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Boost ASIO "Bad address" error when passing unique_ptr to completion handler

I'm trying to implement a simple TCP server using ASIO. The main difference here is that I'm using std::unique_ptr to hold the buffers instead of raw pointers a

Error: P1001: Can't reach database server at `localhost`:`5200`

Technologies I use: nestjs -> for backend prisma -> for orm postgresql -> database I'm trying to run these technologies using Docker but I'm running in

node js saving all values as 0 in sql

Im making an API on nodejs with express and mysql. In the POST method i dont get any error but on mysql store al values as 0, like this: 1 0 0.00 0000-00-00 0

How to plot vectors orthogonal to quadmesh?

I am trying to use the rgl package in R to plot unit vectors orthogonal to each cell in a quadmesh. I've used this page for a bit of guidance, and currently hav

Hyperledger Fabric Peer Join Channel

The use case is: I created a network with Raft Ordering service having one channel say, channel1 with three Organisations (Org1, Org2 and Org3). Org1 and Org2 p

Is there a VPN solution in Azure that can assign a static public IP to the clients connected for me to achieve full tunnelling? may be in P2S VPN?

Is there a VPN solution in Azure that can assign a static public IP to the clients connected for me to achieve full tunnelling? may be in P2S VPN? P2S VPN does

Prevent authentication bypass via response manipulation with ASP.NET Core Identity implementation

Web application has asp.net core identity implementation, in security testing of our application vulnerability is found-authentication bypass via response manip

Unable to auto-format *.rb in setting.json below in VScode

I want to auto-format all html, css, sass, rb, and html.erb,js files with setting.json_Vs-code. But the next file after setting.json can only be the above *.rb

How to find minimum of some variable with repeating row indexes and preserve all other variables in Python Pandas

Basically, I have multiple repeating dates and the indices (1/2/1990 many times followed by 1/3/1990 many more times, etc.) I want to find the minimum of a give

Binary tree not clearing with each loop iteration

I am using a binary tree to convert prefix expression into infix, and then solving them. That part works fully. My issue is the input loop I set up is adding on

Turtle distribution

How to create a set of turtles with the rising distribution of their location from the edge of the environment to the middle?

Get ROI feature vector from Faster R-CNN using Pytorch

I am training a faster R-CNN model in pytorch and I want to extract feature vector from roi-heads layer. I am using the following code: model = torchvision.mode

Are there any Datastructure and Database feature that could handle tag of tags?

I want to categorize data to search for content that can be tagged. However I want a tag to have relationship with other tag too and so it could be searched for

How to automatically align choices in LaTeX?

I'd like to align choices automatically in LaTeX document. I've found others' questions similar to mine, but there are mainly three problems. (url) ・how

How to determine the article PDF download link from the article webpage?

I would like to download some articles from my DOI list automatically (about 1500). Using doi.org I can get a website content for every of them. But the problem

Why cv2.write saves black images?

hi folks, greetings am using this code that I found on the web, to apply a wiener filter on an image, the code : from scipy.signal.signaltools import deconvolve

searching in range between columns using sqlite3 in pandas

I have found solution to my problem in one question Merge pandas dataframes where one value is between two others I tried to modify it for my situation but it d

Merging the object having array in JSONata into array of objects

I need to merge the array item to object using JSONata If my input is {"skus":[ { "a":1, "c":3, "b":["n"] }, { "a":6, "c":7, "b":[

bat file in Windows scheduler not running python script

I am trying run a python script to update a ppt presentation. I have also tried this a year ago with running a regression and updating a table in SQL and didn't

Sum numbers inside a table

Can anyone help me how to sum numbers inside a table in React.js? My scenario is that I have Product table, inside product it has header column (no, product nam

Pythonic way of checking if a condition holds for any element of a list

I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for lists which does: x: list of uint; if (x.has(it &l

got a vertical scroll bar after adding ckeditor in Django

before adding ckeditor my webpage was working fine but when I add ckeditor to my textarea field I got a vertical scroll bar. my problem is I want to remove that

Repeat a loop a number of times

// What's the minimum number of times you have to flip a coin before you can have three consecutive flips that result in the same outcome (either all three are

Decorator @property on ASP net core like in django

The thing is that like in Django which you can add model properties without changing the model class using the @property decorator. I'm trying to achieve same w

Aurelia hiding/ and showing div element when button click is not working

I am trying to hide and show div element based on the button that is clicked. I used if.bind and show.bind, but neither of them is working. View: <div class=

I keep getting error "Directory stack not that deep" I have adjusted the <= sign but to no avail

My code below wont run due to " Directory stack not deep error...Pls tell me what's wrong. I suspect the error is in the while loop. I have made several adjustm

Ruby NoMethodError: undefined method

I am using rack-reducer with rails. I am getting the error: #<NoMethodError: undefined method 'order_from_user_input' for #<DataPoint::ActiveRecord_Relati

How to get image from bytes in Python?

I have an image (jpeg). I get the bytes from it simply using open('img.jpg', 'rb'). And for instance I send that bytes to my friend. So which way using Python c

How to fix 'java.lang.NoClassDefFoundError: org/springframework/validation/annotation/ValidationAnnotationUtils' In Spring MVC

I have Spring MVC application with JSP and the server is Tomcat. when I run this web application. Tomcat log as follows. 24-Feb-2022 16:13:16.054 SEVERE [http-n

Unexpected identifier '_classCallCheck'. Import call expects exactly one argument

Unexpected identifier '_classCallCheck'.import call expects exactly one argument. Problem with React Native. I tried everythig from google, but it didn't work.