The document discusses Ring's scope rules and provides examples. Some key points:
1. Ring has three scopes - local, object, and global. Variables are searched for in local scope first, then object scope, then global scope.
2. The 'self' reference inside methods changes based on nested object scopes defined with curly braces.
3. Variables defined in a class region become attributes accessible via the object scope. Using 'self.attribute' in the class region avoids conflicts with the global scope.
This will help you to identify the scope to refactor your code. Compiled from Refactoring: Improving the Design of Existing Code by Martin Fowler et al.
In this session you will learn:
background and goals of generic programming
basics of generic classes = parameterized types
generic methods for general algorithms
inheritance rules for generic types
bounded type parameters
generic code and the Java Virtual Machine
restrictions and limitations
wildcard types and wildcard type capture
For more information, visit this link: https://www.mindsmapped.com/courses/software-development/online-java-training-for-beginners/
Learn about how to define and invoke methods in Java, how to use parameters and return results. Watch the video lesson here:
https://softuni.org/code-lessons/java-foundations-certification-methods
This will help you to identify the scope to refactor your code. Compiled from Refactoring: Improving the Design of Existing Code by Martin Fowler et al.
In this session you will learn:
background and goals of generic programming
basics of generic classes = parameterized types
generic methods for general algorithms
inheritance rules for generic types
bounded type parameters
generic code and the Java Virtual Machine
restrictions and limitations
wildcard types and wildcard type capture
For more information, visit this link: https://www.mindsmapped.com/courses/software-development/online-java-training-for-beginners/
Learn about how to define and invoke methods in Java, how to use parameters and return results. Watch the video lesson here:
https://softuni.org/code-lessons/java-foundations-certification-methods
The Challenges of Good Governance and Project Implementation in Nigeria: A Re...AJHSSR Journal
ABSTRACT : This study reveals that systemic corruption and other factors including poor leadership,
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variation of project design have been the causative factors that undermine projects implementation in postindependence African states, particularly in Nigeria. The study, thus, argued that successive governments of
African states, using Nigeria as a case study, have been deeply engrossed in this obnoxious practice that has
undermined infrastructure sector development as well as enthroned impoverishment and mass poverty in these
African countries. This study, therefore, is posed to examine the similarities in causative factors, effects and
consequences of corruption and how it affects governance, projects implementation and national growth. To
achieve this, the study adopted historical research design which is qualitative and explorative in nature. The
study among others suggests that the governments of developing countries should shun corruption and other
forms of obnoxious practices in order to operate effective and efficient systems that promote good governance
and ensure there is adequate projects implementation which are the attributes of a responsible government and
good leadership. Policy makers should also prioritize policy objectives and competence to ensure that policies
are fully implemented within stipulated time frame.
KEYWORDS: Developing Countries, Nigeria, Government, Project Implementation, Project Failure
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How social media marketing helps businesses in 2024.pdfpramodkumar2310
Social media marketing refers to the process of utilizing social media platforms to promote products, services, or brands. It involves creating and sharing valuable content, engaging with followers, analyzing data, and running targeted advertising campaigns.
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Social media refers to online platforms and tools that enable users to create, share, and exchange information, ideas, and content in virtual communities and networks. These platforms have revolutionized the way people communicate, interact, and consume information. Here are some key aspects and descriptions of social media:
Non-Financial Information and Firm Risk Non-Financial Information and Firm RiskAJHSSR Journal
ABSTRACT: This research aims to examine how ESG disclosure and risk disclosure affect the total risk of
companies. Using cross section data from 355 companies listed in Indonesia Stock Exchange, data regarding
ESG disclosure and risk was collected. In this research, ESG and risk disclosures are measured based on content
analysis using GRI 4 guidelines for ESG disclosures and COSO ERM for risk disclosures. Using multiple
regression, it is concluded that only risk disclosure can reduce the company's total risk, while ESG disclosure
cannot affect the company's total risk. This shows that only risk disclosure is relevant in determining a
company's total risk.
