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nmingotti / The-Cuis-CookBook Public

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Basic operations with Morphs

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Dr. Nicola Mingotti edited this page Jan 31, 2022 · 5 revisions

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Toggle table of contents Pages 124

Home
A thousand ways to say new line
About Random
Adapt newline characters to Cuis standard
An example of customized Cuis startup
Application. Convert a color image to black and white
Assertions
Author name and initial programmatically
Automatically escape a complex string
Basic event handling in Morphic
Basic operations with Morphs
Building the Virtual Machine
Call the debugger from a code location
Change the way an Object is printed
Check things on a pathname. Is there anything? Is it a file? Is it writable? ...
Choosing between FFI and plugin
Convert a file to from Base64
Convert to Base64
Convert UTF16 to Latin1
Create a new non existing file name
Create automatically all accessor for your new Class
Date and time algebra
Deal with XML files
Delete files and directories
Deploy a Cuis application in Linux
Deploy a Cuis application in Windows 10
Dictionary a.k.a. Hash Table
Discover in what package a Class lives
Drawing and pictures with the ImageMorph
DrGeo
Dump and restore JSON data strings
Errors, raise and catch signals
Filename extensions: .txt, .csv, .json ...
Find all objects referencing anObject
Find the current directory, list it and move in the directory tree
First things first: 1 1 and "Hello World"
Follow step bye how a method call gets resolved. Example 1
Fonts 1
Format date and time as you like most
Get date and time as Unix epoch
Get information about the hardware
Get the current date and time
get the current World object
Get the directory where a Class (its Package) is stored
Get the list of open files
How can I make X ? Learn to fish in Smalltalk
How do I create my own Class with some methods inside it?
How do I define a function?
How do I pass a string to be executed by Cuis when it boots ?
How to discover the IP of a given hostname
How to dump and restore an Object
How to get a webpage content
How to hash a string
How to invoke the garbage collector
How to load the most recent changes Juan made to Cuis Smalltalk Dev
How to ping a computer
How to quit Cuis immediately
How to Read or Write a text file
How to Read or Write a text file with a Stream
How to use Class variables
Install and run Cuis in Linux
Interaction tricks
Introduction
Introduction to morphs Layout
it didn t understand can t happen
Jump to the next level of power, use Regex
Kill a Morph
Learn how to use the Transcript
literals
Make a stream from a string
Make your own object initalization
My project needs to add a method to somebody else Class, how do I do it ?
OrderedCollection a.k.a. List
Place Morphs in World as you wish, automatically
Processes 101
Quick exception handling
Read a file line by line
Read Write a binary file
References
Run a method every 2 hours or every day at 15:00
Run a program and get all its output
Run a program with CommandShell
Run a program with OSProcess
Run a script with a proper window title
Run Cuis in a ARM platform, RPi, BeagleBone and similar. (Linux)
Run Cuis in the Web Browser. (SqueakJS)
Scripting with Cuis General considerations
See the compiled code
See the list of running processes
Set your preferred font size
Set your user name
Show me the string, but max N. characters
Stop the system from asking to save the image on pressing Cuis World Quit
Stop the system from asking to save the image on pressing Cuis World >Quit
String escape
String formatting with format:
String formatting with printf:
String joining
String replace
String search
String splitting
The ABC of interacting with Unix
The Cuis Cookbook
The Cuis parser
The Cuis scanner
The Dependency Mechanism 1
The Dependency Mechanism 2
The Dependency Mechanism 3
The things you may call a List
Traps and pitfalls for polyglot developers
Traps and pitfalls specific to running external programs
Trim white chars
Using file locks
VectorGraphcis plugin
What is a .log file?
What is a .user.changes file?
What is a package? How do I create, load and unload one?
What is release of the image and VM I am running?
What Strings are made of and how
Where is the image file? Where is the VM?
Why Smalltalk?
Write a long String with a Stream
Write to stdout in any system
Zip and unZip files and directories

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