computer science

H-feed

H-feed is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand H-feed rather than just read about it. In short: h-feed is a draft Microformat for marking up a stream of posts using HTML class attributes. It is designed to support web pages that contain blog entries or similar chronological content (h-entry).

Key takeaways

H-feed belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect H-feed to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of H-feed from memory before moving on to harder problems.

Reference excerpt

h-feed is a draft Microformat for marking up a stream of posts using HTML class attributes. It is designed to support web pages that contain blog entries or similar chronological content (h-entry). These can then be parsed as feeds directly or via a proxy which converts h-feed to Atom or RSS, existing web syndication standards. It also supersedes the previous hAtom microformat also known as web slices. Due to h-entry's ability to provide backward compatibility with hAtom it is used widely throughout the web and particularly by IndieWeb sites.

h-entry h-entry is used as the basis for individual posts of chronological web pages, such as news entries or blog posts. The "hentry" root class in h-entry was based on Atom's "entry" element.

See also List of content syndication markup languages

References

External links h-feed at the Microformats Wiki h-entry at the Microformats Wiki

Worked examples

Example 1 — a first encounter with H-feed

Start with the simplest possible case. Write down what H-feed claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to H-feed before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about H-feed ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of H-feed

In research: H-feed appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses H-feed in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: H-feed is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer programming stubs, Microformats, Web syndication formats, so understanding it makes those chapters shorter.
In everyday life: Look for H-feed outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study H-feed in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what H-feed means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain H-feed out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is H-feed in simple terms?

h-feed is a draft Microformat for marking up a stream of posts using HTML class attributes. It is designed to support web pages that contain blog entries or similar chronological content (h-entry).

Why does H-feed matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study H-feed?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on H-feed.