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What is recursion and when should I use it?
...4 * 3 * 2 * 1. This function solves this in C# for positive integers (not tested - there may be a bug).
public int Factorial(int n)
{
if (n <= 1)
return 1;
return n * Factorial(n - 1);
}
share
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Android: How can I pass parameters to AsyncTask's onPreExecute()?
...erface MyGenericMethod {
int execute(String param);
}
protected class testtask extends AsyncTask<MyGenericMethod, Void, Void>
{
public String mParam; // member variable to parameterize the function
@Override
protected Void doInBackground(MyGenericMeth...
Permutations in JavaScript?
...arison
Feel free to add your implementation to the following benchmark.js test suite:
function permute_SiGanteng(input) {
var permArr = [],
usedChars = [];
function permute(input) {
var i, ch;
for (i = 0; i < input.length; i++) {
ch = input.splice(i, 1)[0];
...
How to paste yanked text into the Vim command line
...
Yup, works in Linux too. Tested under GNOME in both Vim and GVim.
– Teoulas
Oct 27 '11 at 9:26
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Solving “Who owns the Zebra” programmatically?
... @BenBurns: no reason. The answer was written in 2008. If you've tested it and it produces the same result then you could update the installation instructions and the corresponding links to the docs (it doesn't change the essential aspects of the answer -- you are free to edit it).
...
What are the big improvements between guava and apache equivalent libraries?
...n in doubt, leave it out". Also, using the @Beta annotation allows them to test some design choices without committing to a specific API.
The design choices mentioned above allow for a very compact API. Simply look at the MapMaker to see the power packed inside a "simple" builder. Other good (albei...
How to handle many-to-many relationships in a RESTful API?
...t match some natural key (e.g. Name). This is custom code that needs to be tested, costs more money and time etc etc
To avoid needing custom recovery code, we can implement PUT instead of POST.
From the RFC:
the intent of PUT is idempotent
For an operation to be idempotent, it needs to exclu...
Xcode Project vs. Xcode Workspace - Differences
...tly different versions of an app (iPad/iPhone, different brandings,…) or test cases that naturally need to access the same source files as the app. All these related targets can be grouped in a project. While the project contains the files from all its targets, each target picks its own subset of ...
#pragma once vs include guards? [duplicate]
...
From a software tester's perspective
#pragma once is shorter than an include guard, less error prone, supported by most compilers, and some say that it compiles faster (which is not true [any longer]).
But I still suggest you go with stand...
How to create a unique index on a NULL column?
...ot, if using the PK gives the index something more to work with? Going to test this weekend on a big table and see.
– David Storfer
Oct 7 '11 at 20:31
...