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As a CIO, you are keenly aware that rapid change in business and technology is the “new normal.” However, in the 21st Century, “change” is actually too weak a descriptor.

Today, it’s all about transformation. This means you can’t go backward, and you can’t stand still. You can’t rest on your laurels and you can’t keep doing what you’ve always done — even if you do your best to keep doing it better.

The only way for your company to survive, let alone thrive, is to continuously reinvent and redefine.

Reinvent and redefine what? Everything .

Today’s transformation is an accelerated, magnified force of change. Redefining and reinventing is a way of harnessing that wild horse and hooking it to a product, a service, an industry, or a career.

In a sense, transformation is a hard trend (a Definite), while reinvention is a soft trend (a Maybe). Transformation is going to happen, all around us and to us, whether we want it to or not. Reinvention, on the other hand, will happen only if we make the decision to do it. If we don’t, someone else will.

In the coming years, dramatic new developments are going to be flying at you so fast, from so many places and so many competitors, that it will be easier than ever to become overwhelmed. In a transformational time, disruption multiplies. The only solution to this increasing dilemma is to become experts at reinventing our companies, our products, our services … essentially everything we do.

Lee Iacocca and Hal Sperlich reinvented an entire marketplace in 1983 when they redefined the family station wagon. At the time, station wagon sales were not growing, even though baby boomers were in their prime childbearing years and the nation was bursting with new families.

A puzzle. Why, if they needed the product, weren’t they buying it? Because purchases are more emotional than logical, and are often statements of identity as much as (or more than) a rational act of fulfilling a practical need. Baby boomers may have needed a set of wheels with substantial family room, but they did not want to look and act just like their parents; even if that’s exactly what they were doing most of the time. Baby boomers did not want to identify themselves as a generation of people who drove station wagons.

But vans? They were kind of cool and, more important, their parents never drove vans. Chrysler introduced the Dodge Caravan in November 1983, creating an entire automotive category — the minivan — that they would continue to dominate for the next quarter century. It was a stroke of flash foresight, based on the hard trend of baby boomers and their needs (along with the eternal insight that people don’t want to look or act like their parents).

The good ol’ days

It used to be that corporate and product reinvention was an option; today it is an imperative. We live today in a unique context, an environment we’ve never seen or experienced before. We have never had this kind of processing power and bandwidth, this kind of runaway acceleration in technological capacity, and it has completely transformed our relationship to the concept of stability.

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Advantages And Importance Of Single Database

Introduction to Redis List

Redis is unique and supports a structured linked list. Redis stores a structured sequence of strings and key values. Redis lists are a collection of strings sorted as an insertion order and can add components to Redis list by push mechanism to the front and back end of the list by LPUSH and RPUSH. And the user can pop the items from both the back and front end of the list by RPOP and LPOP. Redis list is used to simply order the string list by tail or head of the list.

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Redis list is used to manage the structured list and the user can add the elements in the tail or head of the list. All types of strings are welcomed in the structured list. The functions that can be executed by list are standard and can be found in all programming languages. The user can add the elements by using LPUSH and RPUSH, that is back or front of the list, and can revoke items from back and front using RPOP and LPOP. The user can fetch a component from the required position by using LINDEX and some range of components can also be fetched using LRANGE.

Key Takeaways

Redis search is used for secondary indexes.

Redis list is used to view the string values and deploy queues and stacks.

Redis list can build management of queues.

The user can also insert and remove the items from the middle, or trim the entire list to the required size by eliminating from both or single end.

Redis List in Commands

There are a few commands to work on the Redis list:

BLPOP key 1 [key 2] timeout is used to delete and fetch the first element from the blocks or list until one component is available.

BRPOP key 1 [key 2] timeout is used to delete and fetch the last component from the blocks or list until one is available.

BRPOPLPUSH destination source timeout is used to get value from the list, move to another list and return it again till one is available.

LINDEX key index is used to fetch an element from the list with its index.

LLEN key is used to print the list length.

LPOP key is used to delete and fetch the initial list element.

LPUSH key value 2 [value 1] is used to prepend the multiple values.

LPUSHX key value is used to prepend any value to the list only if the list is present.

LRANGE key stop start fetches the element range from the given list.

LREM key value count deletes the element from the list.

LSET key-value index fixes the value of a component in the list with its index.

LTRIM key stop start is used to fix the element value in the list using its index.

RPOP key is used to delete and fetch the last value in the list.

RPOPPLPUSH destination source deletes the end element in the list, then append it to another list and returns the value.

RPLPUSH key value 2 [value 1] is used to append multiple values to the list.

RPUSHX key value is used to append any value to the list only if the list is present.

How to Use Redis List?

