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When and why should I use fragments in Android applications? [duplicate]
I often need the different parts of my applications to have their own special behavior and UI, and I don't know how fragments can help. In most cases, I think it is quicker to create 2 different activities (e.g., 1 for tablets and 1 for handsets), and to share the common behaviors and events in a th...
How to add custom validation to an AngularJS form?
...ther answer suggested, you can simply roll your own validation directive.
app.directive('blacklist', function (){
return {
require: 'ngModel',
link: function(scope, elem, attr, ngModel) {
var blacklist = attr.blacklist.split(',');
//For DOM -> model validatio...
What do I have to do to get Core Data to automatically migrate models?
... found out that this is quite simple - once you know where to look.
In my AppDelegate I set-up the NSPersistentStoreCoordinator - and you need to add some options to this to tell it to handle auto-migrate:
NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBoo...
How to determine a user's IP address in node
...xample, the request passed through proxy1, proxy2, and then proxy3. proxy3 appears as remote address of the request.
This is the solution suggested by Arnav Gupta with a fix Martin has suggested below in the comments for cases when x-forwarded-for is not set :
var ip = (req.headers['x-forwarded-f...
SyntaxError: Use of const in strict mode
... runtime flag. So by upgrading to Node.js 4.x or newer the error should disappear.
To enable some of the ECMAScript 2015 features (including const and let) in Node.js 0.10 and 0.12; start your node program with a harmony flag, otherwise you will get a syntax error. For example:
node --harmony app....
Android OpenGL ES and 2D
...t the very basic GLSurfaceView samples/demos.
Start, by setting up your app activity, and set up the basic canvas.
Take a loot at the replica island source code file: GameRenderer.java for how to setup your canvas with the proper GL flags for 2D (sprite) rendering.
You should really take a look ...
How can I run a directive after the dom has finished rendering?
I've got a seemingly simple problem with no apparent (by reading the Angular JS docs) solution.
6 Answers
...
FAQ Section: SMS - Frequently Asked Questions - MIT App Inventor Community
... background-color: #ffffff;
}
#d-splash .preloader-text-wrapper {
color: #222222;
}
}
/* then deal with dark scheme */
@media (prefers-color-scheme: dark) {
html {
background-color: #ffffff;
}
#d-splash .preloader-text-wrapper {
...
Window vs Page vs UserControl for WPF navigation?
I am currently writing a desktop application, but I cannot seem to get my head around what to use when redirecting someone to a new section of the application.
...
Recommendations of Python REST (web services) framework? [closed]
...sage
render_txt = lambda message: message
urls = (
'/(.*)', 'greet'
)
app = web.application(urls, globals())
class greet:
@mimerender(
default = 'html',
html = render_html,
xml = render_xml,
json = render_json,
txt = render_txt
)
def GET(se...