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What does it mean if a Python object is “subscriptable” or not?
...ribes objects that are "containers", meaning they contain other objects. This includes strings, lists, tuples, and dictionaries.
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What is The Rule of Three?
...duction
C++ treats variables of user-defined types with value semantics.
This means that objects are implicitly copied in various contexts,
and we should understand what "copying an object" actually means.
Let us consider a simple example:
class person
{
std::string name;
int age;
public:
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Difference between PCDATA and CDATA in DTD
What is the difference between #PCDATA and #CDATA in DTD ?
6 Answers
6
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What exactly is Python multiprocessing Module's .join() Method Doing?
...le ) and would love some clarification on what exactly the join() method is doing.
6 Answers
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onSaveInstanceState () and onRestoreInstanceState ()
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Usually you restore your state in onCreate(). It is possible to restore it in onRestoreInstanceState() as well, but not very common. (onRestoreInstanceState() is called after onStart(), whereas onCreate() is called before onStart().
Use the put methods to store values in o...
Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...onized method over the synchronized block with an example? Thanks.
There is not a clear advantage of using synchronized method over the block.
Perhaps the only one ( but I wouldn't call it an advantage ) is you don't need to include the object reference this.
Method:
public synchronized void m...
How to implement a queue using two stacks?
...outbox.
Enqueue:
Push the new element onto inbox
Dequeue:
If outbox is empty, refill it by popping each element from inbox and pushing it onto outbox
Pop and return the top element from outbox
Using this method, each element will be in each stack exactly once - meaning each element will be ...
What do the terms “CPU bound” and “I/O bound” mean?
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It's pretty intuitive:
A program is CPU bound if it would go faster if the CPU were faster, i.e. it spends the majority of its time simply using the CPU (doing calculations). A program that computes new digits of π will typically be CPU-bound, it's just cru...
Absolute positioning ignoring padding of parent
... has to honor the padding of the parent and it's not doing that. The child is pressed right up against the edge of the parent.
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Generate random number between two numbers in JavaScript
Is there a way to generate a random number in a specified range (e.g. from 1 to 6: 1, 2, 3, 4, 5, or 6) in JavaScript?
23 A...