Terms starting with "T"
Test Data Builders
PHP 7.0+
A pattern for constructing test objects with sensible defaults that can be selectively overridden — reducing test setup noise and making the relevant data explicit.
3mo ago
testing intermediate
Test Fixtures & setUp() Best Practices
Managing test state with setUp()/tearDown(), object mothers, and factories — keeping tests isolated, readable, and fast.
3mo ago
testing intermediate
Test Isolation Strategies
PHP 7.0+
Ensuring each test starts from a known clean state — using database transactions, in-memory fakes, or container resets so tests don't bleed state into each other.
3mo ago
testing intermediate
Test Pyramid
PHP 5.0+
5
A model advocating many fast unit tests at the base, fewer integration tests in the middle, and a small number of slow E2E tests at the top.
3mo ago
testing beginner
Test-Driven Development (TDD)
PHP 5.0+ A development practice where tests are written before production code, driving design through the Red-Green-Refactor cycle.
3mo ago
testing intermediate
Testing with pytest
Python 3.6+
pytest is Python's dominant testing framework — its fixture system, parametrize decorator, and plugin ecosystem make it more powerful and less verbose than unittest.
3mo ago
python intermediate
this Binding in JavaScript
ES5
this is determined by how a function is called — call site, not definition site — with arrow functions as the exception (lexical this).
3mo ago
javascript intermediate
Threat Intelligence
Evidence-based knowledge about attackers, their TTPs, and indicators of compromise — used to prioritise and inform defensive decisions.
3mo ago
security intermediate
Threat Modelling
PHP 5.0+ A structured analysis process for identifying security threats, attack vectors, and appropriate countermeasures during design.
3mo ago
general intermediate
Three Pillars of Observability
Logs (events), metrics (measurements), and traces (request flows) are the three pillars of observability — together they answer 'what happened, how much, and where.'
3mo ago
devops intermediate
Time Complexity (Big O)
A notation describing how an algorithm's execution time grows relative to input size — O(1), O(n), O(n log n), O(n²)…
3mo ago
performance intermediate
Timezone Handling
PHP 5.0+ Storing dates as UTC and converting to local timezones only for display — prevents DST bugs, ambiguous times, and incorrect date arithmetic.
3mo ago
i18n intermediate
Timing Attack
PHP 5.6+
Measuring how long a comparison takes reveals information about secret values — use hash_equals() to prevent it.
CWE-208 OWASP A2:2021
3mo ago
security advanced
5.9
TLS Handshake
2
The negotiation process between client and server that establishes an encrypted HTTPS connection, agreeing on cipher suites and exchanging keys.
3mo ago
networking intermediate
Trailing Whitespace
Spaces or tabs at the end of a line — invisible but pollutes diffs and can cause subtle PHP issues.
3mo ago
style beginner
Traits
PHP 5.4+
1
Reusable code blocks that can be mixed into any class, providing horizontal code reuse without inheritance.
3mo ago
php intermediate
Transaction Isolation Levels
PHP 5.1+ SQL standards defining how and when changes made by one transaction are visible to others, trading consistency for concurrency.
3mo ago
database advanced
Transpilation
1
Converting source code from one language or version to another at the same abstraction level — Babel transpiles modern JS to older JS, Rector transpiles old PHP to new PHP.
3mo ago
compiler intermediate
Trunk-Based Development
All developers integrate small, frequent commits directly into a single shared branch (trunk/main), avoiding long-lived feature branches.
3mo ago
devops intermediate
tsconfig.json
4.0
1
The TypeScript compiler configuration file — controlling which files are compiled, what JavaScript version is targeted, strictness settings, and module resolution.
3mo ago
typescript intermediate