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Rails: Adding an index after adding column
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rails generate migration AddUserRefToProducts user:references
This command will generate the following migration:
class AddUserRefToProducts < ActiveRecord::Migration
def change
add_reference :user, :product, index: true
end
end
After running rake db:migrate both a user_id column a...
Is there any way to hide “-” (Delete) button while editing UITableView
...n's answer steered me in the correct direction.
I created a toggle button and added it as an editingAccessoryView to the Cell and wired it to a method.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
....
// Configure the cell...
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Does application.yml support environment variables?
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@IgorDonin, would concatenation of variable assignments and program call an option for you? E. g.: $MY_ENV=value && java -jar ...
– PAX
May 12 at 12:31
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Is there a way to follow redirects with command line cURL?
...f the commenters.
For me, the obstacle was that the page required a login and then gave me a new URL through javascript. Here is what I had to do:
curl -c cookiejar -g -O -J -L -F "j_username=yourusename" -F "j_password=yourpassword" <URL>
Note that j_username and j_password is the name of...
Overflow Scroll css is not working in the div
...ay overflow content of a block-level element, when it overflows at the top and bottom edges.
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Delete sql rows where IDs do not have a match from another table
... @Pacerier - "wrong" is a bit strong. To make sure people understand, the answers do work if fileidis non-nullable. Also, the third solution (NOT IN) only requires that f.id by non-nullable. Presumably that is a primary key, so it would be.
– ToolmakerSteve
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What is the syntax for a default constructor for a generic class?
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And if you need the Type as a property:
public class Cell<T>
{
public Cell()
{
TheType = typeof(T);
}
public Type TheType { get;}
}
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Align image in center and middle within div
...to use block? I worked for me, but not sure why block will center the img and inline will not.
– user3731622
Jan 11 '16 at 20:07
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How do I add a submodule to a sub-directory?
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You go into ~/.janus and run:
git submodule add <git@github ...> snipmate-snippets/snippets/
If you need more information about submodules (or git in general) ProGit is pretty useful.
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Finding the Eclipse Version Number
...Eclipse Version" question references a .eclipseproduct in the main folder, and it contains:
name=Eclipse Platform
id=org.eclipse.platform
version=3.x.0
So that seems more straightforward than my original answer below.
Also, Neeme Praks mentions below that there is a eclipse/configuration/config....