In computer programming, operator overloading, sometimes termed operator ad hoc polymorphism, is a specific case of polymorphism, where different operators have different implementations depending on their arguments. Operator overloading is generally defined by a programming language, a programmer, or both.
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If any class have multiple functions with same names but different parameters then they are said to be overloaded. Function overloading allows you to use the same name for different functions, to perform, either same or different functions in the same class.
If you have to perform one single operation but with different number or types of arguments, then you can simply overload the function.
Functions in C++, this presentation will cover the following topics
• Functions
• Functions Basics
• Overloaded functions
o Different numbers of arguments
o Different kinds of arguments
Revision Fucntion overloading
• Inline functions
• Default arguments
Operator Overloading
The keyword Operator
Overloading Unary Operator
Operator Return Type
Overloading Assignment Operator (=)
Rules for Overloading Operators
Inheritance
Reusability
Types of Inheritance
Virtual Base Classes
Object as a Class Member
Abstract Classes
Advantages of Inheritance
Disadvantages of Inheritance
In computer programming, operator overloading, sometimes termed operator ad hoc polymorphism, is a specific case of polymorphism, where different operators have different implementations depending on their arguments. Operator overloading is generally defined by a programming language, a programmer, or both.
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If any class have multiple functions with same names but different parameters then they are said to be overloaded. Function overloading allows you to use the same name for different functions, to perform, either same or different functions in the same class.
If you have to perform one single operation but with different number or types of arguments, then you can simply overload the function.
Functions in C++, this presentation will cover the following topics
• Functions
• Functions Basics
• Overloaded functions
o Different numbers of arguments
o Different kinds of arguments
Revision Fucntion overloading
• Inline functions
• Default arguments
Operator Overloading
The keyword Operator
Overloading Unary Operator
Operator Return Type
Overloading Assignment Operator (=)
Rules for Overloading Operators
Inheritance
Reusability
Types of Inheritance
Virtual Base Classes
Object as a Class Member
Abstract Classes
Advantages of Inheritance
Disadvantages of Inheritance
The term overloading means ‘providing multiple definitions of’. Overloading of functions involves defining distinct functions which share the same name, each of which has a unique signature. Function overloading is appropriate for:
Defining functions which essentially do the same thing, but operate on different data types.
Providing alternate interfaces to the same function.
Function overloading is purely a programming convenience.
Operators are similar to functions in that they take operands (arguments) and return a value. Most of the built-in C++ operators are already overloaded. For example, the + operator can be used to add two integers, two reals, or two addresses. Therefore, it has multiple definitions. The built-in definitions of the operators are restricted to built-in types. Additional definitions can be provided by the programmer so that they can also operate on user-defined types. Each additional definition is implemented by a function.
Connector Corner: Automate dynamic content and events by pushing a buttonDianaGray10
Here is something new! In our next Connector Corner webinar, we will demonstrate how you can use a single workflow to:
Create a campaign using Mailchimp with merge tags/fields
Send an interactive Slack channel message (using buttons)
Have the message received by managers and peers along with a test email for review
But there’s more:
In a second workflow supporting the same use case, you’ll see:
Your campaign sent to target colleagues for approval
If the “Approve” button is clicked, a Jira/Zendesk ticket is created for the marketing design team
But—if the “Reject” button is pushed, colleagues will be alerted via Slack message
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Charlie Greenberg, Host
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See how to accelerate model training and optimize model performance with active learning
Learn about the latest enhancements to out-of-the-box document processing – with little to no training required
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Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
The UiPath Test Manager overview with SAP heatmap webinar offers a concise yet comprehensive exploration of the role of a Test Manager within SAP environments, coupled with the utilization of heatmaps for effective testing strategies.
Participants will gain insights into the responsibilities, challenges, and best practices associated with test management in SAP projects. Additionally, the webinar delves into the significance of heatmaps as a visual aid for identifying testing priorities, areas of risk, and resource allocation within SAP landscapes. Through this session, attendees can expect to enhance their understanding of test management principles while learning practical approaches to optimize testing processes in SAP environments using heatmap visualization techniques
What will you get from this session?
1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
Topics covered:
Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
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Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
GraphRAG is All You need? LLM & Knowledge GraphGuy Korland
Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs.
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https://arxiv.org/abs/2306.08302
2. Microsoft Research's GraphRAG paper and a review paper on various uses of knowledge graphs:
https://www.microsoft.com/en-us/research/blog/graphrag-unlocking-llm-discovery-on-narrative-private-data/
UiPath Test Automation using UiPath Test Suite series, part 3DianaGray10
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Topics covered:
UI automation Introduction,
UI automation Sample
Desktop automation flow
Pradeep Chinnala, Senior Consultant Automation Developer @WonderBotz and UiPath MVP
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Software Delivery At the Speed of AI: Inflectra Invests In AI-Powered QualityInflectra
In this insightful webinar, Inflectra explores how artificial intelligence (AI) is transforming software development and testing. Discover how AI-powered tools are revolutionizing every stage of the software development lifecycle (SDLC), from design and prototyping to testing, deployment, and monitoring.
