Stop talking about the Gang of Four. Their book was published in 1994. Software has changed. Here are 10 modern design patterns you actually need to know.
While Singleton and Factory are still useful, the challenges of distributed systems, cloud computing, and massive datasets have given rise to a new set of patterns.
→ 1. The Strangler Fig Pattern
- Incrementally migrate a legacy system by gradually replacing pieces with new applications and services.
- When to use it: Large monolithic apps that are too risky to replace all at once.
→ 2. The Sidecar Pattern
- Deploy a helper container alongside your main application container for logging, monitoring, or proxying.
- When to use it: In microservices or containerized environments (like Kubernetes) to add functionality without touching code.
Is your dream job turning into a nightmare? The code is the easy part. It's the culture that burns you out. Watch out for these 8 red flags of a toxic tech team.
No amount of free snacks or ping pong tables can make up for a toxic work environment. Here's how to spot one before it's too late.
→ 1. The Blame Game - When something goes wrong, the first question is "Who did this?" not "How do we fix it and prevent it from happening again?" - This creates a culture of fear where no one wants to take risks or admit mistakes.
→ 2. The Hero Culture - The same one or two people are always "saving the day," working late, and fixing all the problems. - This is not sustainable. It's a sign of poor planning, knowledge silos, and a team that is constantly firefighting.
→ 3. Constant Urgency - Everything is a top priority, everything is due yesterday. There's no time for planning, refactoring, or paying down technical debt. - This leads to burnout and low-quality work.
→ 4. Information Silos - Knowledge is power, and some people hoard it. It's hard to get a straight answer, and documentation is non-existent. - This makes it impossible for new team members to be effective and creates dependencies on a few key people.
→ 5. No Psychological Safety - You're afraid to ask "stupid" questions, challenge a senior developer's opinion, or propose a new idea. - Innovation dies in an environment where people are afraid to speak up.
→ 6. Meetings After Meetings - Your calendar is packed with meetings, but nothing ever seems to get decided. - This is a sign of a lack of trust and an inability to empower individuals to make decisions.
→ 7. The "That's Not My Job" Mentality - Team members are unwilling to help each other out or take on tasks that are outside of their narrow job description. - This creates a lack of ownership and a "not my problem" attitude.
→ 8. High Turnover - People are constantly leaving the team or the company. This is the biggest red flag of all. - Good people don't leave good jobs.
Have you experienced any of these? What's your advice for someone stuck in a toxic team? Share your thoughts in the comments.
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Ever feel like your code is a simple, elegant cat behind the wheel…
…until you look at the dependencies holding it all together? 🐱📦
This meme hits a little too close to home.
We often think our projects are lightweight, but every package, framework, and library adds complexity (and risk).
👉 A few reminders for all developers: - Audit dependencies regularly. - Don’t install a package for a one-liner you can write yourself. - Keep things simple where possible. Future you will thank you.
At the end of the day, the less baggage your code has, the smoother the ride 🚀
Understanding API Protocols: The Backbone of Software Communication
→ REST: An architectural style that uses stateless communication via standard HTTP methods for building networked applications. → Webhooks: A real-time notification system that uses HTTP callbacks to alert another system when a specific event occurs. → GraphQL: A query language for APIs that empowers clients to request only the data they need, optimizing data transfer. → SOAP: A protocol that allows the exchange of structured information using XML, often utilized in enterprise environments. → WebSockets: Enable full-duplex communication over a single, long-lived connection, perfect for real-time data exchange. → EDA: Event-Driven Architecture; a trend in software where events trigger system interactions without direct user input. → EDI: Electronic Data Interchange enables the electronic exchange of structured business data between organizations. → SSE: Server-Sent Events provide a simple way for a server to push notifications to clients over an HTTP connection. → AMQP: An open-standard protocol for message-oriented middleware, focusing on message routing and delivery. → MQTT: A lightweight messaging protocol designed for low-bandwidth or unreliable networks, popular in IoT applications. → gRPC: A high-performance framework that utilizes Protocol Buffers for efficient RPCs, enhancing communication speed.
Which of these API protocols have you used in your projects?
How can understanding these concepts help you in your software development journey?
Amigoscode
What is the output?
String s1 = "Hello";
String s2 = new String("Hello");
System.out.println(s1 == s2);
System.out.println(s1.equals(s2));
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1 week ago | [YT] | 63
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Amigoscode
The best code is no code at all.
It has no bugs, requires no maintenance, and is infinitely scalable. Before you write, ask if you can avoid it.
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3 weeks ago | [YT] | 208
View 4 replies
Amigoscode
Stop talking about the Gang of Four. Their book was published in 1994. Software has changed. Here are 10 modern design patterns you actually need to know.
While Singleton and Factory are still useful, the challenges of distributed systems, cloud computing, and massive datasets have given rise to a new set of patterns.
→ 1. The Strangler Fig Pattern
- Incrementally migrate a legacy system by gradually replacing pieces with new applications and services.
- When to use it: Large monolithic apps that are too risky to replace all at once.
→ 2. The Sidecar Pattern
- Deploy a helper container alongside your main application container for logging, monitoring, or proxying.
- When to use it: In microservices or containerized environments (like Kubernetes) to add functionality without touching code.
→ 3. CQRS (Command Query Responsibility Segregation)
- Separate models for reading data (queries) and writing data (commands).
- When to use it: Complex domains where read and write patterns differ significantly.
→ 4. Event Sourcing
- Store a sequence of state-changing events instead of current state. Current state is derived by replaying events.
- When to use it: When you need a full audit trail or support complex temporal queries.
→ 5. The Saga Pattern
- Manage long-running transactions in distributed systems without two-phase commit. Each transaction has a compensating transaction.
- When to use it: For managing data consistency across microservices.
