I WILL KILL YOUAKA, do_this() and die;

AKA, things that piss me off

Sawyer X ( )@PerlSawyer

WORDS OF CAUTIONTIMTOWTDIYour mileage may varyNo batteries includedDon't drink and drive

And lastly...

SMALL PROBLEMSunless()Postfix if()

REALLY STUPID STUFF$a, $b,$i, $j, $k, $l, $m, $n$f, $u, $c, $k, $y, $o, $uTrailing spaces STOP IT!$var, @array, %hash

TABS VS. SPACESThe eternal struggle

Do not mix tabs and spacesDo NOT mix tabs and spacesDO NOT mix tabs and spacesDO NOT MIX TABS AND SPACES!

Best rule? No tabs, only spaces

MISUNDERSTANDINGSmap without checking value

C-style for/foreach

# map EXPR,LISTmy %ages = map +( $_ => $kids{$_}{'age'} ), keys %kids;

# map BLOCK LISTmy @sorted = map { $_->[0] } sort { $a->[1] <=> $b->[1] } map { [ $_, checksum($_) ] } @sizes;

# for/foreach LISTmy @kids = qw<jenny jeff john jackie jim john joan june jude josh>;for ( my $i = 0; $i < @kids; $i++ ) { say "-> $kids[$i]";}

foreach my $kid (@kids) { say "-> $kid";}

say "-> $_" for @kids;

SWITCHESif ($one) {...}elsif ($two) {...}elsif ($three) {...}else {...}

my %dispatch = ( $one => sub {...}, $two => sub {...}, $three => sub {...},);

if ( exists $dispatch{$input} ) { $dispatch{$input}->(...);} else {...}

EMPTY IF CLAUSEif ($something) { # do nothing} else { # the actual work}

RETURN VARIABLESmy $return;

if ($this) { ... $return = 'this';} elsif ($another_thing) { ... $return = 'that';}

return $return;

CLASS METHODSSome::Class->my_method

WORKFLOW TRY/CATCHNOT FOR WORKFLOW!

GOTO HELL;NOT FOR WORKFLOW!

# C label jumpsgoto HELL;

# somewhere elseHELL: continue_DBIx_Class_code();

# overrides the current frame in the stack# good, when necessarygoto &my_function;

WHY?Because code is alive and grows

Sometimes to ridiculous age

You might not be the last

And the next might know your address

THANK YOU

HIDDEN SLIDES

AN ODD ODETO A SPECIAL SOMEONE...

You are the air beneath my wings

You are the sunlight in my garden

And I am happy you are here

And to Cluj.pm...I warned you!