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What is the easiest way to duplicate an activerecord record?
...tall amoeba
or add
gem 'amoeba'
to your Gemfile
then add the amoeba block to your model and run the dup method as usual
class Post < ActiveRecord::Base
has_many :comments
has_and_belongs_to_many :tags
amoeba do
enable
end
end
class Comment < ActiveRecord::Base
belongs_t...
The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat
...eption("Error xy in my function")
perhaps you can try..catch the whole block and throw a FaultException in all cases of an Exception
try
{
... some code here
}
catch (Exception ex)
{
throw new FaultException(ex.Message)
}
Tell WCF to handle all Exceptions using an Errorhan...
Angularjs loading screen on ajax request
...ivityspinner
{
display : none;
}
#activityspinner.show {
display : block;
position : fixed;
z-index: 100;
background-image : url('data:image/gif;base64,R0lGODlhNgA3APMAAPz8/GZmZqysrHV1dW1tbeXl5ZeXl+fn59nZ2ZCQkLa2tgAAAAAAAAAAAAAAAAAAACH/C05FVFNDQVBFMi4wAwEAAAAh/hpDcmVhdGVkIHdpdGgg...
How to directly initialize a HashMap (in a literal way)?
...e garbage collected while the created map object is still referenced, thus blocking additional memory
Using a function for initialization will also enable you to generate a map in an initializer, but avoids nasty side-effects:
Map<String, String> myMap = createMap();
private static Map<...
Using Sass Variables with CSS3 Media Queries
... // additional specific changes, that aren't in the mixin
display: block
And the Mixin would look like this
=base_width_changes($base_width)
#wrapper
width: $base_width
share
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...
Remove file from the repository but keep it locally
...
@loostro just don't move it to another block device. The most file systems will just update the file's inode, and not literally move the entire directory
– 648trindade
Mar 28 '18 at 4:11
...
Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
...t: go to security.google.com/settings/security/activity and here you'l see blocked connection from your code. Allow them and it should help in this case.
– Alex Zhukovskiy
Oct 2 '14 at 12:45
...
Finding the index of an item in a list
...my_list (clean, readable approach), or
Wrap the index call in a try/except block which catches ValueError (probably faster, at least when the list to search is long, and the item is usually present.)
share
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...
Retrieve the position (X,Y) of an HTML element relative to the browser window
...
So, @Adam and meouw, are you saying the first code block is wrong? Then why not remove that altogether? (This question has seen quite some viewers over the years; might be nice to remove things if they are wrong?)
– Arjan
Aug 11 '12 at 2...
Returning a value from thread?
...llows you to get return value from Result property:
//Main thread will be blocked until task thread finishes
//(because of obtaining the value of the Result property)
int result = Task.Factory.StartNew(() => {
//Some work...
return 42;}).Result;
.NET 4.5+:
Starting with .NET 4.5 you c...