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by "McKinsey Week in Charts" <publishing@email.mckinsey.com> - 03:14 - 12 Apr 2025 -
EP158: How to Learn API Development
EP158: How to Learn API Development
Learning how to develop APIs is an important skill for modern-day developers.͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ Forwarded this email? Subscribe here for moreIntroducing Augment Agent: an AI Agent for pro software engineers (Sponsored)
Augment Code is the first AI coding Assistant built for professional software engineers, large codebases, and production-grade projects.
Now they're excited to unveil Augment Agent, a powerful new mode for Augment Code that can help you complete software development tasks end-to-end. Agent can:
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Queue up tests in the terminal
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Start a new branch in GitHub from recent commits
...and all kinds of other things. Skip the toy AI coding projects and build something real -- Augment Agent is
standing by to help.This week’s system design refresher:
How to Learn API Development?
Must-Know Network Protocol Dependencies
Top AI Coding Tools for Developers You Can Use in 2025
18 Key Design Patterns Every Developer Should Know
Hiring 🚀: ByteByteGo’s First Sales & Partnerships Hire
SPONSOR US
How to Learn API Development?
Learning how to develop APIs is an important skill for modern-day developers. Here’s a mind map of what all you need to learn about API development:
API Fundamentals
What is an API, types of API (REST, SOAP, GraphQL, gRPC, etc.), and API vs SDK.API Request/Response
HTTP Methods, Response Codes, and Headers.Authentication and Security
Authentication mechanisms (JWT, OAuth 2, API Keys, Basic Auth) and security strategies.API Design and Development
RESTful API principles include stateless, resource-based URL, versioning, and pagination. Also, API documentation tools like OpenAPI, Postman, Swagger.API Testing
Tools for testing APIs such as Postman, cURL, SoapUI, and so on.API Deployment and Integration
Consuming APIs in different languages like JS, Python, and Java. Also, working with 3rd party APIs like the Google Maps API and the Stripe API. Learn about API Gateways like AWS, Kong, Apigee.
Over to you: What else will you add to the list for learning API development?
Must-Know Network Protocol Dependencies
Understanding network protocol dependencies is essential for cybersecurity and networking. Here’s a quick understanding of the same:
IPv4 and IPv6 are the foundation of all networking. ICMP and ICMPv6 handle diagnostics, while IPsec ensures secure communication.
TCP and UDP support various protocols. SCTP and DCCP serve specific cases.
Some TCP-based protocols are HTTP, SSH, BGP, RDP, IMAP, SMTP, POP, etc.
UDP-based protocols are DNS, DHCP, SIP, RTP, NTP, etc.
SSL/TLS encrypts HTTPS, IMAPS, and SMTPS.
LDAP and LDAPs are used for directory services over TCP and secured with SSL/TLS.
QUIC is a UDP-based replacement for TCP+TLS for faster, encrypted connections.
MCP or Model Context Protocol is an emerging standard for communicating with LLMs.
Over to you: Which other network protocol will you add to the list?
Top AI Coding Tools for Developers You Can Use in 2025
AI Code Assistants
GitHub Copilot: Code completion and automatic programming tool.
ChatGPT: Helps write and debug code with the latest models.
Claude: Recent and specialized coding knowledge to generate accurate and up-to-date code.
Amazon CodeWhisperer: AI Assistant in the IDEAI-Powered IDEs
Cursor: AI-powered IDE for Windows, macOS, and Linux.
Windsurf: AI-powered IDE that tackles complex tasks independently.
Replit: Create fully working apps to go live fast.Team Productivity
Cody: The enterprise AI code assistant for writing, fixing, and maintaining code.
Pieces: AI-enabled productivity tool to help developers manage code snippets.
Visual Copilot: Convert Figma designs into React, Vue, Svelte, Angular, or HTML code.Code Quality and Completion
Snyk: Real-time vulnerability scanning of human and AI-generated code.
