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How to parse Excel (XLS) file in Javascript/HTML5
... is your object
var XL_row_object = XLSX.utils.sheet_to_row_object_array(workbook.Sheets[sheetName]);
var json_object = JSON.stringify(XL_row_object);
console.log(json_object);
})
};
reader.onerror = function(ex) {
console.log(ex);
};
reader.re...
string.charAt(x) or string[x]?
... code
and there's no easy way to detect if
that's for a string or an
array/object.
You can't set the character using this notation. As there is no warning of
any kind, this is really confusing and
frustrating. If you were using the
.charAt(pos) function, you would not
have been te...
How to get a key in a JavaScript object by its value?
I have a quite simple JavaScript object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually?
...
How to sort an array of hashes in ruby
I have an array, each of whose elements is a hash with three key/value pairs:
5 Answers
...
完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
...owmessage(L('illegal_operation'));
$ids = array_filter(explode(',', $_POST['ids']),"intval");
foreach ($ids as $id) {
$checkid = 'c-'.$id.'-'.$this->siteid;
...
Regular Expression to match string starting with “stop”
... this processed text and the preprocessed text in two separate space-split arrays. Make sure each non-alphabetical character also gets its own index in this array. Whatever list of words you're filtering, stem them also.
The next step would be to find the array indices which match to your list of ...
How to convert a char to a String?
...acked by a char[] (over-allocated by StringBuilder() to 16), only for that array to be defensively copied by the resulting String.
String.valueOf(char) "gets in the back door" by wrapping the char in a single-element array and passing it to the package private constructor String(char[], boolean), w...
JavaScript is in array
...ke IE < 9). There's a jQuery function for this: api.jquery.com/jQuery.inArray
– Vinicius Pinto
Oct 5 '12 at 14:42
5
...
What is the best method to merge two PHP objects?
...cts only contain fields (no methods), this works:
$obj_merged = (object) array_merge((array) $obj1, (array) $obj2);
This actually also works when objects have methods. (tested with PHP 5.3 and 5.6)
share
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...
What is the difference between lower bound and tight bound?
...ga notation).
If I were lazy, I could say that binary search on a sorted array is O(n2), O(n3), and O(2n), and I would be technically correct in every case. That's because O-notation only specifies an upper bound, and binary search is bounded on the high side by all of those functions, just not v...