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QUE :- How to increase file uploading size in php using wamp/xampp/hosing sites?

SOLUTION:-

step 1:- firstly find php.ini file in apache bin folder and open the file
       for wamp and xampp:-
       -> Left click and then go on PHP and open php.ini file
              or
       -> go on link   =       C:\wamp\bin\apache\apache2.4.9\bin
step 2:- now search in that file as:- post_max_size now update that size as follows:-
                    post_max_size = 14M
       similarly update upload_max_filesize as follows:-
                     upload_max_filesize = 64M
step 3: Now restart the Server

Here you will find rarely found solutions on internet along with simple technical solutions. Please feel free to post your technical queries...For further help regarding any post please post your query in comment of respective post.

PROBLEM TITLE:-
How to create fixed length storage program in C language without using another file?
or
How to delete, update in a file without using another file?
or
How to perform basic operations on file(using single file only)?

Solution:-

#include<conio.h>
#include<stdio.h>
FILE *fp;
struct record
{
 char name[20];
 int rno;           //rollno
 int lno;           //recordno or line no

} r;

void insert()
{       int count=0,wti=0,wtip=0,i;    //wti=where to insert
 fp=fopen("try.txt","r");       //wtip=wti pointer
 if(fp==NULL)
 {
 puts("cannot open file");
  exit(1);
 }
 while(fscanf(fp,"%d %d %s",&r.lno,&r.rno,r.name)!=EOF)
 {
    count++;
  if(r.lno==0&&wtip==0)
  {
   wti=count;
   wtip=1;
  }

  //printf("\t%d \t%d \t%s\n",r.lno,r.rno,r.name);
 }
 //struct record *p=(struct record *)malloc(sizeof(struct record)*count);

 fclose(fp);
 i=0; wtip=0;
 fp=fopen("try.txt","r");
 if(count>=1&wti!=0)
 {       struct record r1;
  struct record *p=(struct record *)malloc(sizeof(struct record)*count);
  while(fscanf(fp,"%d %d %s",&r1.lno,&r1.rno,r1.name)!=EOF)
  {       if(i==wti-1&&wtip==0)
   {
    printf("please enter name and rollno:-");
    scanf("%s %d",r.name,&r.rno);
    r.lno=wti;
    p[i++]=r;
    wtip=1;
   }
   else
   p[i++]=r1;
  }

  fclose(fp);
  fp=fopen("try.txt","w+");
  for(i=0;i<count;i++)
  {
   fprintf(fp,"%d %d %s\n",p[i].lno,p[i].rno,p[i].name);
  }
  fclose(fp);

 }
 else
 {
  fp=fopen("try.txt","a");
  printf("\nPlease enter name and rollno:");
  scanf("%s %d",r.name,&r.rno);
  r.lno=count+1;
  fprintf(fp,"%d %d %s\n",r.lno,r.rno,r.name);
  //struct record *d=(struct record *)malloc(sizeof(struct record)*t);

 fclose(fp);
 }
}

void display()
{
 fp=fopen("try.txt","r");
 if(fp==NULL)
 {
  puts("cannot open file");
  exit(1);
 }
        printf("\tRECORD_NO \tRollNO \t\tNAME\n");
        printf("\t===========    =============   ==============\n");
  while(fscanf(fp,"%d %d %s",&r.lno,&r.rno,r.name)!=EOF)
  {
   printf("\t%d  \t\t%d  \t\t%s\n",r.lno,r.rno,r.name);
  }
        printf("\t===========    =============   ==============\n\n");

 fclose(fp);

}

void del()
{
int count=0,choice,i;
 fp=fopen("try.txt","r");
 if(fp==NULL)
 {
 puts("cannot open file");
 exit(1);
 }
 while(fscanf(fp,"%d %d %s",&r.lno,&r.rno,r.name)!=EOF)
 {
  count++;
  //printf("\t%d \t%d \t%s\n",r.lno,r.rno,r.name);
 }
  printf("please enter where you want to delete:-");
  scanf("%d",&choice);

 fclose(fp);
 fp=fopen("try.txt","r");
 i=0;
 if(count>=1&&choice<=count&&choice>0)
 {       //struct record r1;
  struct record *p=(struct record *)malloc(sizeof(struct record)*count);
  while(fscanf(fp,"%d %d %s",&r.lno,&r.rno,r.name)!=EOF)
  {
   p[i++]=r;
  }
  for(i=0;i<count;i++)
  {
   if(p[i].lno==choice)
   {
    r.lno=NULL;
    r.rno=NULL;
    r.name[0]='#';
    r.name[1]=NULL;
    p[i]=r;
   }
  }
  fclose(fp);
  fp=fopen("try.txt","w+");
  for(i=0;i<count;i++)
  {
   fprintf(fp,"%d %d %s\n",p[i].lno,p[i].rno,p[i].name);
  }
  fclose(fp);

 }
 else
 {
  printf("invalid record choice.....\n") ;
 }
}


void update()
{
int count=0,choice,i;
 fp=fopen("try.txt","r");
 if(fp==NULL)
 {
 puts("cannot open file");
 exit(1);
 }
 while(fscanf(fp,"%d %d %s",&r.lno,&r.rno,r.name)!=EOF)
 {
  count++;
  //printf("\t%d \t%d \t%s\n",r.lno,r.rno,r.name);
 }
  printf("please enter the location where you want to update:-");
  scanf("%d",&choice);

 fclose(fp);
 fp=fopen("try.txt","r");
 i=0;
 if(count>=1&&choice<=count&&choice>0)
 {       //struct record r1;
  struct record *p=(struct record *)malloc(sizeof(struct record)*count);
  while(fscanf(fp,"%d %d %s",&r.lno,&r.rno,r.name)!=EOF)
  {
   p[i++]=r;
  }
  for(i=0;i<count;i++)
  {
   if(p[i].lno==choice)
   {
    printf("please insert name and rollno:=");
    scanf("%s %d",r.name,&r.rno);
    r.lno=choice;
    p[i]=r;
    break;
   }
  }
  fclose(fp);
  fp=fopen("try.txt","w+");
  for(i=0;i<count;i++)
  {
   fprintf(fp,"%d %d %s\n",p[i].lno,p[i].rno,p[i].name);
  }
  fclose(fp);

 }
 else
 {
  printf("invalid record choice.....\n") ;
 }

 }

int main()
{
int ch;
clrscr();
fp=fopen("try.txt","r");       
 if(fp==NULL)
 {
 fp=fopen("try.txt","w");
 fclose(fp);
 }
 fclose(fp);
while(1)
{
 fflush(stdin);
 printf("Please enter your choice: among following:--\n");
 printf("1.Insert\n2.Display\n3.Delete\n4.Update\n5.Exit\n your choice:=");
 scanf("%d",&ch);
 clrscr();
 switch(ch)
 {
  case 1:insert();        break;
  case 2:display();             break;
  case 3:del();                       break;
  case 4:update();                          break;
  case 5: exit(0);
  default:printf("please enter right choice");

 }

}
//getch();
//return 0;
}