StringStream | Encode and decode streams into string streams in node.js | Base64 library
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kandi X-RAY | StringStream Summary
Encode and decode streams into string streams in node.js
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Lines of Code : 43License : Strong Copyleft (CC BY-SA 4.0)
Copyconst AWS = require('aws-sdk');
const utils = require('./utils');
const {StringStream} = require('scramjet');
const s3 = new AWS.S3();
exports.handler = async (event) => {
console.log("Incoming Event: ", JSON.stringify(event));
const {StringStream} = require("scramjet");
StringStream
// Scramjet stream can be created from any stream source or a generator function
.from(() => s3.getObjectMetadata(key)
.promise()
.then(() => s3.getObject().createvar pg = require("pg");
var fs = require('fs');
const pool = new pg.Pool({
user: 'smurf',
host: 'localhost',
database: 'mydb',
password: 'smurf',
port: 5432,
})
var filename = 'allCountries.txt';
var fs = require('fs'),
esconst { Pool, Client } = require('pg')
const { StringStream } = require("scramjet");
const client = new Client({
user: '*****',
host: '****',
database: '*****',
password: '******#',
port: 5432,
})
client.connect()
Imports System.Text
Public Class StringStream : Inherits IO.Stream
Private bm As BufferManager
'''
''' Creates a non seekable stream from a System.String
'''
'''
''' Default UTF-8
'''
Public Sub New(solistener.support(methods::OPTIONS, handle_options);
void handle_options(http_request request)
{
http_response response(status_codes::OK);
response.headers().add(U("Allow"), U("POST, OPTIONS"));
// MCommunity Discussions
Trending Discussions on StringStream
QUESTION
I want to create a toString function for Tuples with a variadic amount of a specific type (arithmetic types for now).
Something like this
...ANSWER
Answered 2021-Jun-16 at 03:17You can check all the types are identical or not with the help of fold expression (since C++17).
E.g.
QUESTION
Can you show me some examples with std::streampos?
I am not sure what it is used for and I don't know how to work with it.
I saw in a project in github:
...ANSWER
Answered 2021-Jun-11 at 18:29Why don't we use int pos = ss.tellg(), for example in this case?
Because std::streampos happens to be the type returned by std::basic_stringstream, std::allocator>::tellg().
Maybe on one computer it's something that converts cleanly to an int, but not on another. By using the correct type, your code is platform-independant.
Also note that std::streampos is the type returned by the tellg() method of that very specific class, not the type returned by tellg() methods everywhere. Other streams might very well return a different type instead of std::stream_pos, and you should be accounting for that.
The actual cleanest way to choose the correct type for pos is to literally ask the type: "What should I be using to represent positions in the stream?":
QUESTION
When I try to execute a logical order with parentheses it works, but without them it returns line 11: syntax error at '=='
That 11 line is
...ANSWER
Answered 2021-Jun-10 at 14:55I assume that when you say "If I use parentheses on that line it works", you mean that the following works as expected:
QUESTION
I have implemented a Xdnd drop support implementation in VTK some time ago. It was working great except with Thunar file manager. All other file managers were working fine at the time. We dismissed this limitation a Thunar bug at the time.
The feature I implemented was very simple:
- Set the window of the application to be XdndAware
- Receive the position message and respond that we are ready to receive
- Receive the drop mesage and request a selection
- Receive the selection notify and recover the URI
- Convert the URI into something we can work with
Nothing fancy, I did not even touch the list type.
Fast forward a few years and now dolphin users cannot drop files correctly into our application. The URI is always the first file dropped since dolphin was started. Restarting our application has no effect. No bug at all with pcmanfm.
This is not a dolphin bug and files can be dropped on blender or firefox from dolphin without issues.
So there must be a bug in our implementation, but I've been staring at the code for some time and everything I tried had no effect, except for breaking Xdnd support completely.
Here are the interesting part of the implementation:
...ANSWER
Answered 2021-Jun-09 at 05:47From some testing, the issue is with the preparation and sending of the XdndFinished ClientMessage back to the drag and drop source when handling the SelectionNotify event.
Instead of:
QUESTION
I use 4 threads and my code puts 4 threads to work on 1/4 quarter of 10000 ints and finds all the primes in that quarter. (i know its not a very smooth solution...)
...ANSWER
Answered 2021-Jun-06 at 19:59According to that error message, my_data->thread_id does not seem to have a value between 0 and NUM_THREADS - 1. It seems to have the value 1103437824. This is probably because my_data has become a dangling pointer, due to a race conditon.
my_data points into the t_d array in the main thread. However, the lifetime of that object ends as soon as the main thread calls pthread_exit. Therefore, after that happens, the other threads' my_data pointer becomes dangling, which means it no longer points to a valid object. Dereferencing such a pointer causes undefined behavior.
The best solution would probably be that the main thread calls pthread_join on all worker threads, before it returns from the function main or calls pthread_exit. That way, it is guaranteed that the lifetime of the main thread's t_d array exceeds the lifetime of the worker threads' my_data pointers, so that these pointers never become dangling.
QUESTION
I am trying to write my own custom serialize and de-serialize for an object of my application. I know there are plenty of libraries like boost serialize etc. available for ready use but I wanted to learn this serialize and de-serialize hence this effort.
Problem occurs when I try to de-serialize(using std::wifstream) the object I had serialized(using std::wofstream). Not able to read even one class member correctly. First 3 members I am trying to de-serialize are bool, but they read incorrect values from the file stream. Can someone please suggest any pointers as to what could be the problem here. Thanks for your time.
Typedefs in application:
...ANSWER
Answered 2021-Jun-06 at 17:10I think I found the problem. The issue is, de-serialization using any std fstream when file is opened in binary mode CAN NOT be done using the extraction operator >>. Similar topic was discussed HERE. Please refer below code to see where the problem existed in the question code.
QUESTION
My program should read commands and do them with one number. It should +, -, /, * the number, but it reads only the first stroke.
...ANSWER
Answered 2021-Jun-05 at 11:40You found out alread by yourself. You must either clear the std::istringstream or define a new one, even with the same name. So you coud write
QUESTION
I'm new at OpenGL and GLSL. I'm trying to write a first program with using those libraries in Qt Creator that would draw in the QOpenGLWindow window an ordinary rectangle. The compilation was implemented successfully, however the program crashes immediately on trying to run this with the following error output:
ANSWER
Answered 2021-Jun-03 at 12:21Following on from the comments...
The basic fix is to move all initialization code into initializeGL and let the Qt OpenGL framework make the necessary calls to initializeGL, paintGL etc.
Your constructor and initializeGL members should look something like...
QUESTION
I'm actually learning OpenGL3.3 to create a multiplatform application, which draws some sprites.
Currently, I'm struggling at the compilation of vertexShader and fragShader. The OpenGL shows me information, that my device doesn't support the 3.3 version. When It's clear that it supports it.
main.cpp
...ANSWER
Answered 2021-May-30 at 14:08As per the comment, at the very least you should set the glfw window hints before creating the window. So the window creation code in main should probably be...
QUESTION
I want to replace HTML content with string in word document. I've already add HTML content to the word document but I want to add HTML content replacing specific string in C# MVC. Below is my code:
...ANSWER
Answered 2021-May-23 at 10:39Sample code:
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