repl | A web viewable version of the Go REPL | Code Editor library
kandi X-RAY | repl Summary
kandi X-RAY | repl Summary
This implements a web viewable version of the GoPlus REPL. This is done by compiling gpython into wasm and running that in the browser.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of repl
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QUESTION
I am trying to define a subroutine in Raku whose argument is, say, an Array of Ints (imposing that as a constraint, i.e. rejecting arguments that are not Arrays of Ints).
Question: What is the "best" (most idiomatic, or straightforward, or whatever you think 'best' should mean here) way to achieve that?
Examples run in the Raku REPL follow.
What I was hoping would work
...ANSWER
Answered 2021-Jun-15 at 06:40I think the main misunderstanding is that my Int @a = 1,2,3 and [1,2,3] are somehow equivalent. They are not. The first case defines an array that will only take Int values. The second case defines an array that will take anything, and just happens to have Int values in it.
I'll try to cover all versions you tried, why they didn't work, and possibly how it would work. I'll be using a bare dd as proof that the body of the function was reached.
#1
QUESTION
I have updated IntelliJ Idea Ultimate and scala plugin, it's working ok so far with sbt to build some projects.
Using a scala worksheet in REPL Interactive mode, I put in some code from a course lecture,
...ANSWER
Answered 2021-Jun-15 at 18:10Put everything in an object.
This way the 2 defs that depends on each other will be available at the same time.
IntelliJ worksheets do not like such definitions as they are "evaluated" one by one. You cannot define 2 depending on one the other at the top-level, they need to be encapsulated.
QUESTION
ANSWER
Answered 2021-Jun-14 at 23:31Initially it's a number: 100000, but the input value is a string ("100000"), and strings get different behavior from toLocaleString. You could run it through parseInt or parseFloat, Number or whatever to convert it back:
QUESTION
I wanted to make a circle cursor and I copied the code from codepen
I am working in another IDE called Repl.it and so I copied the exact same code from codepen to repl.it (Note: I did use the correct code from codepen by compiling it first)
The code is not working in repl.it
I am not sure what I am missing, but I am pretty sure it has to do with the tags. Any help would be much appreciated.
My Output:
The cursor stays at the top left and does not move at all for some reason
This is the code:
...ANSWER
Answered 2021-Jun-14 at 23:11Issue is with your html file.. I checkout Codepen and got compiled css and js code. you also have to link js lib for this, as I told before, issue is in your html file.
below is the working code enjoy !!
Mark as approved would be appreciated :)
QUESTION
I'm a Vue developer that's trying to do a React App.
I'm trying to wrap CodeMirror in a React app and I'm running into some troubles. Not sure how to fix it.
I'm instantiating a CodeMirror editor and attaching some event handlers to it.
Those handlers are like so:
When you focus the editor, the isFocused variable becomes true.
When you focus out of the editor, the isFocused variable becomes false.
When you type in the editor you should do some action if the isFocused variable is true.
In the last handler, I need to access a reactive variable set with useState (isFocused).
That variable is not reactive in the context of that function. It's read as the default value false.
The component looks something like this:
...ANSWER
Answered 2021-Jun-14 at 12:57Add a useEffect function with a callback to handleChange and pass it isFocused as an argument.
PS: Don't forget Boolean() to display the state of isFocused otherwise it returns an object.
(See the demo link at the bottom of the page )
QUESTION
Still regarding chapter 3 of "PureScript by example" (non-related previous question). The function removeDuplicates returns me Nil on test and on the repl returns Nil rather than AddressBook which is a bit disappointing as I was expecting the compiler to prevent such case. In the other hand I also seem to fail to match an empty AddressBook (type AddressBook = List Entry).
Code (simplified omitting irrelevant parts):
...ANSWER
Answered 2021-Jun-13 at 15:16Unlike C# or JavaScript, or wherever it is you're coming from, Nil and null in PureScript are not a special/magic "uninitialized reference" sort of thing. PureScript doesn't have those at all. Everything is always "defined", as far as the PureScript compiler knows.
Nil is just the name of a List constructor. Take a look at the List definition:
QUESTION
We have setup Redis with sentinel high availability using 3 nodes. Suppose fist node is master, when we reboot first node, failover happens and second node becomes master, until this point every thing is OK. But when fist node comes back it cannot sync with master and we saw that in its config no "masterauth" is set.
Here is the error log and Generated by CONFIG REWRITE config:
ANSWER
Answered 2021-Jun-13 at 07:24For those who may run into same problem, problem was REDIS misconfiguration, after third deployment we carefully set parameters and no problem was found.
QUESTION
I created table of 500 rows, and reversing it on click feels slow, subjectively like 500ms or so.
Is it reasonable performance? I have a feeling that reversing table of 500 lines in JS should be faster.
Svelte demo and Pure JS demo.
Pure JS feels much faster than Svelte
Table.svelte
...ANSWER
Answered 2021-Jun-11 at 23:14I first thought that it has something to do with the index not working properly, but when adding a 'slice' button and a fade-effect it seems to work fine -> the first item fades out and after it was totally removed the other elements move up.
SEE THIS slightly modified version of yours
- 'slice' button and effect on StringView added
- timer in console tracking time before -> after Update
Nevertheless, since I already wondered how to properly define the id on arrays an nested each loops (Nested each loops over array in Svelte - how to set unique id / key?) I made a version with objects instead of row-arrays and just one Component for the rows. When comparing the time for updating, it's almost twice as fast ( firstLoad/Update --> ≈700ms/250ms --> 330ms/160ms (in Firefox)) -> See this REPL
I'm still wondering if this might be optimized, since even when the id/key seems to work, every TableRow-Component logs an Update when the order is reversed or the first element is sliced. I once made a very simple example which behaves differently and only elments without id log an update -> see this REPL
(this part of your code could be written shorter ->
QUESTION
In REPL mode, Julia lets you type a semicolon and run shell commands, i.e.
...ANSWER
Answered 2021-Jun-12 at 03:07As you mentioned, the default way to do is via the run command. If you have not already, check out the docs on this https://docs.julialang.org/en/v1/manual/running-external-programs/#Running-External-Programs which go into some of the caveats.
I am not sure I follow what you are getting at with RCall but it may perhaps be worth opening a separate question for that.
QUESTION
I'm trying to learn Recurrent Neural Networks (RNN) with Flux.jl in Julia by following along some tutorials, like Char RNN from the FluxML/model-zoo.
I managed to build and train a model containing some RNN cells, but am failing to evaluate the model after training.
Can someone point out what I'm missing for this code to evaluate a simple (untrained) RNN?
...ANSWER
Answered 2021-Jun-11 at 12:27Turns out it's just a problem with the input type.
Doing something like this will work:
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