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How to do a left outer join in Linq

How to do a left outer join in Linq using groupJoin.

MongoDB Sort : how to fix maximum RAM exceeded error

Learn how to fix the "Sort operation used more than the maximum 33554432 bytes of RAM" error when sorting a MongoDB collection.

MongoDB: how to filter a field containing a string

Learn how to build LIKE queries in MongoDB using regular expressions.

Kali Linux

Installing Kali, an specific purpose Linux distribution based on Debian and oriented to security and pen testing.

MongoDB: export a collection to mutiple files

Quick guide to exporting a MongoDD collection into multiple files.

MongoDB: how to filter by multiple fields

Learn how to filter by multiple fields in MongoDB, and how to use basic operator with this MongoDB guide for SQL users.

How to fix: Cross origin requests are only supported for protocol schemes

How to fix this CORS policy error message: Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https

Implementing IEnumerable and IEnumerator in C#

Quick guide to implementing IEnumerable and IEnumerator on your custom data structures.

How To implement a Stack in C#

Previously we have seen how we can implement Stack and Queues in JavaScript: it was , in my opinion, a nice exercise to illustrate how the different JavaScript functions to add an remove items of an array work, and how... Continue Reading →

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