Q&A Discussões

Is it necessary to use the court function with a switch statement? And does the case value always have to be a number? or can it be a letter or word?

12th Jul 2016, 4:27 AM

Biplove Ansh

c++switch

0 Voto

If we initialize an array of a custom class MyClass.java like this MyClass[] myClass = new MyClass[5]; then how can we instantiate member variable of that class through its setters methods?

30th Sep 2016, 7:11 PM

Danielle Gaston

arrays java

0 Voto

try: with open(filename, mode) as fileobj: # do something with the open file object except IOError as exc: # handle the exception Is any 1 can explain this code what is the use of try except when we use with for closing file?

12th Jul 2016, 1:02 PM

Saeed Ahmed Khan

close files python with

1 Voto

my account has been hacked and they took SD card from my phone as well. Can I get rid of the changes they have made on my phone, or time for a new phone?

31st May 2017, 11:05 AM

Nithya Mk

javascript

0 Voto

Hello i have an instagram robot that has an animated image at the top of the screen when i click pixel pixel how can i put it on

28th Jun 2016, 11:19 AM

Dawn

css html php

0 Voto

Can Some one plss help me with my program by the way i am a noob over all rating to my self but iwant to excell and improve

31st Aug 2019, 8:08 AM

Ali Reza

billion digits into switch text using

0 Voto

How I can receive a data from an end leaf of a binaritree and after this to cancel this leaf. I agoing to change the data of a

21st Aug 2019, 1:15 PM

Mark Jermay

0 Voto

Hello Everybody This Is My Html Code & Some css code i know many things for create website so what can i do to create my own web

7th Dec 2016, 3:38 PM

Emanuel Lozitsky

website

-2 Votos

Im a b.com student of 1st year. Can i get job as a web developer in company?? Is it okay if i choose my career in different line

21st Dec 2017, 12:49 PM

BINYAM GIRMA SEYOUM

code coding

0 Voto

I have taken commerce in 11th std cause I am not good with maths and I am planning to pursue BCA. Can I make my career in CS?

21st Mar 2019, 3:33 PM

Gaurav Rawat

computer cs

1 Voto

can anyone explain this output? #include <iostream> using namespace std; int x(int &a,int &b) { a=3; b=4; return a+b; } int main() { int a=2; int b=7; int c=x(a,a); cout <<a<<endl<<b<<endl<<c; } output:- 4 7 8

24th Jul 2017, 8:14 AM

MOHIT VAISHNAV

0 Voto

given three integer numbers and knowing that they form a valid triangle as (int side1, int side2, int side3), how can I use c++ library function max () to write a single statement that assigns the maximum of three sides to the variable sidemax;

23rd Aug 2016, 11:23 AM

Lekhraj Singh

1 Voto

Hai.. I tryd to open my emails but it unable it say i dnt hv this app.. Nw i hv it so how can i view my emails thru this app?

15th Jun 2016, 3:56 AM

Abdulai Torfik

html

0 Voto

If I try to use javac it will open the command prompt then quickly write something down then it closes before I can read it. How do I keep it open?

5th Nov 2016, 7:40 AM

nqobile

0 Voto

I can't understand what is the difference of void type data type to the other data types, can anyone explain what is the use of void data type to a program

17th Jul 2016, 12:36 AM

Jack

0 Voto

I have a PHP multiD array like array($arrayA, $arrayB, $arrayA, $arrayC, $arrayC, $arrayA...........) ho can I get a resulting array which have distinct elements from this array and sorted with the more occurance first like... array( $arrayA, $arrayB, $arrayC) because array $arrayA was 3 tumes in first array so it comes first in resulting array.

26th Aug 2016, 12:01 AM

Joshua Mariscotes

php

0 Voto

3 Respostas

1st Nov 2016, 5:56 AM

santosh ojha

In switch statements in cases if I had to give a expression like a <-1in case-1 then it show error so how can I make cases for such opertaions

c++switch

0 Voto

When you have a navigation Menu on top of an image slide what can you do to avoid it being curtailed by the opacity when you hover on it?

