Trending questions in Edureka Community

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What is the best way to use a HashMap in C++?

The ordered and unordered map containers (std::map and std::unordered map) are included in the standard library.  The items in an ordered map are sorted by key, and insert and access are in O (log n).  For ordered maps, the standard library often use red black trees.  However, this is only an implementation detail.  Insert and access are in O in an unordered map (1).  It is simply another term for a hashtable. An illustration using (ordered) std::map: #include <map> #include <iostream> #include <cassert> int main(int argc, char ...READ MORE

Jun 10, 2022 in C++ by Damon
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Is there a better way to run a command N times in bash?

In the event that your reach has ...READ MORE

Jun 16, 2022 in Linux Administration by Korak
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How to convert an array to object in PHP?

How can I convert an array like ...READ MORE

Jun 18, 2022 in PHP by narikkadan
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Why variance in R is different? [duplicate]

There are usually two methods for calculating ...READ MORE

Jun 14, 2022 in Data Analytics by Sohail
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Dynamically set the value of a filter based on a parameter selection in use to swap sheets

Here's a simplified example of the calculated ...READ MORE

Apr 29 in Tableau by anonymous
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Using session_name() in PHP - Cannot Access Data

When I use: session_name( 'fObj' ); session_start(); _SESSION['foo'] = 'bar'; Subsequently ...READ MORE

Jun 20, 2022 in PHP by Kithuzzz
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How to check if PHP array is associative or sequential?

Can someone please suggest to me an ...READ MORE

Jun 14, 2022 in PHP by narikkadan
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A Generic error occurred in GDI+ in Bitmap.Save method

I am trying to copy a thumbnail ...READ MORE

May 23, 2022 in Others by Kichu
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Why is it not advisable to use attach() in R, and what should I use instead?

There is one more option that applies ...READ MORE

Jun 24, 2022 in Data Science by Sohail
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Should I use px or rem value units in my CSS?

The answer is yes because using px ...READ MORE

Jun 21, 2022 in CSS by Edureka
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Can I display a TV channel from TV tuner card using NodeJS for an Electron APP?

Tvheadend is a streaming server for live ...READ MORE

Jun 10, 2022 in Node-js by Neha
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PHP Merge 2 Images (Insert Face To An Image)

I have 2 images. one face image ...READ MORE

May 27, 2022 in PHP by Kichu
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R: use of "where" to select rows by matching an element from a list

I'm trying to utilise R's "where" function ...READ MORE

Jun 10, 2022 in Data Analytics by Avinash
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small-caps font in css handles numbers as capital letters

Because numbers are not letters, they do ...READ MORE

May 28, 2022 in CSS by Edureka
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Prevent nginx 504 Gateway timeout using PHP set_time_limit()

I am getting 504 timeout messages from ...READ MORE

Jun 11, 2022 in PHP by narikkadan
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Filter array by its keys using an array of allowed keys

The callback function in array_filter() only passes in the ...READ MORE

Jun 20, 2022 in PHP by narikkadan
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Google Chrome Update - Issue with copying code from Inspector CSS

You can disable it via the Settings > ...READ MORE

Jun 21, 2022 in CSS by Edureka
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How are session variables accessed in PHP?

How does PHP or any other language ...READ MORE

Jun 20, 2022 in PHP by narikkadan
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Counting the number of elements with the values of x in a vector

You may simply use the table() method: > ...READ MORE

Jun 14, 2022 in Data Analytics by Sohail
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Write formula to Excel with Python

Using python to add formulas to an ...READ MORE

Mar 31, 2022 in Database by gaurav
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Making POST request to discord server in nodejs

You'll need to solve the captchas; I ...READ MORE

May 30, 2022 in Node-js by Vaani
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Android - How can I find location using just PINCODE?

1 You can find a location (latitude, longitude) ...READ MORE

Jun 1, 2022 in Others by nisha
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How to change maximum viewable tables from 250 to anything in PhpMyadmin?

I wanted to increase my list of ...READ MORE

Jun 10, 2022 in PHP by narikkadan
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Compare $1 with another string in bash

The explanation $1 doesn't match is on ...READ MORE

Jun 13, 2022 in Linux Administration by Korak
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Salesforce Apex SingleEmailMessage with Template to User not contact

// Pick a dummy Contact Contact c ...READ MORE

Mar 17, 2022 in SalesForce by CoolCoder
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edited Jun 27, 2023 by Khan Sarfaraz 4,536 views
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What does na.rm=TRUE actually means?

