Recent Articles Changed

Php - Regular expressions (Perl-compatible)

Modified Jan 20 - 13:27

Multilingual Regular Expression Syntax (Pattern) in Php are an implementation of Regexp - Perl-compatible regular expressions (PCRE) with the PCRE library (See ). Therefore, the syntax for patterns used in these functions closely resembles to Regexp...

CSS - Property

Modified Jan 20 - 10:30

CSS Definition CSS defines a finite set of parameters, called properties, that defines the rendering of a document. Properties are written in a Css - Rule (Set|Declaration) after the element selection definition. Properties are attached to various pa...

Video / Motion / Animation / Film

Modified Jan 20 - 09:50

A video is a just a sequence of Video - Frame shown at the frequency called Video - Frame per Second Demo: Flipbook within a flipbook () Movies at first were called moving pictures. A good example to see is...

Sqlite - Collation (String comparison)

Modified Jan 18 - 10:43

Collation - String comparison in Sqlite Documentation / Reference ...

CSS - (Display property|Box Type)

Modified Jan 17 - 20:18

CSS The display CSS - Property defines the CSS - Layout Mode (Visual Formatting Model) type. Articles Related Values CSS - Inline Element: Default value. Displays an element as CSS - Inline Element. Rules in the user agent's default style sheet ma...

Shell - Compound Commands

Modified Jan 17 - 10:10

A compound command is one of the following: Articles Related (list) where () defines the execution environment as a Bash - Subshell () Variable assignments and builtin commands that affect the shell’s environment do not remain in effect after the...

Bash - Case

Modified Jan 17 - 10:10

The case control statement execute Bash - (Simple) (Command | Expression) based on regular expression pattern matching. Articles Related Syntax Selectively execute COMMANDS based upon WORD matching PATTERN. The | is used to separate multiple patterns...

Bash - For Statement

Modified Jan 17 - 10:09

The Grammar - For in Bash Shell and (Unix|Linux) Utilities (XCU) forBash - Loop Articles Related Example Array looping loop with the Bash - Version File With a Linux - File. Locate returns a list of file. for name [ in word ] ; do list ; done The l...

Recent Articles Created

Sqlite - Collation (String comparison)

Created Jan 18 - 10:43

Collation - String comparison in Sqlite Documentation / Reference ...

Bash - Until

Created Jan 17 - 09:56

The until syntax in bash Syntax The until command is identical to the Bash - While, except that the test isnegated; the do Bash - Lists of Commands is executed as long as the last command in list returns a non-zero exit status. The exit status of th...

Bash - While

Created Jan 17 - 09:55

while syntax in Bash - Bash cli Syntax The while command continuously executes the do list as long as the last Bash - (Simple) (Command | Expression) in Bash - Lists of Commands returns an exit status of zero. The exit status of the while and until ...

SQL - Order by

Created Jan 12 - 08:12

order by is a SQL - Query (SELECT) clause that will Collation - String comparison the records according to a Collation - String comparison. Example...


Created Jan 12 - 07:41

collation compare Text - String according to the conventions and standards of a particular Application - locale (set of parameters). Algorithm Unicode Algorithm plus locale-specific comparison rules from the Common Locale Data Repository...

MouseMove Event

Created Jan 07 - 16:02

MouseMove Event About mousemove is an DOM - Event that occurs when the pointing device is moved while it is over an element. The onmousemove attribute may be used with most elements. It permits to track the mouse location. Demo * The DOM - E...

Javascript - Debounce Function

Created Jan 07 - 09:40

Javascript - Debounce Function About A debounce is a function that: * will wrap a DOM - Event Callback Function (Attach function to Event) * will not let the DOM - Event Callback Function (Attach function to Event) execute for each DOM - Even...

Sqlite - (Compile) Options

Created Jan 05 - 12:40

Sqlite - (Compile) Options About Options in SQLite permits to see which feature is enabled or not. The options are dependent: * of the compile option. They may be or not enabled when creating the sqlite application * on the SQLite - Version ...

Data all the way

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 Warehouse Subsystems

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.

Data Processing

ENIAC, 1946

The first fully electronic digital computer

Data Modeling

Data Modeling is the translation of process into the world of data. The process is tricky but not insurmountable.

Data Modeling

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.

Dimensional Data Modeling

Most programs process some input to produce some output; that’s pretty much the definition of computing.


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.

Computing Division at the Department of the Treasury, mid 1920s

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.

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