security — Vulnerability Scanning Across Packages

A monorepo can look like one repository, but security teams should treat it as many applications living under one roof. One repo may contain 10 frontend packages, 5 backend services, 3 shared utility libraries, 2 mobile apps, and one root lockfile that does not tell the full story by itself. Monorepo dependency security means scanning the root dependency graph, every workspace package, shared libraries, lockfiles, and generated SBOMs. If you scan only one file, you may miss the vulnerable package that ships in production. Why Monorepos Create Unique Vulnerability Challenges Monorepos centralize multiple packages, apps, services, and libraries inside one repository. This improves code sharing, dependency alignment, refactoring, CI caching, and cross-team collaboration. It also creates a security problem: one repository can contain many different dependency trees, owners, deployment targets, and risk profiles. A typical JavaScript or TypeScript monorepo may include apps/web , apps/admin , apps/api , packages/ui , packages/auth , packages/logger , and packages/config . Each package may have its own package.json . Some packages are deployed to production. Some are internal libraries. Some are build-only tools. Some are used by every app. A vulnerability in one package can affect one app, many apps, or the whole repo depending on how dependency relationships are structured. The biggest issue is shared code. If packages/auth depends on a vulnerable version of jsonwebtoken , every application that imports packages/auth may be affected. If packages/ui uses a vulnerable utility such as lodash , every frontend app that consumes that UI package may inherit the same risk. If a build tool dependency is compromised, the risk may appear during CI/CD rather than runtime. Real CVEs show why this matters. CVE-2021-23337 affected lodash through command injection in template handling. CVE-2022-31129 affected moment through inefficient parsing that could cause denial of service. CVE-202

2026-06-25 原文 →
AI 资讯

A Practical Guide to Decomposing Legacy Java Monoliths

How to Decompose a Legacy Java Monolith Without Disrupting Business Operations The Java monolithic applications have been supporting businesses for years. In these applications, the entire business logic, presentation layer, and data access layer are bundled into a single unit. These architectures are functional but hard to scale, maintain, and improve due to changing business needs. An expert Java app development company helps growing organizations in addressing this issue through Java modernization services. Instead of developing a whole software application from scratch, firms can transform their software in stages with the right boundaries. The biggest challenge here is to determine where to make those cuts in a bundle. Poorly chosen service boundaries create operational complexity issues and long-term maintenance problems. Understanding how to identify seams in the monolith application helps in achieving modernization successfully. Let's take a look at what contributes to the success of monolith decomposing and how organizations can approach it wisely. Why Organizations Are Modernizing Legacy Java Monoliths The legacy Java monolith applications were built during a time when monolithic architecture was common. They were optimized for easy deployment and centralized management. But today, businesses require flexibility. This is due to challenges such as Slow release cycles Increasing maintenance costs Limited scalability Complex dependency management Difficult onboarding new developers Growing technical debt These issues have increased the demand for software architecture modernization in business sectors. Modern architecture gives the following advantages to the teams: Deploy features independently Scale services individually Improve system resilience Accelerate development cycles Support cloud-native environments The objective of architecture modernization is to create a technical foundation that supports future business growth. Understanding business goals of

2026-06-25 原文 →
AI 资讯

Optimizing Geofence Transitions: Battery Efficient Background Logic in Android

We have all been there: a meeting starts, and suddenly your phone rings. I built Muffle to automate silent profiles, but the biggest hurdle wasn't the UI—it was making sure the app didn't destroy the user's battery while monitoring GPS coordinates. The Trap of Continuous Location Updates Early prototypes used LocationManager with frequent updates. This is the fastest way to get your app uninstalled. Keeping the GPS radio active in the background forces the device to wake the CPU constantly, leading to significant battery drain. To solve this, I moved away from active polling and shifted to the GeofencingClient API. Leveraging GeofencingClient for Passive Monitoring Instead of calculating distance from a point every few seconds, I transitioned to system-level geofencing. By defining circular regions around locations like the office or a mosque, the OS handles the monitoring at the hardware abstraction layer. kotlin val geofencingRequest = GeofencingRequest.Builder() .setInitialTrigger(GeofencingRequest.INITIAL_TRIGGER_ENTER) .addGeofences(geofenceList) .build() This approach allows the OS to do the heavy lifting. The app stays in a dormant state until the location provider signals a transition. The kernel only wakes the app when the device enters or exits the radius. The Trade-off: Precision vs. Power Using GeofencingClient means accepting a slightly slower trigger time compared to raw GPS polling. Sometimes, there is a delay of a few seconds as the device wakes from a deep sleep state. For a utility like Muffle, this is a fair trade-off. Users prefer their phone to silence five seconds after entering a building rather than finding their battery dead by noon. To mitigate the delay, I combined geofencing with a secondary intent service that performs a final check once the geofence trigger hits, ensuring that we aren't just reacting to a momentary GPS jitter. Final Thoughts By offloading the monitoring to the platform's native geofencing API, I was able to keep Muffle

2026-06-25 原文 →
开发者

Charlie Kirk’s legacy is a 30-year sentence for moving zines

Just days after a gunman killed conservative activist Charlie Kirk, it became clear that President Donald Trump would use the assassination to fuel a crackdown on free speech. To avenge Kirk's death, the administration vowed to go after so-called "antifa" (otherwise known as antifascist) terrorists. Now that promise is bearing fruit. This week, eight Texas […]

2026-06-25 原文 →
AI 资讯

Your @EventListener Fires Before the Transaction Commits⚙️

Your domain event fires. Your notification service queries the DB for the entity that just got saved. It finds nothing. You add a log line. It starts working. You remove the log. It breaks again. That's not a race condition. That's @EventListener . What's actually happening Spring's @EventListener fires synchronously, inside the calling thread, before the transaction commits. The DB row exists in Hibernate's session — but it hasn't been flushed and committed yet. Other connections, including the one your listener opens when it calls findById , can't see it. The log statement "fixes" it because the delay gives Hibernate time to flush. Remove the log, the flush doesn't happen in time, and you're back to an empty Optional . Here's the broken setup: @Component public class OrderEventListener { @EventListener // fires MID-TRANSACTION, before commit public void onOrderCreated ( OrderCreatedEvent event ) { // Transaction not committed yet. // Other DB connections see nothing. Order order = orderRepository . findById ( event . getOrderId ()) . orElseThrow (); // ← throws here, row doesn't exist yet notificationService . notifyCustomer ( order ); } } The obvious fix and what it costs you Spring ships @TransactionalEventListener for exactly this. Set phase = TransactionPhase.AFTER_COMMIT and the listener fires after the transaction commits. The row is visible. findById returns the order. Problem solved. @Component public class OrderEventListener { @TransactionalEventListener ( phase = TransactionPhase . AFTER_COMMIT ) public void onOrderCreated ( OrderCreatedEvent event ) { // Transaction committed. All connections see the row. Order order = orderRepository . findById ( event . getOrderId ()) . orElseThrow (); // ← works fine notificationService . notifyCustomer ( order ); } } But the trade-off is real. Your listener is now decoupled from the transaction. If the listener fails — notification service is down, the email throws, the external API times out — the transaction alrea

2026-06-25 原文 →
AI 资讯

Google is finally opening the Play Store to outside payments

While the court still hasn't signed off on the massive settlement resolving Epic's antitrust lawsuit against Google for having a monopoly over Android's app store with Google Play, the tech giant says it will start rolling out changes to the way it handles billing for developers worldwide. As announced in March, the flat 30 percent […]

2026-06-25 原文 →