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Computing

At The Kanban

Kanban is a lean method to manage and improve work across human systems. This approach aims to manage work by balancing demands with available capacity, and by improving the handling of system-level bottlenecks.

Work items are visualized to give participants a view of progress and process, from start to finish—usually via a Kanban board. Work is pulled as capacity permits, rather than work being pushed into the process when requested.

In knowledge work and in software development, the aim is to provide a visual process management system which aids decision-making about what, when, and how much to produce. The underlying Kanban method originated in lean manufacturing,[which was inspired by the Toyota Production System. Kanban is commonly used in software development in combination with other methods and frameworks such as Scrum.

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Computing

Where Is Svelte?

There are many scenarios where Svelte technology is used and with some research in to svelte as a topic, I have found that it is beneficial to use simply because svelte is faster than react and Vue which are its main competitors. People now are seeing a lot of potential in svelte, and there is a thriving community now. The svelte technology can pretty much be used in any web development that you want you can build an entire web app if you want and because it is a compiler that takes your components, converts them into efficient JavaScript files with a very small amount of framework code that surgically updates the DOM. Frameworks such as react and Vue use a virtual Dom to optimize rendering changes, which just isn’t as fast. Svelte however provides reactively without using a virtual DOM it does this by tracking changes to the top-level component variables that affect each component renders and only we are rendering those parts of the Dom when changes are detected this is why svelte has better performance.

There is a company in brazil called stone that makes point of sale systems that you can put credit cards in to pay for things, they tried building an interface for these devices with React and Vue and other frameworks and they couldn’t get the results they wanted it was just to slow the user experience wasn’t great they built it with svelte instead and it went amazingly and there are now 200,000 devices on the streets of Brazil running svelte, these are low power devices that don’t have the same amount of memory and CPU capacity we have on a smartphone nowadays.

Mustlab is another example of a company where svelte technology is being used to make applications for smart TVs, svelte is the perfect fit for them it allows them to be extremely productive without having to worry about performance, they are expanding svelte now into other areas of the business including the control panel for smart home automation. The future is the embedded web you’re wearables, internet of things and smart TVs.

Svelte makes many tasks easier including defining components, managing component state, managing the application state and adding animations. Its ability to produce bundle code that is significantly smaller than the alternatives. Having you work with plain vanilla JavaScript, CSS, and HTML with a little HTML conforming syntax on top making it really easy to learn.

It’s been called the “disappearing framework.” This feature is probably Svelte’s greatest innovation, and every framework is trying to adopt this now. There are zero client-side dependencies. None. Just the end JavaScript of the component itself.

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Categories
Computing

Agile Principles

Agile software development principles

The Manifesto for Agile Software Development is based on twelve principles:

  1. Customer satisfaction by early and continuous delivery of valuable software.
  2. Welcome changing requirements, even in late development.
  3. Deliver working software frequently (weeks rather than months)
  4. Close, daily cooperation between business people and developers
  5. Projects are built around motivated individuals, who should be trusted
  6. Face-to-face conversation is the best form of communication (co-location)
  7. Working software is the primary measure of progress
  8. Sustainable development, able to maintain a constant pace
  9. Continuous attention to technical excellence and good design
  10. Simplicity—the art of maximizing the amount of work not done—is essential
  11. Best architectures, requirements, and designs emerge from self-organizing teams
  12. Regularly, the team reflects on how to become more effective, and adjusts accordingly

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Computing

Cloud computing

Cloud computing is the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user. The term is generally used to describe data centers available to many users over the Internet. Large clouds, predominant today, often have functions distributed over multiple locations from central servers. If the connection to the user is relatively close, it may be designated an edge server.

Clouds may be limited to a single organization (enterprise clouds), or be available to many organizations (public cloud).

Cloud computing relies on sharing of resources to achieve coherence and economies of scale.

Advocates of public and hybrid clouds note that cloud computing allows companies to avoid or minimize up-front IT infrastructure costs. Proponents also claim that cloud computing allows enterprises to get their applications up and running faster, with improved manageability and less maintenance, and that it enables IT teams to more rapidly adjust resources to meet fluctuating and unpredictable demand. Cloud providers typically use a “pay-as-you-go” model, which can lead to unexpected operating expenses if administrators are not familiarized with cloud-pricing models.

The availability of high-capacity networks, low-cost computers and storage devices as well as the widespread adoption of hardware virtualizationservice-oriented architecture and autonomic and utility computing has led to growth in cloud computing.  By 2019, Linux was the most widely used operating system, including in Microsoft’s offerings and is thus described as dominant.  The Cloud Service Provider (CSP) will screen, keep up and gather data about the firewalls, intrusion identification or/and counteractive action frameworks and information stream inside the network.

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Javascript

JavaScript often abbreviated as JS, is a high-levelinterpreted scripting language that conforms to the ECMAScript specification. JavaScript has curly-bracket syntaxdynamic typingprototype-based object-orientation, and first-class functions.

Alongside HTML and CSS, JavaScript is one of the core technologies of the World Wide Web.[JavaScript enables interactive web pages and is an essential part of web applications. The vast majority of websites use it,  and major web browsers have a dedicated JavaScript engine to execute it.

As a multi-paradigm language, JavaScript supports event-drivenfunctional, and imperative (including object-oriented and prototype-basedprogramming styles. It has APIs for working with text, arrays, dates, regular expressions, and the DOM, but the language itself does not include any I/O, such as networkingstorage, or graphics facilities. It relies upon the host environment in which it is embedded to provide these features.

Initially only implemented client-side in web browsers, JavaScript engines are now embedded in many other types of host software, including server-side in web servers and databases, and in non-web programs such as word processors and PDF software, and in runtime environments that make JavaScript available for writing mobile and desktop applications, including desktop widgets.

The terms Vanilla JavaScript and Vanilla JS refer to JavaScript not extended by any frameworks or additional libraries. Scripts written in Vanilla JS are plain JavaScript code.

Although there are similarities between JavaScript and Java, including language name, syntax, and respective standard libraries, the two languages are distinct and differ greatly in design. JavaScript was influenced by programming languages such as Self and Scheme.[13] The JSON serialization format, used to store data structures in files or transmit them across networks, is based on JavaScript