CreatedOn column in Entity Framework 6

After upgrading to Entity Framework 6 we've implemented our own DbExecutionStrategy. In addition to existing SqlAzureExecutionStrategy our strategy also logs exceptions. As turned out, every 15-30...

Java Non Heap Memory - How to reduce it

We run Tomcat on our server with several Java Apps configured as Virtual Hosts. It has been running quite well for several months with very little or no swap on vmstat, but recently vmstat has...

TcpClient BeginConnect timeout

How can setting a custom timeout for BeginConnect async call be accomplished in c#? It is very useful, while connecting to a host with a chance of not listening on given port. Each such call...

How to retrieve async results from a Node.js VM script using ES7 syntax

I'm trying to implement a way to run "sequentially written" async JS code in a Node.js VM and gain access to the respective context objects. I try to use the coming ES7 await functionality,...

Laravel5.1 Logout when browser is close using javascript

How to detect that browser is close using javascript. I have not found any solutions using laravel. So now I am using jquery ajax request to logout before window is close. For this I am...

EF Migrations - There is already an object named '' in the database

I am having trouble adding a new table to my database. these are the commands I entered when trying to add the new migration: Add-Migration AdminSett Scaffolding migration 'AdminSett'. The...

Non blocking REST with Spring Boot and Java 8

I need assistance. An issue with one of my endpoints timing out is causing me distress. I did some performance tweaking with SQL and other REST services I am using but it only helps a little...

Set up virtualenv using a requirements.txt generated by conda

I'm setting up a python project, using an Anaconda virtual environment. I'm generating a requirements.txt so other people can easily set up their own virtual environment for the project. I was...

Async fixtures with pytest

How do I define async fixtures and use them in async tests? The following code, all in the same file, fails miserably. Is the fixture called plainly by the test runner and not...

RuntimeError: Timeout context manager should be used inside a task

Background: I am hosting a flask server alongside a discord client The flask server just needs to pass on messages from the client to discord and from messages from discord to the client. I am...

Entity Framework Core is not creating tables in my databases

I've tried deleting and creating a new database, deleting and creating new migrations, and can't get anything to work. First, I created a new database, then put the connection string in...

Background Task in random channels Discord.py

I'm trying to get my background task to send in different channels using random.choice(). When I turn the bot on, it will send in only one random channel and that channel only. Is there a way to...

Why is initState() called twice?

initState() is called twice on the first Widget I route to. I have removed all method calls and work being done in the initState() method to exclude any possibility that it somehow calls itself....

Bitrise + Detox + React-native - Hello World Example hangs on detox.init

I'm trying to get the react-native "Hello World" app setup with Detox and running on Bitrise.io. I went through the react-native-cli getting started guide and am trying to run the simplest detox...

Flutter Bluetooth printing to Zebra

I need to add printing functionality on a zebra zq520 bluetooth thermal printer. I manage to do so using the flutter_blue plugin and the code below but I am not happy with the implementation. I...

Trying to click a button with Selenium Webdriver using Cucumber-JS

I tried the whole day to press a button in a Automated test using a different selectors (id, class and href) but I could't. With ID is more easier, but I practice with youtube and after the first...

How to upload file to Dropbox with axios

I need to upload file to Dropbox with axios. Here is my code: const uploadToExternalService = async function uploadToExternalService(token, content) { try { let res = await axios({ ...

Hyperledger Fabric 2.0.1: Error: Failed to connect before the deadline on Discoverer- name:

I think Fabric is trying to discover peers and orderers as soon as they come to realize they do exist but not matching the machine IP address. Is there a way to specify the machine IP override for...

What is the best way to use Docker for Entity Framework core update with Postgres?

Background I am building an API to hold user info in a Postgres DB, using dotnet core and EF core. I do not think it has any impact on the question following but for a background explanation, I am...

Define aiohttp ClientSession on class __init__ for later reuse

I want to create a persistent session that last until the program ends, I have the following code. import asyncio import aiohttp import atexit class Session: def __init__(self): ...

How to fetch initial data using provider in flutter effectievly

Recently, i did a flutter course. The instructor was making the get request from an API so difficult. For a hybrid framework like flutter i never thought it's so difficult. below are my code. I...

Jest - Async callback was not invoked within the 5000 ms timeout specified by jest.setTimeout.Error

I can see there are lots of questions about this on SO but none of them answer my problem. I have the following test it('will poll until there are no subscribers', () => { const polls:...

Sending the canvas image to the spring boot controller

I made a drawing on a canvas picture on the view. I need an image with the user's drawing to be saved on the server (local disk) when the button is clicked. But it doesn't work. Code: Code...

Using Behave to test asyncio application

Is it possible to test an application based on asyncio events? If not, what's a testing strategy for intra-process event bus testing in python? My application is based on pyee using an event-bus...

C# - Using ThreadPool to call Webclient.DownloadFileAsync multiple times

Hi I'm new to Multithreading- and I'm struggling to download multiple files from web using DownloadFileAsync. There are about 400 files to be download and I prepared the URLs to send request using...

Django channels + send websocket message after post request

i have a problem with my app. My django channels and websocket works absolutely fine, when i send a message from JS(inside rendered html) the message is going into websocket and after that to the...

How to wrap a Mono in an outer Mono with timeout?

I have a method that returns an async Mono. It could be a long running webservice call, database lookup, or whatever. Now I want to set a maximum timeout of that long running method of 60s. After...

html-pdf not work in docker to create pdf

i have an node js app which deploy into docker and using html-pdf library. but when tried in local docker container, it return this error: Error: spawn Unknown system error -8 at...

IronPDF Causing a Memory Leak

I am using IronPDF to generate PDF documents. My program is a web app hosted on IIS that uses ChromePdfRenderer to render PDF using an HTML string, and it sequentially generates a bunch of...

Getting DLL error when running tensorflow/keras program on python gpu 3.8

I am trying to run my simple AI program but I keep getting this DLL error: ImportError: Could not find the DLL(s) 'msvcp140_1.dll'. TensorFlow requires that these DLLs be installed in a...