[Database] Race conditionA race condition is a type of bug that occurs when multiple transactions (threads or processes) access a shared resource simultaneously…Jun 1, 2023Jun 1, 2023
[Python] Variable scopesThe Python scope concept is generally presented using a rule known as the LEGB rule.Apr 30, 2023Apr 30, 2023
[Python] GIL (Global Interpreter Lock)In CPython, the GIL (Global Interpreter Lock) is a mutex that protects access to Python objects, preventing multiple threads from executing…Apr 8, 2023Apr 8, 2023
[Database] Types of IndexesAn index is a structure within database that is used to quickly retrieve specific rows from a table. An index contains keys built from one…Feb 20, 2023Feb 20, 2023
[Pytest] MarkerMarkers are used to set various features or attributes to tests, and can use related API to set metadata on tests.Feb 5, 2023Feb 5, 2023
[Pytest] FixtureFixtures are functions that run before or after tests, like setup or teardown. Fixtures are used for data configuration, initialization…Feb 5, 2023Feb 5, 2023
[Django_Rest_Framework] Dynamic serializer fieldsDynamic fields in serializer can retrieve the required fields from the model, and speed up the serializing if the query doesn’t need to…Jul 18, 2022Jul 18, 2022
[Django_Rest_Framework] Eager loadingStraightforward usage of the Django REST Framework and its nested serializers can kill performance of API endpoints. The database is…Jul 17, 2022Jul 17, 2022
![[Database] Race condition](https://miro.medium.com/v2/resize:fill:160:106/1*RoHZG5m-mh4R_3IlE0FNTg.png)
![[Database] Race condition](https://miro.medium.com/v2/resize:fill:320:214/1*RoHZG5m-mh4R_3IlE0FNTg.png)
![[Python] Variable scopes](https://miro.medium.com/v2/resize:fill:160:106/1*JKTJC4nI_wgqJXDaohFdtA.png)
![[Python] Variable scopes](https://miro.medium.com/v2/resize:fill:320:214/1*JKTJC4nI_wgqJXDaohFdtA.png)
![[Data Structure] Types of Trees](https://miro.medium.com/v2/resize:fill:160:106/1*bvgAWT_z8wa4xhvklP2Iqw.png)
![[Data Structure] Types of Trees](https://miro.medium.com/v2/resize:fill:320:214/1*bvgAWT_z8wa4xhvklP2Iqw.png)
