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Is recursion a feature in and of itself?
...ice, it is expected of all (ordinary) modern compilers - and certainly all Java compilers! - but it is not universally true.
As a contrived example of why recursion might not be supported, consider a compiler that stores the return address for a function in a static location; this might be the case...
How do I get a substring of a string in Python?
...
And just for completeness, Java is like Python in that the String.substring() method takes start and one-past-end. This one just bit me hard, I had assumed it was length like every other substring function in the world.
– PhilHibb...
Gridview height gets cut
...ng his work for the GridView has been dead easy.
ExpandableHeightGridView.java:
package com.example;
public class ExpandableHeightGridView extends GridView
{
boolean expanded = false;
public ExpandableHeightGridView(Context context)
{
super(context);
}
public Expanda...
How to unzip files programmatically in Android?
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Android has build-in Java API. Check out java.util.zip package.
The class ZipInputStream is what you should look into. Read ZipEntry from the ZipInputStream and dump it into filesystem/folder. Check similar example to compress into zip file.
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How does LMAX's disruptor pattern work?
...f the buffer slots (see further for details). The array is accessed like a java#AtomicIntegerArray, so for the purpose of this explenation you may as well assume it to be one.
There can be any number of producers. When the producer wants to write to the buffer, an long number is generated (as in ca...
Separation of business logic and data access in django
...tice from a colleague of mine that uses this layering technique a lot with Java projects (JSF), e.g:
models.py
class Book:
author = models.ForeignKey(User)
title = models.CharField(max_length=125)
class Meta:
app_label = "library"
services.py
from library.models import Book
d...
How do I do a multi-line string in node.js?
...ith the rise of node.js, multi-line strings are becoming more necessary in JavaScript.
9 Answers
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Random Gaussian Variables
...assian-normal-distribution-random-numbers
This feature is included in the Java SDK. Its implementation is available as part of the documentation and is easily ported to C# or other .NET languages.
If you're looking for pure speed, then the Zigorat Algorithm is generally recognised as the fastest ...
How to find an available port?
...When using new ServerSocket(0), care should be taken to close it! Based on javasourcecode.org/html/open-source/eclipse/eclipse-3.5.2/org/…, slightly adapted in my gist.github.com/3429822
– vorburger
Aug 22 '12 at 22:09
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Maven2: Missing artifact but jars are in place
...emoved the error from pom.xml. However, I was not able to use Logger in my java classes.
– Jobin Thomas
Nov 4 '16 at 18:22
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