Express.js is a small framework that works on top of Node.js web server functionality to simplify its APIs and add helpful new features. It makes it easier to organize your application’s functionality with middleware and routing. It adds helpful utilities to Node.js HTTP objects and facilitates the rendering of dynamic HTTP objects.

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Basically, encryption is the process or conversion of user data in code or more specifically in the cyphertext form in order to prevent unauthorized access, So, encryption is very much important in today’s world where we all are working on large datasets stored in databases and the credentials of the database must be secured in order to secure the privacy and unauthorized access.

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The term Keylogger is mostly associated with spyware or malware programs designed to record the key strokes of unknowing computer users in a covert manner, with a harmful intent. In the case of Windows 10, the term Keylogger began to be associated with the program when the trial version of Windows 10 was released with an in-built Key logging functionality.

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If your organization disabled Microsoft Internet Explorer (IE) on users’ devices, Microsoft Edge is responsible for Internet Explorer compatibility. As an admin, you can configure Legacy Browser Support (LBS) so that users can use Microsoft Edge in IE mode to view legacy websites that require IE compatibility.

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A peer-to-peer network allows computer hardware and software to communicate without the need for a server. Unlike client-server architecture, there is no central server for processing requests in a P2P architecture. The peers directly interact with one another without the requirement of a central server.

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Wake-on-lan is an Ethernet or token ring computer networking standard that allows a computer to be turned on or awakened by a network message.

• The message is usually sent to the target computer by a program executed on a device connected to the same local area network, such as a smartphone.
• It is also possible to initiate the message from another network by using subnet-directed broadcasts or a WOL gateway service.
• Equivalent terms include wake on WAN, remote wake-up, power on by LAN, power up by LAN, resume by LAN, resume on LAN and wake up on LAN.

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Initializing Three-Dimensional Array: Initialization in a Three-Dimensional array is the same as that of Two-dimensional arrays. The difference is as the number of dimensions increases so the number of nested braces will also increase.

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In C/C++, we can define multidimensional arrays in simple words as an array of arrays. Data in multidimensional arrays are stored in tabular form (in row-major order).

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One of the reasons why WhatsApp becomes one of the most popular messaging services is because of the strong security feature. It encrypts messages from end to end, so the only ones who can read those messages are the sender and the receiver – unless someone else can open either the sender’s or receiver’s phones. But sometimes even the owner of the phone can’t access his/her phones due to technical glitches.

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From its humble beginnings in 1999, Emojis are all the rage these days. It’s no longer something that only people half our age use to communicate. You and I use them all the time, and almost every chat or messaging-related app under the sun provides great support for it:

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