Simon Willison’s Weblog

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Entries tagged json

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Datasette’s new JSON write API: The first alpha of Datasette 1.0

This week I published the first alpha release of Datasette 1.0, with a significant new feature: Datasette core now includes a JSON API for creating and dropping tables and inserting, updating and deleting data.

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Joining CSV and JSON data with an in-memory SQLite database

The new sqlite-utils memory command can import CSV and JSON data directly into an in-memory SQLite database, combine and query it using SQL and output the results as CSV, JSON or various other formats of plain text tables.

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Datasette: instantly create and publish an API for your SQLite databases

I just shipped the first public version of datasette, a new tool for creating and publishing JSON APIs for SQLite databases.

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How does a web page interact with a server to parse a dynamic JSON file?

If you’re only dealing with 60 records there’s no need to add a full database. I’ve actually hand coded a 50 record JSON file before and it was fine- use an editor with good JSON support (I like Sublime Text 2) and it’s pretty easy to hand write.

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Has JSON pretty much replaced XML for string processing for the web, or are there use cases where XML is still necessary?

It’s replaced XML as the default format for most APIs. XML is still necessary for Atom/RSS feeds and other existing standards built on top of XML. It’s also a better choice than JSON for markup-style data—stuff like XHTML where tags are applied to sequences of characters within larger chunks of text.

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How can I parse unquoted JSON with JavaScript?

Unquoted JSON isn’t JSON—the JSON spec requires that strings are quoted (with double quotes, not single quotes).

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What are the JSON security concerns in web development?

Be very careful when implementing JSON-P for authenticated actions—evil third party sites could assemble URLs to your user’s private data and steal it. This attack has worked against Gmail in the past.

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If I have data that loads using  json / JavaScript will it get indexed by Google?

No. Personally I dislike sites with content that is only accessible through JavaScript, but if you absolutely insist on doing this you should look in to implementing the Google Ajax Crawling mechanism: http://code.google.com/web/ajaxc...

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A few notes on the Guardian Open Platform

This morning we launched the Guardian Open Platform at a well attended event in our new offices in Kings Place. This is one of the main projects I’ve been helping out with since joining the Guardian last year, and it’s fantastic to finally have it out in the open.

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Pragmatism, purity and JSON content types

I started a conversation about this on Twitter the other day, but Twitter is a horrible place to have an archived discussion so I’m going to try again here.

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Why JSON isn’t just for JavaScript

Dave Winer’s discovery of JSON (and shock that “it’s not even XML”) has triggered an interesting discussion thread, on his blog and elsewhere. Plenty of people have re-assured him (and themselves) that it’s only used for JavaScript—it’s convenient in the browser but irrelevant elsewhere.

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Keep your JSON valid

I’m a big fan of JSON, and it’s great to see it turning up as an output option for so many Web APIs. Unfortunately, many of these APIs are getting the details slightly wrong and in doing so are producing invalid JSON.

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JSON and Yahoo!’s JavaScript APIs

I had the pleasure yesterday of seeing Douglas Crockford speak about JSON, the ultra-simple data interchange format he has been promoting as an alternative to XML. JSON is a subset of JavaScript, based around that language’s array, string and object literal syntax.

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