Plot Complex Numbers in Python

Abhinaya
Updated on 18-Jun-2020 06:38:34

3K+ Views

You can plot complex numbers on a polar plot. If you have an array of complex numbers, you can plot it using:import matplotlib.pyplot as plt import numpy as np cnums = np.arange(5) + 1j * np.arange(6,11) X = [x.real for x in cnums] Y = [x.imag for x in cnums] plt.scatter(X,Y, color='red') plt.show()This will plot a graph of the numbers in a complex plane.

Preselect a Value in a Dropdown List in HTML Forms

Prabhas
Updated on 18-Jun-2020 06:01:47

6K+ Views

With HTML, you can easily create a simple drop down list of items to get user input in HTML forms. A select box also called drop down box provides an option to list down various options in the form of drop down list.You can also preselect a value in dropdown list of items in HTML forms. For that, add selected in the tag for the value you want to preselect.ExampleYou can try to run the following code to learn how to preselect value in a dropdown list of items works in HTML form −Live Demo       ... Read More

Avoid Wrapping Flex Items in Bootstrap on Different Screens

Ricky Barnes
Updated on 17-Jun-2020 15:17:47

158 Views

You can wrap the flex items on difference screen sizes, using the flex-*-nowrap class. As shown below, wrapping is avoided here −The above avoids wrapping of flex item on small and large screen size using the following code snippet −Flex items won't wrap (small screen size)   Ques 1   Ques 2   Ques 3   Ques 4   Ques 5   Ques 6   Ques 7   Ques 8   Ques 9   Ques 10   Ques 11   Ques 12   Ques 13   Ques 14 Flex items won't wrap (large screen size)   ... Read More

Bootstrap Tooltip Hide Method

Amit Diwan
Updated on 17-Jun-2020 15:15:09

3K+ Views

Use the tooltip(“hide”) method in Bootstrap to hide the tooltip. The tooltip hides on button click as shown below −$(".btn-default").click(function(){   $("[data-toggle='tooltip']").tooltip('hide'); });Above the data-toggle attribute can be seen which we set before on element. Now the toggle will generate from the link when the button is clicked −   Tooltip will be visible here You can try to run the following code to implement the tooltip(“hide”) method −ExampleLive Demo       Bootstrap Example                           ... Read More

Bootstrap 4 Card Img Overlay Class

Amit Diwan
Updated on 17-Jun-2020 15:13:25

596 Views

Use the card-img-overlay class to turn an image into a Bootstrap 4 card background and set the image using the element and the card-img-top class −After that, use the card-img-overlay class −   Avro   Tutorial for Apache Avro   Learn You can try to run the following code to implement the card-img-overlay class in Bootstrap 4 −ExampleLive Demo       Bootstrap Example                             Apach - Tool for Hadoop                         Avro         Tutorial for Apache Avro         Learn            

Add Right Rounded Corners to an Element in Bootstrap

Amit Diwan
Updated on 17-Jun-2020 15:11:13

197 Views

Use the rounded-right class in Bootstrap 4 to add right rounded corners to an element.Just set the class to be rounded-right to an element like below −Here, another class “one” is also set to style the element − .one {   width: 250px;   height: 120px;   background-color: #265C80;   margin: 20px; } Let us see an example to set right rounded corners to a rectangle −ExampleLive Demo       Bootstrap Example                             .one {       width: 250px;       height: 120px;       background-color: #265C80;       margin: 20px;     }             Rounded Corner       We have a rectangle with right rounded corner:      

Bootstrap 4 Card Img Bottom Class

Kristi Castro
Updated on 17-Jun-2020 15:09:23

528 Views

Use the card-img-bottom class in Bootstrap 4 to place an image at the bottom inside a Bootstrap 4 card.Set the card body, and within that, the card title and card text −   Quantitative Aptitude   For Entrance Exams   Sample Questions Now set image with class “card-img-bottom”−Let us see an example to learn how to implement Bootstrap 4 .card-img-bottom class −ExampleLive Demo       Bootstrap Example                             Quantitative Aptitude Questions Answers                   Quantitative Aptitude         For Entrance Exams         Sample Questions                    

Bootstrap Tooltip Toggle Method

Kristi Castro
Updated on 17-Jun-2020 15:07:38

592 Views

Use the tooltip(“toggle”) method in Bootstrap to togle the tooltip.The tooltip generates on clicking the button shown below −   Toggle Tooltip Toggle the tooltip on button click like the following code snippet −$(".btn-info").click(function(){   $("[data-toggle='tooltip']").tooltip('toggle'); });You can try to run the following code to implement the tooltip(“toggle”) method −ExampleLive Demo       Bootstrap Example                             Demo     Tooltip will be visible here          Show Tooltip      Hide Tooltip      Toggle Tooltip           $(document).ready(function(){     $(".btn-primary").click(function(){       $("[data-toggle='tooltip']").tooltip('show');     });   $(".btn-default").click(function(){     $("[data-toggle='tooltip']").tooltip('hide');   });   $(".btn-info").click(function(){     $("[data-toggle='tooltip']").tooltip('toggle');   }); });

Stretch a Flex Item in Bootstrap 4

Kristi Castro
Updated on 17-Jun-2020 15:05:39

509 Views

To stretch a flex item in Bootstrap 4, use the .align-self-stretch class.     Here, the 2nd flex item is stretched using the align-self-stretch class in Bootstrap −   A-one   B-one   C-one   D-one You can try to run the following code to stretch a flex item −ExampleLive Demo       Bootstrap Example                           Align Specific Flex Item and Stretch         A-one       B-one       C-one       D-one    

X.25 and Frame Relay

Ankith Reddy
Updated on 17-Jun-2020 15:04:06

17K+ Views

X.25X.25 is a protocol suite defined by ITU-T for packet switched communications over WAN (Wide Area Network). It was originally designed for use in the 1970s and became very popular in 1980s. Presently, it is used for networks for ATMs and credit card verification. It allows multiple logical channels to use the same physical line. It also permits data exchange between terminals with different communication speeds.X.25 has three protocol layers Physical Layer: It lays out the physical, electrical and functional characteristics that interface between the computer terminal and the link to the packet switched node. X.21 physical implementer is commonly used ... Read More

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