$ 0 0 Go NewsletterIssue 151 — March 16, 2017FeaturedProfiling and Optimizing Go Web ApplicationsUsing the built-in net/http/pprof package to measure/correct various web performance metrics.Artem Krylysov The Tale of a Developer's First Go Patch“it is just astonishing how a subtle issue with a so simple patch yielded so much trouble”Wander Lairson Costa Blocks and Scopes in GoLearn about the different types of ‘code blocks’ in Go, how they relate to one another, and the scoping of elements declared within them.Tapir Games Monitor + visualize Go app performance in real-timeWant to graph custom metrics from your Go apps alongside 150+ technologies? Get going with a 14-day free trial.Datadog sponsored Using Go to Guide Design DecisionsGo helped DNSimple find inconsistencies in their API design.Simone Carletti apd: An Arbitrary-Precision Decimal PackageCreated by Cockroach Labs to solve issues found when using Go’s own math/big.Matt Jibson Acra: An Open Source Postgres Protection SuiteTools to secure Postgres databases in distributed environments. Selectively encrypt sensitive records and detect potential intrusions and SQL injections. More here.Cossack Labs In BriefCalling Go Functions from Lua tutorial Tit Petric Using Go with MySQL (28 minute screencast) video Mina Androwos [Webinar] Developing MySQL Apps with Go video In this webinar, Baron Schwartz, Founder of VividCortex introduces the integration of Go and MySQL.VividCortex sponsored gokrazy: A Pure-Go Userland for Raspberry Pi 3 tools gokrazy.github.io Byline: For Reading From an 'io.Reader' Line-By-Line code Sergey Mudrik Hellogopher: A Makefile That Builds Your Go Project Anywhere code Especially helpful for those new to Go without exposing them to dependency issues.Cloudflare Running Regular Go net/http Servers via an AWS API Gateway Proxy code TJ Holowaychuk go-redisproto: A Lightweight Library for the Redis Protocol in Go code wordpress.com vFlow: An Enterprise Network Flow Collector (IPFIX + sFlow) code For working with IP flow information from routers.Verizon Unpuzzled: A Colorful CLI Library with Variable Provenance code Lets you and users see where and how variables are being set.Tim Chin Vellum: A Go Library Implementing A Finite State Transducer code FSTs have many use cases, including NLP and bots.Couchbase Labs Violetear: A Small and Simple Go HTTP router code Nicolas Embriz Brenda: A Boolean Expression Solver for Go AST code Dave Brophy Doubling Template Performance with Code Generation code Bouke van der Bijl grpc-gateway: gRPC to JSON Proxy Generator code Gengo, Inc.Simple to use, powerful programming language need a home? tools Use a simple, powerful hosting company.Linode sponsored