All Discussions - EmbLogic

Interview Questions: Project 03
0★ 6B 301E Most recent by vikassinghweb7August 2019003 Linux System Programming

Please post the Interview Questions and Answers related to Linux Programming using Inter-Process Communication, Synchronization and Threads here.
001.07.Structures Programming using Functions
0★ 2B 166E Most recent by spatlouJuly 2019001 C Programming, Data Structures

You are invited to put in all queries/resolutions/advice/articles/discussion related toStructures Programming using Functions here...
Summarize Your Day Here
0★ 82B 493E Most recent by manny170593July 2019Query

Hi.
bit manipulation and bit fields , compilation process , basic data types.
0★ 1B 56E Started by akashravindra98June 2019Query

created the custom size bit data types , structures and print its size. discussed the 6 phases of compilation.understanding of interpretation +ve and -ve numbers in system(2's compliment)
Tagline for Emblogic
0★ 1B 54E Started by grishabh355June 2019Query

1-Way better than just engineering2-adding engineering to next built3-exploring new possibilities
error
0★ 2B 62E Most recent by ashrafumair21June 2019Pravjot Sir Classes

@page { margin: 0.79in } p { margin-bottom: 0.1in; line-height: 120% } 11) removing bracket of stdio.h hello.c:4:2: warning: incompatible implicit declaration of built-in f…
Dynamic Array in C++
1★ 1B 47E Started by ashrafumair21June 2019Pravjot Sir Classes

In C++ sessions there was an example in which an array was resized at runtime to hold realtime data of undefined iterations, without creating any new array with bigger size and replacing as done in v…
Dynamic Array in C++
1★ 1B 43E Started by ashrafumair21June 2019Query

In C++ sessions there was an example in which an array was resized at runtime to hold realtime data of undefined iterations, without creating any new array with bigger size and replacing as done in v…
error
0★ 1B 51E Started by harshitsingh0707June 2019Pravjot Sir Classes

@page { margin: 0.79in } p { margin-bottom: 0.1in; line-height: 120% } ERROR 1) removed ; in printf hello.c:6:2: error: expected ‘;’ before ‘return’ return(0); …
Shared memory
0★ 1B 50E Started by rdheresskstarMay 2019Pravjot Sir Classes

how to use shared memory msgrcv
interconnect processing technique
0★ 3B 55E Most recent by kulveer1998singhMay 2019Pravjot Sir Classes

@page { margin: 2cm } pre.cjk { font-family: "DejaVu Sans Mono", monospace } p { margin-bottom: 0.25cm; line-height: 120% } RCS file: decs.h,v Working file: decs…
Project on ipc technique
0★ 6B 59E Most recent by rdheresskstarMay 2019Pravjot Sir Classes

@page { size: 8.5in 11in; margin: 0.79in } pre { background: transparent } pre.western { font-family: "Liberation Mono", monospace; font-size: 10pt } pre.cjk { font-fa…
Project on ipc technique
0★ 1B 54E Started by rdheresskstarMay 2019Pravjot Sir Classes

@page { size: 8.5in 11in; margin: 0.79in } pre { background: transparent } pre.western { font-family: "Liberation Mono", monospace; font-size: 10pt } pre.cjk { font-fa…
Char_Driver
0★ 1B 46E Started by akshrnjn333May 2019Pravjot Sir Classes

@page { margin: 2cm } pre.cjk { font-family: "DejaVu Sans Mono", monospace } p { margin-bottom: 0.25cm; line-height: 120% } RCS file: decleration.h,v Working fil…
multiple data based compression using iterative techniques in c using function pointer
0★ 9B 88E Most recent by rdheresskstarApril 2019Pravjot Sir Classes

RCS file: compression.c,vWorking file: compression.chead: 1.1branch:locks: strict root: 1.1access list:symbolic names:keyword substitution: kvtotal revisions: 1; selected revisions: 1description:open…
about various ipc techniques
0★ 1B 41E Started by rdheresskstarApril 2019Pravjot Sir Classes

which ipc technique is best one for sending multiple data to server from client at a time and vice versa and why would it be best??
MDC based function pointer
0★ 7B 65E Most recent by rdheresskstarApril 2019Pravjot Sir Classes