→ 6. The Backends for Frontends (BFF) Pattern
- Create a separate backend service for each frontend type (web, mobile). Aggregates and formats data specifically for that frontend.
- When to use it: Multiple frontends with different UI requirements.
→ 7. The Circuit Breaker Pattern
- Monitor failures when calling a remote service. If failures exceed a threshold, trips and fails immediately without contacting the service.
- When to use it: To prevent cascading failures throughout your system.
→ 8. The Leader Election Pattern
- Elect one instance as the "leader" to perform a specific task in a distributed system with multiple instances.
- When to use it: When only one instance should perform a particular action at a time.
→ 9. The Publisher/Subscriber (Pub/Sub) Pattern
- Publishers send messages to a topic; subscribers receive messages without publishers knowing who they are.
- When to use it: To decouple services and enable asynchronous communication.
→ 10. The Throttling Pattern
- Control service consumption by limiting the rate of requests to prevent overload.
- When to use it: To protect your APIs from abuse or overload.
Which of these are you using in your projects? What other modern patterns should be on this list? Comment below!
👍🏿 Subscribe to our newsletter [ bit.ly/4on6wQt ] to stay up to date.
3 weeks ago | [YT] | 106
View 3 replies
Amigoscode
Coding is the easiest part remember.
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3 weeks ago | [YT] | 397
View 4 replies
Amigoscode
Is your dream job turning into a nightmare? The code is the easy part. It's the culture that burns you out. Watch out for these 8 red flags of a toxic tech team.
No amount of free snacks or ping pong tables can make up for a toxic work environment. Here's how to spot one before it's too late.
→ 1. The Blame Game
- When something goes wrong, the first question is "Who did this?" not "How do we fix it and prevent it from happening again?"
- This creates a culture of fear where no one wants to take risks or admit mistakes.
→ 2. The Hero Culture
- The same one or two people are always "saving the day," working late, and fixing all the problems.
- This is not sustainable. It's a sign of poor planning, knowledge silos, and a team that is constantly firefighting.
→ 3. Constant Urgency
- Everything is a top priority, everything is due yesterday. There's no time for planning, refactoring, or paying down technical debt.
- This leads to burnout and low-quality work.
→ 4. Information Silos
- Knowledge is power, and some people hoard it. It's hard to get a straight answer, and documentation is non-existent.
- This makes it impossible for new team members to be effective and creates dependencies on a few key people.
→ 5. No Psychological Safety
- You're afraid to ask "stupid" questions, challenge a senior developer's opinion, or propose a new idea.
- Innovation dies in an environment where people are afraid to speak up.
→ 6. Meetings After Meetings
- Your calendar is packed with meetings, but nothing ever seems to get decided.
- This is a sign of a lack of trust and an inability to empower individuals to make decisions.
→ 7. The "That's Not My Job" Mentality
- Team members are unwilling to help each other out or take on tasks that are outside of their narrow job description.
- This creates a lack of ownership and a "not my problem" attitude.
→ 8. High Turnover
- People are constantly leaving the team or the company. This is the biggest red flag of all.
- Good people don't leave good jobs.
Have you experienced any of these? What's your advice for someone stuck in a toxic team? Share your thoughts in the comments.
👍🏿 Subscribe to our newsletter [ bit.ly/4on6wQt ] to stay up to date.
3 weeks ago | [YT] | 113
View 12 replies
Amigoscode
Ever feel like your code is a simple, elegant cat behind the wheel…
…until you look at the dependencies holding it all together? 🐱📦
This meme hits a little too close to home.
We often think our projects are lightweight, but every package, framework, and library adds complexity (and risk).
👉 A few reminders for all developers:
- Audit dependencies regularly.
- Don’t install a package for a one-liner you can write yourself.
- Keep things simple where possible. Future you will thank you.
At the end of the day, the less baggage your code has, the smoother the ride 🚀
How do you keep dependency bloat under control?
2 months ago | [YT] | 83
View 1 reply
Amigoscode
Will AI take our jobs like Mark said?
4 months ago | [YT] | 34
View 2 replies
Amigoscode
What manages the lifecycle of Spring Beans?
4 months ago | [YT] | 130
View 4 replies
Amigoscode
1. What does it mean when we say Java is 'pass-by-value'?
5 months ago | [YT] | 88
View 4 replies
Amigoscode
Understanding API Protocols: The Backbone of Software Communication
→ REST: An architectural style that uses stateless communication via standard HTTP methods for building networked applications.
→ Webhooks: A real-time notification system that uses HTTP callbacks to alert another system when a specific event occurs.
→ GraphQL: A query language for APIs that empowers clients to request only the data they need, optimizing data transfer.
→ SOAP: A protocol that allows the exchange of structured information using XML, often utilized in enterprise environments.
→ WebSockets: Enable full-duplex communication over a single, long-lived connection, perfect for real-time data exchange.
→ EDA: Event-Driven Architecture; a trend in software where events trigger system interactions without direct user input.
→ EDI: Electronic Data Interchange enables the electronic exchange of structured business data between organizations.
→ SSE: Server-Sent Events provide a simple way for a server to push notifications to clients over an HTTP connection.
→ AMQP: An open-standard protocol for message-oriented middleware, focusing on message routing and delivery.
→ MQTT: A lightweight messaging protocol designed for low-bandwidth or unreliable networks, popular in IoT applications.
→ gRPC: A high-performance framework that utilizes Protocol Buffers for efficient RPCs, enhancing communication speed.
Which of these API protocols have you used in your projects?
How can understanding these concepts help you in your software development journey?
Image Creds Ivan Novikov
Share your thoughts in the comments!
👍🏿 Subscribe to our newsletter - amigoscode.com/
#systemdesign #coding #interviewtips
5 months ago | [YT] | 867
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