The RPUSH, LINDEX, LRANGE, LPOP commands are given below:

(integer) a (integer) b (integer) c

When the push items are done to a list, the command gives the present length of the list.

a) “item”

b) “item 1”

c) “item”

The user can fetch the whole list by giving a range of start index as 0 and last index as -1.

The user can fetch the individual item in the list using LINDEX.


a) “item 1”

b) “item”

If the element is popped from the list, then it will be no longer available.

Redis List in Database

Multiple operations can be performed with the list, and apart from that, Redis is an effective platform for managing multiple problems. The user can also insert and remove the items from the middle, or trim the entire list to the required size by eliminating from both or single end. In Redis, both the database and cache are a bit complicated. Every layer in data has different scalability, from optimizing the functions at different ends to infrastructure modularity.


Given below are the FAQs mentioned:

Q1. Can we save a list in Redis? Q2. Can Redis be used as a database? Q3. Can Redis list save objects?

Answer: It follows an object storing process and everything is saved in key-value pair format. Those keys must be unique and save the object as a string format. But as a good practice, the elements are saved in binary array format.

Conclusion Recommended Articles

This is a guide to Redis List. Here we discuss the introduction, redis list in commands and database, FAQ respectively. You may also have a look at the following articles to learn more –

Generation Of Electrical Energy And Its Importance

Generation of Electrical Energy

The transformation of energy available in different forms in the nature into electrical energy is called the generation of electrical energy.

Energy is available in various forms in the nature such pressure energy in water head, chemical energy in fuels, nuclear energy in radioactive materials, etc. All these forms of energy can be converted into electrical energy by using a suitable arrangement of equipment. A typical arrangement for the generation of electrical energy) is coupled to a prime mover (device that can convert any form of energy into kinetic energy).

The prime mover is driven by the energy obtained from different energy sources like pressure of water, burning of fuel, steam, etc.

For instance, the heat energy produced by burning of coal can be used to produce steam at high temperature and pressure.

This steam is fed to a steam turbine or steam engine (prime mover).

The steam turbine converts the heat energy of steam into mechanical energy which is further converted into electrical energy by the alternator which is coupled to the prime mover.

In the same way, other forms of energy can be converted into electrical energy by using a suitable arrangement of equipment.

Importance of Electrical Energy

The modern society is so much dependent upon the use of electrical energy that it has become a part of our life. The energy may be needed as heat, as light and in many other forms. The present day technology made it possible to convert country is measured in terms of consumption of electrical energy.

The following reasons account for the popularity of use of electrical energy as compared to the all other forms of energy −

Convenient Form of Energy – The electrical energy can be easily converted into other forms of energy such as heat (using heater), as light (using electric bulb), as mechanical energy (using electric motor), etc. Therefore, the electrical energy is a very convenient form of energy.

High Flexibility – The electrical energy can be generated at one place and can be easily transported to another place for utilisation with help of conductors. Thus, the electrical energy is widely used because it offers greater flexibility over all other forms of energy.

Easy Control & Operation – The electrical machines have simple and easy starting, operation and control. For example, an electric motor can be started or stopped easily with the help of a switch. Also, using a speed control circuit, the speed of the motor can be easily adjusted at the desired value.

More Economical – It is overall economical to use the electrical energy for domestic, commercial and industrial purposes, because the electrical energy is much cheaper than other forms of energy.

No Pollution – The use of electrical energy ensures cleanliness and healthy conditions in the environment, because the use of electrical energy does not produce smoke, fumes or poisons gases. Hence, the use of electrical energy does not pollute the environment.

High Transmission Efficiency – Generally, the generating stations of electrical energy are situated quite away from the places of its utilisation. Using the overhead transmission lines or underground cables, the electrical energy can be transmitted efficiently and conveniently from the generating stations to the points of utilisation.

The Importance Of Cisco’s Aws Hybrid Solution

Cisco is known for networking technology. It dominates this space; even its logo is a stylized bridge (the Golden Gate). But it does more than just networking — it also sells high-end servers. But getting consideration for those efforts has proven difficult because it has built such a solid networking reputation.

To get people, and in this case, I’m talking about IT buyers, to view Cisco differently and accept that the company is more than just networking, it needs to leverage other brands. And when it comes to servers and networking at scale, the strongest brands are in the cloud these days.

The strongest cloud brand, though clearly being chased by Microsoft, Google, and much of China, remains AWS. Amazon Web Services is the strongest power player in the cloud at the moment and the go-to partner for anyone wanting to gain fast credibility for any server solution at scale. The most powerful in that class are arguably hyperconverged solutions and the most powerful, and complex, are tied to the growth of containers and microservices in the cloud. And that is just where Cisco’s hybrid cloud announcement landed.

I agree with Cisco that it should accelerate innovation, and it should also accelerate a change in how we perceive the company.

