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Find a pair of elements from an array whose sum equals a given number
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Implementation in Java : Using codaddict's algorithm (Maybe slightly different)
import java.util.HashMap;
public class ArrayPairSum {
public static void main(String[] args) {
int []a = {2,45,7,3,5,1,8,9};
printSumPairs(a,1...
How to determine a Python variable's type?
...See the examples below, but there's no "unsigned" type in Python just like Java.
Positive integer:
>>> v = 10
>>> type(v)
<type 'int'>
Large positive integer:
>>> v = 100000000000000
>>> type(v)
<type 'long'>
Negative integer:
>>> v = ...
Regular Expressions: Is there an AND operator?
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Use a non-consuming regular expression.
The typical (i.e. Perl/Java) notation is:
(?=expr)
This means "match expr but after that continue matching at the original match-point."
You can do as many of these as you want, and this will be an "and." Example:
(?=match this expression)(?...
What is “runtime”?
... is called the translation environment in the C standard.
Examples:
the Java runtime consists of the virtual machine and the standard library
a common C runtime consists of the loader (which is part of the operating system) and the runtime library, which implements the parts of the C language whi...
Difference between static class and singleton pattern?
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What's a static class? At least in Java, there's no such thing.
– Henrique Ordine
Aug 25 '12 at 9:00
17
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What's so great about Lisp? [closed]
...languages. For instance, once you really "get" closures, you'll understand Java's inner classes. And once you "get" first-class functions, you'll be depressed every time you use a language without them.
I've read The Little Schemer and am reading Practical Common Lisp, which are both excellent.
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ViewPager with previous and next page boundaries
... from here(ViewPager with previous and next page boundaries)
MainActivity.java
package com.deepshikha.viewpager;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Build;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivit...
How to change root logging level programmatically for logback
...ail to understand why something as simple as Logging is so complicated in Java/Scala.
– Abhinandan Dubey
Jan 15 '19 at 16:04
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How to get a JavaScript object's class?
I created a JavaScript object, but how I can determine the class of that object?
18 Answers
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Exception thrown in catch and finally clause
On a question for Java at the university, there was this snippet of code:
12 Answers
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