Lessons Learned: GoLang GORM – filtering associations

The problem Given the following code: type User struct { gorm.Model Username string Orders []Order } type Order struct { gorm.Model UserID uint Foobar string } The above Golang code defines a "Has Many" association, leading to a schema where a "User" "has many" "Orders", with the "user_id" key acting as a foreign key. How … Continue reading Lessons Learned: GoLang GORM – filtering associations

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Practical embedding in GoLang

Eric Urban has written a phenomenal blog post about embedding in Golang: http://www.hydrogen18.com/blog/golang-embedding.html Embedding in Golang is an important concept to  grasp, especially when coming from an object-oriented paradigm, since as Eric describes, embedding in Golang is superficially similar to OO's inheritance concept. I came across a practical need for doing this when dealing with … Continue reading Practical embedding in GoLang

Nugget Post: Golang HTML Templates

Golang authors have an excellent article on how to build a wiki web application entirely out of go. Towards the middle of the article, they mention the html/template package. For those of you familiar with templating systems like jade, handlebars, or flask/jinja... you should feel right at home. In golang, templating needs no third party frameworks, no … Continue reading Nugget Post: Golang HTML Templates

Nugget Post: Golang: RPC server/client implementation

As part of my efforts to learn golang, I attempted to write a simple RPC server / client implementation. Between gobs (see my previous post) and the RPC implementation, golang makes it very easy to build a distributed system where servers and client share not only data via gobs, but also methods and functions via … Continue reading Nugget Post: Golang: RPC server/client implementation

Nugget Post: Golang : Gobs and exported identifiers

This one had me scratching my head for a while... while messing around with "gobs" - binary representation of data that can be sent over the network between two golang programs - I ran into the problem of "exported fields". I had followed the post on the golang blog regarding gobs, with some modifications. I … Continue reading Nugget Post: Golang : Gobs and exported identifiers