Cisco Hybrid Solution for Kubernetes on AWS

This solution takes Cisco CloudCenter, CSR 1000v, Stealthwatch Cloud, AppDynamics, Cisco HyperFlex or UCS, Cisco AACI, and the Cisco Container platform and places them under the centerpiece for the solution — a blend of the Cisco Container Platform and the Amazon Elastic Container Service for Kubernetes (EKS).

That is a lot of parts, but Cisco has worked to get them to interoperate so that this can be a packaged solution for both Amazon and those wishing to use the hybrid model to connect to it. By putting all these parts together, Cisco has done much of the hard assembly work with the apparent benefits of agility, portability and speed.

A big problem with complex solutions like this is not only getting them up and running but in managing what results. Many are highly customized, and particularly when you are talking hybrid deployments, very different than their cloud-based counterparts. By making this a package that is mirrored on premise and in the Amazon cloud, much of the complexity and related operational and interoperability problems are eliminated.

By making the solution defined, the learnings from one deployment are shared with others, vastly lowering the deployment risk, potentially increasing overall performance and reducing the cost and problems associated with ongoing management.

Importance to Cisco

Doing this with AWS lends substantial credibility to Cisco as more than just a powerful networking vendor. This helps create the image of Cisco as a more general solution provider that is better able to compete with the likes of HPE, IBM and Dell Technologies. Perceptions are our reality, and by aggressively working to change the perception of Cisco as just a networking vendor, efforts like this lay a more diverse foundational future in front of the company.

It needs big implementations like this with world brands to create and cement the impression that Cisco can perform in the general computing world at scale. This does that, suggesting the impact of this solution could go far beyond its definition and having a far broader impact on Cisco’s future.

A Strategic Partnership

Often with initiatives, particularly those tied to other brands, it is hard to determine whether they are strategic or just marketing fluff. This one is critical to Cisco and its effort to evolve the company. The technology is right where much of the enterprise developer market wants to be. That makes it strategic. While I expect this strategic nature is more important to Cisco than Amazon at the moment this is just a first step, and over time, the two firms could become inseparable. This is because performance in the cloud, particularly with a hybrid solution, often has more to do with transport than compute, and transport is Cisco’s competitive sweet spot.

Photo courtesy of Shutterstock.

Strategies And Tactics Of Risk Management

Following a robust and well−planned risk management strategy has become more important now than ever. Especially after the COVID pandemic, organizations have been focusing on risk management for all projects. Whether they are developing a simple mobile app or are planning a business expansion in the international market, risk management is essential.

The project planning is incomplete without identifying the potential risks that might arise from deploying new strategies. How quickly and effectively you plan risk management will determine how well you can cope with the unforeseen and how your business performs in tough times. Risk management can involve strategies to mitigate these risks or a detailed backup plan in case the existing strategy fails. Keep reading to learn more about risk management.

A risk management strategy is a set of procedures and plans to address different kinds of risks. Businesses of all sizes and natures can benefit from a risk management strategy. Note that a risk management strategy isn’t just a series of steps, but an ongoing process where you identify the risks, devise a plan to mitigate them, and monitor your performance at every stage of a project to ensure the best results.

Steps for Developing a Risk Management Strategy

It’s important to review risks at different stages of the project, especially when it’s in the development stage, and follow the right steps to manage those risks.

Identify risks

Risks can be defined as vulnerabilities that might pose a threat to the organization, employees, assets, and ongoing projects. Your focus should be on pointing out the areas that are red flags and might disturb your workflow, resources, and budget. You must follow the proactive approach, where you identify the risks beforehand instead of waiting for these red flags to turn into a big problem. Once you have identified risks, the next steps get easier.

Assessing risks

Once you have identified and documented each risk, the next step is for the audit team to assess the severity of these risks and determine the impact they have on your organization. They also assess if the risk can turn into a big cause for concern in the future and if it will affect the company’s annual revenue.

Based on the risk assessment, the manager and the team can prioritize these risks. You must document these risks and, depending on the nature of your business, review them annually. Risk assessment strategy varies from company to company. Some conduct a thorough risk assessment when executing a complex project, while others make it a regular strategy.

Addressing risks

Risk assessment or evaluation should give you a clear picture of how the risk will have a severe impact on your project or business. Based on this, you can set your priorities and work on the risks that pose a bigger threat to your organization. At this stage, you need to build a contingency plan so that you don’t face any surprises as you move ahead with your project.

You work with your team and stakeholders to develop a robust management strategy that can address the potential risks or mitigate them to some extent. If a risk seems too challenging to be fixed, you can always have a backup plan that shows you how to execute the same process with a different approach.

Monitoring risks

Now, you know what to do if a risk becomes a problem in your project development and how you are going to mitigate them. The next crucial step is monitoring these risks. Risk monitoring is a continuous process where you must assess risks and figure out the most practical solutions regularly. Risk monitoring will ensure that the risks do not turn into a problem that you can’t handle with the available resources.

