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Reshaping data.frame from wide to long format
...o convert my data.frame from a wide table to a long table.
At the moment it looks like this:
9 Answers
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
...on: The absolute uri: http://java.sun.com/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
That URI is for JSTL 1.0, but you're actually using JSTL 1.2 which uses URIs with an additional /jsp path (because JSTL, who invented EL expressions, was since v...
How to set request headers in rspec request spec?
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edited Feb 19 '18 at 15:40
chriscz
12322 silver badges77 bronze badges
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Is there any Rails function to check if a partial exists?
...I get an Exception. I'd like to check if a partial exists before rendering it and in case it doesn't exist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this:
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Regex Email validation
...e;
}
}
This saves you a lot af headaches because you don't have to write (or try to understand someone else's) regex.
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Proper REST response for empty table?
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I'd say, neither.
Why not 404 (Not Found) ?
The 404 status code should be reserved for situations, in which a resource is not found. In this case, your resource is a collection of users. This collection exists but it's currently empty...
How to install plugins to Sublime Text 2 editor?
How to install plugins to the Sublime Text editor?
8 Answers
8
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Share data between AngularJS controllers
...on is to have your factory return an object and let your controllers work with a reference to the same object:
JS:
// declare the app with no dependencies
var myApp = angular.module('myApp', []);
// Create the factory that share the Fact
myApp.factory('Fact', function(){
return { Field: '' };
}...
How can I set the value of a DropDownList using jQuery?
...or keeps failing telling me to select a value (when the value selected is within range). Please see my question stackoverflow.com/questions/3165033/…
– James
Jul 7 '10 at 13:14
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SQL Server - When to use Clustered vs non-Clustered Index?
...p, even inserts and deletes! But only if you pick a good clustered index.
It's the most replicated data structure in your SQL Server database. The clustering key will be part of each and every non-clustered index on your table, too.
You should use extreme care when picking a clustering key - it sh...