RCS file: compression.c,vWorking file: compression.chead: 1.1branch:locks: strict root: 1.1access list:symbolic names:keyword substitution: kvtotal revisions: 1; selected revisions: 1description:open…
Serial Port Driver Design
0★ 1B 49E Started by spatlouApril 2019205 Serial Port Device Drivers Development

Serial Port Device Driver - Byte Mode.Design and Queries
RCS login file
0★ 5B 61E Most recent by vishalgujela333March 2019Pravjot Sir Classes

RCS file: declerations.h,vWorking file: declerations.hhead: 1.1branch:locks: strict root: 1.1access list:symbolic names:keyword substitution: kvtotal revisions: 1; selected revisions: 1description:A…
Multiple Data Compression and Encryption using Iterative Technique
0★ 8B 180E Most recent by kulveer1998singhMarch 2019001 C Programming, Data Structures

@page { margin: 0.79in } pre.cjk { font-family: "DejaVu Sans Mono", monospace } p { margin-bottom: 0.1in; line-height: 120% } RCS file: declerations.h,v Working …
Getting an issue while installing through yum or dnf
1★ 1B 368E Started by jagdishst1594February 2019Query

Traceback (most recent call last): File "/usr/bin/dnf", line 57, in from dnf.cli import main File "/usr/lib/python3.7/site-packages/dnf/__init__.py", line 30, in import …
Queries from Session 3 Assignment
0★ 3B 122E Most recent by utkarshraj273February 2019001 C Programming, Data Structures

How to Remove Comments from your program?
Malloc failed
0★ 1B 325E Started by sandeshgupta4uJanuary 2019Query

The following error was encountered :- server: malloc.c:2385: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev…
Linklists. 56w , 120
0★ 11B 201E Most recent by spatlouDecember 2018001 C Programming, Data Structures

@page { margin: 0.79in } pre.cjk { font-family: "DejaVu Sans Mono", monospace } p { margin-bottom: 0.1in; line-height: 120% } RCS file: declerations.h,v Working …
Assignment 4. Loops and Iterations. Queries and solutions
0★ 1B 111E Started by spatlouDecember 2018001 C Programming, Data Structures

LCM Calculation by Finding GCD#include int main(){ int a, b, i, gcd, lcm; printf("Enter two positive integers: "); scanf("%d %d",&a,&b); for(i=1; i
basic C question
0★ 1B 122E Started by asimaslam990November 2018Query

Please comment on assignment of signed value (e.g -25) into an unsigned variable . What are we assigning to that unsigned variable (2's complement of 25 ) or something else??
SOCKET PROGRAMMING DISCUSSION
0★ 6B 139E Most recent by surajk1164October 2018Pravjot Sir Classes

INTRODUCTION TO SOCKET SOCKET : It is a communication technique like pipe which has file descriptor at one end and network connections at other end .Socket is basically the first tool through which …
Write A C Program for...
0★ 1B 106E Started by spatlouOctober 2018001 C Programming, Data Structures

Every even number can be expressed as the difference of two primes.
Program for scanning your whole Directory
0★ 1B 73E Started by surajk1164September 2018Pravjot Sir Classes

#include#include#include#include#include#includeint i;char arr1[20];int OpenDir(char*);int main(){ fputs("enter path of the directory:",stdout); fscanf(stdin,"%s",ar…
Reversing a Linklist
0★ 1B 120E Started by surajk1164September 2018Pravjot Sir Classes

struct node { int val; struct node *next;} void ReverseLinklist(struct node* start) //argument is first node pointer as start{ struct node* first,*prev; first =…
How to generate assembly output with your compiler?
0★ 2B 93E Most recent by surajk1164September 2018Query

And run experiments to deduce the name decoration scheme?
Make a compressed Tar file of a directory containing files
0★ 1B 75E Started by surajk1164September 2018Pravjot Sir Classes

command: tar -cvf name.tar directoryname name.tar is the name you want to choose for your compressed tar file for untar of the tar filecommand : tar -xvf file.tar
Query
0★ 1B 75E Started by surajk1164September 2018Pravjot Sir Classes

