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New posts in constraints
Oracle - Why must constraint_name be unique if owned by a different schema?
Oct 23, 2025
oracle-database
constraints
schema
ownership
How can a `System.Type` be a generic parameter with constraints?
Oct 24, 2025
c#
generics
types
interface
constraints
HV000030: No validator could be found for constraint 'javax.validation.constraints.Size' validating type 'java.util.Optional<java.lang.String>'
Oct 24, 2025
java
validation
constraints
option-type
How to stop a process with time constraints
Oct 23, 2025
java
time
event-handling
constraints
listener
Constrained matrices
Oct 22, 2025
r
constraints
permutation
CGRect vs constraints in programmatic GUI Design?
Oct 22, 2025
ios
swift
constraints
frames
cgrect
MySQL Unique Constraint based on column value
Oct 21, 2025
mysql
sql
constraints
unique-constraint
mysql-5.7
Get SQL Server's constraints list without redundancy
Oct 22, 2025
sql
sql-server
constraints
concatenation
Not null attribute in Neo4J constraint
Oct 21, 2025
neo4j
constraints
cypher
JPA: @OneToOne creates an implicit unique constraint with a randomly generated name. Is there any way to spcify that name in code using annotations?
Oct 20, 2025
java
hibernate
jpa
constraints
What good is the open world assumption?
Oct 18, 2025
haskell
generics
constraints
ghc
Get the value from a default constraint
Oct 17, 2025
sql
sql-server
constraints
default-constraint
How to fit a circle to a set of points with a constrained radius?
Oct 15, 2025
c++
opencv
constraints
curve-fitting
least-squares
IComparable type interface for partial ordering
Oct 14, 2025
c#
interface
constraints
Why can't I use the Constraint kind in type family declarations?
Sep 22, 2025
haskell
types
constraints
type-families
How can a check on foreign key be enforced before insert a new value in Flask SQLAlchemy?
Sep 22, 2025
python-3.x
constraints
flask-sqlalchemy
Error Code: 1822. Failed to add the foreign key constraint. Missing index for constraint 'projects_ibfk_1' in the referenced table 'employees'
Sep 19, 2025
mysql
sql
foreign-keys
constraints
error-code
How do you impose a case insensitive unique constraint on a Firebird field value?
Sep 19, 2025
sql
constraints
firebird
unique-constraint
SQL constraint to have one unique value in two columns
Sep 16, 2025
sql
constraints
unique
multiple-columns
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