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Tag: APIs

AI, Development

How to define an internal credit risk model modeling scope

Ahmad Wael walks through how to define an internal credit risk model modeling scope: building the (ID x Year) dataset, avoiding temporal overlaps, and meeting ECB standards for PD, EAD, and LGD.

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AI, Development

Gradient accumulation before you buy more GPUs

Getting a larger effective batch size out of the GPUs you already have: gradient accumulation in a PyTorch loop, DDP with no_sync(), why the loss has to be scaled, and the bucket size and data loading settings that decide whether scaling stays linear.

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Core Updates, Development

How WordPress 7.0 changes the iframed editor for custom blocks

WordPress 7.0 changes how the iframed editor decides which posts get isolated CSS, checking blocks actually used in a post rather than every block registered on the site. Legacy blocks still work, but the push toward Block API version 3 is real.

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AI, Development

Causal reasoning models behind Nvidia’s AlpamayoR1

A read of Nvidia’s AlpamayoR1: the Cosmos-Reason backbone, the joint action-reasoning token space that keeps an explanation tied to the steering, GRPO post-training, and why benchmarks run on Nvidia’s own datasets are hard to trust.

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Core Updates, Development

WordPress core performance: real-time editing vs object caching

The WordPress 7.0 collaboration prototype polls up to four times a second, and every poll wipes the object cache for the post it touches. Here is what Ticket #64696 found and why core is getting its first new table since 2015.

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AI, Development

PySpark for Pandas users: getting past the RAM wall

Pandas keeps the whole dataset in RAM and computes as you type. PySpark builds a plan first and runs it across a cluster. Here is what that changes for loading data, window functions, and the shuffle settings nobody tunes.

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Design, Development

Streak system design: timezones, race conditions and grace

A streak is not a counter you increment. Notes on the psychology that makes streaks work, the timezone and race condition bugs that break them, and why grace mechanisms belong in the design from the start.

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Accessibility, Development, Front-end

What the CSS :near pseudo-class would replace in your JS

Thomas Walichiewicz proposed a :near() selector so CSS can react when a pointer gets close to an element. It would replace the usual pointermove distance math, though the CSS Working Group is still weighing the fingerprinting risk.

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AI, Development

How .item() stalls your PyTorch token generation loop

A blocking .item() call in an autoregressive decode loop leaves the GPU idle every step. Two CUDA streams in a ping-pong pattern hide that sync, and StaticCache with torch.compile keeps the computation graph fixed.

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AI, Development

The two iron triangles behind every AI feature you ship

AI features face two sets of constraints: scope, cost and time while you build, then quality, inference cost and latency once the site is live. Includes a small PHP helper for estimating what each API call costs you.

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