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Fraction is precise, but slow. Floating point is fast, but imprecise. Two floating point: types real (float4) and double precision (float8). Domain is
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posted @ 2024-12-02 18:24
ZhangZhihuiAAA
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zzh@ZZHPC:/zdata/Github/greenlight$ go install honnef.co/go/tools/cmd/staticcheck no required module provides package honnef.co/go/tools/cmd/staticche
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posted @ 2024-11-29 18:49
ZhangZhihuiAAA
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Makefile: ## help: print this help message help: @echo 'Usage:' @sed -n 's/^##//p' ${MAKEFILE_LIST} | column -t -s ':' | sed -e 's/^/ /' confirm: @ech
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posted @ 2024-11-29 17:58
ZhangZhihuiAAA
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$ make migration name=create_example_table run: go run ./cmd/api psql: psql ${GREENLIGHT_DB_DSN} migration: @echo 'Creating migration files for ${name
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posted @ 2024-11-29 17:02
ZhangZhihuiAAA
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In routes.go: router.Handler(http.MethodGet, "/debug/vars", expvar.Handler()) func main() { expvar.NewString("version").Set(version) ... func main() {
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posted @ 2024-11-28 21:22
ZhangZhihuiAAA
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package main import ( "log" "net/http" ) const html = ` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> </head> <body> <h1>Simple CORS<
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posted @ 2024-11-28 10:55
ZhangZhihuiAAA
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In errors.go: func (app *application) authenticationRequiredResponse(w http.ResponseWriter, r *http.Request) { message := "you must be authenticated t
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posted @ 2024-11-22 16:09
ZhangZhihuiAAA
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const ( ScopeActivation = "activation" ScopeAuthentication = "authentication" ) // Token holds the data for a token. type Token struct { Plaintext str
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posted @ 2024-11-22 10:10
ZhangZhihuiAAA
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zzh@ZZHPC:/zdata/Github/greenlight$ migrate create -seq -ext .sql -dir ./migrations create_token_table /zdata/Github/greenlight/migrations/000005_crea
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posted @ 2024-11-21 20:08
ZhangZhihuiAAA
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How to change the cnfiguration for rate limiting in flight? How to change the configuration of pgxpool without restarting the application? How to dyna
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posted @ 2024-11-20 17:25
ZhangZhihuiAAA
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