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check android application is in foreground or not? [duplicate]
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Unfortunately, it can be used only for APIs > 15 due to ActivityManager.getMyMemoryState()
– Ayaz Alifov
Nov 29 '16 at 16:46
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Download JSON object as a file from browser
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You could try using:
the native JavaScript API's Blob constructor and
the FileSaver.js saveAs() method
No need to deal with any HTML elements at all.
var data = {
key: 'value'
};
var fileName = 'myData.json';
// Create a blob of the data
var fileToSave = ...
How to determine a user's IP address in node
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I have my API service installed on a no.de instance. When I try to access it from my computer, I get an IP address of "10.2.XXX.YYY" whereas my real world IP is "67.250.AAA.BBB"
– Shamoon
Nov 12 '...
Make sure that the controller has a parameterless public constructor error
...r configuration), it return null. It is forced to return null, because Web API forces it to do so due to the IDependencyResolver contract. Since Unity returns null, Web API will try to create the controller itself, but since it doesn't have a default constructor it will throw the "Make sure that the...
How to override to_json in Rails?
...nation of as_json. As you can see in the ActiveRecord::Serialization docs (api.rubyonrails.org/classes/ActiveRecord/…), there is very little (no) documentation for this. I will give this a try :)
– maček
Apr 4 '10 at 17:53
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Using Java 8 to convert a list of objects into a string obtained from the toString() method
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There is a collector joining in the API.
It's a static method in Collectors.
list.stream().map(Object::toString).collect(Collectors.joining(","))
Not perfect because of the necessary call of toString, but works. Different delimiters are possible.
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What is the difference between == and equals() in Java?
...and so you're left with the Object#equals(Object o) method. Per the Object API this is the same as ==; that is, it returns true if and only if both variables refer to the same object, if their references are one and the same. Thus you will be testing for object equality and not functional equality....
Why does instanceof return false for some literals?
...kind of type than objects created from within Javascript. From the Mozilla API docs:
var color1 = new String("green");
color1 instanceof String; // returns true
var color2 = "coral";
color2 instanceof String; // returns false (color2 is not a String object)
I can't find any way to construct primi...
How to create an HTTPS server in Node.js?
... work anymore. Please see the answer by pkyeck below, or go to: nodejs.org/api/https.html
– Jay Sheth
Apr 8 '14 at 19:16
2
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Does Java SE 8 have Pairs or Tuples?
...y mind.
Note however that JavaFX has the javafx.util.Pair class. JavaFX's APIs evolved separately from the Java SE APIs.
As one can see from the linked question What is the equivalent of the C++ Pair in Java? there is quite a large design space surrounding what is apparently such a simple API. Sho...