What is This : 1. typedef char *(*ppp)[3]; 2. char *( *( *array[3] )) [3]; 3. char *(*(*( *arr) [3] )) [3] ;
Sockets over a network
0★ 2B 89E Most recent by surajk1164August 2018Query

In which directory is struct in_addr present?
Simple Alarm Program
0★ 1B 103E Started by surajk1164August 2018Pravjot Sir Classes

Sample code for Simple Alarm Here you can set timings for a Alarm [ just for fun ] you will hear a ringtone, here is the code for that #include"headers,h" // include , , , void make_c…
Message Queue simple example
0★ 1B 112E Started by surajk1164August 2018Pravjot Sir Classes

#include#include#include#include#include#includetypedef struct message{ long int msg_type; char Message[100];}message;int main(){ char mymsg[] = "this is a message"; …
GCC compiler
0★ 1B 103E Started by hk239638August 2018Pravjot Sir Classes

The gcc compiler is a portable compiler,today it runs on different platforms .its wide use going on programming. programming in c here are different 4 stages compilation of a program: 1.Preprocessin…
STATIC
0★ 5B 105E Most recent by ashrafumair21August 2018Pravjot Sir Classes

what is static ?
POSIX Thread Diagram
0★ 3B 95E Most recent by abhijeet.srivastava2308August 2018Pravjot Sir Classes
OOPs and Data Structures using C++
1★ 19B 601E Most recent by akashravindra98July 2018Pravjot Sir Classes

Post ur doubts, work log etc on the same
Project 05: Character Device Driver Development
0★ 3B 127E Most recent by surajk1164July 2018Pravjot Sir Classes

Issue:When I am trying to insert a driver module in the kernel using 'insmod' command then it failed to insert.Command Pattern: insmod char_mod.koError: insmod: Failed to load char_mod.k…
How to write a integer value in a file using 'write()' ?
0★ 4B 127E Most recent by surajk1164July 2018Query

please explain.
IPC-CLIENT/SERVER
0★ 4B 262E Most recent by ra9501576600July 2018Pravjot Sir Classes

How one client can give different requests at the same time ?
FUNCTION ARGUMENTS
0★ 2B 106E Most recent by mohitve19June 2018Pravjot Sir Classes

We give some arguments in called function. But is it necessary to describe those arguments in function decralation too?I mean, even without specifying the arguments in function declaration, the funct…
Array in c++
0★ 1B 103E Started by mohitve19June 2018Pravjot Sir Classes

How to use array of user define size as private member of the class.
C++ DOUBTS
0★ 1B 86E Started by keshavmehta15June 2018Pravjot Sir Classes

COPPERSMITH WINOGRAD ALGO EXPLAINATION REQUIRED ?
error in hello program 2
0★ 1B 92E Started by ashnaj8June 2018Pravjot Sir Classes

@page { margin: 0.79in } p { margin-bottom: 0.1in; line-height: 120% } 17. Bug: print (“hello panda\n”) hello.c:5:2: warning: implicit declaration of function ‘print’; …
errors in hello program 1
0★ 1B 126E Started by ashnaj8June 2018Pravjot Sir Classes

@page { margin: 0.79in } p { margin-bottom: 0.1in; line-height: 120% } 1. Bug: \n error:expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token …
Access Emblogic portal Documents on Android phone
0★ 2B 107E Most recent by bhardwaj_himanshuJune 2018Pravjot Sir Classes

Hi All, Now you can get access of all documents available on Emblogic portal on your android device You just need to download puffin browser from google play store
query
0★ 2B 101E Most recent by bhardwaj_himanshuJune 2018Pravjot Sir Classes

how to avoid structure padding in c
Installation of Eclipse for C++
0★ 1B 119E Started by rahul.kushwaha2695June 2018Pravjot Sir Classes

i try to install the eclipse eclipse-cpp-oxygen-3a-linux-gtk-x86_64.tar.gz file and create the eclipse executable at given path using the touch commands touch /usr/bin/eclipse and also change the mo…
installation of kernel 4.15.10
0★ 1B 236E Started by rahul.kushwaha2695June 2018Query

