stream Questions
1
Solved
Is there any way I can clone values for the async move closures for futures::stream?
I'm using future's for_each_concurrent
My code is something like this:
async fn foo() {
use futures::stream::{s...
Marsha asked 1/3, 2021 at 21:0
5
Solved
ifstream f;
f.open(fileName);
if ( f.fail() )
{
// I need error message here, like "File not found" etc. -
// the reason of the failure
}
How to get error message as string?
Finesse asked 27/6, 2013 at 7:51
13
Solved
Is there an easy way to avoid dealing with text encoding problems?
0
I'm trying to build a streaming library using the abstractions described in the paper "Faster coroutine pipelines". I've modified the code so that it correctly handles pipeline exiting (i...
Jillion asked 14/2, 2021 at 7:16
6
Solved
Alright, I've googled getting a string from Serial with Arduino and I've had no luck even copy and pasting examples.
I'm trying to get a string from the Serial. Here's my code:
void setup() {
Se...
Workhouse asked 28/3, 2012 at 4:15
3
Solved
To measure position/offsets/size of streams, the standard specify std::streampos, std::streamoff and std::streamsize, but they are implementation defined.
How to convert these types to long long ...
Jimenez asked 8/10, 2012 at 0:29
2
Solved
2
I want to append lines to a file, which is a writeable stream, in Node, in a specific order, through a loop.
Here is a simplified version of what I am talking about:
var fs = require('fs');
var o...
1
Solved
I was testing streams with node and I setup a program to read a large file and write it again using streams. The problem is when running the program, memory usage of node goes up to 1.3 GB, which i...
7
Solved
I often run into the problem that I have one stream full of data and want to write everything of it into another stream.
All code-examples out there use a buffer in form of a byte-array.
Is there...
2
Solved
I have to be able to stream large files from our Rest API using RestSharp. The canonical way of doing so is to set the 'ResponseWriter' property on the request:
var client = new RestClient
var req...
2
I'm trying to parse my json with the code below. I get the error:
Error reading JObject from JsonReader. Path '', line 0, position 0.
I thought this might be because my JSON was malformed, s...
Barye asked 2/7, 2019 at 10:53
2
Solved
If I have a remote mp4 file on a server that supports Byte Ranges, is it possible to retrieve a single byte range and create a new/self-contained mp4 from that range data?
If I try and write a ret...
Boil asked 18/4, 2014 at 20:32
2
I have a MemoryStream with the contents of a Font File (.ttf) and I would like to be able to create a FontFamily WPF object from that stream WITHOUT writing the contents of the stream to disk. I kn...
3
Solved
I am trying Get an object from Amazon S3 storage in Node.Js.
And this perfectly works when I am saving it to a file.
amazon.getObject = function () {
var options = {
BucketName : 'mybucket',
...
Palaeozoic asked 31/12, 2012 at 0:20
2
Solved
I have a use case where many clients need to keep sending a lot of metrics to the server (almost perpetually). The server needs to store these events, and process them later. I don't expect any kin...
7
Solved
In Java, flush() method is used in streams. But I don't understand what are all the purpose of using this method?
fin.flush();
tell me some suggestions.
2
Solved
When I have uploaded an image from my website I need to do 2 things:
read the image dimensions
save the image to the database
the first thing I do is reading the image stream into an Image obj...
2
Solved
The standard advice on determine whether you need to wait for drain event on process.stdout is to check whether it returns false when you write to it.
How should I check if I've piped another stre...
3
Solved
I found two different ways to pipe streams in node.js
Well known .pipe() method of a stream
https://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
and standalone function for s...
1
I am developing a Flutter app using Provider (provider: 3.0.0+1). I am using MultiProvider using StreamProvider with controller. But I am always getting an error.
Below is my code
main.dart
Widg...
Betseybetsy asked 31/7, 2019 at 2:11
2
Solved
Some operations to read and write from streams may set the error flag in a stream, which can be tested using ferror(stream), while I'm quite sure this must be a frequently asked question, I wasn't ...
5
Solved
I make an app using firestore and a bottom navigation bar in Flutter. The problem is that when I switch between tabs, the build method is called everytime. The build method downloads data from fire...
Agueda asked 20/12, 2018 at 14:23
1
Solved
I cannot use StreamGroup or StreamZip for some reason
here's the code (that is complete useless, but I don't want to anger the admins)
import 'dart:async';
import 'package:flutter/material.dart';
...
Lazaro asked 20/11, 2020 at 14:50
7
I am about to write a message protocol going over a TCP stream. The receiver needs to know where the message boundaries are.
I can either send 1) fixed length messages, 2) size fields so the rece...
Dziggetai asked 25/6, 2009 at 23:5
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