# spans

Published articles for spans.

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## Size-Specialized Memory Allocation

DevFeed: [Size-Specialized Memory Allocation](<https://devfeed.tech/articles/size-specialized-memory-allocation-31550.md>)

Original publisher: [Read original article](<https://go.dev/blog/size-specialized-allocations>)

Author: Michael Matloob

Published: 2026-09-16T00:00:00Z

Content type: article

Language: en

Sources: [The Go Blog](<https://devfeed.tech/sources/the-go-blog.md>)

Topics: [Go](<https://devfeed.tech/topics/go.md>), [optimize](<https://devfeed.tech/topics/optimize.md>)

Tags: [collector](<https://devfeed.tech/tags/collector.md>), [compiler](<https://devfeed.tech/tags/compiler.md>), [go](<https://devfeed.tech/tags/go.md>), [performance](<https://devfeed.tech/tags/performance.md>), [spans](<https://devfeed.tech/tags/spans.md>)

### AI overview

Go 1.27 introduces size-specialized allocation functions for allocations smaller than 80 bytes. The change makes those allocations up to 20-30% faster and can improve allocation-heavy programs by up to 1%.

### Source excerpt

Go 1.27 improves performance of small allocations using size-specialized allocation functions.

## OpenTelemetry proposes environment variables for context propagation across processes

DevFeed: [OpenTelemetry proposes environment variables for context propagation across processes](<https://devfeed.tech/articles/help-us-stabilize-environment-variable-context-propagation-32571.md>)

Original publisher: [Read original article](<https://opentelemetry.io/blog/2026/environment-variable-context-propagation/>)

Author: OpenTelemetry Authors; Docs CC BY

Published: 2026-09-11T11:01:22Z

Content type: article

Language: en

Sources: [Blog on OpenTelemetry](<https://devfeed.tech/sources/blog-on-opentelemetry.md>)

Topics: [context](<https://devfeed.tech/topics/context.md>), [tracing](<https://devfeed.tech/topics/tracing.md>), [OpenTelemetry](<https://devfeed.tech/topics/opentelemetry.md>), [Processes](<https://devfeed.tech/topics/processes.md>), [CI/CD](<https://devfeed.tech/topics/cicd.md>), [data-processing](<https://devfeed.tech/topics/data-processing.md>)

Tags: [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [data-processing](<https://devfeed.tech/tags/data-processing.md>), [environment-variables](<https://devfeed.tech/tags/environment-variables.md>), [opentelemetry](<https://devfeed.tech/tags/opentelemetry.md>), [processes](<https://devfeed.tech/tags/processes.md>), [spans](<https://devfeed.tech/tags/spans.md>), [tracing](<https://devfeed.tech/tags/tracing.md>), [w3c](<https://devfeed.tech/tags/w3c.md>)

### AI overview

The OpenTelemetry Specification has a release candidate for using environment variables to carry trace context and baggage between processes. The article explains how this can connect spans across workflow runners, shells, build tools, test processes, and similar workloads when protocol headers or message metadata are unavailable, and requests feedback before the specification becomes Stable.

### Source excerpt

A trace does not always cross a network boundary. A workflow runner starts a shell, the shell launches a build tool, and the build tool starts test processes. Batch and data-processing systems create similar chains of child processes. Without a shared way to pass trace information across these boundaries, spans from each process can end up in separate traces. If context propagation is new to you, it is the mechanism that carries information from one service or process to the next. For tracing, this includes the trace and span identifiers that let new spans join the same trace. It can also carry baggage: application-defined key-value pairs that are passed to downstream work.

## Displaying HTML tags on TextView the right way

DevFeed: [Displaying HTML tags on TextView the right way](<https://devfeed.tech/articles/displaying-html-tags-on-textview-the-right-way-29030.md>)

Original publisher: [Read original article](<https://saket.me/html-tags-textview/>)

Author: Saket Narayan

Published: 2017-06-29T12:59:12Z

Content type: tutorial

Language: en

Sources: [Saket Narayan](<https://devfeed.tech/sources/saket-narayan.md>)

Topics: [HTML](<https://devfeed.tech/topics/html.md>), [Android](<https://devfeed.tech/topics/android.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [html](<https://devfeed.tech/tags/html.md>), [spans](<https://devfeed.tech/tags/spans.md>), [textview](<https://devfeed.tech/tags/textview.md>)

### AI overview

A tutorial explaining how Android parses and displays HTML in TextView. It compares TextView#setText(), Resources#getString(), Html.fromHtml(), and Html.fromHtml() with CDATA, emphasizing CharSequence and span objects as the mechanisms for rendering styled text.

### Source excerpt

While going through the codebase of a former client, I found that I was using four different ways for showing HTML on Android. This made me realize that I didn't really know what the correct way of showing them is and I've always hammered my way using trial & error until the HTML tags have showed up. Embarrassed, I decided to explore how [...] The post Displaying HTML tags on TextView the right way appeared first on Saket Narayan.