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What is the easiest way to duplicate an activerecord record?
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To get a copy, use the clone (or dup for rails 3.1+) method:
# rails < 3.1
new_record = old_record.clone
#rails >= 3.1
new_record = old_record.dup
Then you can change whichever fields you want.
ActiveRecord overrides the built-in Object#clone to give ...
Spring 3 RequestMapping: Get path value
...ng.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE is optional and may be NULL or "" for some implementations. request.getRequestURI() returns the same value and is not optional.
– nidalpres
Oct 12 '14 at 0:06
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Add a column to existing table and uniquely number them on MS SQL Server
...ifferent value. Something like adding a column and autogenerate the data for it.
8 Answers
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Is it possible to change the textcolor on an Android SearchView?
The SearchView element doesn't have any properties for changing the text color. The default text color is black and doesn't work on our dark background. Is there a way to change the color of the text without resorting to hacks?
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How to detect if a stored procedure already exists
... the other answer is a little more complete as it only pulls the object id for stored procedures. not common to have the same name for different types but it could happen
– workabyte
Aug 25 '14 at 14:08
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Count with IF condition in MySQL query
I have two tables, one is for news and the other one is for comments and I want to get the count of the comments whose status has been set as approved.
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How can I get Maven to stop attempting to check for updates for artifacts from a certain group from
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The updatePolicy tag didn't work for me. However Rich Seller mentioned that snapshots should be disabled anyways so I looked further and noticed that the extra repository that I added to my settings.xml was causing the problem actually. Adding the snapshots ...
Rails params explained?
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The params come from the user's browser when they request the page. For an HTTP GET request, which is the most common, the params are encoded in the url. For example, if a user's browser requested
http://www.example.com/?foo=1&boo=octopus
then params[:foo] would be "1" and params[:boo]...
SQL Server: Is it possible to insert into two tables at the same time?
...mately still two statements and you probably don't want to run the trigger for every insert.
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Why can't Python parse this JSON data?
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Your data is not valid JSON format. You have [] when you should have {}:
[] are for JSON arrays, which are called list in Python
{} are for JSON objects, which are called dict in Python
Here's how your JSON file should look:
{
"maps": [
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