Demian Dekoninck DemianD

## 1.svg

      
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                / 1.svg
            
            
              Last active
              November 19, 2018 08:34
                — forked from CedricVanhaverbeke/1.svg
            
          
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## 16.md

      
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                DemianD
                / 16.md
            
            
              Created
              June 8, 2018 13:08
                — forked from simondegheselle/16.md
            
              
                16.md
              
          
    Doolhofoefening

Filteren op bruikbare informatie


filteren op lijnen die eindigen met een w
lijnen die na endstream komen

Lijnen die ons interesseren


koppels lijnen die eindigen op m en l
bevatten coördinaten in pixels die getekend worden


## 16.pl
@ARGV_COPY = @ARGV;

$/ = undef;
$file = <>;

# filtering lines
$file =~ s/.* w$//ms;
$file =~ s/endstream.*//ms;
$_ = $file;

## SQL Cheat Sheet.md

      
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                DemianD
                / SQL Cheat Sheet.md
            
            
              Created
              June 12, 2016 21:48
                — forked from janikvonrotz/SQL Cheat Sheet.md
            
              
                SQL Cheat Sheet#SQL#Markdown
              
          
    SQL languages

DDL is short name of Data Definition Language, which deals with database schemas and descriptions, of how the data should reside in the database.
DML is short name of Data Manipulation Language which deals with data manipulation, and includes most common SQL statements such SELECT, INSERT, UPDATE, DELETE etc, and it is used to store, modify, retrieve, delete and update data in database.
DCL is short name of Data Control Language which includes commands such as GRANT, and mostly concerned with rights, permissions and other controls of the database system.
Datatypes

Text types
	@ARGV_COPY = @ARGV;

	$/ = undef;
	$file = <>;

	# filtering lines
	$file =~ s/.* w$//ms;
	$file =~ s/endstream.*//ms;
	$_ = $file;