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Change the Right Margin of a View Programmatically?
Can this attribute be changed dynamically in Java code?
4 Answers
4
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How to decorate a class?
...ersion ;-)
– Steven
Feb 8 '11 at 21:05
1
@Day and @Gerald: sorry, issue wasn't with Gerald's code...
How to check for null in Twig?
...se (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be:
{% if var is not defined or var is null %}
which can be shortened to:
{% if var|default is null %}
If you don't provide an argument to the default filter, it assumes NU...
How to install Java SDK on CentOS?
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answered Sep 23 '14 at 11:05
icebergiceberg
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
....id = 1 and tries to insert another record with mask.id = 1, you'll get an error, because that column should have unique values. The same aplies for group.
On the other hand,
@Table(
name = "product_serial_group_mask",
uniqueConstraints = {@UniqueConstraint(columnNames = {"mask", "group"})}...
What are some (concrete) use-cases for metaclasses?
...Field attributes, they are injected with their names (for more informative error messages, for example), and grouped into a _fields dictionary (for easy iteration, without having to look through all the class attributes and all its base classes' attributes every time):
>>> class A(Model):
...
How to change the name of a Django app?
...er, imports and all its references (templates/indexes). But now I get this error when I try to run python manage.py runserver
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Testing if object is of generic type in C#
I would like to perform a test if an object is of a generic type. I've tried the following without success:
5 Answers
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var.replace is not a function
... the below code to try to trim the string in Javascript but am getting the error mentioned in the title:
10 Answers
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SQL Add foreign key to existing column
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Error indicates that there is no UserID column in your Employees table. Try adding the column first and then re-run the statement.
ALTER TABLE Employees
ADD CONSTRAINT FK_ActiveDirectories_UserID FOREIGN KEY (UserID)
REF...