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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...her digging I have concluded that you can set the transparency of an image by setting the globalAlpha parameter BEFORE you draw the image:
//works with images
ctx.globalAlpha = 0.5
If you want to achieve a fading effect over time you need some kind of loop that changes the alpha value, this is fa...
Inheritance and Overriding __init__ in python
...the example I child still prints "Grandma". Isn't grandparent init handled by the Parent class?
– Adam
Apr 30 '14 at 22:17
4
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How do you use Mongoose without defining a schema?
...u looking for Mongoose Strict
option: strict
The strict option, (enabled by default), ensures that values added to our model instance that were not specified in our schema do not get saved to the db.
Note: Do not set to false unless you have good reason.
var thingSchema = new Schema({..}, {...
Why do we use $rootScope.$broadcast in AngularJS?
...cast accept a parameter where you can pass an Object that will be received by $on using a callback function
Example:
// the object to transfert
var myObject = {
status : 10
}
$rootScope.$broadcast('status_updated', myObject);
$scope.$on('status_updated', function(event, obj){
console...
List of remotes for a Git repository?
... -v for "verbose" is actually the more common option. It's also supported by git branch. The basic difference is short vs long options (single vs double dash, essentially) That said, supporting --list with the remote subcommand would make sense. If you really want it, I'd say submit a feature re...
Show constraints on tables command
...ons are stored! If they're for you - it must have been done on your behalf by some RDBMS tool.
– stamster
Feb 24 '18 at 18:13
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adding multiple entries to a HashMap at once in one statement
...thods can’t have two var-args parameters. So the general case is handled by taking a var-args method of Map.Entry<K, V> objects and adding a static entry() method that constructs them. For example:
Map<String, Integer> cities = Map.ofEntries(
entry("Brussels", 1139000),
entry...
What is a .snk for?
... Please update the link in the answer (to the one suggested by @asfeynman), since the link is dead, and not everyone reads the comments.
– XelaNimed
Jul 22 at 11:13
...
Maven: missing net.sf.json-lib
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Wrapping null-returning method in Java with Option in Scala?
... imageUploader: {
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