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The Internet has become a very important part of our daily lives and has its applications in wide areas.Some of the areas in which Internet is used are −CommunicationsEducation and researchInstant messagingOnline business and shoppingOnline financial servicesFile and data sharingDeveloping collaborative softwareDesign and development of applications and computing environmentsContent managementEntertainmentSocial networkingStorage of dataOnline publishing and digital newspapersGovernance and politicsDiscussion forumsCharityAudio and video conferencingTelephony (VoIP)The Internet offers a number of services, as enlisted below −Communication services - e.g. electronic mail, telnet, telephony (VoIP), newsgroups, and instant messagingInformation retrieval services – e.g. FTP, and GopherWorld Wide Web (www) servicesRead More
If you want to allow a user to upload an external file to your website, you need to use a file upload box, also known as a file select box. This is also created using the element but type attribute is set to file.ExampleLive DemoYou can try to run the following code to upload an external file to your website − File Upload Here are the attributes of the file upload box −Sr.NoAttribute & ... Read More
The architecture of the Internet is ever-changing due to continuous changes in the technologies as well as the nature of the service provided. The heterogeneity and vastness of the Internet make it difficult to describe every aspect of its architecture.The overall architecture can be described in three levels −Backbone ISP (Internet Service Provider)Regional ISPsClientsThe following diagram shows the three levels −Backbone ISP (Internet Service Provider) − Backbone ISPs are large international backbone networks. They are equipped with thousands of routers and store enormous amounts of information in data centers, connected through high bandwidth fiber optic links. Everyone needs to connect ... Read More
Use align-bottom class in Bootstrap 4 to align an element with the lowest element on the line.Set the class as −Now add content − Bottom Alignment You can try to run the following code to align an element with the lowest element on the line in Bootstrap 4 −ExampleLive Demo Bootstrap Example Example This is demo text Demo Baseline Top Alignment Middle Alignment Bottom Alignment
There are many sites which are a good resource for java interview questions-answers. Following is the list of most popular websites.Tutorialspoint - www.tutorialspoint.comStackOverflow - www.stackoverflow.comDZone - www.dzone.comWikipedia - www.wikipedia.orgIBM Developer Works - www.ibm.com/developerworks/java/TechGig - www.techgig.comGitHub - www.github.comJava documentation - docs.oracle.com/javase/Coursera - www.coursera.org/JavaWorld - www.javaworld.com/
The .modal(“hide”) method in Bootstrap hides the modal.Hide the Bootstrap modal on the click of a button −$("#button1").click(function(){ $("#newModal").modal("hide"); });The modal is shown using the modal(“show”) method −$("#newModal").modal("show");Let us see an example of the modal(‘hide”) method −ExampleLive Demo Bootstrap Example #button1 { width: 140px; padding: 20px; bottom: 150px; z-index: 9999; font-size:15px; position: absolute; ... Read More
Python comes with an amazing standard math library that provides all trigonometric functions like sin, cos, etc. You can import that library and use these functions. Note that these functions expect angles in radians. For example,import math angle1 = math.radians(90) angle2 = math.radians(60) print(math.cos(angle1)) print(math.cos(angle2))This will give the output:6.123233995736766e-17 0.5The first value is very close to zero. Such errors come due to computation limits.
Use the d-*block class in Bootstrap to create block on a specific screen width.You can set it for small, medium, large, and extra large screen size − d-sm-block d-md-block d-lg-block d-xl-block You can try to run the following code to implement the d-*-block class −ExampleLive Demo Bootstrap Example Blocks Resize the browser to check the effect block Small Screen Size Medium Screen Size Large Screen Size Extra Large Screen Size
Use the .d-*-flex class in Bootstrap to set a flexbox container on a screen size as shown below −d-flex d-sm-flex d-md-flex d-lg-flexAbove the flex is set for different screen sizes, for example,d-sm-flex = Flex for Small Screen Sized-md-flex = Flex for Medium Screen Sized-lg-flex = Flex for Large Screen Sized-xl-flex = Flex for Extra Large Screen SizeLet us see an example of the class −ExampleLive Demo Bootstrap Example Understanding Flex d-flex Small Screen Size Medium Screen Size Large Screen Size Extra Large Screen Size
To stretch gathered items, use the .align-content-stretch class in Bootstrap 4. Use the align-content-stretch class as −