Trending questions in Edureka Community

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C++ - upcasting and downcasting

As an example: Shouldn't the second d.print() call during upcasting print "base"? Isn't it a "d" derived object that has been upcasted to a base class object? And what advantages does downcasting have? Could you describe upcast and downcast in more detail? #include <iostream> using namespace std; class Base { public: ...READ MORE

Jul 26, 2022 in C++ by Nicholas
 • 7,760 points • 987 views
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Is there an "exists" function for jQuery?

Yes! The $. fn. exists example is replacing ...READ MORE

Aug 4, 2022 in Web Development by rajatha
 • 7,680 points • 642 views
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trying to align html button at the center of the my page

For example: HTML <div> <button>Submit</button> </div> CSS button { margin:auto; ...READ MORE

Aug 4, 2022 in HTML by Deepak
 • 980 points • 659 views
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Is there a plugin or example of a jquery slider working with non-equably divisible values?

You could do it using jquery's slider ...READ MORE

Aug 2, 2022 in Web Development by rajatha
 • 7,680 points • 702 views
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How does sizeof know the size of the operand array?

It could be a silly question, but ...READ MORE

Aug 17, 2022 in C++ by Nicholas
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edited Mar 4 • 94 views
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Why typescript complains that XXX is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint X?

My code is this: export interface TreeItem { ...READ MORE

Jul 13, 2022 in TypeSript by Logan
 • 2,140 points • 1,543 views
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Define an <img>'s src attribute in CSS

The src attribute of an image must ...READ MORE

Aug 17, 2022 in CSS by Edureka
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edited Mar 4 • 85 views
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How do I set up Visual Studio Code to compile C++ code?

Although the Visual Studio Code editor from ...READ MORE

Aug 17, 2022 in C++ by Nicholas
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edited Mar 4 • 88 views
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Turning jquery into an includable, callable function

I'm so frustrated! As an ok PHP ...READ MORE

Aug 8, 2022 in Web Development by gaurav
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jQuery Slide toggle and fade in issue

As you can see when clicking on ...READ MORE

Jul 28, 2022 in Web Development by gaurav
 • 23,260 points • 907 views
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1 answer

How can I use CSS to style multiple images differently?

You can do that in HTML (delete ...READ MORE

Jun 21, 2022 in CSS by Edureka
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How to cast jQuery $.ajax calls to Bluebird promises without the deferred anit-pattern

jQuery have promises implemented with their AJAX ...READ MORE

Aug 1, 2022 in Web Development by rajatha
 • 7,680 points • 726 views
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3 answers

Python pandas: TypeError: tuple indices must be integers or slices, not str

In fact, I get a perfectly good ...READ MORE

Jun 13, 2019 in Python by Alok
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Mail is not sending in php

My code to send mail from PHP: ...READ MORE

Jul 28, 2022 in PHP by Kithuzzz
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Vertical Text Direction

I've been attempting to make text move ...READ MORE

Aug 17, 2022 in CSS by Edureka
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edited Mar 4 • 70 views
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Expand collapse text with html

I want to make a text bigger ...READ MORE

Jul 26, 2022 in HTML by Ashwini
 • 5,430 points • 1,022 views
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PHP - If variable is not empty, echo some html code

If a variable is not empty, I ...READ MORE

Jul 24, 2022 in HTML by Ashwini
 • 5,430 points • 1,104 views
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jQuery tabs callback after "show" animation

I have a link to a jQuery ...READ MORE

Jul 29, 2022 in Web Development by gaurav
 • 23,260 points • 897 views
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How to add/update an attribute to an HTML element using JavaScript?

I'm looking for a JavaScript method to ...READ MORE

Aug 1, 2022 in HTML by Ashwini
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Sorting arrays in NumPy by column

How can I sort a numpy array ...READ MORE

Aug 2, 2022 in Python by krishna
 • 2,820 points • 709 views
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Video is not supported in html5

I have the latest FF and I ...READ MORE

Aug 3, 2022 in HTML by Ashwini
 • 5,430 points • 665 views
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1 answer

Setting the value of REM for all the properties in CSS

We've covered this in comments, but essentially ...READ MORE

Jun 28, 2022 in CSS by Edureka
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What does it mean that Java arrays are homogeneous, but ArrayLists are not?

If I got a Type[] array, I ...READ MORE

Aug 1, 2022 in Java by krishna
 • 2,820 points • 742 views
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TypeError: Converting circular structure to JSON in nodejs

Code : var formData = ({first_name:firstname,last_name:lastname,user_name:username, email:email,password:password}); ...READ MORE

May 13, 2022 in Java-Script by Kichu
 • 19,040 points • 4,138 views
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Simple Registration page info is not added to database using localhost

When I use localhost, after completing my ...READ MORE

Jul 24, 2022 in Web Development by Kithuzzz
 • 38,000 points • 1,045 views
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Best XML Parser for PHP

I've used the XML Parser before, and ...READ MORE

Jul 29, 2022 in PHP by Kithuzzz
 • 38,000 points • 837 views
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How to show message in model body if bootstrap model have no data in jquery

I'm trying to display a text message ...READ MORE

Jul 29, 2022 in Web Development by gaurav
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how to use for loop inside HTML template?