Whenever we want to have NA in ...READ MORE

Jun 9, 2022 in Data Analytics by Avinash
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796 views
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What is LINQ and what does it do

LINQ or Language Integrated Query may refer to: a ...READ MORE

Jun 21, 2022 in C# by jyoti
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Hot to display 😀😠as emoji to PHP

I stored emojis in my database and ...READ MORE

Jun 12, 2022 in PHP by narikkadan
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online tool for css to scss convertor

Click the URL button, then enter the ...READ MORE

Jun 17, 2022 in CSS by Edureka
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When to use abstract classes

When you need a class for inheritance ...READ MORE

Jun 17, 2022 in C# by jyoti
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551 views
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Are there any man pages that summarize bash scripting?

Regardless of whether man pages are exceptionally ...READ MORE

Jun 13, 2022 in Linux Administration by Korak
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587 views
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PHP Array to JSON Array using json_encode();

I have encoded an Array I've made using ...READ MORE

Jun 13, 2022 in PHP by narikkadan
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648 views
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What are DDL and DML?

DDL DML DDL stands for Data Definition Language. DML stands ...READ MORE

Jun 1, 2022 in Others by Sohail
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What does the ! (exclamation mark) do in TypeScript?

The exclamation mark is called the non-null ...READ MORE

Jun 1, 2022 in TypeSript by Nina
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1,125 views
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Difference between the == and %in% operators in R

percent in percent "returns a vector of ...READ MORE

Jun 20, 2022 in Data Science by Sohail
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698 views
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Why isn't Array a generic type

They basically copied the concept of arrays ...READ MORE

Jun 21, 2022 in C# by jyoti
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How Convert VB Project to C#

I have a VB project that has ...READ MORE

Jun 11, 2022 in C# by jyoti
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df -h if freespace equals then | bash

Try this out: destination="$HOME/Desktop/sandbox" freespace="$(df -h / | tail ...READ MORE

Jun 13, 2022 in Linux Administration by Korak
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How to use std::sort to sort an array in C++

We receive std::begin and std::end in C++0x/11, which are overloaded for arrays: #include <algorithm> int main(){ int v[2000]; ...READ MORE

Jun 1, 2022 in C++ by Damon
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When should you use C# indexers

First, let's talk about indexer. Class (or struct) ...READ MORE

Jun 23, 2022 in C# by krishna
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What is the difference between ' and " in PHP?

What is the difference between ' and ...READ MORE

Jun 17, 2022 in PHP by narikkadan
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469 views
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How to trigger a click on a link using jQuery

$( "#foo" ). trigger( "click" ); As of jQuery ...READ MORE

Jun 10, 2022 in JQuery by rajatha
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707 views
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What exactly does stringstream do?

When converting between strings and other numerical kinds, stringstream can be very useful.  Stringstream is comparable to iostream in terms of usage, so learning it is not difficult. Stringstreams can be used to read strings as well as write data into them.  It mostly works with a string buffer instead of an actual I/O channel. The stringstream class's fundamental member functions are as follows: str() is a function that returns the contents of a buffer as a string. str(string), which changes the buffer's contents to the string argument. Here's an example of how string streams can be used. ostringstream os; os << "dec: " << 15 ...READ MORE

Jun 13, 2022 in C++ by Damon
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578 views
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Android Development: Service not registered: com.google.android.gms.common.internal.bf

you may want to try GoogleMapOptions options ...READ MORE

Jun 6, 2022 in Others by nisha
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Instagram jQuery Search not showing anything

The latest changes in Instagram has affected ...READ MORE

Jun 16, 2022 in JQuery by rajatha
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474 views
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Match Android apk SHA256 with SafetyNet apkCertificateDigestSha256

Google depreciated SafetyAPI and Introduced PlayIntegrity API ...READ MORE

Jun 6, 2022 in Others by nisha
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How to host MEAN stack application with Angular and nodejs on windows IIS

It's fine that you're using Angular. Be ...READ MORE

May 27, 2022 in Node-js by Neha
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1,304 views
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com.android.builder.internal.aapt.v2.Aapt2Exception: Android resource compilation failed after updating android studio

I am getting this error after updating ...READ MORE

May 13, 2022 in Others by Kichu
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What is the name of the "<<" and ">>" operators? [duplicate]

According to cplusplus.com's documentation: This operator (<<) applied to ...READ MORE

Jun 20, 2022 in C++ by Damon
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PHP server on local machine?

I want to test my PHP file ...READ MORE

Jun 19, 2022 in PHP by narikkadan
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