user_id
stringlengths 24
24
| time
stringlengths 24
24
| feature_type
stringclasses 5
values | feature_version
stringclasses 2
values | input_question
stringlengths 1
1.24k
⌀ | input_code
stringlengths 2
18.5k
⌀ | input_intention
stringlengths 1
2.48k
⌀ | input_task_description
stringlengths 18
3.32k
⌀ |
|---|---|---|---|---|---|---|---|
63c647ae5f004bf4898cf5c7
|
2023-04-01T03:13:54.257Z
|
General Question
|
v2
|
How do I get client fd in the waiting list from listen()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T03:36:02.989Z
|
General Question
|
v2
|
How to loop over set_fd?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T03:50:16.098Z
|
General Question
|
v2
|
How to find the second largest fd in fd_set?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T16:58:12.749Z
|
General Question
|
v2
|
Could FD_ISSET() prevent the program from being blocked by read()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T16:59:58.299Z
|
General Question
|
v2
|
How to prevent a program from being blocked by accept()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T19:36:20.082Z
|
General Question
|
v2
|
How to reconnect a client to their previous client fd?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T20:18:33.208Z
|
General Question
|
v2
|
How to avoid redefinition from a header file?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T20:20:12.414Z
|
General Question
|
v2
|
How to avoid function redefinition from a header file?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T23:18:30.228Z
|
General Question
|
v2
|
Can a server keep track of multiple client sockets at once after calling select() and FD_ISSET()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T23:32:57.529Z
|
General Question
|
v2
|
Do I need to malloc an int member inside a struct?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-01T23:45:38.221Z
|
General Question
|
v2
|
Arguments of read()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T01:03:09.377Z
|
Help Fix Code
|
v2
|
new_user->sock_fd should be assigned with int fd
|
Usersockname *new_user = to_malloc(sizeof(Usersockname)); // to_malloc is from friends.c
new_user->username = to_malloc(strlen(name) + 1);
new_user->sock_fd = to_malloc(sizeof(int));
new_user->next = to_malloc(sizeof(Usersockname));
// There was a previous check on length size, so no need to recheck it again
strncpy(new_user->username, name, strlen(name) + 1); // name has max length MAX_NAME - 1
new_user->username[strlen(name)] = '\0'; // Null terminate
*(new_user->sock_fd) = fd;
| null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T02:12:58.616Z
|
General Question
|
v2
|
Do I have to malloc the ptr to the first node of linked list?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T02:18:16.939Z
|
General Question
|
v2
|
Malloc but still cannot hold memory
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T02:20:58.658Z
|
General Question
|
v2
|
Is it a good idea to use malloc() inside a local scope?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T02:21:41.091Z
|
General Question
|
v2
|
How should I malloc the ptr to the first node of array list?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T02:22:15.408Z
|
General Question
|
v2
|
How should I malloc the double ptr to the first node of array list?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T15:26:02.576Z
|
General Question
|
v2
|
When to use dup2() instead of pipe()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T16:07:30.812Z
|
General Question
|
v2
|
How to properly initialize an array of char without any garbage?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T16:44:18.094Z
|
General Question
|
v2
|
How to avoid read() from reading a blank line?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T16:45:01.261Z
|
General Question
|
v2
|
How to check for an empty line in C?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T16:45:54.287Z
|
General Question
|
v2
|
Should I use fgets() in socket programming?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T16:47:22.890Z
|
General Question
|
v2
|
How to use strtok() to filter out empty line?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T19:22:52.682Z
|
General Question
|
v2
|
What does FD_SET do?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T19:27:57.092Z
|
General Question
|
v2
|
How can a server take care of multiple simultaneously requests from different clients at once?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T19:41:22.753Z
|
General Question
|
v2
|
I used select(), FD_SET() and FD_ISSET() but server still ignores upcoming requests
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-04T20:12:25.416Z
|
General Question
|
v2
|
Should I malloc a char[]?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T02:29:39.306Z
|
General Question
|
v2
|
When does read() return -1?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T02:45:40.668Z
|
General Question
|
v2
|
Will close(fd) also close the pipe?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T03:02:15.722Z
|
General Question
|
v2
|
Why FD_SET() does not add new fd into fd_set?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T12:43:41.569Z
|
General Question
|
v2
|
why double free or corruption (out) when I only free() for the first time?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T12:58:27.850Z
|
General Question
|
v2
|
When does free() gives corrupted error?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T13:25:49.649Z
|
General Question
|
v2
|
Could I copy a malloced string to a stack-allocated string?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T18:58:53.275Z
|
General Question
|
v2
|
Could I use strlen() on just dynamically allocated string without any input?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T18:59:56.304Z
|
General Question
|
v2
|
How to tell if a malloced string is empty or not?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T19:00:35.544Z
|
General Question
|
v2
|
Is all malloced string initialized with null characters?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-05T20:08:22.725Z
|
General Question
|
v2
|
Does memset() affect malloced string?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T00:35:52.449Z
|
General Question
|
v2
|
Will strtok() return a stack-allocated string after tokenizing heap-allocated string?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:06:03.166Z
|
General Question
|
v2
|
What does select() return where there is a signal from a client?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:12:19.829Z
|
General Question
|
v2
|
How to know how many clients are talking via select() and FD_ISSET()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:20:26.388Z
|
General Question
|
v2
|
Should the server call accept() multiple times on the same client?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:22:25.095Z
|
General Question
|
v2
|
How to use the fcntl() function with the O_NONBLOCK flag for non-blocking select() call?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:28:39.696Z
|
General Question
|
v2
|
How should I use fcntl() in socket programming?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:29:35.485Z
|
General Question
|
v2
|
How to use fcntl() with multiple fds?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:41:33.530Z
|
General Question
|
v2
|
Why fcntl() leads to broken pipe?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:43:15.899Z
|
General Question
|
v2
|
