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Facebook database design?
...the UserID of the friend (we will call it FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
Gender
DOB
Location
TableName: Friends
Columns:
UserID PK FK
FriendID...
On delete cascade with doctrine2
..." on the association's joinColumn - this will add On Delete Cascade to the foreign key column in the database:
@ORM\JoinColumn(name="father_id", referencedColumnName="id", onDelete="CASCADE")
I also want to point out that the way you have your cascade={"remove"} right now, if you delete a Child o...
How to change spinner text size and text color?
...ite database into the spinner, and it's working properly. Here is the code for that.
23 Answers
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How to pull a random record using Django's ORM?
...in webpage I'd like to show some of them: newest, one that was not visited for most time, most popular one and a random one.
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How do I get the resource id of an image if I know its name?
...u in trouble if you use proguard. This doesn't worked in proguard at least for me
– Pedro Rainho
Mar 13 '12 at 21:52
C...
JavaScript validation for empty input field
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<script type="text/javascript">
function validateForm() {
var a = document.forms["Form"]["answer_a"].value;
var b = document.forms["Form"]["answer_b"].value;
var c = document.forms["Form"]["answer_c"].value;
var d = document.forms["Form"]["answer_d"].val...
Search text in stored procedure in SQL Server
...h the first 4000 characters of stored procedure text. Check out this link for the real answer. sqlhints.com/2011/10/01/…
– Hunter Nelson
Mar 15 '17 at 16:21
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org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
I'm using Hibernate for all CRUD operations in my project. It doesn't work for One-To-Many and Many-To-One relationships. It gives me the below error.
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Android - Dynamically Add Views into View
I have a layout for a view -
5 Answers
5
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Android add placeholder text to EditText
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Ah, ok. What you're looking for is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
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