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Postgres unique constraint vs index
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DETAIL: Key (ind_id)=(0) already exists.
test=#
It works as expected!
Foreign keys
Now we'll define detail table with two foreign keys referencing to our two columns in master.
create table detail (
con_id integer,
ind_id integer,
constraint detail_fk1 foreign key (con_id) referen...
jQuery UI Sortable, then write order into a database
...ST query string like this: item[]=1&item[]=2 etc. So if you make use - for example - your database IDs in the id attribute, you can then simply iterate through the POSTed array and update the elements' positions accordingly.
For example, in PHP:
$i = 0;
foreach ($_POST['item'] as $value) {
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Difference between id and name attributes in HTML
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The name attribute is used when sending data in a form submission. Different controls respond differently. For example, you may have several radio buttons with different id attributes, but the same name. When submitted, there is just the one value in the response - the ra...
jQuery - Add ID instead of Class
...nges... also, you keep overriding the same IDs, so you might as well do it for $('#nav, #container, .stretch_footer, #footer').attr('id', $('span .breadcrumb:first').text()) (or last, for .stretch_footer). Anyway, this is weird.
– Kobi
Feb 3 '10 at 5:44
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Android OnClickListener - identify a button
...ough, I don't recommend doing it that way since you will have to add an if for each button you use. That's hard to maintain.
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How to check if a user likes my Facebook Page or URL using Facebook's API
...e too. Your code only works if the user has granted an extended permission for that which is not ideal.
Here's another approach.
In a nutshell, if you turn on the OAuth 2.0 for Canvas advanced option, Facebook will send a $_REQUEST['signed_request'] along with every page requested within your tab ...
How can I get the ID of an element using jQuery?
... results not a single element by its default functionality
an alternative for DOM selector in jquery is
$('#test').prop('id')
which is different from .attr() and $('#test').prop('foo') grabs the specified DOM foo property, while $('#test').attr('foo') grabs the specified HTML foo attribute and ...
no gravity for scrollview. how to make content inside scrollview as center
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I had the same issue and finally figured it out. This is for a vertical ScrollView.
Put your ScrollView inside a RelativeLayout and center it in the RelativeLayout. In order for this to work, your ScrollView should have
android:layout_height="wrap_content"
This is how the fin...
How can you make a custom keyboard in Android?
...ss variables that you have to create.
Then you need the following function for opening the keyboard ( you must associate it with the TextView through the onClick xml property)
public void openKeyboard(View v)
{
mKeyboardView.setVisibility(View.VISIBLE);
mKeyboardView.setEnabled...
Explicitly set Id with Doctrine when using “AUTO” strategy
My entity uses this annotation for it's ID:
7 Answers
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