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Creating my own Iterators
...ors. I have written an article about this very topic; it's in the December 2008 ACCU magazine. It discusses an (IMO) elegant solution for exactly your problem: exposing member collections from an object, using Boost.Iterators.
If you want to use the stl only, the Josuttis book has a chapter on impl...
Should composer.lock be committed to version control?
...
answered Oct 15 '12 at 13:39
mezameza
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Getting a list of associative array keys
...ou can use: Object.keys(obj)
Example:
var dictionary = {
"cats": [1, 2, 37, 38, 40, 32, 33, 35, 39, 36],
"dogs": [4, 5, 6, 3, 2]
};
// Get the keys
var keys = Object.keys(dictionary);
console.log(keys);
See reference below for browser support. It is supported in Firefox 4.20, Chrome ...
Rails: Using greater than/less than with a where statement
I'm trying to find all Users with an id greater than 200, but I'm having some trouble with the specific syntax.
9 Answers
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Why doesn't nodelist have forEach?
...t "real" arrays (not instanceof Array) differently from other objects:
[1, 2, 3].concat([4, 5, 6]) // [1, 2, 3, 4, 5, 6]
[1, 2, 3].concat(4) // [1, 2, 3, 4]
so that means that the above code broke when x was a NodeList, because before it went down the doSomethingElseWith(x) path, whereas afterward ...
How to easily resize/optimize an image size with iOS?
...
246
A couple of suggestions are provided as answers to this question. I had suggested the techniq...
How to flatten nested objects with linq expression
...
200
myBooks.SelectMany(b => b.Chapters
.SelectMany(c => c.Pages
.Select(p => ...
Reset keys of array elements in php?
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296
To reset the keys of all arrays in an array:
$arr = array_map('array_values', $arr);
In cas...
Is there any way to use a numeric type as an object key?
... a string via the toString method.
> var foo = {}
undefined
> foo[23213] = 'swag'
'swag'
> foo
{ '23213': 'swag' }
> typeof(Object.keys(foo)[0])
'string'
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