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Postgresql GROUP_CONCAT equivalent?
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This is probably a good starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifica...
Cannot push to Heroku because key fingerprint
I am new to Rails, and I was trying to deploy a very simple app to Heroku. This is the second app that I deploy, and the first one I was able to do it just fine. However I am having some issues with this one. Whenever I " git push heroku master ", I get this error:
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How to display gpg key details without importing it?
...tory gpg key and would like to view the details of the gpg key as it comes in the file. Is this possible without importing it into a key ring?
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ASP.Net MVC: How to display a byte array image from model
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Something like this may work...
@{
var base64 = Convert.ToBase64String(Model.ByteArray);
var imgSrc = String.Format("data:image/gif;base64,{0}", base64);
}
<img src="@imgSrc" />
As mentioned in the comments below,...
How do I check how many options there are in a dropdown menu?
How do I check, using jQuery, how many options are there in a drop down menu?
10 Answers
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Items in JSON object are out of order using “json.dumps”?
I'm using json.dumps to convert into json like
6 Answers
6
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How to split strings across multiple lines in CMake?
I usually have a policy in my project, to never create lines in text files that exceed a line length of 80, so they are easily editable in all kinds of editors (you know the deal). But with CMake I get the problem that I do not know how to split a simple string into multiple lines to avoid one huge ...
How to check if a function exists on a SQL database
I need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures:
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Rails: fields_for with index?
...method (or way to pull off similar functionality) to do a fields_for_with_index ?
9 Answers
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How to get element by classname or id
I am trying to find the element in html by angularjs.
4 Answers
4
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