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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['...
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 is @ModelAttribute in Spring MVC?
...ibute(“cities”)
public List<String> checkOptions(){
return new Arrays.asList(new[]{“Sofia”,”Pleven","Ruse”});//and so on
}
Purpose of such method is to add attribute in the model. So in our case cities key will have the list new Arras.asList(new[]{“Sofia”,”Pleven","Ruse...
How do I install Python OpenCV through Conda?
...opened, I wanted to confirm that I could extract a frame (frame 100) as an array. In openCV 2.4.9, the command for this was cap.set(cv2.cv.CV_CAP_PROP_POS_FRAMES, 100). In openCV 3.2.0, the equivalent command has changed to cap.set(cv2.CAP_PROP_POS_FRAMES, 100)
– ollerend
...
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...
What is the difference between __dirname and ./ in node.js?
...le.load (module.js:351:31)
at Function._load (module.js:310:12)
at Array.0 (module.js:470:10)
at EventEmitter._tickCallback (node.js:192:40)
Using ./ worked with require but not for fs.readFileSync. That's because for fs.readFileSync, ./ translates into the cwd (in this case /home/user...
Best way to compare two complex objects
... You could call the LINQ Enumerable.SequenceEqual method on the arrays: this.Addresses.SequenceEqual(other.Addresses). This would internally call your Address.Equals method for each pair of corresponding addresses, given that the Address class implements the IEquatable<Address> inte...
KnockOutJS - Multiple ViewModels in a single View
...page, one easy way to do this is to have a master view model containing an array (or property list) of the other view models.
masterVM = {
vmA : new VmA(),
vmB : new VmB(),
vmC : new VmC(),
}
Then your masterVM can have other properties if needed, for the page itself. Communication be...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...er usually don't change.
Names, photos, links, button status, lists (input Arrays for your tableViews or collectionView) or most dataInputedByUser usually do change.
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“Large data” work flows using pandas
...ore computing. Blaze provides an interface similar to that of the NumPy ND-Array or Pandas DataFrame but maps these familiar interfaces onto a variety of other computational engines like Postgres or Spark.
Edit: By the way, it's supported by ContinuumIO and Travis Oliphant, author of NumPy.
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