Topic

Tooling

Clients, formatters, linters and CLIs worth installing. Small tools that save hours.

XML

Streaming Large XML Files in Java Without Memory Trouble

Measured heap needs for 36.6 MB of XML in Java: DOM fails at 256 MB, StAX with JAXB per record runs in 16 MB, and the memory is flat whatever the file size.

6 min read

XML

Parsing XML in Node With fast xml parser and Its Defaults

fast-xml-parser returns objects, but its defaults drop attributes and turn 007 into 7 and 29.50 into 29.5. Set the options, validate, and see the 4.4 s cost.

6 min read

XML

Parsing XML in JavaScript With DOMParser in the Browser

DOMParser reads XML in the browser but reports errors as a parsererror element, not an exception. Query with XPath, handle namespaces, compare with HTML mode.

6 min read

XML

Reading XML in Ruby With Nokogiri and Strict Parsing

Parse XML in Ruby with Nokogiri: xpath and at_xpath, BigDecimal for money, namespaces, strict versus lenient parsing, the noent option and Reader streaming.

6 min read

XML

Reading XML in PHP With SimpleXML and DOMDocument Safely

Read XML in PHP 8.5 with SimpleXML, DOMXPath and XMLReader, avoid the boolean cast trap, handle namespaces and read parse errors with libxml_get_errors.

6 min read

XML

Parsing XML in Rust With quick xml and serde Structs

Read XML into Rust structs with quick-xml and serde, stream 200,000 orders in 0.09 seconds, and see how bad booleans and mismatched tags are reported.

6 min read

XML

Parsing XML in Go With encoding xml and Struct Tags

Unmarshal XML into Go structs with tags, use a pointer for absent versus empty, catch bad booleans, and stream 200,000 orders in 0.8 seconds.

6 min read

XML

Serializing C Sharp Objects to XML Without the Extra Noise

XmlSerializer writes xsi and xsd namespace declarations and a utf-16 header by default. Remove them, control attributes and lists, and see what it ignores.

6 min read

XML

Reading XML in C Sharp With XDocument and LINQ to XML

Load XML into XDocument, query with LINQ, cast attributes and elements to typed values, handle namespaces, and avoid the culture trap in decimal.Parse.

6 min read

JSONGuide

Testing Code That Produces JSON From Asserts to Contracts

A tested guide to testing JSON output: asserts, snapshots, volatile fields, schemas, generated data, fixtures and property tests, with a mutation matrix.

17 min read

XML

Reading XML in Java With JAXB Annotations and Its Defaults

Map XML to Java classes with Jakarta XML Binding, read attributes, lists and optional elements, and see a bad boolean and a bad number accepted silently.

6 min read

JSONGuide

JSONPath JMESPath and SQL Path Expressions Compared

JSONPath, JMESPath, jq and the path dialects of PostgreSQL, MySQL and SQLite tested on one document: syntax, null handling, speed, indexes, portability.

19 min read

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