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hoa [83]
2 years ago
15

Simple Java programming

Computers and Technology
2 answers:
Softa [21]2 years ago
3 0

I found the same answer on

g.o.o.g.l.e

fomenos2 years ago
3 0

Answer:

g.oogle

Explanation:

use your keyoard to type questions

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Write a C program (doublecopy) that allows a user to extract some part of an existing file (fileSource) and copy it twice to a n
Slav-nsk [51]

Answer:

Check the explanation

Explanation:

#include <stdio.h>

#include <sys/stat.h>

#include <stdlib.h>

#include <fcntl.h>

#include <errno.h>

#include <unistd.h>

extern int errno;

struct stat st;

int main(int argc, char **argv){

  int num1 = atoi(argv[1]); // Getting num1 from user

  int num2 = atoi(argv[2]); // Getting num2 from user

  char *fileSource = argv[3];

  char *fileTarget = argv[4];

 

  int source_fd = open(fileSource, O_RDONLY); // opening the file in read only mode

  int target_fd = open(fileTarget, O_WRONLY | O_CREAT); // opening the target file in Writeonly mode if file is not found it will create

   

  char *ch = (char *) calloc(num2+num1, sizeof(char));

 

  stat(fileSource, &st);

  if(st.st_size < (num1 + num2)){

      printf("File Size is smaller than the specified bytes\n");

      read(source_fd, ch, st.st_size); // reading the file upto the end

      write(target_fd, ch, st.st_size); // write to the file

      write(target_fd, ch, st.st_size); // two times writing to the file

  }else{

      if(lseek(source_fd, (off_t)num1, SEEK_SET) < 0 ) // moving the cursor to after the specified bytes from the start

      {

          printf("Some Error occured while seeking the file");

          return -1;

      }

      read(source_fd, ch, num2); // reading num2 bytes from the source

      write(target_fd, ch, num2); // writing two times to the target

      write(target_fd, ch, num2);

     

  }

 

  return 0;

 

}

1 2 #include <stdio.h> #include <sys/stat.h> #include <stdlib.h> #include <fcntl.h> #include <errno.h> #include <unistd.h> 4

The code screenshot and code output are attached below.

3 0
3 years ago
5 things that i learned about internet safty
Ksenya-84 [330]
1. To not put your real name in a username
2. Don't give people your personal information
3. Tell your parents if someone messages you something and you don't know them
4. make your social media accounts private
5. Ask for a adult for help if you see something that confuses you
7 0
3 years ago
Read 2 more answers
8.2 code practice edhesive?
Illusion [34]

Answer:

temperatures = []

i = 0

while i < 5:

   try:

       t = int(input('Enter a temperature: '))

       temperatures.append(t)

       i += 1

   except ValueError:

       print('Enter a number')

print(temperatures)

Explanation:

Hope this helps!

6 0
3 years ago
A data analyst is using the Color tool in Tableau to apply a color scheme to a data visualization. They want the visualization t
alina1380 [7]

Answer:

Color contrast is the difference in light between font (or anything in the foreground) and its background.

Explanation:

In web accessibility, how well one color stands out from another color determines whether or not most people will be able to read the information.

Contrast makes things look different and stand out

6 0
3 years ago
Suppose for the worst case, given input size n: Algorithm 1 performs f(n) = n2 + n/2 steps Algorithm 2 performs f(n) = 12n + 500
melomori [17]

Answer:

29

Explanation:

for n=28:

--------------

Algorithm 1 performs f(n) = n2 + n/2 = 28*28 + 28/2 = 798

Algorithm 2 performs f(n) = 12*28 + 500 = 836

for n=29

--------------

Algorithm 1 performs f(n) = n2 + n/2 = 29*29 + 29/2 = 855.5

Algorithm 2 performs f(n) = 12*29 + 500 = 848

so, for n=29, algorithm 2 will be faster than algorithm 1

6 0
3 years ago
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