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Many-to-many relationship with the same model in rails?
...column names are non-standard as well (not post_id), to prevent conflict.
Now in your model, you simply need to tell Rails about these couple of non-standard things. It will look as follows:
class Post < ActiveRecord::Base
has_and_belongs_to_many(:posts,
:join_table => "post_connection...
Intent - if activity is running, bring it to front, else start a new one (from notification)
... altogether, I suggest you post that as it's own question, I don't really know the answer unfortunately.
– Franco
Feb 5 at 1:30
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How to change Xcode Project name
...d my app in Xcode for iPhone, in start I have just named it without secnec now I want to change my app name I have replace my old app name with new one as I have found the name in my app, but its still giving me one error...
...
My pull request has been merged, what to do next?
...ontribute to'.
It is easier to:
delete your fix branch (actually, it is now deleted for you) on your fork (and in your local cloned repo: see "Delete a Git branch both locally and remotely")
git pull upstream master (if master was the branch in which your fix has been integrated: the merge will b...
How do I time a method's execution in Java?
...ited Jul 8 '16 at 21:49
michaelsnowden
5,33022 gold badges2727 silver badges6767 bronze badges
answered Oct 7 '08 at 20:16
...
How do I generate a random int number?
...inning point, the trigger which instigates him to select the RANDOM value.
Now if a SEED is easy to guess then those kind of random numbers are termed as PSEUDO and when a seed is difficult to guess those random numbers are termed SECURED random numbers.
For example a person chooses is color depend...
How to Implement Custom Table View Section Headers and Footers with Storyboard
...
I know this question was for iOS 5, but for the benefit of future readers, note that effective iOS 6 we can now use dequeueReusableHeaderFooterViewWithIdentifier instead of dequeueReusableCellWithIdentifier.
So in viewDidLoad, ...
Change color of PNG image via CSS?
...image to grayscale, sepia and lot more (look at the example).
So you can now change the color of a PNG file with filters.
body {
background-color:#03030a;
min-width: 800px;
min-height: 400px
}
img {
width:20%;
float:left;
margin:0;
}
/*Filter styles*/
.sat...
Postgresql - unable to drop database because of some auto connections to DB
...tever was trying to auto-connect should no longer be able to do so.
You'll now be able to drop the DB.
This won't work if you're using superuser connections for normal operations, but if you're doing that you need to fix that problem first.
After you're done dropping the database, if you create the...
Can you Run Xcode in Linux?
...sed the general hardware requirements 1000 fold (NeXT could run in 8-16MB, now you need GB).
Due to the close marriage of GCC and Objective C and NeXT, your best bet at running XCode natively under Linux would be to do a port (if you can get ahold of the source - good luck) utilizing the GNUStep li...