KEYWORDS: ESG disclosure, risk disclosure, firm risk
Exploring Factors Affecting the Success of TVET-Industry Partnership: A Case ...AJHSSR Journal
ABSTRACT: The purpose of this study was to explore factors affecting the success of TVET-industry
partnerships. A case study design of the qualitative research method was used to achieve this objective. For the
study, one polytechnic college of Oromia regional state, and two industries were purposively selected. From the
sample polytechnic college and industries, a total of 17 sample respondents were selected. Out of 17
respondents, 10 respondents were selected using the snowball sampling method, and the rest 7 respondents were
selected using the purposive sampling technique. The qualitative data were collected through an in-depth
interview and document analysis. The data were analyzed using thematic approaches. The findings revealed that
TVET-industry partnerships were found weak. Lack of key stakeholder‟s awareness shortage of improved
training equipment and machines in polytechnic colleges, absence of trainee health insurance policy, lack of
incentive mechanisms for private industries, lack of employer industries involvement in designing and
developing occupational standards, and preparation of curriculum were some of the impediments of TVETindustry partnership. Based on the findings it was recommended that the Oromia TVET bureau in collaboration
with other relevant concerned regional authorities and TVET colleges, set new strategies for creating strong
awareness for industries, companies, and other relevant stakeholders on the purpose and advantages of
implementing successful TVET-industry partnership. Finally, the Oromia regional government in collaboration
with the TVET bureau needs to create policy-supported incentive strategies such as giving occasional privileges
of duty-free import, tax reduction, and regional government recognition awards based on the level of partnership
contribution to TVET institutions in promoting TVET-industry partnership.
KEY WORDS: employability skills, industries, and partnership
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“To be integrated is to feel secure, to feel connected.” The views and experi...AJHSSR Journal
ABSTRACT: Although a significant amount of literature exists on Morocco's migration policies and their
successes and failures since their implementation in 2014, there is limited research on the integration of subSaharan African children into schools. This paperis part of a Ph.D. research project that aims to fill this gap. It
reports the main findings of a study conducted with migrant children enrolled in two public schools in Rabat,
Morocco, exploring how integration is defined by the children themselves and identifying the obstacles that they
have encountered thus far. The following paper uses an inductive approach and primarily focuses on the
relationships of children with their teachers and peers as a key aspect of integration for students with a migration
background. The study has led to several crucial findings. It emphasizes the significance of speaking Colloquial
Moroccan Arabic (Darija) and being part of a community for effective integration. Moreover, it reveals that the
use of Modern Standard Arabic as the language of instruction in schools is a source of frustration for students,
indicating the need for language policy reform. The study underlines the importanceof considering the
children‟s agency when being integrated into mainstream public schools.
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KEYWORDS: migration, education, integration, sub-Saharan African children, public school
Enhance your social media strategy with the best digital marketing agency in Kolkata. This PPT covers 7 essential tips for effective social media marketing, offering practical advice and actionable insights to help you boost engagement, reach your target audience, and grow your online presence.
The Ring programming language version 1.9 book - Part 85 of 210
1. Ring Documentation, Release 1.9
z: 30.000000
x: 10.000000
y: 20.000000
z: 30.000000
100
200
300
100
200
300
10
20
30
69.14 The For Loops uses the local scope
Starting from Ring 1.8, when the For Loop defines new identifier (variable) it will define it in the local scope.
Example:
x = 10
? x # Print 10
test1()
? x # Print 10
test2()
? x # Print 10
func test1
for x = 1 to 5
next
? x # Print 6
func test2
list = 1:5
for x in list
next
? x # Print NULL (The "For In" loop will kill the reference after the loop)
Output:
10
6
10
NULL
10
69.15 Summary of Scope Rules
At first remember that
1 - Each programming language comes with it’s scope rules based on the language goals
2 - Programming in the small is different than Programming in the Large
3 - Some programming language are designed for developing small programs while others are designed for large
programs
69.14. The For Loops uses the local scope 809
2. Ring Documentation, Release 1.9
4 - In programming, If we have access to more than one scope - Then problems may come if we don’t manage things
correctly
5 - It’s always more secure to reduce the number of visible scopes
6 - Some programming languages force you to manage the scope in some way, while others not!
In Ring
1 - Special and very simple scope rules that are designed for Flexibility first then Security
2 - Ring is designed to support programming in the small and programming in the large.
3 - The language provide the different programming paradigms that you may select from based on the project size.
Errors comes only if you selected a bad paradigm for the target project or you are using the paradigm in a way that is
not correct or at least not common.
4 - In Ring you have the choice, you can use global variables or avoid them. you can give them a special $ mark or
leave them. you can use object-oriented or stay with procedures. you can use the class region (after the class name
and before any method) just for attributes or use it for code too.
5 - Just read the next scope rules and think about them then use them in your favorite way.
Scope Rules:
1 - At any place in our program code we have only at maximum Three Scopes (Local Scope, Object Scope and Global
Scope).
2 - When Ring find a variable it will search in the local scope first then in the object scope then in the global scope.
