Discussions Q&R

Can we overload Main method in Java? And what if if did overload it i.e. from which method the main thread will start from?

17th Apr 2016, 4:44 PM

Sondra R. Coffin

java main methods query

1 Vote

in java we can tell what's the exact error by using catch(Exception e){ e.printStackTrace(); //or System.out.println(e.getMessage()); // or just printing the exception class } is that possible in python in any way ?

21st Nov 2017, 6:34 PM

Riyashi Chandak

exceptions python

3 Votes

5 Réponses

10th Sep 2016, 2:47 PM

Hossam Mahmoud

Can anyone explain me what is complex numbers in python? How do we represent it? What z.real and z.imag does? Explain in detail

input

0 Vote

Is regVar in public a variable? Why It has no data type..? And why do we use & before obj(&obj). 'Obj.regvar' i don't get it ?

26th Aug 2020, 7:16 AM

zeeshan

c++classes friend

2 Votes

How can we print a image which in phone in the out put using c program in phone itself?

13th Feb 2017, 7:28 AM

Black Temple

-1 Vote

How can we show the name of the visitor's phone brands on our website with the help of userAgent

23rd Jan 2020, 3:22 PM

Sumanth Chennamsetty

javascript

0 Vote

if we will not declare how many elememt an array will story (int a[];)than it will hold unlimited value?

4th Mar 2021, 8:40 AM

Rupesh

arrays c++

1 Vote

Why i can't nest <ul> element inside the <p> element whereas we can nest <ul> element inside the <div> element?

26th Dec 2015, 4:06 AM

Akarsh

html5

0 Vote

free(ptr); Even though we are just proving ptr, How it assumes exact size of memory allocated first to be freed?

24th Jun 2021, 8:02 AM

Kiran Chaudhary

c free malloc

0 Vote

Did we should to know a new language of software development or the rules and technical of programming?

12th Oct 2018, 8:37 PM

TheEngineerIN

engineers many_languges software

0 Vote

Can any one explain need of strings as already we have characters which can be used as string?

19th May 2020, 11:56 PM

Hichem Abdi

0 Vote

Why we use method overriding and method overloading in there any such use of them can anyone explain

18th Oct 2017, 11:36 AM

Akhil Gorantla

java polymorphism

0 Vote

Can we declare a variable as static final and assign a value to it in the next line?

2nd Jul 2017, 5:31 PM

Jayram

final java

0 Vote

The address of a variable can be directly accessed by Ampersand....Then why do we use pointers isn't useless....

28th Jul 2016, 4:48 AM

Selva Kumar

ampersand c++pointers

0 Vote

Why we use same name of instance variable as the argument name( of initialize method) followed by @

15th Dec 2018, 12:20 PM

Aamir Mehmood

classes ruby

0 Vote

Normally we write iostream.h but in this app it is writen iostream so that's correct or not ?

2nd Dec 2016, 12:57 PM

abhishek sharma

c++variables

0 Vote

I've just found PyPy.js: could we use it to run python in web codes and then use it to change html?

17th Nov 2016, 10:41 AM

Rajkumar Sharma

graphics html javascript pypy pypy.js python

1 Vote

Hello guys.! What type of search is implemented when we check whether an element is present in a list in Python?

12th Oct 2018, 3:19 PM

Daniele Bonomi

cpython lists

1 Vote

We are creating our own application for taking screenshots. It has an option to set a name for screenshot-file to be saved. If u

7th Oct 2017, 7:35 PM

Vishnu#

0 Vote

i take it we are finding random integers within 1 and 6 here? also is random a real module or just used as an example for us to

28th Oct 2021, 5:47 PM

Manish Kumar Shah

modules python

1 Vote

i wanna know if we can say that html 5 is not in the need of a css file ! or css3 give us more freedom in our code !!

25th Jan 2020, 4:11 PM

Corola

<doctype

4 Votes

Nohow can learn to use mysql, i understand that we save all there , but how to connect with it i cant

1st Feb 2017, 10:18 PM

HaMza BouRouissa

attention fo thanks

0 Vote

I see coding challenges that often seem abstract. Can we get real life challenges that some of the experienced people did ?