Tabnine: A code completion tool to accelerate software development.
Over to you: Which other AI Coding Tool will you add to the list? What’s your favorite?
18 Key Design Patterns Every Developer Should Know
Patterns are reusable solutions to common design problems, resulting in a smoother, more efficient development process. They serve as blueprints for building better software structures. These are some of the most popular patterns:
Abstract Factory: Family Creator - Makes groups of related items.
Builder: Lego Master - Builds objects step by step, keeping creation and appearance
Prototype: Clone Maker - Creates copies of fully prepared examples.
Singleton: One and Only - A special class with just one instance.
Adapter: Universal Plug - Connects things with different interfaces.
Bridge: Function Connector - Links how an object works to what it does.
Composite: Tree Builder - Forms tree-like structures of simple and complex parts.
Decorator: Customizer - Adds features to objects without changing their core.
Facade: One-Stop-Shop - Represents a whole system with a single, simplified interface.
Flyweight: Space Saver - Shares small, reusable items efficiently.
Proxy: Stand-In Actor - Represents another object, controlling access or actions.
Chain of Responsibility: Request Relay - Passes a request through a chain of objects until handled.
Command: Task Wrapper - Turns a request into an object, ready for action.
Iterator: Collection Explorer - Accesses elements in a collection one by one.
Mediator: Communication Hub - Simplifies interactions between different classes.
Memento: Time Capsule - Captures and restores an object's state.
Observer: News Broadcaster - Notifies classes about changes in other objects.
Visitor: Skillful Guest - Adds new operations to a class without altering it.
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What We’re Looking For
- 1+ years of experience in sales, partnerships, or media sponsorships—ideally in tech or newsletter media
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- Bonus: you’re already a fan of ByteByteGo and get our voice and audience
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How to Apply
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by "ByteByteGo" <bytebytego@substack.com> - 11:37 - 12 Apr 2025 -
Last chance to join the “new & improved” OFA!
We start on Monday, and you can’t be late!Russell kicks off the new One Funnel Away Challenge MONDAY morning!! If you haven’t joined yet… This is your last chance.
I’d recommend you sign up now so you have a little time to orient yourself and prepare to hit the ground running on Day 1.
You’ll be drinking from a fire hose… So, get registered and prepped now!
Expert Or Ecom - Which OFA Track Is Right For You? (Starts Next Monday) >>
They’ve got 30 days of step-by-step coaching lined up…
And whether you pick TEAM RUSSELL… or TEAM TREY…
You can’t go wrong!! This new and improved OFA is going to change your life. I can feel it!
Register now and don’t wait!!!
We’re starting first thing on Monday morning!
Expert Or Ecom - Which OFA Track Is Right For You? (Starts Next Monday) >>
See you in OFA!Todd Dickerson
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by "Todd Dickerson" <noreply@clickfunnelsnotifications.com> - 11:32 - 12 Apr 2025 -
Una vía de crecimiento para las empresas de movilidad
Además, oportunidades para proveedores de vivienda para personas mayores
by "Destacados de McKinsey" <publishing@email.mckinsey.com> - 08:43 - 12 Apr 2025 -
2024 New Collection Aluminum Window and Door -China Oneplus
Hello,Sir or Madam,
Good day.
This is Coco from Foshan Oneplus Windows and Doors Co., Ltd, which is a leading aluminum manufacturer in China providing super aluminum products such as windows & doors, Sunroom, handrails, and windows walls, etc.
You can contact me by WhatsApp at 86 13430211600. Or Email oneplusaluminum@outlook.com1、Are you interested in aluminum windows and doors? If so,you can send us the dimensions or drawings so that we can give you a competitive price.
2、Our products have NFRC and other certificates to meet energy efficiency requirements.
