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What exactly is metaprogramming?
... eval("x" + i). DoSomething() would affect an object called x1 when i is 1 and x2 when i is 2.
Finally, another common form of metaprogramming is when the program can change itself in non-trivial fashions. LISP is well known for this and is something Paul Graham championed about a decade ago. I'll ...
Concurrent.futures vs Multiprocessing in Python 3
...ures , which appear to be some advanced combination of the older threading and multiprocessing modules.
1 Answer
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What's the difference between @Component, @Repository & @Service annotations in Spring?
Can @Component , @Repository and @Service annotations be used interchangeably in Spring or do they provide any particular functionality besides acting as a notation device?
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Regular expression to match URLs in Java
...fully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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What are the differences between a HashMap and a Hashtable in Java?
What are the differences between a HashMap and a Hashtable in Java?
35 Answers
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How do I navigate in the results of Diff
When I do a Git diff, it shows the code with the diff and it looks great. But how do I go to the next page or the next document.
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What is an initialization block?
... are two types of initialization blocks:
instance initialization blocks, and
static initialization blocks.
This code should illustrate the use of them and in which order they are executed:
public class Test {
static int staticVariable;
int nonStaticVariable;
// Static init...
When should I use the assets as opposed to raw resources in Android?
I'm in the mid of my Android studies, and I just covered the Assets and Raw resources. I'm trying to understand the reason for using Raw resources vs. Assets.
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Why {} + {} is NaN only on the client side? Why not in Node.js?
While [] + [] is an empty string, [] + {} is "[object Object]" , and {} + [] is 0 . Why is {} + {} NaN?
1 Answer
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Performance optimization strategies of last resort [closed]
...ite already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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