Learn about:
• The Future of Testing: How AI is shifting testing towards verification, analysis, and higher-level skills, while reducing repetitive tasks.
• Test Automation: How AI-powered test case generation, optimization, and self-healing tests are making testing more efficient and effective.
• Visual Testing: Explore the emerging capabilities of AI in visual testing and how it's set to revolutionize UI verification.
• Inflectra's AI Solutions: See demonstrations of Inflectra's cutting-edge AI tools like the ChatGPT plugin and Azure Open AI platform, designed to streamline your testing process.
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State of ICS and IoT Cyber Threat Landscape Report 2024 previewPrayukth K V
The IoT and OT threat landscape report has been prepared by the Threat Research Team at Sectrio using data from Sectrio, cyber threat intelligence farming facilities spread across over 85 cities around the world. In addition, Sectrio also runs AI-based advanced threat and payload engagement facilities that serve as sinks to attract and engage sophisticated threat actors, and newer malware including new variants and latent threats that are at an earlier stage of development.
The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
Download the full report from here:
https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
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Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
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Keynote at DIGIT West Expo, Glasgow on 29 May 2024.
Cheryl Hung, ochery.com
Sr Director, Infrastructure Ecosystem, Arm.
The key trends across hardware, cloud and open-source; exploring how these areas are likely to mature and develop over the short and long-term, and then considering how organisations can position themselves to adapt and thrive.
2. Why overload operators?
• We can define new data types using classes.
• Member functions are invoked by sending
messages.
• For many classes, this notation is
cumbersome.
• For some classes, especially mathematical
ones, it would be nice to be able to use
operators with instances of these classes.
3. Example
• Suppose we have:
– a class (called Time) for representing time of the day
– two Time objects time1 and time2
• We want to be able to do things like
– compare times
if (time1 < time2)
– print times to an output stream
cout << "The first time is " << time1 << endl;
4. Simple example in C++
• The division operator / is used for
– integer division
– floating point division
• Actually performs two different types of
division, but we use the same operator, i.e., it
is overloaded.
• We will talk about how to overload or redefine
our own operators for classes …
5. How to overload
operators?
• An overloaded operator is nothing but a
– function
• The name of the function is the keyword
operator followed by the symbol for the
operator being overloaded.
• Example:
– the function name operator+ would be
used to overload the + operator.
7. Details
• Overloading an operator like + allows statements
like:
object1 + object2
• This does not allow statements like:
object1 += object2
• The += operator must be overloaded separately.
• The "aritiy" (number of operands) of the operator
cannot change.
8. Implementing operator
overloading
• The functions must have access to the
private member data of the class.
• Two ways to write operator overloading
functions:
– Member functions
– Friend functions
9. Using member functions
• If the first operand of the operator is a class
instance or a reference to a class instance, the
overloaded operator can be implemented as a
member function.
• Example invocation
object = object1 + object2;
• Translated by compiler to
object = object1.operator+(object2);
• When overloading (), [], -> or any of the
assignment operators, the operator overloading
function must be declared as a class member.
10. Example - Rational
Numbers
class Rational
{
public:
Rational(int n = 0, int d = 1);
Rational operator+(const Rational &a) const;
Rational operator-(const Rational &a) const;
Rational operator*(const Rational &a) const;
private:
int numerator;
int denominator;
}
13. Rational Rational::operator+(const Rational & a)
{
int commonD = denominator * a.denominator;
int n = denominator * a. numerator +
numerator * a. denominator;
return Rational(n,commonD);
}
14. Using friend functions
• If the first operand of a binary operator is not
a class instance nor a reference to a class
instance, the overloaded operator can be
implemented as a friend function
• Both operands are function arguments.
• Example invocation
cout << object1;
• Translated by compiler to
operator<<(cout,object1);
15. Example: Overloading
<< and >>
• We often want to overload the insertion (>>) and extraction
(<<) operators so that objects can be written and read using
these operators.
• Phone number example: want to be able to read and write
in format like
(662) 325-7505
• Input statements might look like
cin >> phone1;
• Output statements might look like
cout << "My phone number is " << phone1 << endl;
16. Overloading << and >>
class PhoneNum
{
friend ostream& operator<< (ostream&, const PhoneNum&);
friend istream& operator>> (istream&, PhoneNum&);
private:
int areaCode;
int prefix;
int number;
};
18. Overloading << and >>
void main
{
PhoneNum phone;
cout << "Enter phone number like 999 325 0007" << endl;
cin >> phone;
cout << "The number is:" << phone << endl;
};
19. Assignment
• Rewrite the Time class to include overloaded operators for
insertion, extraction, and comparison (>>, <<, and ==)
class Time {
public:
Time( );
void SetTime( int, int, int);
void PrintMilitary( );
void printStandard( );
private:
int hour; // 0-23
int minute; // 0-59
int second; // 0-59
};