Why your Business Needs a Risk Management Strategy?

Risk management does much more than address a simple risk. A thorough risk management strategy helps you identify your company’s strengths, weaknesses, opportunities, and threats. Let’s check out the few steps for managing risks effectively.

Business continuity

Unprecedented risks have become a common phenomenon after the global pandemic. Even if you think your company is prepared to address these challenges, the truth is certain risks can occur at any time and can shut your business for good. It can be an operational risk, like a machine failure, or a more complex one, such as a supplier ending their services with you. Certain risks can affect your business, employees, and even customers. Cybersecurity threats, for example, can result in data leaks which might take your business down.

Customer satisfaction

Your brand, logo, digital presence, and every part of your business is your asset. Your customers value these things when they do business with you. When you deploy an effective and well−planned risk management strategy, your customers feel confident about working with you. Not only customers but your investors and employees will also consider your risk management strategies. Know that contingency plans are a must for all companies. It gives your stakeholders and team a sense of security that if the original plan doesn’t work, they have a backup plan in place.

Increased profitability

The long−term objective for most businesses is increasing their revenues. You don’t want your team’s effort going down the drain just because of a breach that could have been avoided if you had a risk management strategy. Even a small security breach can lead to lengthy investigations, legal fees, and a lot of resources in recovering the lost data. To increase your profit and achieve your long−term goals, it’s important that you practice a proper risk management strategy.


Risk is an inevitable part of every business. While you can’t predict or control them ahead of time, there are ways to address them effectively. A risk management strategy shows you the right ways to deal with different kinds of risks and mitigate them. Once you have identified and assessed risks, you can devise a plan to avoid or transfer them.

Importance Of Node Js In Javascript

What is Node.js?

Node.js is a JavaScript runtime environment which is used to execute the JavaScript code outside the browser. It can be used on different operating system like windows, Mac OS, Linux. chúng tôi is used to build server-side web applications which can respond fast and handle multiple connections parallelly.

Why Node.js?

JavaScript was created for the purpose of using it in web browsers. chúng tôi has enabled developers to use JavaScript for full-stack development. It allows developers to write both the client-side and server-side code in the same language and create web applications, command-line interface tools and other software. Using chúng tôi developer can run code as a standalone application.

Node.js is having single-threaded event loop architecture. It supports concurrency using the concept of events and callbacks and it abstracts the input and output requests. Means, it plays vital role in the execution of asynchronous operations. It initializes the event loop at the beginning, controls the order of operation and process the input. You can check this article for more detailed information about event loop concepts of Node.js.

In addition, chúng tôi is also known for its scalability, flexibility, and performance. It is built on Google’s V8 engine which compile JavaScript code into machine code which results in faster and more efficient execution. This allows chúng tôi to handle large amounts of data and concurrent operations without slowing down. It uses the asynchronous operation which does not use a separate thread for each process instead, it uses an event-driven input/output method.

Node.js is considered as the best web framework for the beginner as it can work in the best way for real-time application development as chúng tôi allow JavaScript to run in the browser everywhere whether it is frontend or backend.

Reasons to Use Node.js NPM Ecosystem

It has a rich ecosystem in terms of open-source tool and libraries. it has more than 1.5 million packages available which makes it easy to build and maintain large and complex web applications.

Fast and Scalable

Node.js uses an event driven non-blocking I/O technique. Which makes it lightweight and efficient which allow it to handle large number of operations.

JavaScript Everywhere

Node.js uses JavaScript on both the front-end and back-end, making it easy for developers to work in a single language across the entire stack.

Easy to Learn

As JavaScript is a popular language which many developers already know. So, it makes chúng tôi easy to get started with server-side development.


Node.js is a cross-platform framework which can be run on Windows, macOS, and Linux. Multiplatform support makes It a versatile choice for building server-side applications.

Real-time Applications

Node.js is considered as ideal for the creation of real-time web applications like chat, streaming services, gaming platforms. All these requires low-latency and high-performance servers.

Microservices Architecture

Node.js is considered as a first choice for creating microservices-based architectures, allowing developers to build small, focused vices that can be easily scaled and deployed independently.

High-performance APIs

Node.js is used to build APIs which support large volume of API requests with low latency rate by making it a popular choice for building backend services for web and mobile applications.

Large Community

Node.js has a large community of developers with plenty of resources, documentation, forums, meetups and support.


Node.js is a very cost-effective choice for the server-side development as it is free and open-source. it can run on any hardware which reduce the overall cost of development and deployment.

Overall, chúng tôi plays very crucial role in the server-side development. It has ability to extend JavaScript language outside the browser. It allows developers to create scalable server-side applications with their familiar languages.

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