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Update MongoDB field using value of another field
...so for update operations that require "type casting" you will need client side processing, and depending on the operation, you may need to use the find() method instead of the .aggreate() method.
MongoDB 3.2 and 3.0
The way we do this is by $projecting our documents and use the $concat string aggr...
How to disable an Android button?
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Did you try this?
myButton.setEnabled(false);
Update: Thanks to Gwen. Almost forgot that android:clickable can be set in your XML layout to determine whether a button can be clickable or not.
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How to remove array element in mongodb?
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Try the following query:
collection.update(
{ _id: id },
{ $pull: { 'contact.phone': { number: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value i...
WebView and HTML5
... our websites... Pretty simple with the WebViewClient . until I hit the video.
13 Answers
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How to read an external local JSON file in JavaScript?
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Could you please guide me how I can run a local server in this case? What do I need to do in order to get the local server run?
– user2864315
Oct 31 '13 at 12:08
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Why do we need tuples in Python (or any immutable data type)?
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@musicfreak, see the edit I just did where building a tuple is over 7.6 times faster than building the equivalent list -- now you can't say you've "never seen a noticeable difference" any more, unless your definition of "noticeable" is truly peculiar...
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How to handle anchor hash linking in AngularJS
...call it in your controller, and it will scroll you to any element with the id found in $location.hash()
app.controller('TestCtrl', function($scope, $location, $anchorScroll) {
$scope.scrollTo = function(id) {
$location.hash(id);
$anchorScroll();
}
});
<a ng-click="scrollTo('fo...
How do I configure Maven for offline development?
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Also consider you can use "mvn dependency:go-offline" to ensure all the dependencies referred to in your pom.xml are present in your local repository.
– Thorbjørn Ravn Andersen
May 3 '14 at 16:0...
How should equals and hashcode be implemented when using JPA and Hibernate
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Hibernate has a nice and long description of when / how to override equals() / hashCode() in documentation
The gist of it is you only need to worry about it if your entity will be part of a Set or if you're going to be detaching / attaching its instances. The latter is not that common. T...
Getting the location from an IP address [duplicate]
...good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, and MySQL for the database.
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