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Buy @ Amazon

Securing Microservices in the Cloud

on July 02, 2019

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Should I buy refurbished laptop from Amazon?

This post is based on my experience with amazon.in and guess it to be true on all other platforms as well. At least you can check out and verify for these pointers before you make that decision to buy renewed/refurbished laptop on Amazon with your hard earned money. I see this question propping up in several forums and on many different occasions. In the recent past, I had my 5 year old dell laptop that gave up because its motherboard failed. One of the options that I had in my mind was to re-use the HDD and the 16GB DDR4 RAM of that old laptop in the one that I purchase next as secondary. I had come to a conclusion that it is not worth buying a refurbished/renewed laptop at all. Why? For the following reasons, most of which I see as BIG #RedFlags: You got to remember that Amazon provides a platform for 3rd party sellers to sell their products as well. So in your search for refurbished laptops you wouldn’t want to choose some random 3rd party seller who Amazon doesn’t endorse. You...

Clustered Vs Non-Clustered Index In SQL Server

The comparison table below should be a quick refresher to those DB Specialists attending technical interviews or ones wanting to take a decision of whether or not to create an index for a table in the live server. Clustered Index Non-Clustered Index Helps you to store Data and index together. Stores the data at one location and indices at another location. Non-clustered Index store key values only and has Pointers to Index rows (for Clustered table) or RID (for Heap/Non-Clustered table). Stores data pages in the leaf nodes of the index. Never stores data pages in the leaf nodes of the index. You can sort the records and store clustered index physically in memory as per the order. A non-clustered index helps you to creates a logical order for data rows and uses pointers for physical data files. Doesn’t require additional disk space Require additional disk space to store the index ...

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Android Activity's onDestroy() Ain't Your Reliable Friend

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Multi-tenant Architectures

Multi-tenancy Application Deployment Architecture could be modeled in 4 broad ways: Separate Apps & Separate Databases Shared Apps & Shared Databases Separate Apps & Shared Databases Shared Apps & Separate Databases There is no right or wrong here. It's about choice and consequence that you should consider taking into your business context and constraints. In this post I intend to jot down a some key points to keep in mind for each of these multi-tenant architecture. These are more of quick notes for my quick reference, a cheat-sheet of sorts when I have to make choices. And I guess this can come handy to you too in your wise decision making. Separate Apps & Separate Databases Easiest to implement from development and deployment stand-point. Just automate the deployment infrastructure for every tenant for quick set-up. Most expensive of all the models from infrastructure cost stand-point. Relatively longer deployment t...

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