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Combine multiple Collections into a single logical Collection?
... seen the read-only requirement earlier).
From the Iterables.concat( .. ) JavaDocs:
Combines multiple iterables into a
single iterable. The returned iterable
has an iterator that traverses the
elements of each iterable in inputs.
The input iterators are not polled
until necessary. The...
What is the proper way to URL encode Unicode characters?
...lack of awareness of the problem amongst many developers. (I regularly ask Java interviewees what the difference between a Reader and an InputStream is, and regularly get blank looks)
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improv...
What are good uses for Python3's “Function Annotations”
...emselves invaluable for enabling smart static analyzers for languages like Java. For instance, you could define semantics like state restrictions, threads that are allowed to access, architecture limitations, etc., and there are quite a few tools that can then read these and process them to provide ...
Comment the interface, implementation or both?
...t the interface
on implementation, document the implementation specifics
Java specific: when documenting the implementation, use {@inheritDoc} tag to "include" javadocs from the interface.
For more information:
Official javadoc documentation
Some unofficial advice.
...
browser sessionStorage. share between tabs?
...
Here is a solution to prevent session shearing between browser tabs for a java application. This will work for IE
(JSP/Servlet)
In your first JSP page, onload event call a servlet (ajex call) to setup a "window.title" and event tracker in the session(just a integer variable to be set as 0 for fir...
Simplest/Cleanest way to implement singleton in JavaScript?
What is the simplest/cleanest way to implement singleton pattern in JavaScript?
37 Answers
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What is the difference between Class and Klass in ruby?
... substituted instead. This is a common idiom in many other languages, e.g. Java and C#.
– Scott
Nov 28 '10 at 22:02
so...
Deserialize JSON to ArrayList using Jackson
I have a Java class MyPojo that I am interested in deserializing from JSON. I have configured a special MixIn class, MyPojoDeMixIn , to assist me with the deserialization. MyPojo has only int and String instance variables combined with proper getters and setters. MyPojoDeMixIn looks somet...
How do I implement interfaces in python?
... ducktyping, which means that the places where you must have interfaces in Java, you don't have to have them in Python.
That said, there are still several uses for interfaces. Some of them are covered by Pythons Abstract Base Classes, introduced in Python 2.6. They are useful, if you want to make b...
What do the return values of node.js process.memoryUsage() stand for?
...memory. This space is called Resident Set. V8 uses a scheme similar to the Java Virtual Machine and divides the memory into segments:
Code: the actual code being executed
Stack: contains all value types (primitives like integer or Boolean) with pointers referencing objects on the heap and pointe...