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Java: Static vs inner class [duplicate]
What is the difference between static and non-static nested class?
8 Answers
8
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Array vs. Object efficiency in JavaScript
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The short version: Arrays are mostly faster than objects. But there is no 100% correct solution.
Update 2017 - Test and Results
var a1 = [{id: 29938, name: 'name1'}, {id: 32994, name: 'name1'}];
var a2 = [];
a2[29938] = {id: 29938, name: 'name1'};
a2[32994] = {id: 32994, name: 'name1'};
v...
MySQL “Group By” and “Order By”
...table of e-mails and group them by the from sender. My query looks like this:
6 Answers
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Interface vs Base class
...abstract class Mammal, for both of them:
public abstract class Mammal
This base class will probably have default methods such as:
Feed
Mate
All of which are behavior that have more or less the same implementation between either species. To define this you will have:
public class Dog : Mammal...
What does “program to interfaces, not implementations” mean?
One stumbles upon this phrase when reading about design patterns.
7 Answers
7
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How do I get the path of the current executed file in Python?
This may seem like a newbie question, but it is not. Some common approaches don't work in all cases:
13 Answers
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How to get a subset of a javascript object's properties
...bject);
console.log(picked); // { a: 5, c: 7 }
From Philipp Kewisch:
This is really just an anonymous function being called instantly. All of this can be found on the Destructuring Assignment page on MDN. Here is an expanded form
let unwrap = ({a, c}) => ({a, c});
let unw...
Auto-size dynamic text to fill fixed size container
I need to display user entered text into a fixed size div. What i want is for the font size to be automatically adjusted so that the text fills the box as much as possible.
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Alternatives to JavaScript
...nguage, and the de-facto standard for DOM tree manipulation in the browser is JavaScript. It looks like it has deep design issues that make it a minefield of bugs and security holes for the novice.
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How many threads is too many?
... server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
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