Excel
Writing Excel Files in Go With Excelize Step by Step
Write and read Excel files in Go with Excelize: create a workbook, typed cells and styles, the stream writer for big exports and a row iterator.
7 min read
Tag
go
6 posts
JSON
Handling Unknown JSON Fields in Go Without Losing Data
Go ignores unknown JSON members by default. Reject them with DisallowUnknownFields, keep them with a raw map, and see where each option stops working.
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
JSON
Parsing JSON in Go With Struct Tags and the Standard Library
Decode JSON into Go structs with struct tags: null versus missing with pointers, case-insensitive keys, int64 ids, wrong-type errors and the omitempty trap.
6 min read
CSV
Reading and Writing CSV in Go With encoding csv and Streams
Read and write CSV in Go with encoding/csv: quoting, field-count errors, LazyQuotes, the BOM it leaves in, ReuseRecord and 2,000,000 rows in 7 MB.
9 min read
Editor's pick
CSVGuide
Reading CSV Files in Go Java R Rust and C Sharp Compared
Ten languages read the same awkward CSV files: speed on 2,000,000 rows, BOM, bad quotes, ragged rows, leading zeros and defaults that bite, plus a test list.
18 min read