j-thepac

Clean Code by Robert C. Martin - Chapter Summaries

Chapter 1: Clean Code

• Clean code is simple and elegant - reads like well-written prose
• Clean code is focused - each function, class, and module has a single responsibility
• Clean code is written by someone who cares - attention to detail is evident
• Clean code can be read and enhanced by others - not just the original author
• Clean code has meaningful names - variables, functions, and classes have intention-revealing names
• Clean code has no duplication - follows the DRY principle
• Clean code runs all tests - is thoroughly tested and works correctly

j-thepac

/* Performance */


-- Do analysis using below queries
-- Also SQL logs in UI
  - Open Azure Portal Homepage
  - Search for Dedicated SQL pool
  - Click on the Dedicated SQL Pool > Monitoring > metrice > filter DWU used - note down time
  - Goto Query Activity and corelaetd the query executed in the above time 
 

j-thepac

TerraForm

1. Create "n" nos of clould apps ,Online Apps , Link and Configure
2. InfraStructure as Code (IAC)

Files Structure :

Pre-Req :

• main.tf - Main File
• dependencies.tf (depends_on) - Pre-Req
• required_providers.tf - Download Interface communicate to target

j-thepac

class Node:
    def __init__(self, value):
        self.value = value
        self.left = None
        self.right = None

    def BFS(self,root):
        if root is None: return
        queue = [root]
        while queue:

j-thepac

'''
Excercise for Async Multithreaded vs Normal
Problem : 
    1. To call 2 api 
    2. Get the response 
    3. Convert the response data into pandas Dataframe


RUN 1 :
Time take by Async multithreaded = 0.4613368511199951

j-thepac

Kubernetes with Prometheus and Grafane

• Helm Chart : Package installer for kubernetes

• Prometheus: Open-source monitoring and alerting toolkit ( A Prometheus deployment needs dedicated storage space to store scraping data)

• Grafana : visualization, and observability in Prometheus

1. Pre-Req

minikube start 		# minikube start --memory='12g' --cpus='4' -n 3

j-thepac

'''

threading
    1. No return
    2. Can run seperatr function
concurrent.futures
    1. Return
    2. Only run 1 Function in 1 map
'''

j-thepac

'''
Calling Normal Function using Async Functions
    1. to_thread
    2. gather+to_thread
Calling ASync Function using Async Functions
    1. No need of to_thread
    2. only gather


'''

j-thepac

'''
find max_duration, avg_duration for each CPID using Duration , round numbers to 2 deciaml places 

ChargingEvent	CPID	StartDate	StartTime	EndDate	EndTime	Energy	PluginDuration
16673806	AN11719	31/12/17	14:46:00	31/12/17	18:00:00	2.4	3.2333333333333334
16670986	AN01706	31/12/17	11:25:00	31/12/17	13:14:00	6.1	1.8166666666666667
3174961	AN18584	31/12/17	11:26:11	01/01/18	12:54:11	24	25.466666666666665
16674334	AN00812	31/12/17	15:18:00	01/01/18	14:06:00	6.7	22.8
3176831	AN24139	31/12/17	18:25:18	01/01/18	13:09:18	6.1	18.733333333333334
16673920	AN03984	31/12/17	14:54:00	31/12/17	19:19:00	5.6	4.416666666666667

j-thepac

/*
id,name,salary,boss
10,k,1500,50
50,H,3000,10
10,J,4500,20
20,K,10000,NULL
70,J,1500,10
60,Oliver,2000,70
30,L,1501,50