3 - At any time inside procedures or methods you can use braces { } to access an object and change the current object
scope.
4 - In the class region (After the class name and before any method) this is a special region where both of the object
scope and the local scope point to the object scope. I.e. No local variables where each variable you define in this
region will become an attribute.
5 - Before defining any variable (in any scope and in the class region too) a search process will be done to use the
variable if it’s found.
6 - Functions and Methods parameters are defined automatically as local variables to these functions or methods.
7 - Using Object.Attribute will search in the object attributes only.
8 - Using Self.Attribute will lead to a search for Self first then search in Self Attributes.
9 - The Self reference inside class region (after the class name and before any method) always point to the object scope
created from the class.
10- The Self reference inside methods will be changed when we uses Braces to be a reference to the object that we
access.
11- Writing variable names directly in the class region (after the class name and before any method) means using them
or define then (in order).
12- Using self.attribute in the class region reduce search to the object scope (avoid conflict with global scope).
From these rules you can understand all types of conflicts and why you may have them and how to avoid them
Simple advices to avoid any conflict and use the scope rules in a better way
1 - Try to avoid global variables
2 - Use the Main Function - This will help you to avoid global variables
3 - If you are going to use many global variables use the $ mark before the variable name
69.15. Summary of Scope Rules 810
3. Ring Documentation, Release 1.9
4 - In the class region if you don’t respect the advice number three ($) then use self.attribute when you define your
attributes
5 - You can use object.attribute and object.method() instead of object { attribute } and object { method() } if you don’t
like changing the object scope.
6 - If you will use nested braces in a class - think about using the class region if possible because in this region you
will have access to the object that you access using { } + access to the class attributes
7 - If you are inside a class method and used nested braces you will change the object scope with each brace and you
will loss the access to the class attributes directly but you have access to the local scope before and after using brace
{ } , if you will read/modify the class attribute from braces then use This.Attribute because using ‘This’ means (The
object created from this class) while using ‘Self’ means (The object in the current object scope).
After understanding all of the previous points, You will master this topic.
69.15. Summary of Scope Rules 811
4. CHAPTER
SEVENTY
SCOPE RULES FOR FUNCTIONS AND METHODS
In this chapter we will learn about the scope rules for functions and methods.
You need to know the next information once you started using Ring for large applications.
These applications may contains and use
• Many Packages and Classes written in Ring
• Many Functions written in Ring
• Standard Ring Functions (Written in C language)
• Functions and Classes written in C/C++ languages
70.1 How Ring find the Functions and Methods?
When you call a method or function, Ring will start a search process to find this function
If found –> Call the function and store the function pointer in the cache so Ring can use it again with doing another
search.
If not found —> Runtime error message (That you can avoid using Try/Catch)
How the search process is done?
Search for functions/methods follow the next order
1 - Search in methods (if we are inside class method or object using braces {})
2 - Search in functions written by the programmer using Ring Code
3 - Search in functions written in C/C++ like standard Ring functions
This enable us to write clean code inside classes methods and avoid any conflict with functions.
If we want to call a function with the same name as a method in the class we will need a wrapper function or we will
access a temp. object using { } then call that function there.
We can replace C/C++ Functions with Ring Functions.
We can replace Ring Functions with Ring Methods.
Note: Using self.method() is not necessary in any use case.
Tip: We can use this.method() to escape from the current active scope that we access using braces {} and call a
method in the class that we are inside.
812
5. Ring Documentation, Release 1.9
70.2 Example about Sharing Names between Functions and Methods
Look at the next example
func main
o1 = new myclass { test() test2() }
test2()
func f1
see "f1 function" + nl
func f2
see "f2 function" + nl
func f3
see "f3 function" + nl
func test2
myline()
see "test2 function" + nl
new myclass {
f1()
f2()
f3()
self.f3()
}
myobj = new myclass
myobj.f3()
myline()
func myline
see copy("=",40) + nl
Class myclass
func test
myline()
see "test method" + nl
f1()
f2()
f3()
myline()
func f3
see "f3 method" + nl
func test2
myline()
see "test2 method" + nl
self {
f1()
f2()
f3()
}
myline()
Output:
70.2. Example about Sharing Names between Functions and Methods 813
6. Ring Documentation, Release 1.9
========================================
test method
f1 function
f2 function
f3 method
========================================
========================================
test2 method
f1 function
f2 function
f3 method
========================================
========================================
test2 function
f1 function
f2 function
f3 method
f3 method
f3 method
========================================
70.3 Calling a function sharing the name with a method in the current
class
In the previous example we have a function called f3() and we have a method called f3()
How we can call the f3() function from the test() method ?
