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15 Python Tips : How to Write Code Effectively

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 Here are some Python tips to keep in mind that will help you write clean, efficient, and bug-free code.     Python Tips for Effective Coding 1. Code Readability and PEP 8  Always aim for clean and readable code by following PEP 8 guidelines.  Use meaningful variable names, avoid excessively long lines (stick to 79 characters), and organize imports properly. 2. Use List Comprehensions List comprehensions are concise and often faster than regular for-loops. Example: squares = [x**2 for x in range(10)] instead of creating an empty list and appending each square value. 3. Take Advantage of Python’s Built-in Libraries  Libraries like itertools, collections, math, and datetime provide powerful functions and data structures that can simplify your code.   For example, collections.Counter can quickly count elements in a list, and itertools.chain can flatten nested lists. 4. Use enumerate Instead of Range     When you need both the index ...
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Messages in Kafka the Types and Details

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A message, also called a record, is the basic piece of data flowing through Kafka. Messages are how Kafka represents your data.


types of messages

Kafka producer Vs. consumer messages

Kafka is an intermediate server that receives a message from a producer and sends them to the consumer. Here is a set of 10 Kafka Interview Questions.

Kafka message format

Each message has a timestamp, a value, and an optional key. Custom headers can be used if desired as well. 

A simple example of a message could be something like the following: the machine with host ID “1234567” (a message key) failed with the message “Alert: Machine Failed” (a message value) at “2020-10-02T10:34:11.654Z” (a message timestamp). Here is Kafka's flowchart for dummies.


Kafka message format
Kafka record

The above image shows probably the most important and common parts of a message that users deal with directly.

Each key and value can interact in its own specific ways to serialize or deserialize its data.

Now that we have a record, how do we let Kafka know about it? You will deliver this message to Kafka by sending it to what is known as brokers.

References

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