3、Could I add your Whatsapp number? It's easier to communicate that way.Or you can visit our website for more detailed information: Our
Website: www.onepluswindows.com
Showroom: https://oneplusaluminum.en.made-in-china.com/It would be much appreciated if you could spend a few minutes to have a look at this email, attachments, and our website.
Oneplus has more than ten years of experience in exporting casement windows, doors, and Sunroom all over the world, and America/Europe/Australia is one of our main markets.
We focus on the door and window industry for professional high-end customized services.
Our products for the USA and Australia markets comply with complete certificated procedures such as CE, and NFRC, and meet the highest national inspection standards.Oneplus owns its brand "KINTE ALUMINUM D&W"-Smart Window &Doors, You can visit our website link below for more detailed information and we wish to build up a business relationship with you.
Delivery Lead Time:30-35Days
Payment Term: EXW /FOB
Looking forward to your kind reply.Thank you!
-----------------------------------------
Best Regards!
Coco Chan
Sales ManagerMob& WhatsApp: +86 13430211600
Website: https://oneplusaluminum.en.made-in-china.com/
Foshan Oneplus Windows and Doors Co., Ltd.
Tel: +86-757 8562 8529 Fax: +86-757 2362 1068
No. 3, Xingye Road, Ganglian Industrial Zone, Lishui Town, Nanhai District, Foshan, Guangdong, China (Post Code 528000)
by "Yaque Lopezaguilar" <lopezaguilaryaque@gmail.com> - 04:02 - 12 Apr 2025 -
Providing high-quality waterproof and breathable membranes to meet packaging and electronic needs
Dear info,
Hello! Our company focuses on the production and development of waterproof and breathable membranes, which are widely used in packaging, electronic equipment, medical devices and the automotive industry. Our products have excellent waterproof performance while maintaining breathability, effectively extending the service life of the product and improving user experience.
We promise that all waterproof and breathable membranes are strictly quality controlled and meet industry standards. If your company has relevant needs or is interested in further product information, please feel free to contact us. We look forward to providing you with the best solution.
Looking forward to working with you!
Sincerely,
Alex
whatapp:15851072826
Company website: www.zzpip.com
by "Rosanna Suhaim" <suhaimrosanna@gmail.com> - 06:25 - 11 Apr 2025 -
Button certification, quality-assured ceramic product supplier
Hello info,
Good day!
The purpose of sending you an email is to draw your attention to our company. We are a ceramic manufacturer from China, Linyi Guangfa Porcelain Co., Ltd. Our company has been supplying domestic and foreign trade companies since its establishment.Now we think that the advantages of taking foreign orders independently are:
1. The delivery time is guaranteed, and we will give priority to producing our own orders.
2. Our factory has obtained Walmart, BSCI, SEDEX certification.
3. Quality assurance: We can provide you with the best quality to optimize your company's reputation and increase your company's sales.
Your response is very important to us, so please don't ignore us. I browsed your website and found that we can offer you an 18 piece dinner set at the best price and quality. Attached is our quotation, which is very competitive.We look forward to your valuable suggestions and feedback.
Thanks and beste regardsLinyi Guangfa Porcelain Co., Ltd
by "Bxjisie bb Bxjxjhc" <3749781@gmail.com> - 03:06 - 11 Apr 2025 -
RE: 2025 World Procurement Congress
Hi - How are you?
Did you happen to review my previous email?
Please pick the number that describes your response:
1. Interested to see number of counts and pricing details
2. Leave out
Regards,
Raquel Murillo
From: Raquel Murillo
Sent: 10 April 2025
To: info@learn.odoo.com
Subject: 2025 World Procurement Congress
Importance: High
Sensitivity: PersonalDear Exhibitors & Sponsors,
World Procurement Congress 2025, Pre-registered Attendee list is now available to facilitate your pre-event marketing activities.
