Tutorial by Topics: es

In modern C, header files are crucial tools that must be designed and used correctly. They allow the compiler to cross-check independently compiled parts of a program. Headers declare types, functions, macros etc that are needed by the consumers of a set of facilities. All the code that uses any ...

AnnotationPurpose@InheritanceSpecifies type of inheritance strategy used@DiscriminatorColumnSpecifies a column in database which will be used to identify different entities based on certain ID assigned to each entity@MappedSuperClassmapped super classes are not persistent and only used to hold stat...

Value and variable names should be in lower camel case Constant names should be in upper camel case. That is, if the member is final, immutable and it belongs to a package object or an object, it may be considered a constant Method, Value and variable names should be in lower camel case ...

This section provides an overview of fn:count, xdmp:estimate and cts:frequency along with examples and use cases

Qt provides its own template container classes. They are all implicitly shared. They provide two kinds of iterators (Java style and STL style.) Qt sequential containers include: QVector, QList, QLinkedList, QStack, QQueue. Qt associative containers include: QMap, QMultiMap, QHash, QMultiHash, QS...

Relations Between Entities Basics A foreign key can be one or more columns that reference a unique key, usually the primary key, in another table. A foreign key and the primary parent key it references must have the same number and type of fields. Foreign keys represents relationships from a ...

Custom requests (or Form Requests) are useful in situations when one wants to authorize & validate a request before hitting the controller method. One may think of two practical uses, creating & updating a record while each action has a different set of validation (or authorization) rules. ...

Example docker networks that blocks traffic. Use as the network when starting the container with --net or docker network connect.