I utilize a marionette view with an ...READ MORE

Jul 8, 2022 in HTML by Tejashwini
 • 3,820 points • 1,766 views
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How do I add a border to an image in HTML?

How do I use HTML to add ...READ MORE

Aug 16, 2022 in HTML by Deepak
 • 980 points
edited Mar 4 • 75 views
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localhost/phpinfo.php

Wen I tried - http://localhost/phpinfo.php in google chrome ...READ MORE

Jun 14, 2022 in PHP by narikkadan
 • 63,600 points • 2,721 views
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HTML page on load should open a default phone dial screen with phone number

I have example.com/phonecall as a URL. When a ...READ MORE

Aug 1, 2022 in HTML by Ashwini
 • 5,430 points • 736 views
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1 answer

How to read local csv file in JavaScript/TypeScript?

Here is how to use the readAsBinaryString() from the FileReader API ...READ MORE

Jun 9, 2022 in TypeSript by Nina
 • 3,060 points • 2,995 views
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Switch php versions on commandline ubuntu 16.04

On my Ubuntu 16.04, I've installed PHP ...READ MORE

Jul 30, 2022 in PHP by Kithuzzz
 • 38,000 points • 834 views
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Detect MacBook trackpad two-finger tap with JavaScript/jQuery

I wonder if there's any way to ...READ MORE

Jul 29, 2022 in Web Development by gaurav
 • 23,260 points • 861 views
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Typescript error (2345) when pushing element to array of elements(React js)?

I'm pretty new to Typescript and I ...READ MORE

Jul 5, 2022 in TypeSript by Nina
 • 3,060 points • 1,892 views
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Create a folder if it doesn't already exist

In a few instances, when installing WordPress ...READ MORE

Jul 31, 2022 in PHP by Kithuzzz
 • 38,000 points • 790 views
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How to export PHP/MYSQL data to PDF?

When I develop a student information form ...READ MORE

Jul 31, 2022 in PHP by Kithuzzz
 • 38,000 points • 789 views
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Pound key/Hash key/hashtag in php arrays

I am working in some technology stacks ...READ MORE

Aug 1, 2022 in Others by krishna
 • 2,820 points • 721 views
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Where to find TypeScript version in Visual Studio?

If you only have TypeScript installed for ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 3,144 views
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Selecting parent's next sibling's children in jQuery

This is an illustration of a part ...READ MORE

Aug 4, 2022 in Web Development by gaurav
 • 23,260 points • 552 views
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1 answer

jQuery .html() vs .append()

You have the :hover pseudo on your CSS. While ...READ MORE

Aug 4, 2022 in Web Development by rajatha
 • 7,680 points • 578 views
0 votes
1 answer

"We do not use C++ exceptions" — What's the alternative? Let it crash?

If you don't utilise exceptions, by definition, ...READ MORE

Aug 2, 2022 in C++ by Damon
 • 4,960 points • 633 views
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Remove Image background with php and save transparent png

I am working on functionality that removes ...READ MORE

May 27, 2022 in PHP by Kichu
 • 19,040 points • 3,494 views
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1 answer

Smooth scrolling when clicking an anchor link

document.querySelectorAll('a[href^="#"]').forEach(anchor => { anchor.addEventListener('click', ...READ MORE

Jun 20, 2022 in JQuery by rajatha
 • 7,680 points • 2,488 views
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1 answer

'adb' is not recognized as an internal or external command, operable program or batch file

Set the path of adb into System ...READ MORE

Feb 16, 2022 in Others by Aditya
 • 7,680 points • 7,842 views
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1 answer

Examples of good gotos in C or C++

Here's one method I've heard of folks use. But I've never seen it in the wild.  And that only pertains to C since RAII allows you to accomplish this more idiomatically in C++. void foo() { if (!doA()) ...READ MORE

Aug 2, 2022 in C++ by Damon
 • 4,960 points • 629 views
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Which is better way to calculate nCr

Approach 1: C(n,r) = n!/(n-r)!r! Approach 2:  I discovered this in Wilf's book Combinatorial Algorithms: C(n,r) may be represented as C(n-1,r) + C (n-1,r-1). e.g. C(7,4) = C(6,4) + ...READ MORE

Jul 25, 2022 in C++ by Nicholas
 • 7,760 points • 1,020 views
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0 answers

Jquery Masonary and item filtering does not work together

I am using a small js filter ...READ MORE

Jul 25, 2022 in Web Development by gaurav
 • 23,260 points • 866 views
0 votes
1 answer

How to create material design input form using css and bootstrap?

Try with this code. HTML: <div class="main_div"> ...READ MORE

Jun 21, 2022 in CSS by Edureka
 • 12,710 points • 2,698 views
0 votes
0 answers

Make a full screen CSS background image appear "behind" a mobile keyboard

I've set an HTML/CSS full-screen background image ...READ MORE

Jul 18, 2022 in CSS by Edureka
 • 13,670 points • 1,307 views
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