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The + Operator converting the given expression to a number +(new Date()) // 1593565210654 +tru...

ref: Jordan Key characteristics WideColumnStore Eventual Consistency Tunable ACID LSM Tree Index...

Push Type Message Queue optimized for latency messages are pushed out as soon as they arrive ...

HTTP, WebSocket, gRPC, WebRTC original post: GetStream Communication Protocol? a protocol is ...

Types of trees Binary Tree Binary Search Tree left child < node < right value AVL Tree se...

Bloom Filter Searching for a key in a cache system might take a long time in a LSM tree because ...

// Character class [xyz] => matches one of [x,y,z] [a-c] => matches one of [a,b,c] // Negated ch...

What is it mutual exclusion a synchronization primitive used in concurrent programming to ensure...

Dev developing procedure checkout a new branch called "feature_branch" make modifications commit...

ZList: def buildZList(s: str) -> List[int]: """ Used in pattern matching: buildZList(need...

ISO 20022 a international standard for communication in financial systems. widely adopted by fin...

To apply the Inheritance Pattern to documents in a collection, you can use the aggregation framew...

Schema migration is transition from one schema to the next Migration Strategies: Eager: all at o...

In this example, we implemented the updated reviews schema to include an optional locale field, i...

To create a new "sales" collection schema validation, we use the createCollection method with the...

Unbounded Arrays an array without a size limit used subset pattern or extended reference pattern...

Move data no longer needed to a different place so performance is not dragged. archive book revi...

add a schema_version field to the document To Handle multiple versions: application handles bo...

Joins are expensive so store some must have data into the child to avoid joins. This creates dat...