Author: admin
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Give an example to demonstrate how can we use async await in Node.js?
See the following example of using async-await pattern:
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Type Casting
The term “Type Casting” refers to conversion of one type of data to another. Since PHP is a weakly typed language, the parser coerces certain data types into others while performing certain operations. For example, a string having digits is converted to integer if it is one of the operands involved in the addition operation.…
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What is the main difference between front-end and back-end development?
The following table specifies the key differences between a front-end and back-end development: Front-end Development Back-end Development The front-end development in an application refers to the client-side of an application. The back-end development in an application refers to the server-side of an application. As the name specifies, the front-end development is the part of a…
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Which is the best tool we can use to assure consistent code style in Node.js?
ESLint tool is one of the best tools we can use with any IDE to ensure a consistent coding style. It also helps in maintaining the codebase.
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What do you understand by the term fork in Node.js?
Generally, a fork is used to spawn child processes. In Node.js, it is used to create a new instance of the V8 engine to run multiple workers to execute the code.
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What are some commonly used timing features of Node.js?
Following is a list of some commonly used timing features of Node.js:
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Data Types
The term “data types” refers to the classification of data in distinct categories. PHP has a total of eight data types that we use to construct our variables − The first five are simple types, and the next two (arrays and objects) are compound types. The compound types can package up other arbitrary values of…
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In which types of applications is Node.js most frequently used?
Node.js is most frequently and widely used in the following applications:
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Magic Constants
The magical constants in PHP are predefined constants. They are available to any script on which they run, and they change depending on where they are used. All these “magical” constants are resolved at compile time, unlike regular constants, which are resolved at runtime. There are nine magical constants in PHP. These special constants are…
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Constants
A constant in PHP is a name or an identifier for a simple value. A constant value cannot change during the execution of the PHP script. Examples of Valid and Invalid Constant Names in PHP Here are some examples of valid and invalid constant names in PHP − Difference between Constants and Variables in PHP…