Advanced terms
Object Property Descriptors
ES5
Property descriptors define the hidden attributes of object properties - writable, enumerable, configurable, plus getters and setters.
4d ago
javascript advanced
Optimistic Locking
A concurrency pattern using a version column to detect conflicting concurrent writes — no row locks held between read and write.
2mo ago
database advanced
Offline-First Design
1
An architectural approach where applications are designed to work fully without a network connection by default, treating connectivity as an enhancement rather than a requirement.
2mo ago
mobile advanced
OPcache Preloading (PHP 7.4)
PHP 7.4+
OPcache preloading (PHP 7.4) compiles PHP files into shared memory at server start — eliminating per-request compilation of framework core files for significant performance gains.
2mo ago
php advanced
Offline-First Design
ES2015
1
Designing applications to work without a network connection by default — storing data locally, syncing when online, and handling conflicts gracefully.
3mo ago
mobile advanced
Opcode Optimisation
PHP 5.5+
1
PHP's compiler applies optimisation passes to the opcode array before caching — constant folding, dead code elimination, and pass-through minimisation reduce instruction count.
3mo ago
compiler advanced
Open Host Service & Published Language
A bounded context exposing a well-defined protocol (Published Language) for all downstream consumers — rather than custom point-to-point integrations for each.
3mo ago
architecture advanced
OAuth 2.0 Vulnerabilities
Misimplemented OAuth flows expose applications to CSRF, token theft, open redirects, and account takeover.
CWE-287 OWASP A2:2021
3mo ago
security advanced
8.1
Object Calisthenics
Nine strict OO coding rules by Jeff Bay that, if followed, force good object-oriented design habits.
3mo ago
quality advanced
Object Pooling
PHP 7.0+
Reusing a fixed set of pre-initialised expensive objects rather than creating and destroying them on every request — reducing allocation overhead.
3mo ago
performance advanced
Open/Closed Principle — PHP Examples
Software entities should be open for extension but closed for modification — add new behaviour without editing existing, tested code.
3mo ago
quality advanced
openssl_encrypt()
PHP 7.1+
PHP's OpenSSL wrapper for symmetric encryption — use AES-256-GCM for authenticated encryption.
3mo ago
php advanced