I try to install the kernel 4.15.10 version in my system . but when i use the make commands then its show the error . The error are--- [root@localhost linux-stable-4.15.10]# make CHK include/co…
Client Server Communication using Sockets and Threads
0★ 1B 125E Started by gauravchopra284June 2018Pravjot Sir Classes

Steps to follow for Implementing a Project:Step1: In Main thread, we have to create new thread(Thread1) in which block on accept occurred in infinite while loop for handling Multiple Clients.Step2: I…
hello world\
0★ 22B 156E Most recent by chahatverma514June 2018Pravjot Sir Classes

error: too few arguments to function ‘printf’ printf(); ^~~~~~
helllo world
0★ 21B 129E Most recent by sachinyadav6122June 2018Pravjot Sir Classes

error: expected ‘;’ at end of input return 0 ^ ;hello.c:5:2: error: expected declaration or statement at end of input return 0 ^~~~~~
use of pow function
0★ 3B 184E Most recent by atulpant063June 2018Query

#include #include int main() { double a=4,b=2,result; result = pow(b,a); printf("result is %g \n",result); return 0; }
Conditional operator
0★ 2B 133E Most recent by atulpant063June 2018Query

#include #include int main() { int i,n,j; printf("Enter the size of array\n"); scanf ("%d",&j); int a[j]; printf("Enter the elemen…
Compile Linux Kernel with patch
1★ 1B 95E Started by viniboora.viniJune 2018Query

I am trying to build Linux kernel with TBS(Time based scheduling) qdisc patch. . I already know how to build kernel to upgrade to a newer version, But somehow i am missing a few steps to achieve the …
query
0★ 2B 93E Most recent by atulpant063May 2018Pravjot Sir Classes

#include int main() { int b; printf("%d\n",scanf("%d",&b)); } if i will enter any int num. by user ,then output is 1....?
Queue Data Structure
0★ 1B 106E Started by surajk1164May 2018Query

Program for QUEUE Data Structure has been done , below is the program for ***************Prototype**************** int mainmenu(); typedef struct staack { int fp; int rp; int size; i…
c programming
0★ 4B 173E Most recent by atulpant063May 2018Query

Declare an integer variable. Assign a value -5 to check print its positive value. How to print the positive value because after using unsigned int it is not printing the positive value
Block on read and Block on Write
0★ 2B 122E Most recent by keshavmehta15May 2018Pravjot Sir Classes

Block on write and block on read both are faced while using pipe after mkfifo. It is a problem because in this situation prompt seems to be hanged and further operations are stopped, so we should ha…
Query
0★ 1B 104E Started by surajk1164May 2018Query

Is there any command in Linux to recover our deleted files ...??
How to configure FTP server in easy steps
0★ 1B 131E Started by bhardwaj_himanshuMay 2018Pravjot Sir Classes

Hii All, i am explaining you how you can configure FTP server in your own machine in easy way 1. install vsftp packageyum install vsftpd 2.check service statussystemctl status vsftpd.service 3.start…
How to Create Man Page
0★ 1B 99E Started by bhardwaj_himanshuMay 2018Pravjot Sir Classes

Hello All, i have created a utility in linux that will automatically generate all essential files that is need to develop a C projects for that utility i have developed a MAN Page,You can create you…
Example: Find Largest Element Using Dynamic Memory Allocation - calloc()
0★ 1B 148E Started by surajk1164May 2018Pravjot Sir Classes

Dynamic Memory Allocation - calloc() #include #include int main() { int i, num; float *data; printf("Enter total number of elements(1 to 100): "); scanf("…
001.16.Function Pointers
1★ 10B 275E Most recent by surajk1164May 2018001 C Programming, Data Structures

return-type (*ptr)(arguments);
Multiple Data Compression and Encryption, 108
0★ 2B 127E Most recent by surajk1164May 2018001 C Programming, Data Structures