Kindly pick your response from the below option 1 / 2:
1. Yes, Interested - Send me pricing & other data information.
2. OPT-OUT
Regards,
Raquel Murillo
Manager, Event Communication & Planning
World Procurement Congress
by "Raquel Murillo" <raquel_murillo@mapyourshowz.com> - 06:26 - 11 Apr 2025 -
How companies are using gen AI to strengthen sales
On McKinsey Perspectives
7 use cases Brought to you by Alex Panas, global leader of industries, & Axel Karlsson, global leader of functional practices and growth platforms
Welcome to the latest edition of Only McKinsey Perspectives. We hope you find our insights useful. Let us know what you think at Alex_Panas@McKinsey.com and Axel_Karlsson@McKinsey.com.
—Alex and Axel
•
Accelerating sales. With gen AI’s capacity to boost revenue, increase sales productivity, and streamline processes, B2B leaders are increasingly looking to the technology to drive significant and profitable growth, McKinsey Partners Alexander Dierks and Richelle Deveau and their coauthors explain. In McKinsey’s latest B2B Pulse Survey of B2B decision-makers,19% of respondents reported that they were already implementing gen AI use cases for B2B buying and selling, while another 23% said they were in the process of doing so.
—Edited by Belinda Yu, editor, Atlanta
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Copyright © 2025 | McKinsey & Company, 3 World Trade Center, 175 Greenwich Street, New York, NY 10007
by "Only McKinsey Perspectives" <publishing@email.mckinsey.com> - 01:06 - 11 Apr 2025 -
MASTERING THE ART OF CUSTOMER CONFLICT: TURNING CHALLENGES INTO OPPORTUNITIES (9 & 10 JULY 2025)
Please call 012-588 2728
email to pearl-otc@outlook.com
HYBRID PUBLIC PROGRAM
MASTERING THE ART OF CUSTOMER CONFLICT:
TURNING CHALLENGES INTO OPPORTUNITIES
(** Choose either Zoom OR Physical Session)
Remote Online Training (Via Zoom) &
Wyndham Grand Bangsar Kuala Lumpur Hotel (Physical)
(SBL Khas / HRD Corp Claimable Course)
Date : 9 July 2025 (Wed) | 9am – 5pm By Angeline
10 July 2025 (Thu) | 9am – 5pm . .
OVERVIEW
This 2-days training on "How to Handle Difficult Customers" is designed to equip participants with the skills to effectively manage challenging customer interactions, whether via phone or face-to-face, with external customers like dealers or end users. Day 1 focuses on understanding customer behavior, mastering communication techniques, de-escalating tense situations, and implementing a structured complaint management process. Participants will also learn how to handle complaints over the phone with professionalism and empathy. Day 2 builds on these foundations by introducing advanced conflict resolution skills, strategies for managing difficult in-person scenarios, stress management techniques, and approaches to turn complaints into opportunities for business improvement. Through role-playing, case studies, and practical exercises, participants will develop the confidence and resilience needed to handle even the most difficult customer interactions successfully.
LEARNING OUTCOMES
· Identify and Categorize Difficult Customer Behaviors
Participants will be able to recognize different types of difficult customers (angry, passive, demanding, etc.) and understand the common triggers for their dissatisfaction.
· Develop Effective Communication Skills
Participants will learn techniques for active listening, using positive language, and maintaining a professional tone during challenging interactions.
· Apply De-escalation Techniques
Participants will practice strategies to calm angry customers, reduce tension, and build rapport to create a more cooperative atmosphere.
· Follow a Structured Complaint Management Process
Participants will be able to efficiently gather information, ask probing questions, and document complaints accurately to facilitate timely resolution.
· Demonstrate Proficiency in Handling Verbal Complaints
Participants will master the skills needed to manage phone and face-to-face complaints professionally, even in emotionally charged situations.
· Employ Advanced Conflict Resolution and Problem-Solving Skills
Participants will learn how to identify the root causes of complaints, offer suitable alternatives, and resolve complex issues effectively.
