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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...
What is the difference between MediaPlayer and VideoView in Android
...what Mark (CommonsWare) advised on numerous threads here, VideoView is a wrapper (200 hundred lines of code) for MediaPlayer and SurfaceView to provide embedded controls.
He also kindly shared some examples:
https://github.com/commonsguy/cw-advandroid/blob/master/Media/Video/src/com/commonsware/an...
Origin is not allowed by Access-Control-Allow-Origin
...e, it does not need to be part of the client's request. Specifically what happens is before the client makes the actual request you want, the browser sends an OPTIONS request before it, and if the server's response to that OPTIONS request does not contain the header, the browser will not send your d...
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....
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...
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
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How to format a Java string with leading zero?
...
In case you have to do it without the help of a library:
("00000000" + "Apple").substring("Apple".length())
(Works, as long as your String isn't longer than 8 chars.)
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How to change the text on the action bar
Currently it just displays the name of the application and I want it to display something custom and be different for each screen in my app.
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