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Check if Internet Connection Exists with Javascript? [duplicate]
...online = navigator.onLine;
Read more about the W3C's spec on offline web apps, however be aware that this will work best in modern web browsers, doing so with older web browsers may not work as expected, or at all.
Alternatively, an XHR request to your own server isn't that bad of a method for te...
How to use NSURLConnection to connect with SSL for an untrusted cert?
... open source (BSD license) library called ASIHTTPRequest that provides a wrapper around the lower-level CFNetwork APIs. They recently introduced the ability to allow HTTPS connections using self-signed or untrusted certificates with the -setValidatesSecureCertificate: API. If you don't want to pull ...
How do I add a Fragment to an Activity with a programmatically created content view
..., and that view must have a custom id. Using the default id will crash the app. Here's the updated code:
public class DebugExampleTwo extends Activity {
private static final int CONTENT_VIEW_ID = 10101010;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.on...
How to check internet access on Android? InetAddress never times out
...ld. As of 2013 it served 130 billion requests a day. Let 's just say, your app would probably not be the talk of the day.
Which permissions are required?
<uses-permission android:name="android.permission.INTERNET" />
Just internet access - surprise ^^ (Btw have you ever thought about, how s...
Canary release strategy vs. Blue/Green
...s exactly like the old until someone flips a feature toggle. Breaking your application into small, independently releaseable services is another, since there is less to test and less that can break.
You need to do a canary release if you're not completely certain that the new version will function ...
OSGi, Java Modularity and Jigsaw
...it will offer a module system that may be used by other Java libraries and applications.
My position is that something like Jigsaw is probably necessary for the JRE only, but that it will create far more problems than it claims to solve if used by other Java libraries or apps.
The JRE is a very di...
How to add a button to PreferenceScreen
...
There is another solution for customizing the appearance of the preferences.
Design a normal XML layout with buttons or whatever you want to add to the standard preferences. Include a ListView in your layout and give it the ID @android:id/list.
Let's say we call the la...
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
...to update all of your MVC Action methods Authorize attribute, compile your application, test and deploy. Some days later, you decided, not marketing but some other role should be allowed to do the task, so you search in your codebase and delete all 'Marketing' from Authorize attribute and add your n...
Textarea onchange detection
...
This is the best approach. I don't like the inferences here (browser support for addEventListener does not imply support for the input event, or vice versa); feature detection would be better. See this blog post for a discussion of this.
...
Using WebAPI or MVC to return JSON in ASP.NET
I'm building an ASP.NET MVC application that is client-script heavy, it will use JSON and jQuery to manipulate the DOM.
6 A...