· Build Emotional Resilience and Stress Management Skills
Participants will gain tools to handle the stress associated with dealing with difficult customers and learn how to maintain a positive mindset.
· Turn Customer Complaints into Opportunities for Improvement
Participants will be able to use customer feedback to identify areas for improvement, enhance customer satisfaction, and strengthen relationships with customers.
METHODOLOGY
· Quizzes. For long, complicated training, stop periodically to administer brief quizzes on information presented to that point. Begin sessions with a prequiz and let participants know there will also be a follow-up quiz. Trainees will stay engaged in order to improve their prequiz scores on the final quiz. Further this will motivate participants by offering awards to the highest scorers or the most improved scores.
· Small group discussions. Break the participants down into small groups and give them case studies or work situations to discuss or solve. This is a good way for knowledgeable veteran employees to pass on their experience to newer employees.
· Case studies. Adults tend to bring a problem-oriented way of thinking to workplace training. Case studies are an excellent way to capitalize on this type of adult learning. By analyzing real job-related situations, employees can learn how to handle similar situations. They can also see how various elements of a job work together to create problems as well as solutions.
· Active summaries. Create small groups and have them choose a leader. Ask them to summarize the lecture’s major points and have each team leader present the summaries to the class. Read aloud a prewritten summary and compare this with participants’ impressions.
· Q & A sessions. Informal question-and-answer sessions are most effective with small groups and for updating skills rather than teaching new skills. For example, some changes in departmental procedure might easily be handled by a short explanation by the supervisor, followed by a question-and-answer period and a discussion period.
· Question cards. During the lecture, ask participants to write questions on the subject matter. Collect them and conduct a quiz/review session.
· Role-playing. By assuming roles and acting out situations that might occur in the workplace, employees learn how to handle various situations before they face them on the job. Role-playing is an excellent training technique for many interpersonal skills, such as customer service, interviewing, and supervising.
· Participant control. Create a subject menu of what will be covered. Ask participants to review it and pick items they want to know more about. Call on a participant to identify his or her choice. Cover that topic and move on to the next participant.
· Demonstrations. Demonstrate the steps being taught or the processes being adopted.
· Other activities.
o Create a personal action plan
o Paraphrase important or complex points in the lecture
DURATION
2 Days (9.00am – 5.00pm)
OUTLINE OF WORKSHOP
Day 1: 9.00am - 5.00pm
Module 1: Understanding the Difficult Customer
· Identifying different types of difficult customers (angry, passive, demanding, etc.)
· Common triggers that cause customer dissatisfaction
· The importance of emotional intelligence in customer interactions
Module 2: Effective Communication Techniques
· Active listening skills: How to truly hear the customer
· Tone of voice and language: Using positive and neutral phrases
· Avoiding defensive or confrontational responses
Module 3: De-escalating Emotional Situations
· Techniques to calm down an angry customer
· Building rapport to reduce tension
· Apologizing effectively without admitting fault (when applicable)
Module 4: Complaint Management Process
· Gathering information from customers efficiently
· Asking the right probing questions to understand the issue
· Documenting complaints accurately for resolution tracking
Module 5: Resolving Complaints Over the Phone
· Structuring a phone conversation for complaint resolution
o Greeting, listening, offering solutions, and closing
· Handling verbal abuse or inappropriate language professionally
· Following up with customers to ensure satisfaction
Day 2: 9.00am - 5.00pm
Module 1: Advanced Conflict Resolution Skills
· Identifying the root cause of recurring complaints
· Problem-solving techniques for resolving complex issues
· How to offer alternatives without frustrating the customer
Module 2: Managing Difficult Situations in Person
· Reading non-verbal cues during face-to-face interactions
· Using empathy and acknowledgment to ease complaints
· Handling public complaints or group situations diplomatically
Module 3: Building Resilience in Challenging Scenarios
· Stress management for customer-facing roles
· Turning negative interactions into learning opportunities
· Recognizing when to involve a supervisor or escalate the issue
Module 4: Turning Complaints into Opportunities
· Using feedback from complaints to improve products/services
· Training customers to use products/services effectively
· Creating positive customer experiences post-resolution
** Certificate of attendance will be awarded for those who completed the course
ABOUT THE FACILITATOR
DR. ANGELINE
PHD in Behavioural Economics | NUS
Bachelor of Software Engineering (Hons), University of Staffordshire
Certified Ethical Hacker (CEH)
Computer Hacking Forensic Investigator (CHFI)
HRD Corp certified
Dr. Angeline is a highly respected international speaker, entrepreneur, and sales leader specializing in the complex business-to-business (B2B) sale sharing her fresh sales strategies, she helps salespeople to speed up new customer acquisition and win bigger contracts. Her clients include numerous GLC and MNC firms. She is also a founder and managing partner of four businesses in multiple industries.
