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Questions tagged [connectivity]

Anything related to connectivity, i.e. the ability of systems to communicate with remote systems using some form of communication channel. Often used for questions on network connectivity.

Anything related to connectivity, i.e. the ability of systems to communicate with remote systems using some form of communication channel. Often used for questions on network connectivity.

720 questions
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Azure SQL Database Connectivity Issues - Too many connections?

I have a site which is a white label (Multiple versions of the same site) which I've launched recently. There isn't a great deal of traffic yet - mainly bots but probably 800 users per day. It is hosted on Azure with an Azure database in addition to…
McGaz
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How exactly does Android determine whether it's online?

How exactly does Android determine the difference between the following states? Has a network interface active (e.g. Wifi or 3G), but unable to access the internet. Has a network interface active, and needs to ask the user to sign in to a network…
Alistair Cunningham
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4 answers

Docker's `docker0` device dies repeatedly (`inet addr` disappears)

I'm running Docker version 1.4.1, build 5bc2ff8 on Ubuntu 14.04. When I docker run any container, after a few minutes my docker0 bridge "dies", and the container stops being able to reach the network. Before the connection dies, running ifconfig…
Bosh
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Miniconda on WSL2 (Ubuntu 20.04) fails with CondaHTTPError: HTTP 000 CONNECTION FAILED

I am on a WSL2 with Ubuntu and wanted to install Miniconda version 4.9.2. The installation went effortlessly, but I can now not connect to anaconda to install packages. Also simple commands like conda update conda fail with Collecting package…
muuh
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2 answers

Why does ping works on some devices and not others?

I have the following code in my app: Runtime runtime = Runtime.getRuntime(); Process process = runtime.exec("/system/bin/ping -c 1 8.8.8.8"); return process.waitFor(); I see that it works (i.e. returns 0) on some devices (e.g. Motorola G) but…
Adil Hussain
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6 answers

Programmatically check whether my machine has internet access or not

How can I programmatically check whether my machine has internet access or not using C/C++, is it just a matter of pinging an IP? How does NIC do it ? I mean something like: I am using Windows 7.
Aan
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Fixed-error: How to Solve The return type 'StreamController' isn't a 'Stream', as defined by anonymous closure error

I was following the below tutorial for connectivity status based on internet connection. link : https://www.filledstacks.com/post/make-your-flutter-app-network-aware-using-provider-and-connectivity-status/ now the issue is, then i am trying to…
princeoo7
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ASP.NET Core - Application not connecting to database after publishing

I created a simple ASP.Net Core application with user authentication (so all the Entity Framework has been preloaded into the web app template). It is connecting to my database with the connectionString that is located in my appsettings.json file,…
Edward
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Reachability not working when wi-fi connected but no internet

I am using Apple's reachability code, and am setting up both initial notifications on when network reachability changes and prior to initiating a server connection. The code works when I am on wi-fi and I turn the wi-fi access point off. However,…
R.S
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BroadcastReceiver for CONNECTIVITY_ACTION always returns null in intent.getExtras()

Im trying to receive BroadcastMessages from CONNECTIVITY_ACTION: // register BroadcastReceiver on network state changes final IntentFilter mIFNetwork = new IntentFilter(); …
Stan
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k-vertex connectivity of a graph

is there any pseudo-code implementation that shows how to compute the k-vertex connectivity of a graph?
Bob
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4 answers

How to share host VPN connection with VM instances in Hyper-V?

I'm running my workstation on Server 2008 and a few servers in Hyper-V VM's on that server. I connect to my corporate LAN using VPN from the main OS (the host) but my VM's aren't seeing the servers in the corporate LAN. Internet and local access to…
sergiopereira
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How to fake network connection type changes in iOS simulator?

I would like to test my iOS application with all the network conditions possible, including quality of the connection (offline, poor, good) and carrier (WiFi, 3G). For the former, others have already suggested using the Network Link Conditioner,…
Lvsti
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Objective-C/iOS: Keeping bluetooth connection alive in the background

I've been researching this for a couple of days now and looks like it's not possible to keep bluetooth connection alive while the phone goes to sleep or if the app is in the background. However, I have found one app that claims they can run all the…
user1122025
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Continuously check internet disconnection on Flutter app

I'm creating a mobile application on Flutter and I'm calling REST API's created on Node.js in order to connect and query my oracle DB all the time. I've use so far the connectivity 0.3.2 in order to check the network connectivity before the async…
nike
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