Golang Golang Guarantee to process only once by using sync.Once
If a shared resource is needed on multiple goroutines and the initialization must be done only once on one of the gorout...
Golang
Golang 
Golang Golang Use a pointer receiver to define a function for a struct
Do you recognize that there are two ways to define a method for a struct? func (m StructName) FuncName(){ // do somethin...
Golang Golang How/When to use sync.Cond
When should sync.Cond be used instead of channel? Golang provides easy ways for asynchronous processing. As you know, ch...
Golang Golang Set channel direction to prevent usage error
Do you often use a channel? Have you ever considered the channel direction? To use a channel, someone sends data to the ...
Golang Golang Check variable order in Struct if you must reduce memory usage
A recent computer has enough resources and thus we might not have the opportunity to reduce memory usage. However, it's ...
Golang Golang Dynamic access to a property in a struct
I needed dynamic access to all properties in a struct in unit tests. In my case, the struct has only boolean properties....
Golang Golang Is Compiling Regex In Loop Really Expensive?
A regex is a useful feature to check whether a string contains a special format. If we have many formats, we might want ...
Golang Golang Implement Debounce logic in different ways
There are multiple ways to implement Debounce Logic in Golang. I want to compare the differences and check which one is ...
Golang Golang How to implement Debounce and how to use time.Timer properly
timer.Timer is simple but it's not as straightforward to use it as it looks. What can we do with time.Timer? There are t...
Golang Golang Which way is the best to declare array/slice
Have you ever considered the best way to declare an array/slice in Golang? Golang offers several ways to declare it. It'...