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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...-Methods: POST, GET, OPTIONS');
header('Access-Control-Max-Age: 1000');
if(array_key_exists('HTTP_ACCESS_CONTROL_REQUEST_HEADERS', $_SERVER)) {
header('Access-Control-Allow-Headers: '
. $_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
} else {
header('Access-Control-Allow-Headers...
django MultiValueDictKeyError error, how do I deal with it
... an
unordered key, value pair “associative memories” or “associative
arrays”
In another word. request.GET or request.POST is a dictionary-like
object containing all request parameters. This is specific to Django.
The method get() returns a value for the given key if key is in the
dictionary...
How to split a comma-separated value to columns
...
This is really cool. The array like feature is very useful and I had no idea about. Thanks!
– Vnge
Feb 7 '19 at 23:01
add a c...
What is memory fragmentation?
...ng memory for a lot of small objects, pre-allocate memory for a contiguous array of those smaller objects. Sometimes being a little wasteful when allocating memory can go along way for performance and may save you the trouble of having to deal with memory fragmentation.
...
MySQL Great Circle Distance (Haversine formula)
...'lat']);
$lon_rad = deg2rad($user['lon']);
DB::replace('Coordinates', array(
'object_id' => $user['id'],
'object_type' => 0,
'sin_lat' => sin($lat_rad),
'cos_cos' => cos($lat_rad)*cos($lon_rad),
'cos_sin' => cos($lat_rad)*sin($lon_rad),
'lat' => $user['...
Stopping scripters from slamming your website
... way to prevent this behavior by external agents.
You could employ a vast array of technology to analyze incoming requests and heuristically attempt to determine who is and isn't human...but it would fail. Eventually, if not immediately.
The only viable long-term solution is to change the game so ...
bower init - difference between amd, es6, globals and node
...
The type of module defined in the main JavaScript file. Can be one or an array of the following strings:
globals: JavaScript module that adds to global namespace, using window.namespace or this.namespace syntax
amd: JavaScript module compatible with AMD, like RequireJS, using define() syntax
node...
What do Clustered and Non clustered index actually mean?
...f level by following the linked list and read the rows on the page in slot array order then you will read the index rows in sorted order but physically the pages may not be sorted. The commonly held belief that with a clustered index the rows are always stored physically on the disk in the same orde...
Get file name from URL
...s during Java-interop. The String overload wasn't working because an empty array needed to be passed as well to handle the var-args of Paths/get. It still works though if you get rid of the call to getPath, and use the URI overload instead.
– Carcigenicate
Mar ...
Why is 'false' used after this simple addEventListener function?
...actual node : "+this.nodeName );
}
}
/* The following array contains the elements between the target (span and you can
click also on the paragraph) and its ancestors up to the BODY element, it can still
go up to the "document" then the "window" element, for the sake of...