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What is meaning of boolean value returned from an event-handling method in Android
... in the rest of the events in that gesture. A "gesture" in this case means all events until the final ACTION_UP or ACTION_CANCEL. Returning false from an ACTION_DOWN means you do not want the event and other views will have the opportunity to handle it. If you have overlapping views this can be a si...
Java Enum definition
...? By making the type argument the new type itself. So if I've got an enum called StatusCode, it would be equivalent to:
public class StatusCode extends Enum<StatusCode>
Now if you check the constraints, we've got Enum<StatusCode> - so E=StatusCode. Let's check: does E extend Enum<S...
Where to place and how to read configuration resource files in servlet based application?
...
It's your choice. There are basically three ways in a Java web application archive (WAR):
1. Put it in classpath
So that you can load it by ClassLoader#getResourceAsStream() with a classpath-relative path:
ClassLoader classLoader = Thread.currentThread().ge...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
...gh the billion numbers, whenever you encounter a number greater than the smallest number in the queue (the head of the queue), remove the head of the queue and add the new number to the queue.
EDIT:
as Dev noted, with a priority queue implemented with a heap, the complexity of insertion to queue is...
Is there a faster/shorter way to initialize variables in a Rust struct?
...s one additional statement for each field to assign a value to the fields. All I want to be able to do is to assign default values when the struct is instantiated.
...
Java Reflection Performance
Does creating an object using reflection rather than calling the class constructor result in any significant performance differences?
...
Difference between decimal, float and double in .NET?
...n a decimal form, and expect exact results in decimal representations; not all decimal numbers are exactly representable in binary floating point – 0.1, for example – so if you use a binary floating point value you'll actually get an approximation to 0.1. You'll still get approximations when usi...
What's the difference between the various methods to get a Context?
...ion about contexts as well:
In a regular Android application, you
usually have two kinds of Context,
Activity and Application.
Reading the article a little bit further tells about the difference between the two and when you might want to consider using the application Context (Activity.get...
How to search for file names in Visual Studio?
...e from Google or elsewhere, this answer is probably the best answer out of all of them.
To summarize, simply hit:
CTRL + ,
And then start typing the file name.
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New to MongoDB Can not run command mongo
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After installing the MongoDB you should manually create a data folder.
By default MongoDB will store data in /data/db,
but it won't automatically create that directory. To create it, do:
$ sudo mkdir -p /data/db/
$ sudo chown `id -...