How to make a server unblocking on read() call from multiple clients?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T01:48:22.446Z
|
General Question
|
v2
|
I used select() and FD_ISSET() but the server still blocks inputs from clients?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:02:10.895Z
|
General Question
|
v2
|
What makes select() call knows a client is ready to read?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:07:20.372Z
|
General Question
|
v2
|
What is the point of using FD_ISSET() after select() call?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:15:47.384Z
|
General Question
|
v2
|
How to make a read() call unblocking?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:16:57.941Z
|
General Question
|
v2
|
How to use fcntl()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:27:22.232Z
|
General Question
|
v2
|
How to know if the read() call is blocking?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:30:15.718Z
|
General Question
|
v2
|
Is the server socket fd always set at 3?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:31:08.346Z
|
General Question
|
v2
|
is select() a blocking function?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:31:53.810Z
|
General Question
|
v2
|
How to set out a timeout for select()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T02:34:23.889Z
|
General Question
|
v2
|
what does select() return after being timed out?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T04:45:51.676Z
|
General Question
|
v2
|
Why the server keeps ignoring clients' call even though using select(), FD_iSSET() and reset the set_fd to the original set_fd?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T04:47:54.165Z
|
General Question
|
v2
|
How to use FD_COPY()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T04:48:59.740Z
|
General Question
|
v2
|
What are the parameters of FD_COPY()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T04:55:39.753Z
|
General Question
|
v2
|
How to copy a set_fd object?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T12:43:04.763Z
|
General Question
|
v2
|
Why timeout (struct timeval) only waits on the first call of select() with a given client fd?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T14:57:15.211Z
|
General Question
|
v2
|
Does select() save the ready-to-read fd to its parameters?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-06T15:13:19.336Z
|
General Question
|
v2
|
How to print out every fd inside fd_set?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-22T20:27:45.737Z
|
General Question
|
v2
|
why does strtol need pointer to char array?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-22T20:38:44.778Z
|
General Question
|
v2
|
What happens if I pass string of 0 to strtol?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-22T23:37:10.079Z
|
General Question
|
v2
|
What happens if I pass a NULL endptr to strtol()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-22T23:53:29.243Z
|
General Question
|
v2
|
Does strtol read negative values?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-22T23:54:12.565Z
|
General Question
|
v2
|
when does strtol return an error?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-22T23:55:59.144Z
|
General Question
|
v2
|
Does strtol return an error if there is a non-numeric value in a string?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T01:15:46.787Z
|
General Question
|
v2
|
What happens if errno is not 0?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T01:38:05.809Z
|
General Question
|
v2
|
Which process id pick up orphanage processes?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T01:46:39.465Z
|
General Question
|
v2
|
Is waitpid() a blocking function?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T01:50:08.578Z
|
General Question
|
v2
|
Does waitpid return 0 mean that pid process is an orphan?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T01:54:39.932Z
|
General Question
|
v2
|
What return status of waitpid indicate that pid process is a zombie?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T03:03:58.602Z
|
General Question
|
v2
|
How do we call pipe in C?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T03:14:05.594Z
|
General Question
|
v2
|
When does pipe() return -1?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T03:20:34.051Z
|
General Question
|
v2
|
Is a newer pid always greater than the older ones?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T03:22:08.963Z
|
General Question
|
v2
|
Are system calls returning -1 as errors?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T03:24:30.194Z
|
General Question
|
v2
|
What happens if I close a closed fd?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T03:25:39.636Z
|
General Question
|
v2
|
What happens if I close a non-existent fd?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T03:28:58.750Z
|
General Question
|
v2
|
How to close all previously forked children processes?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T15:58:01.970Z
|
General Question
|
v2
|
Why do I need to pass in ptr to read() and write() call?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T15:59:03.219Z
|
General Question
|
v2
|
What does buffer do in write() and read()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T16:01:16.517Z
|
General Question
|
v2
|
What does buffer do in read()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T16:07:26.449Z
|
General Question
|
v2
|
When does waitpid() return -1?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T16:08:42.630Z
|
General Question
|
v2
|
How to use WNOHANG with waitpid()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T16:21:31.050Z
|
General Question
|
v2
|
Why does wait() need a ptr to status?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T16:22:52.785Z
|
General Question
|
v2
|
Use wait() with WIFEXITED and WEXITSTATUS
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T16:25:32.569Z
|
General Question
|
v2
|
What argument does WEIXTSTATUS take?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T16:26:46.818Z
|
General Question
|
v2
|
What argument does WEXITSTATUS take?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T17:17:59.346Z
|
General Question
|
v2
|
open() vs. fopen()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T17:21:09.605Z
|
General Question
|
v2
|
What does dup2() do in C?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T17:53:01.112Z
|
General Question
|
v2
|
How to use execl()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-23T17:55:19.998Z
|
General Question
|
v2
|
What are the parameters of waitpid()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-24T00:23:53.643Z
|
General Question
|
v2
|
sigaddset() and sigemptyset() in C?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-24T00:25:17.447Z
|
General Question
|
v2
|
sigprocmask()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-24T00:35:00.431Z
|
General Question
|
v2
|
Does sigprocmask() block a signal from reaching a process?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-24T03:04:24.196Z
|
General Question
|
v2
|
What does sigprocmask()?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-24T03:06:40.563Z
|
General Question
|
v2
|
what does SIG_BLOCK do?
| null | null | null |
63c647ae5f004bf4898cf5c7
|
2023-04-24T03:07:27.032Z
|
General Question
|
v2
|
What does SIG_SETMASK do?
| null | null | null |
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