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Importing data from a JSON file into R
Is there a way to import data from a JSON file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
...
Nested Models in Backbone.js, how to approach
...
I have the very same issue while I'm writing my Backbone application. Having to deal with embedded/nested models. I did some tweaks that I thought was a quite elegant solution.
Yes, you can modify the parse method to change a attributes around in the object, but all of that is actually...
Computed read-only property vs function in Swift
...using properties for just that: properties; meaning simple values that you can get and/or set. I use functions (or methods) when actual work is being done. Maybe something has to be computed or read from disk or from a database: In this case I use a function, even when only a simple value is returne...
HTML5 Video Dimensions
...ons of the poster image instead of the actual video as it seems it's being calculated before the video is loaded.
6 Answers...
Is there a way to iterate over a slice in reverse in Go?
...ly a bit nicer and declares fewer variables.
– Kevin Cantwell
Dec 5 '13 at 21:07
3
IMO Go despera...
When to use IComparable Vs. IComparer
...uite the same thing as IComparer<T> is implemented on a type that is capable of comparing two different objects while IComparable<T> is implemented on types that are able to compare themselves with other instances of the same type.
I tend to use IComparable<T> for times when I nee...
Number of elements in a javascript object
...hasOwnProperty(prop))
++count;
}
return count;
}
In case of ECMAScript 5 capable implementations, this can also be written as (Kudos to Avi Flax)
function countProperties(obj) {
return Object.keys(obj).length;
}
Keep in mind that you'll also miss properties which aren't...
jQuery AJAX cross domain
...:"testserver.php",
dataType: 'jsonp', // Notice! JSONP <-- P (lowercase)
success:function(json){
// do stuff with json (in this case an array)
alert("Success");
},
error:function(){
alert("Error");
}
});
PHP:
<?php
$arr = array("elem...
Properly close mongoose's connection once you're done
...un continuously, and I'm facing what seems to be a very simple issue yet I can't find an answer; simply put once I make a call to any mongoose function that sends requests to mongodb my nodejs instance never stops and I have to kill it manually with, say, Ctrl+c or Program.exit().
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TimeSpan ToString format
Just curious, is there a format string I can use to output something like "5h 3m 30s"?
7 Answers
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