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Mobile Phones/Cell Phones is the fundamental element in every moment or second in our life. But this most useable phone has some health effect that are...
Read articleProgramming languages are the foundation of software development and computer science. They provide a medium through which humans can instruct machines to perform specific tasks. Here’s...
Read articleAnd note some fundamentals of Promise – When you create a new Promise, you’re really just creating a plain old JavaScript object. This object can invoke...
Read articleThis tutorial teaches FIWARE users how to alter the context programmatically. The tutorial builds on the entities created in the previous stock management example and enables a user...
Read articleIn this file, you will write the functions that dispatch an action. These functions will be linked to your component props by the container’s mapDispatchToProps function....
Read articleA lifecycle hook that is called after Angular has fully initialized a component’s view. Define an ngAfterViewInit() method to handle any additional initialization tasks. interface AfterViewInit...
Read articleAggregation in MongoDB is nothing but an operation used to process the data that returns the computed results. Aggregation basically groups the data from multiple documents...
Read articleFiber, the new React reconciliation algorithm, has the ability to start and stop rendering as needed for performance benefits. One of the trade-offs of this is...
Read articleFirst a re-cap of the basic CSS Chain/Descendant Selector 1> Chain Selectors – https://stackoverflow.com/questions/13444647/css-class-definition-with-multiple-identifiers .class1.class2 will match only the elements that have both of the classes defined....
Read articleBasically, the Company asked to create an Android “screen” that would allow a user to enter and submit the following data from an American Express, Discover,...
Read articleAccording to original Documentation the pipable operator is that function take observables as a input and it returns another observable .previous observable stays unmodified. pipe(...fns: UnaryFunction<any,...
Read articleOne of the main goals of Angular is to help the developer create reusable and composable components. I think ng-content is one of the simplest ways...
Read articleRound 1 (Technical F2F): The interviewer started by asking about my current project and asked me to explain the architecture. I answered by explaining her the...
Read articleHere is a coding exercise to help us assess your technical skills. Please plan to spend no more than 4 hours on this. We understand we...
Read articleThis exercise is to implement the best possible solution to one of the exercises below in the time alloted. We’re evaluating your ability to take a...
Read articleBasically, the Company asked to create an Android “screen” that would allow a user to enter and submit the following data from an American Express, Discover,...
Read articleKey Point – With the .then() method, we can chain our ASYNCHRONOUS calls in a SYNCHRONOUS manner. So, within the Promise block, I am converting few...
Read articleThere are a few other options you can use if you don’t know beforehand the height of a DIV: div { height: auto; } This will...
Read articleFirst see what is em An em is equal to the computed font-size of that element’s parent. For example, If there is a div element defined...
Read articleAn element with position: absolute; is positioned relative to the nearest positioned ancestor (instead of positioned relative to the viewport, like fixed). However; if an absolute...
Read articleA pseudo-class is used to define a special state of an element. For example, it can be used to: Style an element when a user mouses...
Read articleThe Flexbox Layout (Flexible Box) module aims at providing a more efficient way to lay out, align and distribute space among items in a container, even...
Read articleCSS Grid Layout is the most powerful layout system available in CSS. It is a 2-dimensional system, meaning it can handle both columns and rows, unlike...
Read articleThe browser determines what styles to show on an element depending on the specificity of CSS rules. We assume that the browser has already determined the...
Read articleThe Block, Element, Modifier methodology (commonly referred to as BEM) is a popular naming convention for classes in HTML and CSS. Block Stan dalone entity that...
Read articleAmpersand can also be used to concatenate additional class names (or IDs, etc.) into a compound selector for higher priority (instead of adding another descendant selector). While nesting...
Read articleFirst a re-cap of the basic CSS Chain/Descendant Selector 1> Chain Selectors – https://stackoverflow.com/questions/13444647/css-class-definition-with-multiple-identifiers .class1.class2 will match only the elements that have both of the classes defined....
Read articleA child combinator describes a childhood relationship between two elements. A child combinator is made of the “greater-than sign” (U+003E, >) code point and separates two...
Read articleIgnoring the letters (xs, sm, md, lg) for now, I’ll start with just the numbers… the numbers (1-12) represent a portion of the total width of...
Read articleOne of the main goals of Angular is to help the developer create reusable and composable components. I think ng-content is one of the simplest ways...
Read articleUse the :host pseudo-class selector to target styles in the element that hosts the component (as opposed to targeting elements inside the component’s template). The :host...
Read articleAngularJS directives are extended HTML attributes with the prefix ng-. The ng-app directive initializes an AngularJS application. The ng-init directive initializes application data. The ng-model directive...
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