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Samual Sam has Published 2755 Articles
Samual Sam
42 Views
Job trends keep changing every year because of the introduction of new realms of life and business around us. This influence is always felt in the job market. While some professions may become extinct many other new and unheard roles plunge in front of us. As it is well known, ... Read More
Samual Sam
1K+ Views
The delete() function of the Set object accepts a value and removes it from the current Set object. Syntax Its Syntax is as follows setObj.delete() Example JavaScript Example const setObj = new Set(); setObj.add('Java'); ... Read More
Samual Sam
997 Views
Convert videos to proper formats for HTML5 video on Linux shell using ffmpeg.When converting to an MP4, you want to use the h264 video codec and the aac audio codec because IE11 and earlier only support this combination. ffmpeg -i input.mov -vcodec h264 -acodecaac -strict -2 output.mp4In this example, ... Read More
Samual Sam
1K+ Views
The novalidate and formnovalidateattributes are used to bypass validation. The novalidate attribute is applied to a form and prevents it from validation. The formnovalidate is applied to input type submit button, which overrides the novalidate. It submits the form without validating. The novalidate attribute is also a Boolean attribute, but using ... Read More
Samual Sam
20K+ Views
Dereferencing is used to access or manipulate data contained in memory location pointed to by a pointer. *(asterisk) is used with pointer variable when dereferencing the pointer variable, it refers to variable being pointed, so this is called dereferencing of pointers. int main() { int a = 7, ... Read More
Samual Sam
25K+ Views
To check if a string is null or empty in Java, use the == operator.Let’s say we have the following strings.String myStr1 = "Jack Sparrow"; String myStr2 = "";Let us check both the strings now whether they are null or empty. Result will be a boolean.res = (myStr1 == null ... Read More
Samual Sam
52K+ Views
This is a C++ program to read a text file.Inputtpoint.txt is having initial content as “Tutorials point.”OutputTutorials point.AlgorithmBegin Create an object newfile against the class fstream. Call open() method to open a file “tpoint.txt” to perform write operation using object newfile. If file is open then ... Read More
Samual Sam
27K+ Views
Wavelength division multiplexing (WDM) is a technique of multiplexing multiple optical carrier signals through a single optical fiber channel by varying the wavelengths of laser lights. WDM allows communication in both the directions in the fiber cable. Concept and Process In WDM, the optical signals from different sources or ... Read More
Samual Sam
28K+ Views
Go-Back-N protocol, also called Go-Back-N Automatic Repeat reQuest, is a data link layer protocol that uses a sliding window method for reliable and sequential delivery of data frames. It is a case of sliding window protocol having to send window size of N and receiving window size of 1.Working PrincipleGo ... Read More
Samual Sam
44K+ Views
Do you know “how to use USB memory sticks with Linux”, If you are not sure then this article describes “how to mount USB drive on a Linux system with command line interface”Universal serial bus, or USB (also known as Flash drive), is an electronic communications protocol that is commonly ... Read More