@rishabh157

The Site Reliability Workbook

Nov 14, 2025 · 3 min read · 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...

Leetcode 150

Apr 18, 2025 · 3 min read · 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...

Striver 79

Aug 24, 2024 · 3 min read · 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[...

Helpful Tips and Shortcuts for Cracking the CKA Exam

Jul 14, 2024 · 2 min read · 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...

vim commands every engineer should know

Mar 3, 2024 · 1 min read · 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...