Section 1
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Last updated
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Date created
Mar 1, 2020
Cards (111)
Section 1
(50 cards)
$
To refer to a single element of an array or hash in Perl, you use this symbol
March 1993
First implementation of Sol language
Perl is loosely typed
Perl is loosely typed
until
the explicit terminator for repeat (LUA)
Break
to finish a loop (LUA)
Larry Wall
He developed Perl
lua
Is a lightweight, multi-paradigm programming language designed for embedded systems and clients
TecGraf Roberto Waldemar Celes Luiz Henrique
Creators of Lua
Perl 6
the version of Perl which eventually evolved into a separate language
nil
used to differentiate the value from having some data or no data
5.3
latest version of Lua
Perl
a general-purpose Unix scripting language
Void
this context not only doesn't what the return value is, it doesn't even want a return value (PERL)
Pontific Catholic University, Brazil
The university where Lua was created
io.read()
read a line from the standard input (LUA)
DEL and Sol was combined to a single and powerful language
DEL and Sol was combined to a single and powerful language
thread
represents independent thread of execution
.lua
file extension of lua scripts
Swiss Army chainsaw of scripting languages
because of Perl's flexibility and power along with its ugliness, it was given this nickname
Standard input (stdin)
The library initializes the current input file in Lua
userdata
represents arbitrary C data in Lua
break & return
these statements allow us to jump out from an inner block. (LUA)
Practical Extraction and Reporting Language
PERL backronym meaning
Hashes
they are unordered sets of key/value pairs preceded by the % sign (PERL)
ANSI C
Lua was written in this language
Array
they are ordered lists of scalars preceded by the @ sign (PERL)
Lua Has been used in various famous softwares and games
Lua Has been used in various famous softwares and games
. (period)
concatenation operator in Perl
moon
meaning of Lua in Portuguese
Scalar
they are simple variables preceded by a dollar sign in Perl; a single unit of data (PERL)
\l
Forces next character to lower case (PERL)
In Lua, OOP concepts can be faked using tables
In Lua, OOP concepts can be faked using tables
1993
The year Lua was created
return
simply finishes a function (LUA)
Io.write() & print()
print a line from the standard input (LUA)
\L
forces all following characters to lower case (PERL)
183kb
the file size of Lua's interpreter
\u
Forces next character to uppercase (PERL)
function
keyword in declaring a function in Lua
\U
Forces all following characters to uppercase (PERL)
table
represent ordinary arrays, symbol tables, etc... EXCEPT nil
Angry Birds Dota 2 Farcry 5 HON
Lua scripted video games
Functional Programming
Views program with a mathematical approach and avoids mutable data
duct tape
Another nickname of Perl that holds the internet together
Scripting Language
Interpreted not compiled which makes it easier to debug
\E
the explicit terminator for \u, \U, \l, \L (PERL)
Standard output (stdout)
The library initializes the current output file in Lua
Lua is cross-platform
Lua is cross-platform
end
the explicit terminator for if, while, and for (LUA)
push pop shift unshift
adding and removing elements in array (PERL)
Section 2
(50 cards)
Bourne shell
the default shell for Version 7 Unix
print()
the simplest sort of print/outputting data (PERL)
let
keyword to declare constants in Swift
STDOUT
Perl uses this connection to write/print data
January 10, 1988
date of development for Bash
last
this statement terminates the loop (PERL)
printf()
this output function gives you a lot more control over your output (PERL)
December 3, 2015
the date when Swift was made open source
tuple
this is used to group multiple values in single compound value
2015
Swift won FIRST place for Most Loved Programming Language during this year
var
keyword to declare variables in Swift
ver 2.2
the version of Swift when it was made open-source
Ted Kremenek
Chris Lattner's replacement after leaving Apple
goto LABEL
The goto LABEL form jumps to the statement labeled with LABEL and resumes execution from there (PERL)
chop()
it removes the last character from a string (PERL)
Worldwide Developers Conference
WWDC
Swift 4 is a type-safe language
Swift 4 is a type-safe language
chomp()
it removes the suffix of the string only if it matches the input record separator $/ which is by default the newline character(
) (PERL)
Semicolon is optional and not-required (Swift)
Semi-colon is optional and not-required (Swift)
July 2010
date when development for Swift began
Chris Lattner
developer of Swift
continue
a block of code rarely used in looping structures (PERL)
Interpolative
this context only happens inside quotes, or things that work like quotes (PERL)
next
this statement starts the next iteration of the loop (PERL)
local
local variables can be created using this keyword (BASH)
optional
this represents a variable that can hold a value or no value (SWIFT)
Bourne shell (sh)
is a shell, or command-line interpreter, for computer operating systems.
Type inference
enables a compiler to deduce the type of a particular expression automatically when it compiles your code, simply by examining the values you provide.
Wordpress Firefox youtube Soundcloud
Apps written in Swift
2016
Swift won SECOND place for Most Loved Programming Language during this year
Associative array
a new kind of array introduced to Bash 4.0
Stéphane Chazelas
She discovered the Shellshock/Bashdoor security hole (BASH)
There cannot be a space before and after the equal sign (BASH)
There cannot be a space before and after the equal sign (BASH)
goto EXPR
The goto EXPR form is just a generalization of goto LABEL (PERL)
Constant and variable names can contain almost any character, including Unicode characters (SWIFT)
Constant and variable names can contain almost any character, including Unicode characters (SWIFT)
Bash
is a Unix shell and command language written by Brian Fox for the GNU Project as a free software
for
this looping structure can act as a 3-part C-style for loop (PERL)
2017
Swift won 11th place for Most Loved Programming Language during this year
redo
this command restarts the loop block without evaluating the conditional again (PERL)
$ (dollar)
you use this symbol to retrieve the value from a variable (BASH)
<STDIN> / <>
taking input from the keyboard (PERL)
Swift
is a general-purpose, multi paradigm, compiled programming language developed by Apple Inc. for iOS, macOS, watchOS, tvOS, and Linux
type annotation
to be clear about the kind of values the constant or variable can store.
goto &NAME
It substitutes a call to the named subroutine for the currently running subroutine (PERL)
do, done
the keywords to start and end a block of loop (BASH)
Shellshock
A security hole in Bash dating from version 1.03 (August 1989), was discovered in early September 2014 and quickly led to a range of attacks across the Internet.
Bashdoor
Shellshock is also known as ___
Ctrl + C
hotkey for terminating infinite loops (PERL)
By convention, types in Swift are named using camel case notation
By convention, types in Swift are named using camel case notation
Brian Fox
developer of Bash
Section 3
(11 cards)