goplay | The Go Playground client | GraphQL library
kandi X-RAY | goplay Summary
kandi X-RAY | goplay Summary
The Go Playground (client
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Top functions reviewed by kandi - BETA
- main is the main function .
- Run runs the given code .
- fatalIf prints an error if err is not nil
- showHelp prints to the show command line
- init initializes random values .
goplay Key Features
goplay Examples and Code Snippets
SYNOPSIS: goplay [OPTION]... [FILE] (With no FILE, or when FILE is -, read standard input.
-h show help
-openbrowser
open browser automatically (default true)
-run
compile and run Go program on The Go Playground (default tru
go get -u github.com/haya14busa/goplay
go get -u github.com/haya14busa/goplay/cmd/goplay
Community Discussions
Trending Discussions on goplay
QUESTION
For any given struct, I want to loop over its fields and set any nil slices to an empty slice. However, slices are unaddressable and hence not settable. How can I set the values of any nil slices?
Example: https://goplay.space/#iV6OHkYVTru
...ANSWER
Answered 2020-Nov-06 at 11:09You can't update / modify foo
in initNilSlices()
if you pass foo
because that will be a copy, and you could only modify the copy (and not the original value).
This is what the error message "hints":
QUESTION
I apologise for the very simple question, just having some trouble wrapping my head around how we implement io.Reader
.
My final use case is that I am consuming an endless stream that can send data at any time. To simulate this I have created an emitter
that implements io.Reader
and io.Writer
.
I listen to the reader using a bufio.Scanner
concurrently, while sending values to any listener from main.
Playground: https://goplay.space/#eJfe0HyfYrL
...ANSWER
Answered 2020-Oct-10 at 02:41The goroutine blocks in emitter.Read
on receive from <-em.ch
. The main goroutine blocks on wg.Wait
. Deadlock!
Fix by adding a Close()
method to emitter to close em.ch
. Return io.EOF
in emitter.Read
when the channel is closed. Close
the emitter when done sending data.
There are other issues with the emitter
. Instead of fixing emitter
, use io.Pipe to connect the writer to the reader:
QUESTION
Mac OS here. I have Go version go1.14.2 darwin/amd64 installed locally under ~/go
and in my ~/.bash_profile
I have:
ANSWER
Answered 2020-Sep-25 at 14:03It's actually called migrate
, you can check its location by running which migrate
or command -v migrate
, or call binary from your bin folder migrate.darwin-amd64
QUESTION
I'm doing my first steps with go channels, and tried to write the below code, where I want to do the following with goroutine that is reading from a given csv file, emit the read record to another channel which is adding the same record to another csv file:
...ANSWER
Answered 2020-Jun-03 at 15:25Tthe problem is this:
QUESTION
I tried the below, and it worked well:
...ANSWER
Answered 2020-Jun-02 at 07:13You are very close to getting it! First, since you already create the hashMap in main()
you don't need to create again in from()
. Just delete line 14 and change the signature of from()
like this:
QUESTION
I am getting the error hour out of range
while trying to parse a timestamp string with the following code:
ANSWER
Answered 2020-May-24 at 12:57The timezone offset in the layout should be -0700
not +0530
QUESTION
I have a cruel doubt.
I'm running the code below:
...ANSWER
Answered 2017-Jul-13 at 16:06you could add middleware to /accesible route, no problem, in this moment that route is public same the login.
The token header is always sent from where the request is made, it goes in a header called Authorization and must indicate the type of token and the token, in addition to being able to contain extra information.
EDIT:
r := e.Group("/restricted")
-> r := e.Group("/restricted", middlewareAuth)
You must create a middleware for this.
Good luck
QUESTION
I'm trying to launch automatically a webradio on my html's file. Currently using autoplay fails, I assume the radio miss the time to load some data hence the autoplay just block. I have created a setTimeout function to handle that. Now the function refuses to launch on Firefox and Opera. The error log of Firefox is far most informative, here reproduced:
NotAllowedError: The play method is not allowed by the user agent or the platform in the current context, possibly because the user denied permission
here my html's snippet:
...ANSWER
Answered 2019-Apr-10 at 01:12The Firefox error is telling you exactly what's happening. The autoplay isn't working because the user (or more specifically, the browser - see here) is blocking it.
Any playback that happens before the user has interacted with a page via a mouse click, printable key press, or touch event, is deemed to be autoplay and will be blocked if it is potentially audible.
QUESTION
After reviewing several questions, I have decided to ask my question. A few things I can say...
- The struct I am inserting json data into is exported, and so are its fields.
- The struct I am inserting json data into was auto-generated by protoc.
- The struct and code I am using works in goplayground https://goplay.space/#WZWs3dsVcR5
The code I have is broken into a few parts.
protofile message defining the QueryParm struct.
...ANSWER
Answered 2019-Nov-11 at 06:25Two working solutions:
- You may use:
QUESTION
I know about golang xml ,innerxml
tag which allows getting the element inner content as a raw xml. But what I need is to get the whole element (open tag, inner content, close tag) as a raw data.
Here is a sample which I'd like to parse that way. I'd like to get the whole with all its possible attributes element and avoid getting useless elements.
ANSWER
Answered 2019-Nov-08 at 11:26You may use an additional field in your Useful
struct to capture all the attributes (of a slice of type xml.Attr
) like this:
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