Throughout her career, Angeline has helped people in a wide variety of industries and markets think through and overcome their biggest business challenges. Her greatest strength is in getting others to build consensus around what must change, and identify the resources within themselves that will drive positive results through sales strategies, Angeline is a trust builder who focuses on leading transformational conversations, those that create and sustain relationships of value. She is a natural mentor who brings the business acumen, situational knowledge, and experience to each engagement, and lays a solid foundation for future growth.
Thought Leader
As a business-to-business sales expert, Angeline’s ideas and insights are ubiquitous in multiple forums, conferences, training and consultancy both on and offline.
Widely read. Angeline’s newsletters are read by 100,000+ sellers worldwide.
(SBL Khas / HRD Corp Claimable Course)
TRAINING FEE
14 hours Remote Online Training (Via Zoom)
RM 1,296.00/pax (excluded 8% SST)
2 days Face-to-Face Training (Physical Training at Hotel)
RM 1,900.00/pax (excluded 8% SST)
Group Registration: Register 3 participants from the same organization, the 4th participant is FREE.
(Buy 3 Get 1 Free) if Register before 30 Jun 2025. Please act fast to grab your favourite training program!We hope you find it informative and interesting and we look forward to seeing you soon.
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by "pearl@otcmsb.com.my" <pearl@otcmsb.com.my> - 07:43 - 10 Apr 2025 -
Street Light and Solar System Products from Autex
Hi info,
I’m very glad to write to you! This is fliy from Autex. From the internet, we know that your company has business in street light and solar system. We’re a manufactuer of the two lines in China
We have been in this field for many years with rich experience in international projects and export, good quality abd professional R&D team.
If you are interested in our products, please kindly return this email. If you need the price to compare with your partners.
Always here to assist you.Yours sincerely
by "fliy" <fliy@autexsolartechltd.com> - 04:50 - 10 Apr 2025 -
They turned OFA on its head! You gotta see this!
And Russell made a small bet with Trey…Hoping you got my email on Tuesday… Something BIG is coming!
Russell is serious about this because apparently he and Trey have a friendly little competition (...and possibly wager) going on with this OFA!
They want to see who’s team can earn the most $$$ in 30 days! Haha!!
So, who’s team will you be on?
Expert Or Ecom - Which OFA Track Is Right For You? (Starts Next Monday) >>
Maybe it’s because he burned OFA down and built it again from the ground up…
Or maybe it’s their friendly little competition…
But I’ve never seen him dialed in like this to help Funnel Hackers…
They completely revamped the One Funnel Away Challenge, and Russell and Trey are going all in for the students that pick “their” path!
What that means is… You’re not only getting incredible content, strategies, and funnels… You’re going to get the absolute best training and coaching possible with this “new” OFA format!
Russell is kicking it off Monday! Yea… That’s just a few days away!
If you haven’t signed up yet, do yourself a favor and SIGN UP NOW!
(And don’t forget… It’s 100% FREE this time!)
