Recent Articles Changed

What is URL encoding ? known also as Percent-encoding
Modified Jun 24 - 10:17
URL In a URL / Uniform Resource Identifier (URI), you have reserved character that are part of the URL syntax that cannot be used. For instance: the scheme separator : or the path separator / Percent-encoding, also known as Url Encoding maps (ie "...

Java - (Inheritance|Class Hierarchy) - (Subclass|Superclass) - (Extends, Super) - ( is a relationship)
Modified Jun 23 - 14:41
“” See . The Java programming language does not permit multiple inheritance, but interfaces provide an alternative. Keyword Extends The syntax for creating a subclass is simple. At the beginning of your class declaration, use the supeconstructor "...
Recent Articles Created
Chrome DevTool protocol (CDP)
Created May 25 - 16:30
The is a API that permits to call browsers implementing the CDP api (chrome of course but also any other browser implementation ) via json RPC. The protocol is used to communicate with Chrome and drive the headless browser instance. Usagewebdriverpu...
Data all the way
Always keep one hand firmly on data, Amos liked to say.
Data is what set psychology apart from philosophy, and physics from metaphysics.

Data Warehouse Subsystems
Developing a data warehouse means assembling a lot of subsystems in order to create a whole and coherent data application.
Discovers the 34 Kimball Subsystems and drill down to discover them

Data Processing
Data processing has changed a lot since 1940 :) and luckily, we are not using punch card anymore.
Stream processing is becoming the norm in data integration task while batch processing stays the king in data analysis.
ENIAC, 1946
The first fully electronic digital computer

Dimensional Data Modeling
Dimensional Data Modeling permits you to model a (hyper)cube and analyse a process through different perspective. You define dimensions, measures and metrics.
Most programs process some input to produce some output; that’s pretty much the definition of computing.

Function
A Function is the basic block of all reusable code component. It is also becoming the central component of any serverless architecture.
Knowledge isn't free. You have to pay attention.

Table / Relation
The table format (known also as a relation) is the most important data structure used in data analysis. Did you know that its name originate from the medieval counting table ?
Education isn't something you can finish.