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JavaScript pattern for multiple constructors
...is._constructInSomeOtherWay(a, b);
}
You can also access arguments as an array-like to get any further arguments passed in.
If you need more complex arguments, it can be a good idea to put some or all of them inside an object lookup:
function bar(argmap) {
if ('optionalparam' in argmap)
...
How to [recursively] Zip a directory in PHP?
.../', $file);
// Ignore "." and ".." folders
if( in_array(substr($file, strrpos($file, '/')+1), array('.', '..')) )
continue;
$file = realpath($file);
if (is_dir($file) === true)
{
$zip->addEmptyDir(str_r...
Go Unpacking Array As Arguments
So in Python and Ruby there is the splat operator (*) for unpacking an array as arguments. In Javascript there is the .apply() function. Is there a way of unpacking an array/slice as function arguments in Go? Any resources for this would be great as well!
...
What is the $$hashKey added to my JSON.stringify result
...
Note! I was using an array with a clone method which copied then inserted elements into an array, which was then rendered by an ng-repeat. I was getting angular 'duplicate key' errors when using JSON.parse(JSON.stringify(obj)) to clone my elemen...
Why can't I define a default constructor for a struct in .NET?
...rs in structs - but they still won't be called in all situations (e.g. for array creation) (in the end this feature was not added to C# 6).
EDIT: I've edited the answer below due to Grauenwolf's insight into the CLR.
The CLR allows value types to have parameterless constructors, but C# doesn't....
How does the Brainfuck Hello World actually work?
...
1. Basics
To understand Brainfuck you must imagine infinite array of cells initialized by 0 each.
...[0][0][0][0][0]...
When brainfuck program starts, it points to any cell.
...[0][0][*0*][0][0]...
If you move pointer right > you are moving pointer from cell X to cell X+1
.....
Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
3
...
How do I apply the for-each loop to every character in a String?
...
The easiest way to for-each every char in a String is to use toCharArray():
for (char ch: "xyz".toCharArray()) {
}
This gives you the conciseness of for-each construct, but unfortunately String (which is immutable) must perform a defensive copy to generate the char[] (which is mutable), s...
What are deferred objects?
...This is neccesary to handle
// how done deals with arrays recursively
// only the original .done call handles fired
// any that unwrap arrays and call recursively
// dont handle the fired.
...
Count the number of occurrences of a character in a string in Javascript
...thus the || []
The original answer I made in 2009 is below. It creates an array unnecessarily, but using a split is faster (as of September 2014). I'm ambivalent, if I really needed the speed there would be no question that I would use a split, but I would prefer to use match.
Old answer (from 200...