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Computer and Internet

Computer and Internet is catchall section of core computing categories including Cloud Computing, Digital Photography, Virtualization, Networking, Protocols and Others' which are not otherwise more subcategorized. Here also you will get unique articles and news on computer hardware, Software, Networking and Protocols.

What is Mobile Backend as a service (MBaaS)?

Mobile Backend as a service (MBaaS) is a model for providing web and mobile app developers with a way to link these applications to cloud storage, analytics services, and/or other features such as user management, the ability to send push notifications, and integration with social media services. These services are provided through the use of custom software development kits (SDKs) and application … [Read more...]

What are the Pros and Cons of DevOps

DevOps is not any specific technology. DevOps is a shift of methodologies, an approach to software development which has been discussed in the series of article Basics of DevOps. Traditionally, development team and the operations team were separate. The development team design the system, build, test, and then deliver it to the operations team. The operations team uses it for work and reports … [Read more...]

What is Elasticity in Cloud Computing

Elasticity in cloud computing is the ability of this cloud to adapt to application needs as quickly as possible. There are several definitions according to the authors, some considering the concepts of scalability and elasticity as identical, others as distinct. The arrival of such distributed systems (see Distributed Calculation) inevitably leads to technical problems that need to be addressed or … [Read more...]

The Relationship Between BPM and BI

Only a few years ago, business process management (BPM) was an important strategic task for corporate management. Today, interest has waned due to rampant planning and modelling. Instead, digitalization is better tackled. Today, new business models and processes are being created, while existing processes and areas are being restructured and digitized. The short time horizon in which processes are … [Read more...]

ESP32 Audio Output

The ESP32 has a built-in 8-bit DAC. Digital to the analogue signal converter or analogue-digital converter or DAC is a device to convert digital signals with binary data into current or analogue voltage signals. For better sound quality, we can use an external I2S codec and amp. Adafruit I2S amp uses a MAX98357A IC. The MAX98357 is a low-cost, digital pulse-code modulation (PCM) input amplifier. … [Read more...]

How to Prepare Skin for a Photoshoot

Portrait and fashion/glamour photographer commonly face a model with the fault in the eyebrows, body hair or tan lines. Although these can be fixed in post-production on Adobe Photoshop they are better to be solved beforehand. Removing hair in Photoshop because may result in a lower resolution image with lower PPI. With the increasing quality of the display, it is too much risk not to work on the … [Read more...]

Reusing the Technologies of Latest Vaping Devices

The goal of this article is to discuss the art of engineering employed in various mods which may be employed in other devices of day to day usage. Vaping can be illegal or restricted in certain countries. Purpose of this article is not to encourage breaking the laws. For developmental purpose, first, we need to briefly discuss the construction of an e-cigarette. Table of Contents 1 … [Read more...]

What is Big Data Maturity Model

Big Data is about answering business questions. With in-memory data structures, file based storage systems, and massively parallel processing, today we are able to leverage advantages from data. To dig information from that data, any business need to create a functional model which solves their business problems and get the right technology for analytics. Here is where we need data maturity. … [Read more...]

Cloud Computing Challenges in 2020

Companies today see the use of the cloud as the basis for digitization strategies. Overall, however, the challenges of the cloud should not be pushed aside. Cloud computing brings numerous advantages, regardless of their size, that need not be described in detail here. The international providers such as Amazon with AWS, Microsoft with Azure and Google with its cloud address different target … [Read more...]

Note on Calculating Distance From RSSI Value of BLE Devices

A quick question from one reader after publication of Smartwatch BLE to Trigger IBM Watson IoT Event was "can I measure the distance in meters and broadcast?". The answer is - it is not reliable with easy formula against a single BLE device. If we were using Raspberry Pi, then we could think of using complex coding. BLE technology and works with Indoor Location Positioning is not new. RSSI … [Read more...]

Detect Samsung Smartwatch BLE and Trigger IBM Watson IoT Event

We can trigger ESP32 to send message to IBM Watson IoT in Presence of a Particular Samsung Galaxy Smartwatch. This involves BLE and WiFi. In our one series of articles on Samsung Smartwatch as Proximity Switch, we triggered a local event, such as control of a relay. In our other series of articles, we sent message to IBM Watson IoT with upon pressing a button (this guide and this guide). Now, … [Read more...]