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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to check if a String contains another String in a case insensitive manner in Java?
One way to do it to convert both strings to lower or upper case using toLowerCase() or toUpperCase() methods and test.Examplepublic class Sample { public static void main(String args[]){ String str = "Hello how are you welcome to Tutorialspoint"; String test = "tutorialspoint"; Boolean bool = str.toLowerCase().contains(test.toLowerCase()); System.out.println(bool); } }Outputtrue
Read MoreHow to add background music to your web page?
To add background music on a web page, use … element. Also, use the autoplay attribute. This will run music in the background whenever the page loads.Set the width and height in a way the player hides on the web page. The loop attribute is added to specify whether the audio will start over again. Add the music file to the server and mention the link in src attribute.ExampleYou can try to run the following code to add background music to your web page: HTML background music ...
Read MoreBootstrap Collapsible in
The collapsible in class in Bootstrap is used to display the collapsible content.You can try to run the following code to implement the collapsible in class −Example Bootstrap Example Quiz Click below to toggle the button content. More Quizzes We have quizzes on Java, PHP, Ruby, Quantitative Aptitude, ASP.net, etc.
Read Morebg-light class for Bootstrap 4 cards
To set a light grey background for the Bootstrap 4 cards, use the bg-light class.Use “card bg-light” like any other class in Bootstrap − Image Editor The above gives a light grey background to the Bootstrap card.Let us see an example of the card-light class −Example Bootstrap Example Web Tools Image Editor Image Optimizer
Read MoreWrite a java program to tOGGLE each word in string?
You can change the cases of the letters of a word using toUpperCase() and toLowerCase() methods.Split each word in the string using the split() method, change the first letter of each word to lower case and remaining letters to upper case.Examplepublic class Sample{ public static void main(String args[]){ String sample = "Hello How are you"; String[] words = sample.split(" "); String result = ""; for(String word:words){ String firstSub = word.substring(0, 1); String secondSub = word.substring(1); result = result+firstSub.toLowerCase()+secondSub.toUpperCase()+" "; } System.out.println(result); } }OutputhELLO hOW aRE yOU
Read MoreCheck if a string contains a number using Java.
To find whether a given string contains a number, convert it to a character array and find whether each character in the array is a digit using the isDigit() method of the Character class.Examplepublic class ContainsExample { public static void main(String args[]){ String sample = "krishna64"; char[] chars = sample.toCharArray(); StringBuilder sb = new StringBuilder(); for(char c : chars){ if(Character.isDigit(c)){ sb.append(c); } } System.out.println(sb); } }Output64
Read MoreHow to use HTML5 localStorage and sessionStorage?
HTML5 introduced two mechanisms, similar to HTTP session cookies, for storing structured data on the client side and to overcome the following drawbacks.Cookies are included with every HTTP request, thereby slowing down your web application by transmitting the same data.Cookies are limited to about 4 KB of data. Not enough to store required data.The two mechanisms for storage are session storage and local storage and they would be used to handle different situations.Session StorageThe Session Storage is designed for scenarios where the user is carrying out a single transaction but could be carrying out multiple transactions in different windows at ...
Read MoreSet whether or not an element should be visible while not facing the screen with JavaScript?
Use the JavaScript backfaceVisibility property to set whether or not an element should be visible while not facing the screen.ExampleYou can try to run the following code to learn how to implement a backfaceVisibility property in JavaScript − div { width: 200px; height: 300px; background: blue; color: black; animation: mymove 2s infinite linear alternate; } @keyframes mymove { to {transform: rotateY(180deg);} } Check below to display backface Demo backfaceVisibility Property function display(x) { if (x.checked === true) { document.getElementById("box").style.backfaceVisibility = "visible"; } else { document.getElementById("box").style.backfaceVisibility = "hidden"; } }
Read MoreHow to set outline color with JavaScript?
To set outline color, use the outlineColor property in JavaScript. You can try to run the following code to learn how to implement outlineColor property − Example Live Demo #box { border: 2px solid red; } Demo Content Change outline color function display() { document.getElementById("box").style.outlineColor = "#FF5733"; document.getElementById("box").style.outline = "2px solid"; }
Read MoreHow to show image in alert box using JavaScript?
To show an image in alert box, try to run the following code. Here, an alert image is added to the custom alert box −Example function functionAlert(msg, myYes) { var confirmBox = $("#confirm"); confirmBox.find(".message").text(msg); confirmBox.find(".yes").unbind().click(function() { confirmBox.hide(); }); confirmBox.find(".yes").click(myYes); ...
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