YAML
Converting a CSV Into a YAML List With Correct Types
Turn CSV rows into a YAML list of mappings in Python, keeping zip codes as text and giving integers, floats, booleans and empty cells the right types.
6 min read
Topic
XML
Older than half the tools that still emit it. Namespaces, XPath and getting rows out of feeds and exports.
YAML
Converting YAML to CSV for Review in a Spreadsheet
Flatten a YAML list of service records into a CSV a reviewer can sort and filter, handling nested keys, list values, missing fields and Excel encoding.
6 min read
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
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
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