24th Sep 2016, 5:34 PM

VAIBHAV JAIN

css css3 opacity

0 Voto

i want to make the ball move up and down once as this ball is the black in the eye so it will be like a facial emotion how can i

1st May 2016, 12:08 PM

John Brown Shamala

animation html javascript problem website

-1 Voto

I want a program using file to be list of some student and I could search in it, delete a student and replace Can anyone write it for me plz?

27th Sep 2020, 6:51 PM

Youssef Ashraf

c++files

-1 Voto

i created a registration form using html i need to get all the details that typing on front page how can i code it in php pls explain and pgm

3rd Jan 2017, 11:15 AM

nima bahar

html

0 Voto

So guys... I've been making a custom calc and I was wondering how I would add different operations? Like how do i make it so I can choose an operation?

31st Aug 2016, 2:55 AM

jishnu v nair

c++operators

0 Voto

How can I make a reference for a list of variables. If false i want the system to check through all my variable to make sure they are false. Code- var2 = "Tanner" var3 = "Jake" question = input('What is your name? ') if question == var2: print('\nWelcome Back Tanner!') if question == var3: print('\nWelcome Back Jake!") if question !=( This is where i need help!)( Is the != the correct way to write not equal?)

4th Dec 2015, 8:34 AM

Chandler

list of python variables

0 Voto

4 Respostas

20th May 2017, 3:51 PM

Tanner

I made an unnumbered list in HTML5, and aligned it to the center. The dots in front of it stay on the left however. How can I align the dots to the middle

html

0 Voto

i want to make my code as neat as possible. This C++ teaches you. if (A<B) { cout << "Correct"; } can i actually do, if (A<B) { cout << "Correct"; } where my { put at below shouldent it be like this? and neater? Sorry for bad english.

2nd Oct 2016, 2:03 PM

Max

1 Voto

I am facing a big problem with my thinking power i am a student of 2nd year BCA(bh of computer appli)but when start i start to implement any idea my mind behave like a blank box mean no idea.......what can i do now?????

13th Jul 2016, 8:40 AM

Yeo HaoWei

0 Voto

hi. I have a program and I want it to close when i write a specific word and if we input another word it doesn't close. How can I do it?

29th Oct 2016, 7:06 AM

Happy Kukreja

1 Voto

I was writing this little game, but it's not working. I checked the code and it looks fine, but the output shows a 'EOFerror' when it is run. Can someone help?

31st Jul 2016, 11:58 PM

Alex

python3

0 Voto

How do I create a code to use input print to where somebody can see the print before the next input alert. For example if I want the hero to eat the inputed food then they see what happens.Then the hero saw a ghost then he did what ran or stay print last value.

22nd Sep 2016, 1:12 PM

1-up Man

inputs python

1 Voto

How can I write a one-line pseudocode to check if an odd integer number is written in reversed order still remains odd, example 1245 to 5421 is still odd, but 2135 to 5312 is even.

26th Dec 2016, 1:55 AM

Nate

0 Voto

when I have clicked on the build and run icon ,I got something like " as.exe.Entry point not found" instead of the "Hello world! " getting printed! can anyone explain what went wrong

15th Jun 2016, 6:56 AM

Abdulai Torfik

basics c++

0 Voto

can someone help me find some logic for this? The method PlaceInside gets a list of squares and returns them once inside each other with the same centre and placed so the biggest square lays on the X and Y axis..

14th Jun 2016, 8:33 AM

srija

0 Voto

I have an Input.txt file , output.txt file, and my .py file, i need to read all text from input file and add it at the START of output file.How can i do this?

11th Jul 2016, 5:14 PM

Shubham Agarwal

files python

0 Voto

Python provides an inbuilt function 'print' which h automatically generates a line break when it is called, then how can we generate a pattern as : 1 2 2 3 3 3 4 4 4 4 and so on.. using while loop ???

31st Aug 2016, 4:56 AM

Leshark

python

0 Voto

i took comp.science...itz my last yr n still unable to cop,bt looks this amazing gonna help me alot...I wanna what's fussing??is there anyone else with same prblm...may b two needless can turn into useful person...