Expert Or Ecom - Which OFA Track Is Right For You? (Starts Next Monday) >>
With this new OFA that Russell created… The possibilities are limitless for you!
Imagine where you could be 30 days from now if you really buckle down on this and try.
Be honest… A lot of us “say” we’re trying… But have you really been trying? What would happen if you really, truly TRIED for 30 days??
Like… went 110% for 30 days… What would happen?
Now’s your chance!
Expert Or Ecom - Which OFA Track Is Right For You? (Starts Next Monday) >>
Hope to see you there!
Todd Dickerson
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by "Todd Dickerson" <noreply@clickfunnelsnotifications.com> - 01:58 - 10 Apr 2025 -
OOP Design Patterns and Anti-Patterns: What Works and What Fails
OOP Design Patterns and Anti-Patterns: What Works and What Fails
Writing clean, maintainable, and scalable code sounds easy as a requirement, but is a constant challenge when developing real-world applications.͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ Forwarded this email? Subscribe here for moreLatest articles
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Writing clean, maintainable, and scalable code sounds easy as a requirement, but is a constant challenge when developing real-world applications.
As projects grow, the task becomes more complex. One way to simplify it is by identifying recurring design problems, which can be solved using appropriate design patterns.
Design patterns are proven, reusable solutions to common software design problems. They provide best practices and structured approaches for solving recurring challenges. These patterns are not concrete implementations but templates or guidelines that can be adapted to specific use cases.
But what makes design patterns important? Here are a few basic reasons:
Patterns often encourage modular and reusable code.
Well-structured designs make the codebase easier to understand, modify, and extend.
Patterns allow new features to be added without major rewrites.
Design patterns provide a common vocabulary for discussing software architecture, improving collaboration among developers.
However, anti-patterns also exist. They are often bad practices that lead to unmaintainable, inefficient, and overly complex code.
From a developer’s perspective, understanding both design patterns and anti-patterns is essential for writing high-quality software. Knowing design patterns helps developers apply the right solutions to common problems while recognizing anti-patterns allows them to avoid common mistakes that lead to bad architecture.
In this article, we’ll first look at the most popular OOP Design Patterns. Then, we will also investigate the common anti-patterns that should be avoided.
Popular OOP Design Patterns...
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How women can succeed at work
On McKinsey Perspectives
3 smart career moves Brought to you by Alex Panas, global leader of industries, & Axel Karlsson, global leader of functional practices and growth platforms
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—Alex and Axel
•
Fewer advancement opportunities. If career advancement were a ladder, many women find that the first rung is broken. That’s what McKinsey Senior Partners Kweilin Ellingrud, Lareina Yee, and María del Mar Martínez—authors of the new book The Broken Rung—reveal in a recent episode of The McKinsey Podcast. Although about half of corporate America’s entry-level employees are women, only 81 of them are promoted to a manager role for every 100 men who are offered that same opportunity.
—Edited by Belinda Yu, editor, Atlanta
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How to get your growing business AI-ready
Learn how to launch an AI-ready CRM, unify your teams, and scale your business with greater efficiency.Learn how to launch an AI-ready CRM, unify your teams, and scale your business with greater efficiency.Build an AI-Ready CRM with Starter and Pro Suite
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Where the economic action will be
Re:think
The growth industries of tomorrow FRESH TAKES ON BIG IDEAS
ON THE ARENAS OF COMPETITION
How to identify the growth industries of tomorrow
Chris BradleyIn 2005, the top ten global companies averaged about $250 billion in market cap. They belonged to a very traditional, very old set of industries, such as oil and gas, pharmaceuticals, retailing, and banking. There was just one software company on the list: Microsoft. Today, nine of these companies are no longer on the top ten list, and the companies that replaced them are from a very different set of industries. By 2023, these firms were eight times bigger than those they replaced. Looking back, it seems that something almost magical was happening.
