Go | SebWalak.com

Metronome's Cacophony (4/14) - concurrency in Go - Goroutine

May 1, 2018 · 8 min read · from-java-to-go go concurrency ·

Asynchronous approach Another big word, another definition asynchronous /eɪˈsɪŋkrənəs/ adjective not existing or occurring at the same time. COMPUTING, TELECOMMUNICATIONS controlling the timing of operations by the use of pulses sent when the previous operation is completed rather than at regular intervals. -- by …

Metronome's Cacophony (3/14) - concurrency in Go - Ticker

May 1, 2018 · 7 min read · from-java-to-go go concurrency ·

Share on:

Synchronous approach (ctd) Ticker Ticker is a very convenient tool used to schedule tasks to happen at regular interval. It is created with an invocation of time.NewTicker and needs a time.Duration parameter. It will create a channel, which will be receiving time.Time messages at intervals equal this duration. Ticker …

Metronome's Cacophony (2/14) - concurrency in Go - Basic synchronous solution

May 1, 2018 · 8 min read · from-java-to-go go concurrency ·

Share on:

Synchronous approach Before we move on I will try to explain what the big word is synchronous /ˈsɪŋkrənəs/ adjective existing or occurring at the same time. "glaciations were approximately synchronous in both hemispheres" -- by Google Did it help? Did it resonate with you? Well, for me it felt like the …

Metronome's Cacophony. Concurrency in Go.

May 1, 2018 · 8 min read · from-java-to-go go concurrency ·

Share on:

Metronome's Cacophony. Concurrency in Go.

Introduction The times of PCs with a single-core CPU seem to be gone. Single-core processors still appear in special use cases but, in Personal Computing, they are pretty much extinct. We exhibit constant drive for bigger, faster and richer. If I was buying a new PC, I wouldn't consider single-core CPU, unless it was …

Filesystem impact testing

Feb 26, 2018 · 11 min read · go lib ·

Share on:

FileFactory Repo is located on BitBucket. What is it? Provides declarative means to describe (define) filesystem primitives such as Regular files, Directories and Symlinks. These definitions will be used to create real files and verify that real files exists as per specification. Hence the "factory" analogy. …

Operating on time ranges

Nov 29, 2017 · 2 min read · go lib ·

Share on:

For one of my recent projects I needed a tool to perform few basic operations on time ranges (called periods here). I was doing a lot of time manipulation (however cool that sound I am not building a time machine) and was getting tired of polluting other code with this responsibility. I decided to encapsulate that in a …

Peek at Ginkgo and Gomega - BDD in Go

Nov 17, 2017 · 2 min read · from-java-to-go go bdd ·

Share on:

Ginkgo and Gomega libraries offer enough support to feel mature and help form readable, nicely flowing BDD style, executable requirements. Ginkgo does not strictly follow Gherkin notation but, since the narrative for tests is a free form text nothing stops you from typing what you want there. You could also create your …

Sorting in Go

Nov 17, 2017 · 2 min read · from-java-to-go go ·

Share on:

Sorting can be easily implemented by using Go's interface sort.Interface declared as 1type Interface interface { 2 Len() int 3 Less(i, j int) bool 4 Swap(i, j int) 5} Here's an example: 1type timedBoundary struct { 2 time time.Time 3 //other fields 4} 5 6type timedBoundaries []timedBoundary 7 8func (a timedBoundaries) …

Posts tagged with "go"