RCS file: declerations.h,v Working file: declerations.h head: 1.7 branch: locks: strict root: 1.7 access list: symbolic names: keyword substitution: kv total revisions: 7; selected revisions: …
Query about Function pointers
0★ 1B 60E Started by surajk1164May 2018Query

Can someone tell me how function pointers increases the speed of compilation and execution of our program ?
fopen vs open
0★ 1B 1733E Started by surajk1164April 2018Pravjot Sir Classes

In File IO both fopen and open have same work but their methods of working and areas of use are different. Me explaining here the appropriate reasons b/w both functions:; **Lesser System calls …
Interview Questions
0★ 1B 132E Started by bhardwaj_himanshuApril 2018Query

Hello friends there are some interview questions which has been asked during interview you can put your answer over these questions.1.what is difference between function pointer and pointer to functi…
Query
0★ 5B 140E Most recent by surajk1164March 2018Query

Please anyone explain the difference between return(0) and exit (0). Nd also mean of exit (1).
Core Dump and Implicit Declaration
0★ 1B 131E Started by surajk1164February 2018Pravjot Sir Classes

TWO MOST COMMON ERRORS AND THEIR APPX. REASONS 1st- Core Dump: Reasons: 1.If You Forget to use '&' operator in scanf, then you will face this err…
SHARED_LIBRARY_TO_ADD_TWO_NUMBERS
0★ 1B 127E Started by ashrafumair21February 2018Pravjot Sir Classes

/*creating reqired Files*/ vim add.h .... #ifndef add_h_ #define add_h_ extern int add(int , int ); #endif ... vim add.c /*Definition of Shared Library*/ #include int add(int a,int b) { put…
__DEVICE_DRIVERS()
0★ 1B 99E Started by ashrafumair21February 2018Query

What Log does this path have ? /run/log/jounal as in /dev : ll log exits with this lrwxrwxrwx 1 root root 28 Feb 8 19:23 log -> /run/systemd/journal/dev-log = How to open it and …
Interview Questions: Project 01
0★ 7B 216E Most recent by kartik.guptaFebruary 2018001 C Programming, Data Structures

Please post the Interview Questions and Answers related to Data Structures using C on Linux
IPC using pipes #revision_1
0★ 1B 90E Started by ashrafumair21February 2018Pravjot Sir Classes

RCS file: declarations.h,v locks: strict umair: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: all prototypes ----------…
hw to remove kernel in linux ??
0★ 10B 179E Most recent by ps.hpk001February 2018Query
Carecter Device Driver
0★ 2B 129E Most recent by kartik.guptaFebruary 2018Query

While allocating the size for the quantum of Qset pointer variable, this kind of bug occuring everytime. Please give an explanation for this kind of bugs [38913.266017] BUG: unable to handle kernel…
Revision Control System. RCS
0★ 3B 119E Most recent by deepugupta8051January 2018001 C Programming, Data Structures

Please geve your logs here
Baud Rate
0★ 17B 3846E Most recent by kartik.guptaJanuary 2018205 Serial Port Device Drivers Development

What is Baud Rats and how to set it in serial port device driver?
Advance Data Structures Problems
0★ 2B 83E Most recent by kartik.guptaJanuary 2018Pravjot Sir Classes

Graph using adjacency List.(Array of linked lists)typedef struct node{ int vertex; //int weight; if weighted graph struct node *next;}node;node* createNode(int);int displayList(node*);int main…
Parallel Port Device Driver Implementation
0★ 11B 545E Most recent by kartik.guptaJanuary 2018105 Parallel Port Device Drivers Development

Chip: 74LS244 Protocol: IEEE 1284.
Queue DS
0★ 1B 91E Started by sajanjha173January 2018Pravjot Sir Classes

Project : Queue Autor: Sajan Kumar Jha Description : This project best explains the working of data handling in queue structure.Since we know that queue is a data structure which follows the FI…
Queue DS
0★ 1B 100E Started by sajanjha173January 2018Query

Project : Queue DS Autor: Sajan Kumar Jha Description : This project best explains the working of data handling in queue structure.Since we know that queue is a data structure which follows th…
Project Code: 002.002 Designing A Student Information System Project ...
0★ 3B 182E Most recent by vojha21January 2018002 OOPs using C++ with Eclipse on Linux

