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Ruby on Rails: how do I sort with two columns using ActiveRecord?
I want to sort by two columns, one is a DateTime ( updated_at ), and the other is a Decimal (Price)
7 Answers
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How to add jQuery in JS file
I have some code specific to sorting tables. Since the code is common in most pages I want to make a JS file which will have the code and all the pages using it can reference it from there.
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
When sending a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 :
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How to change an application icon programmatically in Android?
...s it possible to change an application icon directly from the program?
I mean, change icon.png in the res\drawable folder.
I would like to let users to change application's icon from the program so next time they would see the previously selected icon in the launcher.
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?
...ax.mail.internet.*;
public class Main {
private static String USER_NAME = "*****"; // GMail user name (just the part before "@gmail.com")
private static String PASSWORD = "********"; // GMail password
private static String RECIPIENT = "lizard.bill@myschool.edu";
public static voi...
Definitive way to trigger keypress events with jQuery
... you have to do is:
var e = jQuery.Event("keydown");
e.which = 50; // # Some key code value
$("input").trigger(e);
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Step-by-step debugging with IPython
... you're automatically dropped to ipdb. While you don't have the stepping immediately, you're in ipdb afterwards.
This makes debugging individual functions easy, as you can just load a file with %load and then run a function. You could force an error with an assert at the right position.
%pdb is a ...
How do you completely remove the button border in wpf?
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Fantastic! Every other solution I've found is extremely convoluted and involves overriding all styling of the button.
– Jonathan
Jun 22 '11 at 14:34
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How do you clear a stringstream variable?
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For all the standard library types the member function empty() is a query, not a command, i.e. it means "are you empty?" not "please throw away your contents".
The clear() member function is inherited from ios and is used to clear the error state of the stream, e...
Is there any way to create a blank solution (.sln) file first and then add projects?
Visual studio has always annoyed me because (to my knowledge) you cannot create a solution first and then add new/existing projects to it. The only way I know how to create a solution is to create a project and specify the solution name for it.
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