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How to find the foreach index?
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foreach($array as $key=>$value) {
// do stuff
}
$key is the index of each $array element
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Returning a C string from a function
...should be in order.
In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour of string. There are other kinds of strings, but in C (& C++), this flavour is inherently understood b...
Why are Perl 5's function prototypes bad?
...e a function like this:
sub mypush(\@@) { ... }
and call it as
mypush @array, 1, 2, 3;
without needing to write the \ to take a reference to the array.
In a nutshell, prototypes let you create your own syntactic sugar. For example the Moose framework uses them to emulate a more typical OO syn...
how to reference a YAML “setting” from elsewhere in the same YAML file?
...g custom tags. Example in Python, making the !join tag join strings in an array:
import yaml
## define custom tag handler
def join(loader, node):
seq = loader.construct_sequence(node)
return ''.join([str(i) for i in seq])
## register the tag handler
yaml.add_constructor('!join', join)
#...
Iteration ng-repeat only X times in AngularJs
...s should be the answer, as it also works with iterating over objects in an array. Plus its a Angular feature.
– Ashley Coolman
May 22 '14 at 23:41
29
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How to convert a char array back to a string?
I have a char array:
15 Answers
15
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How to initialize all members of an array to the same value?
I have a large array in C (not C++ if that makes a difference). I want to initialize all members of the same value.
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Get child node index
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I've become fond of using indexOf for this. Because indexOf is on Array.prototype and parent.children is a NodeList, you have to use call(); It's kind of ugly but it's a one liner and uses functions that any javascript dev should be familiar with anyhow.
var child = document.getElementById...
Serializing PHP object to JSON
... function, for instance named getJsonData();, which would return either an array, stdClass object, or some other object with visible parameters rather then private/protected ones, and do a json_encode($data->getJsonData());. In essence, implement the function from 5.4, but call it by hand.
Somet...
How to add a new row to an empty numpy array
Using standard Python arrays, I can do the following:
6 Answers
6
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