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MongoDB Many-to-Many Association
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edited Jul 27 '12 at 8:20
Matthew Murdoch
28.1k252...
Flask vs webapp2 for Google App Engine
...currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it.
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How do you make a deep copy of an object?
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A safe way is to serialize the object, then deserialize. This ensures everything is a brand new reference.
Here's an article about how to do this efficiently.
Caveats: It's possible for classes to override serialization such that new...
Is there a method that works like start fragment for result?
I currently have a fragment in an overlay. This is for signing in to the service. In the phone app, each of the steps I want to show in the overlay are their own screens and activities. There are 3 parts of the sign-in process and each had their own activity that was called with startActivityForResu...
How to use GROUP_CONCAT in a CONCAT in MySQL
...we get all names and values as a single value against each unique id
See this explained here SQL Fiddle Demo (scroll down as it has two result sets)
Edit There was a mistake in reading question, I had grouped only by id. But two group_contacts are needed if (Values are to be concatenated grouped by...
Should I use encodeURI or encodeURIComponent for encoding URLs?
... on what you are actually wanting to do.
encodeURI assumes that the input is a complete URI that might have some characters which need encoding in it.
encodeURIComponent will encode everything with special meaning, so you use it for components of URIs such as
var world = "A string with symbols &a...
Backbone View: Inherit and extend events from parent
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One way is:
var ChildView = ParentView.extend({
events: function(){
return _.extend({},ParentView.prototype.events,{
'click' : 'onclickChild'
});
}
});
Another would be:
var ParentView = Backbone.View....
Deadly CORS when http://localhost is the origin
I am stuck with this CORS problem, even though I set the server (nginx/node.js) with the appropriate headers.
8 Answers
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Should I use 'border: none' or 'border: 0'?
...'s no holy war worth fighting here but Webpack→LESS→PostCSS→PurgeCSS is a good 2020 stack.
That all said, if you're hand-writing all your production CSS, I maintain —despite the grumbling in the comments— it does not hurt to be bandwidth conscious. Using border:0 will save an infinitesimal...
How to convert an NSString into an NSNumber
...data type (e.g. int , float , char , unsigned int , etc.)? The problem is, I don't know which number type the string will contain at runtime.
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