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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...
Disabling browser caching for all browsers from ASP.NET
...sers from caching the page. There are many ways to affect the HTTP headers and meta tags and I get the impression different settings are required to get different browsers to behave correctly. It would be really great to get a reference bit of code commented to indicate which works for all browsers ...
How to wrap text around an image using HTML/CSS
...TML
<div id="container">
<div id="floated">...some other random text</div>
...
some random text
...
</div>
CSS
#container{
width: 400px;
background: yellow;
}
#floated{
float: left;
width: 150px;
background: red;
}
FIDDLE
http://jsfi...
How do I raise a Response Forbidden in django
... edited Jul 3 '19 at 14:22
andyhasit
9,16844 gold badges3535 silver badges4141 bronze badges
answered Dec 2 '11 at 23:32
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What happens if you call erase() on a map element while iterating from begin to end?
In the following code I loop through a map and test if an element needs to be erased. Is it safe to erase the element and keep iterating or do I need to collect the keys in another container and do a second loop to call the erase()?
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Using Mockito's generic “any()” method
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Since Java 8 you can use the argument-less any method and the type argument will get inferred by the compiler:
verify(bar).doStuff(any());
Explanation
The new thing in Java 8 is that the target type of an expression will be used to infer type parameters of its sub-expressi...
Shuffle two list at once with same order
...t predictive performance of these reviews with pre-processing of the data and without pre-processing. But there is problem, in lists documents and documents2 I have the same documents and I need shuffle them in order to keep same order in both lists. I cannot shuffle them separately because eac...
Difference between adjustResize and adjustPan in android?
...yboard appears.
When I use adjustResize, it res-size the UI components and at the same time adjustPan gave me same output.
I want to know the difference between them and when to use each component? Which one(adjustPan or adjustResize) is good for resizing UI?
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How can I reset a react component including all transitively reachable state?
...set. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
3 Answer...
Detect if called through require or directly by command line
...hich I don't have control over) that does this, but I need to require() it and have it act as though it was called directly. Basically, I need to fool something that uses that test into thinking it was called directly.
– Kevin
Nov 17 '15 at 22:17
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