Designing A Student Information System Project ... The Project should support the following 1. Add Records 2. List Records 3. Modify Records 4. Delete Records 5. Exit Program …
Project.Code.002.004: Designing A Grading System
0★ 5B 138E Most recent by vojha21January 2018002 OOPs using C++ with Eclipse on Linux

Design A Grading System Requires: variables, data types, and numerical operatorsbasic input/outputlogic (if statements, switch statements) Design a class that allows the user to enter the grade sco…
Full_Duplex_Chat_Application_Using_FIFO
0★ 1B 76E Started by sajanjha173January 2018Pravjot Sir Classes

Full_Duplex_Chat_Application_Using_FIFO#Project : FULL_DUPLEX_CHAT_USING_FIFO#Author : Sajan Kumar JhaDescription : This project performs the full duplex operation using two FIFO.Here the two process…
SERVER_CLIENT_COM_Using_IPC_FIFO_and_Synchronisation_Using_SIGNAL
0★ 1B 93E Started by sajanjha173January 2018Pravjot Sir Classes

#Project : IPC_SERVER_CLIENT Description : In this project,the inter-process communication between server and Requesting client is demonstrate. Here multiple request is made by multiple Requesting cl…
Reading by Pipe in Server
0★ 1B 85E Started by yogesh.singhJanuary 2018Pravjot Sir Classes

While i am reading in Server add result , i am getting garbage value. Please let me know where i am doing wrong. #include #include #include #include #include #include #include struct Operatio…
Linked List Problems
0★ 2B 107E Most recent by kartik.guptaJanuary 2018Pravjot Sir Classes

Q.Reverse every k node of linked list eg. 1->2->3->4->5->6->7->8->9->nullreverse every 3 nodes: if k=3 o/p-> 3->2->1->6->5->4->9->8->7->nullU…
Linux System Administration
0★ 3B 155E Most recent by kartik.guptaJanuary 2018Query

How can we hibernate linux system. what is the command for that??
Batch#107 : MDCAEUIT status
0★ 4B 101E Most recent by pranshugupta195December 2017Pravjot Sir Classes

completion of project MDCAEUIT: (status -> completed all compression and decompression) RCS file: compress2.c,vWorking file: compress2.chead: 1.2branch:locks: strict root: 1.2access list:…
Parallel Port. Nibble Mode
0★ 1B 142E Started by spatlouDecember 2017105 Parallel Port Device Drivers Development
How IPC is used in the industry .What is it industrial use ?
0★ 1B 81E Started by mohdkokubDecember 2017Query

What is IPC ? How it is used in the industry ?
Is there any logical error if we not initilized the msgctl while using the msgqueue?
0★ 1B 68E Started by sushantpatil3314December 2017Query

msgctl(key_t,command,msgid_ds *buf); This is the snytax. I have not initilized then also the output comes properly for three requesting client. If I increased the client then it will be required to i…
Floating Points on Bash
0★ 2B 102E Most recent by bhardwaj_himanshuDecember 2017011 Shell Scripting using Bash

How to use floating point numbers in shell scripting using Bash
Ipc using FIFO,msg queues,sheared mem^r,semaphores.
0★ 10B 157E Most recent by ps.hpk001December 2017Pravjot Sir Classes

Working file: Declearation.hhead: 1.2branch:locks: strict psharma: 1.2access list:symbolic names:keyword substitution: kvtotal revisions: 2; selected revisions: 2description:here we do dec…
mdc
0★ 9B 104E Most recent by ps.hpk001December 2017Pravjot Sir Classes

CS file: decleation.h,vWorking file: decleation.hhead: 1.1branch:locks: strict psharma: 1.1access list:symbolic names:keyword substitution: kvtotal revisions: 1; selected revisions: 1descr…
Superuser login issue (ssh) after chsh
0★ 1B 105E Started by bhardwaj.charakDecember 2017Query

I wanted to change my default Fedora bash shell to ssh (as a superuser). So, using chsh command gave the address /bin/ssh. Logout the superuser. But after login as su, I am unable to login and …

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