7th Sep 2017, 9:31 AM

Nasibillo Muhamedov

challenges javascript

3 Votes

why dont we use #include<stdio. h>or conio. h as headers here and why read line write line instead of printf and scanf?

14th May 2017, 10:29 PM

Steven Apell

c#comments

0 Vote

Why cant we use strings in user defined function ...how to use string in user defined function?????

14th Oct 2016, 11:53 AM

Nikhil Gowda

c++strings

-1 Vote

Then how can we express the answer of 1/3 in python .or whats the results of that

4th Jan 2019, 11:28 AM

Aamir Mehmood

data-types python

-1 Vote

Why do we have a heading tag if it's the same thing as using h1, h2 etc

10th Jul 2017, 4:16 PM

Darwin

html html5

1 Vote

Why we are give a parrent class refference at the time of object creation of child class?

2nd Jul 2016, 5:05 AM

Mario Fuentes

abstract-classes core inheritance java

0 Vote

How much lessons should we master before starting to practice problems on sites like Codechef etc ?

5th Sep 2017, 6:27 PM

Shivam Jamaiwar

python python3

0 Vote

Is there is a way that we can code for RGB to appear as a color pad?

27th May 2017, 9:48 AM

Abhishek Jain

colors html

0 Vote

We can make pragrame like .. Just enter age of person then it describes its all info

29th Dec 2016, 8:28 PM

Roxie

-1 Vote

Write a program that gives us no. Of 1's and 0's when we enter a decimal no?

23rd Jul 2017, 7:26 PM

shubhankar pawar

-3 Votes

Can anyone tell me why our main()'s data type is integer? and why we return "0" ?

24th Oct 2017, 9:27 AM

Rashid Nazeer Khan

1 Vote

What is that static and void required for ..can't we run with simple static or with void?

3rd Oct 2016, 4:40 AM

Nasser

java void

0 Vote

In which scenario we use method overloading.? Or what is the use of this provision in programming?

24th Jul 2016, 9:24 AM

Suneeth

c#methods

1 Vote

Are we use SELECT *FROM TABLENAME; for show displays information contained in the database and its tables?

21st Jul 2016, 4:01 AM

anu Joseph k

sql

0 Vote

0 Réponse

11th Jul 2018, 4:46 PM

RAJKUMAR

How do we write a program to illustrate constructors and destructors by passing unary and binary operators?

0 Vote

how Compiling and Running Java Programs in Terminal - Ubuntu .linux kali.. or we can use eclipse

11th Jul 2017, 10:32 AM

Sai Yerni Akhil

0 Vote

Does anyone else think we need a download resources button like on the individual apps? Up vote?

24th Dec 2016, 5:49 PM

mohammed faijel

download offline suggestions

0 Vote

There must b some questions in which we must write a full program for a given question.

26th Oct 2016, 9:19 PM

Jeremiah Tablet

a program question write

1 Vote

what is output of the code?and explain here how argument pass,why we use test in these program

1st Nov 2016, 1:14 PM

MSK

0 Vote

What are the basic list of programming languages that we require to build an android app ??

29th Jun 2016, 3:03 AM

D.REVATHI

android app design java Layout material sql ui xml

0 Vote

Can we use show customers;. Select column_list from customers;. In the place of select * from customers.

15th Nov 2017, 3:08 PM

Rishabh

sql

0 Vote

Will it throw error or crash if we use the void returning method in a assignment statement?

24th Dec 2016, 7:47 PM

ankur jain

c#methods void

0 Vote

In java why we can not assign the value second time in a program in this app.

9th Aug 2016, 11:50 AM

Antony Stinil

1 Vote

How come we can extract the particular delay values from each row and there are 80000 rows.

11th Jan 2017, 4:15 PM

sonofknight man

python python3

0 Vote

can any one tell me how to start challenges in Python app like we play in C++?

5th Nov 2016, 7:13 AM

Dhiraj Harshe

python

0 Vote

How can we delay the time between the 'output' of 'print' statements at console screen without any further input from the user ?

13th Oct 2016, 1:27 AM

Sanjeev Pratap Singh

c help outofbox thanks

1 Vote