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What is scope/named_scope in rails?
... whats the advantages of this over say defining a method in the User Class called 'subscribedUsers'? e.g. 'def self.subscribedUsers self.where(:subscribed_to_newsletter => true) end
– redroot
Apr 29 '11 at 9:05
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How to define two angular apps / modules in one page?
...eated an alternative directive that doesn't have ngApp's limitations. It's called ngModule. This is what you code would look like when you use it:
<!DOCTYPE html>
<html>
<head>
<script src="angular.js"></script>
<script src="angular.ng-modules.js...
In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...nil;
Will be transformed to:
NSError * __strong error = nil;
When you call your save method:
- ( BOOL )save: ( NSError * __autoreleasing * );
The compiler will then have to create a temporary variable, set at __autoreleasing. So:
NSError * error = nil;
[ database save: &error ];
Will ...
Stopping an Android app from console
...mmediately upon running a shell. That can probably be refined slightly to call su beforehand.
Otherwise, you can do (manually, or I suppose scripted):
pc $ adb -d shell
android $ su
android # ps
android # kill <process id from ps output>
...
AngularJS : The correct way of binding to a service properties
... find myself having to modify markup and controller logic when changes are called for, anyway. So the extra effort of writing the API negates it's advantage.
-1 Furthermore, this approach isn't very DRY.
-1 If you want to bind the data to ng-model your code become even less DRY as you have to re-pac...
How do you check if a selector matches something in jQuery? [duplicate]
...y poor code design if you are doing math on the return value of a function called exists... IMHO :) Actually adding a one-liner extension, like exists() that is 2 characters longer than what it replaces is silly to begin with for JS! :)
– Gone Coding
Sep 15 '15...
What is WCF RIA services?
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RIA services is a server-side technology that automatically generates client-side (Silverlight) objects that take care of the communication with the server for you and provide client-side validation.
The main object inside a RIA service is a DomainService, usually a LinqToEntit...
What's invokedynamic and how do I use it?
...It is a new JVM instruction which allows a compiler to generate code which calls methods with a looser specification than was previously possible -- if you know what "duck typing" is, invokedynamic basically allows for duck typing. There's not too much you as a Java programmer can do with it; if you...
Kill process by name?
I'm trying to kill a process (specifically iChat). On the command line, I use these commands:
15 Answers
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Is there a way to hide the scroll indicators in a UIScrollView?
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As of iOS 11, this should be called in viewWillAppear, it doesn't work if called in viewDidLoad
– melvinto
Mar 8 '18 at 17:38
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