Home » Tag Archives: Go

Tag Archives: Go

Go: Multi-threaded writing to a CSV file

As part of a Go script I’ve been working on I wanted to write to a CSV file from multiple Go routines, but realised that the built in CSV Writer isn’t thread safe. My first attempt at writing to the CSV file looked like this: package main     import ( "encoding/csv" "os" "log" "strconv" )   func main() { ...

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Go vs Python: Parsing a JSON response from a HTTP API

As part of a recommendations with Neo4j talk that I’ve presented a few times over the last year I have a set of scripts that download some data from the meetup.com API. They’re all written in Python but I thought it’d be a fun exercise to see what they’d look like in Go. My eventual goal is to try and ...

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Go: First attempt at channels

In a previous blog post I mentioned that I wanted to extract blips from The ThoughtWorks Radar into a CSV file and I thought this would be a good mini project for me to practice using Go. In particular I wanted to try using channels and this seemed like a good chance to do that. I watched a talk by ...

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Try and Catch in Golang

Golang as opposed to Java does not have exceptions, try/catch/finally blocks. It has strict error handling, functions called panic and recover and a statement named defer. It is a totally different approach. Is it better or is the Java approach the superior? (Sorry that I keep comparing it to Java. I am coming from Java world.) When we handle exceptional ...

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Go Language For Java Developer Part-6 : Operators

Operators in Java and Go Lang.  Every programming languages support operators. Operators are work like a function with different syntax compared to normal function. For example arithmetic operator +. List of Operators in Java & Go Lang The Following table has a list of operators available in the language.         Sr Operator Description Go Java 1 + addition Yes ...

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Create a Slack Docker proxy in Go – Part 2

In the previous article we had a look at how you could easily create a slack-docker-proxy using go and a couple of small libraries. In this second article we’ll show you how easy it is add additional commands, and we’ll look at how to dockerize this component to you can easily run it inside a docker daemon. Note that the ...

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First Steps Into the World of Go

Since developers should learn a new programming language every year, I felt it was about time for me to dive into something new and I decided on Go. The good news is that Go has awesome documentation to get you started. More good news is that Go has a mature ecosystem of tools, including support for getting dependencies, formatting, and testing. There ...

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Create a Slack Docker proxy in Go – Part 1

Last year I had the opportunity to work with lots of cool tools and technologies. A couple of those were go, slack and docker. We pretty much use slack for all our communication, and are slowly adding more and more integrations to slack to get information from various build and runtime tools. In our environment we’ve got a number of ...

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Utilizing the Simplicity of Go for Easy Development

The Go language is a really great fit for the increasingly popular service-orientated architecture. In the last few years, many good practices have emerged to help with the problems that come with microservices. These practices are important if you don’t want to end up with a hard-to-maintain, hard-to-operate infrastructure. By combining them with some of the more overlooked features of ...

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Quick Go-lang for Java Developers

Golang seems to be getting quite popular as its the programming language of choice for some cool new technology like Docker, Kubernetes, and OpenShift. Luckily enough, they’re all opensource too which means we can all contribute to these communities and get involved. One particularly awesome benefit of opensource that turns out to be extremely valuable and helpful in many circumstances ...

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