Code Source : https://github.com/BrandonJoffe/home_surveillance
Smart security is the future, and with the help of the open source community and technology available today, an affordable intelligent video analytics system is within our reach. This application is a low-cost, adaptive and extensible surveillance system focused on identifying and alerting for potential home intruders. It can integrate into an Read More →

What is Streaming?
Streaming is a technique in which the server provides the response to a request in chunks. I can think of a couple of reasons why this might be useful:

Very large responses. Having to assemble a response in memory only to return it to the client can be inefficient for very large responses. An Read More →

Dowload last release : https://github.com/aelassas/Wexflow/releases/tag/v2.4
Features
Wexflow is an open source extensible workflow engine with a cross-platform manager and designer. The goal of Wexflow is to automate recurring tasks without user intervention. Wexflow aims to make automations, workflow processes, long-running processes and interactions between systems, applications and folks easy, straightforward and clean.
Wexflow provides the following features:

Sequential workflows.
Flowchart workflows.
Workflow events.
A cross-platform application Read More →

Neural Networks and Deep Learning is a free online book. The book will teach you about:

Neural networks, a beautiful biologically-inspired programming paradigm which enables a computer to learn from observational data
Deep learning, a powerful set of techniques for learning in neural networks

Neural networks and deep learning currently provide the best solutions to many problems in Read More →

What is a Neural Network ?
To get started, I'll explain a type of artificial neuron called a perceptron.
Perceptrons
were developed in the 1950s and 1960s by the scientist Frank Rosenblatt, inspired by earlier work by Warren McCulloch and Walter Pitts. Today, it's more common to use other models of artificial neurons - in this book, and Read More →

A curated list of notable ETL (extract, transform, load) frameworks, libraries and software.

Awesome ETL

Workflow Management/Engines
Job Scheduling
Python
Ruby
Go
Java
Talks/Articles
Cloud Services
Big Data (Hadoop Stack)
ETL Tools (GUI)

Related Lists

awesome-pipeline

Workflow Management/Engines

Airflow - "Use airflow to author workflows as directed acyclic graphs (DAGs) of tasks. The airflow scheduler executes your tasks on an array of workers while following the specified dependencies. Rich command Read More →

Cardinality
Minimum No. of tables

1:1 cardinality with partial participation of both entities
2

1:1 cardinality with total participation of atleast 1 entity
1

1:n cardinality
2

m:n cardinality
3

 
Note: This is a general observation. Special cases need to be taken care. We may need extra table if attribute of a relationship can’t be moved to any entity side.
 
Keys of a relation: There are Read More →

What are advantages of DBMS over traditional file based systems?
Ans: Database management systems were developed to handle the following dif?culties of typical ?le-processing systems supported by conventional operating systems.
1. Data redundancy and inconsistency
2. Dif?culty in accessing data
3. Data isolation – multiple ?les and formats
4. Integrity problems
5. Atomicity of updates
6. Concurrent access by multiple users
7. Security Read More →

There is a stored procedure that must be run by only one user at a time. How do to I prevent multiple users from running the stored procedure at the same time?
Solution
SQL Server provides an application manageable lock mechanism through the sp_getapplock / sp_releaseapplock pair of system stored procedures. They provide a way for application Read More →

Excel files can be read using the Python module Pandas. In this article we will read excel files using Pandas.
Related course:
Data Analysis in Python with Pandas
Read Excel column names
We import the pandas module, including ExcelFile. The method read_excel() reads the data into a Pandas Data Frame, where the first parameter is the filename and the Read More →

Follow these instructions.

Enable Multiple RDP Sessions
Log into the server using Remote Desktop.
Open the start screen (press the Windows key) and type gpedit.msc and open it
Go to Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections.
Set Restrict Remote Desktop Services user to a single Remote Desktop Read More →


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SSISTester
Quand j'ai commencé à réfléchir à une infrastructure de test pour les packages SSIS, j'ai trouvé trois aspects importants. Tout d'abord, je voulais avoir un UX semblable à l'écriture de tests en utilisant l'infrastructure de test de Visual Studio , donc la méthode typique mettant en cause le programme d'installation, de vérification et de nettoyage Read More →

Beginning back with SQL Server® 2005, Microsoft® integrated the .NET runtime into the database engine. This runtime engine is called the SQL Server Common Language Runtime (CLR), and is commonly referred to as SQLCLR. SQL Server CLR enables you to extend the capabilities of the SQL Server database engine with the rich programming environment of Read More →