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ActiveModel::ForbiddenAttributesError when creating new user
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I guess you are using Rails 4. If so, the needed param>me m>ters must be marked as required.
You might want to do it like this:
class UsersController < ApplicationController
def create
@user = User.new(user_params)
# ...
end
private
def user_params
params...
how to show lines in common (reverse diff)?
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Also note that it is important to sort the files before using comm, as m>me m>ntioned in the man pages.
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How to prevent blank xmlns attributes in output from .NET's XmlDocum>me m>nt?
When generating XML from XmlDocum>me m>nt in .NET, a blank xmlns attribute appears the first tim>me m> an elem>me m>nt without an associated nam>me m>space is inserted; how can this be prevented?
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Clear file cache to repeat performance testing
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Use SysInternal's RAMMap app.
The Empty / Empty Standby List m>me m>nu option will clear the Windows file cache.
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Is there a way to perform “if” in python's lambda
...orrect answer to the question "How do I write a lambda function that tells m>me m> if a number is even?" It is not, however, a correct answer to the question that the OP originally asked. However much you don't like the example I contrived, my post does, in fact, clearly answer the OP's question.
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Best way to check for “empty or null value”
...is best way to check if value is null or empty string in Postgres sql statem>me m>nts?
10 Answers
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How can I scroll a web page using selenium webdriver in python?
... @lukeis)
You can also use
driver.execute_script("window.scrollTo(0, docum>me m>nt.body.scrollHeight);")
to scroll to the bottom of the page.
If you want to scroll to a page with infinite loading, like social network ones, facebook etc. (thanks to @Cuong Tran)
SCROLL_PAUSE_TIm>ME m> = 0.5
# Get scroll ...
Controller not a function, got undefined, while defining controllers globally
I am writing a sample application using angularjs. i got an error m>me m>ntioned below on chrom>me m> browser.
14 Answers
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Error 1046 No database Selected, how to resolve?
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You need to tell MySQL which database to use:
USE database_nam>me m>;
before you create a table.
In case the database does not exist, you need to create it as:
CREATE DATABASE database_nam>me m>;
followed by:
USE database_nam>me m>;
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Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
...anywhere other than at the top of an XML file.
This is a valid diagnostic m>me m>ssage; other XML parsers should issue a similar error m>me m>ssage in this situation.
To correct the problem, check the following possibilities:
Som>me m> blank space or other visible content exists before the <?xml ?>
decla...