record Questions
1
Solved
I have two record types:
type Employee = {
Id: string
Name: string
Phone: string
}
type AuditLog = {
PerformedBy: string
PerformedOn: string
}
Following are instances of the record types:
l...
1
Solved
Why are we not allowed to do the following for a record
abstract record AA
{
public abstract bool Equals(AA other);
}
record BB:AA
{
public override bool Equals(AA other)// error as it is alread...
2
I have a Record set up like this:
let myRecord = Record<String, Set<String>>
How can I add an element to a set inside the record? I have tried the following without success:
let key = &...
Chloramphenicol asked 1/2, 2021 at 21:35
1
I am working with the flutter_sound in Flutter. I simply want to fade in and fade out sound file in flutter
1
C# 9 adds records, finally! I've been waiting forever for this, it's supergreat! But I'm wondering what the point of having a record with { get; set; } is? It seems like records should be immutable...
5
I just want to run a simple python audio code:
import pyaudio
import wave
import sys
CHUNK = 1024
wf = wave.open("4.wav", 'rb')
# instantiate PyAudio (1)
p = pyaudio.PyAudio()
# open stream (2)
s...
2
Solved
Suppose I have a record that is "function-like", at least in the sense that it represents an operation that could be applied to some arguments.
I can make it work as a function by implementing clo...
Migratory asked 15/8, 2012 at 2:52
3
Solved
I have a Person record with a name and an id, and a function createPerson that returns a Person without id, leaving generating the UUID to the caller.:
-- Person.hs
import Data.UUID (UUID)
data Pe...
1
Solved
Thank you to the reviewers for finding the duplicate: How do I target attributes for a record class?
and .NET 5.0 Web API won't work with record featuring required properties is related t...
Gravamen asked 9/2, 2021 at 14:20
2
Solved
1
Solved
I am converting this class
public class MyClass
{
public IEnumerable<string> Strings { get; }
public MyClass(IEnumerable<string>? strings = null)
{
Strings = strings ?? new List<...
Winstonwinstonn asked 31/1, 2021 at 12:7
4
Solved
I want to update the bottom/the last row in my table. I have try to implement this solution, but nothing seems as correct syntax:
UPDATE TOP(1) @ResultTable
SET PeriodLastDate=DATEADD(DAY,-1,Perio...
Skimmia asked 8/11, 2012 at 16:4
2
Solved
I am writing a source generator and need to know whether a class that I am adding functionality to with Microsoft.CodeAnalysis is a record.
I can do this by switching to the syntax model, like this...
1
Solved
I have a bunch of "data" classes using Lombok and I want to migrate all of them to use the new Record functionality available in Java 14. With the new Java 14 Record functionality, is it ...
1
Solved
C# 9 records have a short form like so:
public record Car(int CarId, int Cylinders, string Make, string Model);
How can I add documentation comments to the properties of the record? Note that this...
2
I just stuck in creating batch file for recording stream from CCTV.
Previously this works on Ubuntu server in code like this:
cvlc -d --sout "#transcode{vcodec=FLV1,vb=512,fps=3,acodec=none,sfilte...
Perimeter asked 6/4, 2016 at 9:53
1
Solved
I have old POJO with valid annotation:
public class SomeData {
@NotNull(message = "Data not be null")
private String data;
public FormData(String data) {
this.data = data;
}
publ...
4
Solved
F# makes it easy to define types such as
type coords = { X : float; Y : float }
but how do I define constraints/check arguments for the constructor without going into the more verbose class defi...
Seriatim asked 30/8, 2013 at 19:4
2
I previously had an api which had a number of functions in it, all of which expected a map in a very particular format. When it came to documenting this API, I found that in the docstrings of each ...
Automotive asked 19/10, 2014 at 19:5
1
Solved
Suppose you have a serializer/deserializer type class
class SerDes a where
ser :: a -> ByteString
des :: ByteString -> a
and it turns out that it's crucial to have a special helper functio...
2
Solved
I have a bunch of @Data classes using Lombok and I want to migrate all of them to use the new Record functionality available in Java 14.
I know it's a little bit earlier but this is an experimental...
Beersheba asked 26/8, 2020 at 21:11
8
Solved
I have created an iPhone application to record our voice. When I try to record, I am getting error message in following statement.
recorder = [[ AVAudioRecorder alloc] initWithURL:url settings:re...
Hummingbird asked 23/11, 2010 at 17:42
4
I've been trying to get my application recording the sound coming from the microphone and playing it back in (approximately) real-time, however without success.
I'm using AudioRecord and AudioTrac...
Nebo asked 20/4, 2011 at 9:52
3
Solved
I'm trying this:
type TS1<'state, 'action> = {
actions : 'state -> #seq<'action>
move : 'state -> 'action -> 'state
state0 : 'state
}
But the type checker won't let me:
...
Judie asked 26/3, 2015 at 10:49
1
Solved
In the code below,
{-# LANGUAGE OverloadedLabels #-}
module Foo where
data R = R { x :: Int }
g :: Int
g = #x (R { x = 1 })
I expected this to type-check, but instead I get:
foo.hs:7:5: error...
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