Research by the McKinsey Global Institute shows that these new top industries sprang from a remarkably small number of crucibles, which we call “arenas of competition.” Arenas are where the action is in the business world. Two main characteristics define them: They account for an outsize share of economic growth, and market shares of companies within them change to an outsize degree—a metric we call “dynamism.”
Using these two main criteria, we first identified 12 arenas of today, which arose between 2005 and 2020. They include industries such as consumer internet, software, semiconductors, and video and audio entertainment. These industries became epicenters of growth, largely driven by digital and silicon innovations that spurred enormous new technology races.
In that 15-year period, arenas grew their revenues at a CAGR of 10 percent, two and a half times faster than nonarenas, which grew at just 4 percent. In addition, the market caps of today’s arenas grew at a 16 percent CAGR, almost three times faster than nonarenas. Arenas also tripled their global GDP share to 9 percent, from 3 percent, in that period. They generated just 9 percent of our sample’s economic profit in 2005, but by 2019, they accounted for 49 percent.
So the differences between arenas and nonarenas are dramatic. To borrow an analogy from Harry Potter, arenas are like wizards, while normal industries are like muggles. Arenas, like wizards, operate with slightly different rules than muggles and make their own magic.
Arenas improve their capabilities by escalating investment in R&D. So if I check the six Big Tech companies today, they are spending over $400 billion a year on capital expenditures and R&D. To put that in context, the Apollo space program, in today’s dollars, was about $190 billion.“The 12 arenas of today tripled their share of GDP growth to 9 percent, from 3 percent.”
In arenas, greater spending on R&D also drives industry shakeouts and hyperscaled global structures. Arenas also earn far greater profits than other industries do, spawn a disproportionate number of global giants, and offer unusually strong opportunities for new entrants to become powerhouses.
This is where the wizardry comes in. Technology breakthroughs make possible what we call an “arena-creation potion,” which enables the escalatory mode of competition that characterizes arenas. The potion has three ingredients: a reset of the technology platform, a huge incentive to escalate investments that improve quality and often have increasing returns to scale, and the presence of a large, addressable market. The magic happens when you get these three ingredients right, leading to escalatory competition among companies that make large investments to gain both market share and higher product quality.
We used the three elements of the potion to try to peer into the future and spot arenas that could plausibly emerge between now and 2040. We identified 18, which could account for one-third of all economic growth going forward. They include AI, space, obesity drugs, and nuclear fission, to name a few.
Together, they could yield $29 trillion to $48 trillion in revenues and $2 trillion to $6 trillion in profits by 2040. Furthermore, in terms of impact on the economy, we estimate that they could grow from about 4 percent of GDP in 2022 to 10 to 16 percent by 2040. This translates to an 18 to 34 percent share of total GDP growth.
A key takeaway for business leaders and investors is that you’re either competing with an arena, attacked by an arena, or in an arena. Even though arenas are a small part of the economy, they drive so much of its growth and dynamism that their reach is felt everywhere. Amazon, for example, touches cloud, AI, and video—but also advertising and logistics.
It’s also important to bear in mind what we call the “shuffle rate,” or the churn of market share within an arena. Back in 2005, one-third of the market cap we have today consisted of tiny competitors or companies that didn’t yet exist. So arenas are places where new competitors will emerge and new players will step in. It’s like winning a gold medal. In these arenas, winning a gold medal really, really, really matters—but it’s not a gold medal for life. The Olympics come around every four years, and companies have to keep earning that gold medal. It’s that incessant competition that drives the rate of innovation.ABOUT THIS AUTHOR
Chris Bradley is a director of the McKinsey Global Institute and a senior partner in McKinsey’s Sydney office.
MORE FROM THIS AUTHOR
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Leaders who want their companies to grow profitably should not just optimize their core business but also explore adjacencies and new ventures. Success requires courage and long-term investment.
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by "McKinsey Quarterly" <publishing@email.mckinsey.com> - 01:06 - 9 Apr 2025 -
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