@rishabh157

Rishabh Srivastava

@rishabh157IndiaJoined December 2023

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Rishabh Srivastava's blogs

Rishabh Srivastava's blogrishabh157.hashnode.dev9 posts

The Site Reliability Workbook

The shift from software delivered on physical media to software delivered as a service forced an evolution of tools and processes CALMS for Culture, Automation, Lean continuous improvement, Metrics, and Sharing DevOps is a loose set of practices, gui...

Nov 14, 2025 · 3 min readrishabh157.hashnode.dev

Leetcode 150

Same Tree Brute def preorder(self, node, result): if not node: result.append(None) return result.append(node.val) self.preorder(node.left, result) self.preorder(node.right, result) def isSameT...

Apr 18, 2025 · 3 min readrishabh157.hashnode.dev

Striver 79

Next Permutation def nextPermutation(self, nums: List[int]) -> None: """ Do not return anything, modify nums in-place instead. """ ind = -1 n = len(nums) for i in range(n-2,-1,-1): if nums[...

Aug 24, 2024 · 3 min readrishabh157.hashnode.dev

Helpful Tips and Shortcuts for Cracking the CKA Exam

CKA Exam Information and Preparation Resources Exam Structure: The exam comprises 17 practical CKA questions to be completed within 2 hours. A passing score is 66, and you are allowed 2 retakes. Course Purchase Benefits: When you purchase the co...

Jul 14, 2024 · 2 min readrishabh157.hashnode.dev

vim commands every engineer should know

dd -> delete the current line dl -> delete letter dw -> delete words dG -> jump to end of file yy -> copy the current line p -> used to paste content % -> iterate through open and closing brackets u -> undo a change /[word] -> Search a word a...

Mar 3, 2024 · 1 min readrishabh157.hashnode.dev

Rishabh Srivastava

About

Available for

Rishabh Srivastava's blogs

The Site Reliability Workbook

Leetcode 150

Striver 79

Helpful Tips and Shortcuts for Cracking the CKA Exam

vim commands every engineer should know

Search Hashnode

Rishabh Srivastava

About

Available for

Rishabh Srivastava's blogs

The Site Reliability Workbook

Leetcode 150

Striver 79

Helpful Tips and Shortcuts for Cracking the CKA Exam

vim commands every engineer should know