Solution (1) : Change the current object scope to another object scope
In this solution we will have an empty class called local that we will use to change the current object scope.
func main
o1 = new myclass { test()}
func f1
see "f1 function" + nl
func f2
see "f2 function" + nl
func f3
see "f3 function" + nl
func myline
see copy("=",40) + nl
Class myclass
func test
myline()
see "test method" + nl
f1()
f2()
f3() # call f3() method
new local { f3() } # call f3() function
myline()
70.3. Calling a function sharing the name with a method in the current class 814
7. Ring Documentation, Release 1.9
func f3
see "f3 method" + nl
class local
Output:
========================================
test method
f1 function
f2 function
f3 method
f3 function
========================================
70.3. Calling a function sharing the name with a method in the current class 815
8. CHAPTER
SEVENTYONE
SYNTAX FLEXIBILITY
In this chapter we will learn about some options that are provided automatically by the Ring compiler for syntax
flexibility.
71.1 Change Language Keywords
We can change any keyword using the ChangeRingKeyword command.
Note: Remember to restore the keyword again if the team will mix between styles in the same project.
Tip: The ChangeRingKeyword command is executed in the scanner stage by the compiler (before parsing).
Syntax:
ChangeRingKeyword <oldkeyword> <newkeyword>
Example:
ChangeRingKeyword see print
print "welcome" + nl
ChangeRingKeyword print see
see "Welcome" + nl
Example:
ChangeRingKeyword func function
ChangeRingKeyword see print
ChangeRingKeyword ok endif
ChangeRingKeyword next endfor
ChangeRingKeyword end endwhile
x = 10
while x > 0
print "x = " + x + nl
for t = 1 to 10
if t = 3
print "number three" + nl
endif
endfor
816
9. Ring Documentation, Release 1.9
x--
endwhile
test()
function test
print "message from test" + nl
ChangeRingKeyword function func
ChangeRingKeyword print see
ChangeRingKeyword endif ok
ChangeRingKeyword endfor next
ChangeRingKeyword endwhile end
71.2 Change Language Operators
We can change any operator using the ChangeRingOperator command.
Note: Remember to restore the operator again if the team will mix between styles in the same project.
Tip: The ChangeRingOperartor command is executed in the scanner stage by the compiler (before parsing).
Syntax:
ChangeRingOperator <oldkeyword> <newkeyword>
Example:
The next program hide the + operator by changing it to _+
changeringoperator + _+
changeringkeyword SEE PRINT
try
print 5 + 10
catch
print nl print "error" print nl
done
changeringoperator _+ +
The next program change the + operator to “plus”.
changeringoperator + plus
changeringkeyword SEE PRINT
Print 5 plus 5
changeringoperator plus +
changeringkeyword PRINT SEE
71.2. Change Language Operators 817
10. Ring Documentation, Release 1.9
71.3 Load Syntax Files
You may store a group of ChangeRingKeyword and ChangeRingOperator commands in a file to use later in many
source files. You can’t use the Load command to call these files because
• ChangeRingKeyword and ChangeRingOperator commands are executed in the scanner phase by the compiler
(before parsing).
• The load command is executed in the parsing phase (after the scanner phase).
Solution: Use the LoadSyntax Command which is executed in the scanner phase.
Syntax:
LoadSyntax "syntaxfile.ring"
Example:
File : StyleBasicOn.ring
ChangeRingKeyword see print
ChangeRingKeyword ok endif
ChangeRingKeyword next endfor
ChangeRingKeyword end endwhile
File : StyleBasicOff.ring
ChangeRingKeyword print see
ChangeRingKeyword endif ok
ChangeRingKeyword endfor next
ChangeRingKeyword endwhile end
File : UseStyleBasic.ring
LoadSyntax "stylebasicon.ring"
x = 10
while x > 0
print "x = " + x + nl
for t = 1 to 10
if t = 3
print "number three" + nl
endif
endfor
x--
endwhile
LoadSyntax "stylebasicoff.ring"
see "done" + nl
Note: files called by the LoadSyntax command must contains ChangeRingKeyword and ChangeRingOperator com-
mands only.
Tip: files called by the LoadSyntax command doesn’t support functions, packages and classes. just imperative
commands only.
Note: Using this feature you can create many styles that you can use in the same project and you can support Ring
71.3. Load Syntax Files 818