18th Oct 2016, 8:27 AM

Piyush Bhatia

0 Voto

how can i create a delay for a text in C++ example output=> ok enter 2 numbers : un(user number) un(user number) now loading ... (delay 3 sec here) un + un = ... END

6th Jul 2016, 7:51 AM

Shashank Singh

0 Voto

Can someone give other examples of this? Like an example of a script name to be put in the SERVER code or at least a scenario of where and when to use this code? Thank you.

9th Jul 2016, 5:22 PM

mohamad

php predefined-variables

1 Voto

Hi! Everybody. I use an sqlite in firefox with an sqlite plugin, i got a database with some tables but when i execute the SHOW TABLES or SHOW TABLE an error occurred. Somebody can help me please!!!!

28th Sep 2015, 10:21 AM

Ciara Grace Tenorio

sql

0 Voto

How can i make a form in html and it posts to a php doc but still remains on the same page and displays like a little message ( i am trying to make a login page so trying to figure this out)

11th Mar 2016, 3:06 AM

Wal Fombrun Bouzi

form php

0 Voto

hi there. I have noticed that in the lesson you didn't gave the int datatype a size parameter. Does it mean that int parameter can hold lby default any integer no matter how many characters it consists of?

7th Feb 2017, 5:23 PM

Fateen Ahmad

sql tables

0 Voto

How is the condition in the part "while True" is met? It doesn't make any sense to me at all, can someone please explain it to me? I'm in the process of learning python, and I want to understand how every single aspect of its programming syntax works.

24th Sep 2015, 8:35 AM

George Shtalman

loops python

0 Voto

When I enter two numbers the sum comes.. but when I input character as yes not y... Then it goes into an infinite loop... can anyone explain why? int a,b; char ch; do { cout<<"Enter two numbers: "; cin>>a>>b; cout<<"The sum is "<<a+b <<"\nDo you want to try again (y/n): "; cin>>ch; }while(ch=='Y'||ch=='y');

30th Nov 2016, 10:41 AM

Logical_Cyclops

0 Voto

Using code playground, can someone tell me if the output for this code is normal or is something wrong with my code. It doesn't let me input velocity or time after I run it, is that normal for code playground? Total newbie to here. Just a simple code to calculate distance.

10th Oct 2016, 1:14 PM

Soutik

0 Voto

Can someone help me to solve this, I tried to create a new class, something came out and said "It seems that this project has not been built yet, do you want to build it now? " i had make sure that i did as what the tutorial taught

1st Oct 2016, 10:07 PM

Rushawn

c++classes

0 Voto

def add(x, y): return x + y def do_twice(func, x, y): return func(func(x, y), func(x, y)) a = 5 b = 10 print(do_twice(add, a, b)) Please explain step by step Which is caller here? Explain the 3rd and 4th line ? why in 4th line we write add(add(x,y),add(x,y)) which is function of 1st line ? how can we write function after return statement insted of (x+y+x+y )=30?

24th Jul 2016, 3:04 PM

christie

python

0 Voto

What does the word static mean in the part of the hello world program which says "public static void" ? It states the following about it which i put in the description but i dont quite understand what it means. Can someone explain it better?

29th Jul 2016, 7:22 PM

Rupam Das

1 Voto

Can somebody help me making a script which converts a txt file into an xml file Logic should be something which has a loop running which reads if 'pass' in line: then print testcase name: "",class=pass if pass or fail if test case fails.

23rd Aug 2016, 3:35 AM

Richard Kainer

bat jenkins python xml

0 Voto

how can i make to an search button when clicked to slide over an cover image and make it smaller to win space for search place and to make that smaller while is changed to another photo ?? please help me how to do that ..

31st Jan 2017, 6:26 PM

Rahul Goyal

css3 html java

0 Voto

can anyone here help me figure out the correct codes to use.. i want to make a wifi mic app that send an output audio to raspberry pi3. then to do so, i need to input an IP address from the app i plan to make.

22nd Oct 2016, 7:14 PM

Erjoni Hasanaj

-1 Voto