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What is the best way to check for Internet connectivity using .NET?
...s and offices block the ping protocol. If you are using this method for an application that will be used by clients I would advise against this method of checking internet
– user1
Apr 29 '15 at 11:26
...
node.js, socket.io with SSL
...is how I managed to set it up with express:
var fs = require( 'fs' );
var app = require('express')();
var https = require('https');
var server = https.createServer({
key: fs.readFileSync('./test_key.key'),
cert: fs.readFileSync('./test_cert.crt'),
ca: fs.readFileSync('./test_ca.c...
iOS - Calling App Delegate method from ViewController
...
You can access the delegate like this:
MainClass *appDelegate = (MainClass *)[[UIApplication sharedApplication] delegate];
Replace MainClass with the name of your application class.
Then, provided you have a property for the other view controller, you can call something l...
Unauthorised webapi call returning login page rather than 401
...orizeAttribute will redirect to the login page.
Updated 11/26/2013
So it appears things have drastically changed with MVC 5 as Brock Allen pointed out in his article. I guess the OWIN pipeline takes over and introduces some new behavior. Now when the user is not authorized a status of 200 is re...
How can I list all collections in the MongoDB shell?
...ons
The reason I call that non-JavaScript is because:
$ mongo prodmongo/app --eval "show collections"
MongoDB shell version: 3.2.10
connecting to: prodmongo/app
2016-10-26T19:34:34.886-0400 E QUERY [thread1] SyntaxError: missing ; before statement @(shell eval):1:5
$ mongo prodmongo/app --eva...
Differences between Microsoft .NET 4.0 full Framework and Client Profile
...t Profile:
Always target NET4 Client Profile for all your client desktop applications (including Windows Forms and WPF apps).
NET4 Full framework:
Target NET4 Full only if the features or assemblies that your app need are not included in the Client Profile. This includes:
If you are...
Determine on iPhone if user has enabled push notifications
...ser has, via settings, enabled or disabled their push notifications for my application.
19 Answers
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Django using get_user_model vs settings.AUTH_USER_MODEL
...TH_USER_MODEL will delay the retrieval of the actual model class until all apps are loaded. get_user_model will attempt to retrieve the model class at the moment your app is imported the first time.
get_user_model cannot guarantee that the User model is already loaded into the app cache. It might ...
What is the difference between a .xib file and a .storyboard?
...
Apple introduced the concept of "storyboarding" in iOS5 SDK to simplify and better manage screens in your app. You can still use the .xib way of development.
Pre-storyboard, each UIViewController had an associated .xib with...
java.net.ConnectException: Connection refused
...ase I had four Gennymotion simulators running and I was trying to load the app on Galaxy tab and I was getting this error. after reading a lot from the buddy WEB, I then closed out all the simulators and eclipse, killed the ADP in the task manager and then restarted the Eclipse and everything is st...