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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.
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Java Reflection Performance
Does creating an object using reflection rather than calling the class constructor result in any significant performance differences?
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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...
Using a 'using alias = class' with generic types? [duplicate]
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Disappointing answer but upvoting all the same (since the answer is correct and relevant). :-/
– BrainSlugs83
Aug 30 '14 at 3:26
13
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Django using get_user_model vs settings.AUTH_USER_MODEL
...s.AUTH_USER_MODEL will delay the retrieval of the actual model class until all apps are loaded. get_user_model will attempt to retrieve the model class at the moment your app is imported the first time.
get_user_model cannot guarantee that the User model is already loaded into the app cache. It mi...
What is the Python 3 equivalent of “python -m SimpleHTTPServer”
...as been merged into http.server in Python 3.0. The 2to3 tool will automatically adapt imports when converting your sources to 3.0.
So, your command is python -m http.server, or depending on your installation, it can be:
python3 -m http.server
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