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How do you determine the size of a file in C?
...struct stat definition, which was missing the variable name.
Returns -1 on error instead of 0, which would be ambiguous for an empty file. off_t is a signed type so this is possible.
If you want fsize() to print a message on error, you can use this:
#include <sys/stat.h>
#include <sys/ty...
Invalid postback or callback argument. Event validation is enabled using '
I am getting the following error when I post back a page from the client-side. I have JavaScript code that modifies an asp:ListBox on the client side.
...
Meaning of epsilon argument of assertEquals for double values
...epsilon would be 0 (100% accuracy, no exceptions). If you want a margin of error (say for degrees) you could set epsilon to 1 meaning that, for example, 64.2° is the same as 64.8° (since abs(64.8-64.2) < 1)
– Pieter De Bie
Sep 25 '15 at 8:14
...
rgdal package installation
...apt-file package and run :
$ sudo apt-file update
Then, when you get an error such as :
configure: error: proj_api.h not found in standard or given locations.
You can use the following command to find which package you must install to get the missing file :
$ apt-file search proj_api.h
libpro...
In what cases do I use malloc and/or new?
...;
struct foo {
double d[5];
};
int main() {
foo *f1 = malloc(1); // error, no cast
foo *f2 = static_cast<foo*>(malloc(sizeof(foo)));
foo *f3 = static_cast<foo*>(malloc(1)); // No error, bad
}
It's worse than that though. If the type in question is POD (plain old data) then yo...
libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
..._ev = bufferevent_new(client_fd, buffer_on_read, buffer_on_write,buffer_on_error, client);
client->total_len = 0;
client->cur_size = 0;
client->data = NULL;
bufferevent_enable(client->buf_ev, EV_READ|EV_WRITE);
}
void buffer_on_read(struct bufferevent *ev_buf, void *opqaue)
...
Deleting folders in python recursively
...t point to a directory (but not a symbolic link to a directory). If ignore_errors is true, errors resulting from failed removals will be ignored; if false or omitted, such errors are handled by calling a handler specified by onerror or, if that is omitted, they raise an exception."
...
How to import load a .sql or .csv file into SQLite?
...
It is giving error "cannot open db.sql",when I am using .read commond.
– Dory
Nov 24 '14 at 5:41
2
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System.BadImageFormatException: Could not load file or assembly (from installutil.exe)
...ying to install a Windows service using InstallUtil.exe and am getting the error message
15 Answers
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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
... into your array. There are scripts available that turn all warnings into errors which would prevent building.
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