Techy Chalkboard in Bits and Pieces
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Azure Blob Storage Tiers Explained: Hot, Cool, Cold, Archive, and Premium
Azure Blob Storage offers multiple storage tiers that allow you to store data in a cost-effective way based on how frequently the data is accessed and how quickly it needs to be retrieved. Choosing the right tier helps balance performance, availability, and cost. Azure Storage Performance Tiers Azure Blob Storage provides two performance tiers: Premium…
Azure Blob Storage: Block, Append, and Page Blobs Explained
Azure Blob Storage provides three types of blobs designed for different workloads: Block Blobs, Append Blobs, and Page Blobs. Each blob type is optimized for specific data access patterns and storage requirements. Block Blobs Block blobs are designed for efficient upload and storage of large amounts of unstructured data such as documents, images, videos, and…
Types of Telecommunications Networks Explained
Telecommunications networks enable communication over distances by connecting devices and systems. Based on coverage and purpose, they are classified into different types. 1. Public Switched Telephone Network (PSTN) Traditional network for voice communication Uses circuit switching Mainly supports landline calls Managed by telecom providers 2. Local Area Network (LAN) Covers small areas like homes or…
Git Force Push: Do’s & Don’ts (Quick Guide)
Force push (git push –force) overwrites the remote branch to match your local branch, even if it rewrites commit history. ✅ Do Prefer –force-with-lease (safer than –force): git fetch origin git push –force-with-lease origin my-branch Force-push only your feature branches (e.g., feature/*, bugfix/*). Create a backup branch/tag first (easy rollback): git fetch origin git branch…
Azure DevOps Directory Variables
Azure DevOps pipelines provide predefined variables to reference paths, workspaces, and directories consistently. Here’s a simplified two-column version for better mobile responsiveness: Variable Description & Example Paths $(Build.SourcesDirectory) Sources folder where repository code is checked out. Linux: /home/vsts/work/1/s Windows: C:\agent\_work\1\s $(Build.ArtifactStagingDirectory) Folder used for staging build artifacts before publishing. Linux: /home/vsts/work/1/a Windows: C:\agent\_work\1\a $(Build.BinariesDirectory) Folder…
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Techy Chalkboard in bits and pieces 
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