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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."
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How to import load a .sql or .csv file into SQLite?
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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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Git stash: “Cannot apply to a dirty working tree, please stage your changes”
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I get "error: patch failed...patch does not apply" for one of the files. I wish it gave a merge conflict.
– Aleksandr Dubinsky
Jun 4 '14 at 18:04
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How do you synchronise projects to GitHub with Android Studio?
...mote and everything should work through the GUI.
If you are getting the error: fatal: remote <remote_name> already exists that means you already added it. To see your remotes do git remote -v and git remote rm <remote_name> to remove.
See these pages for details:
http://www...
Difference between exit(0) and exit(1) in Python
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0 and 1 are the exit codes.
exit(0) means a clean exit without any errors / problems
exit(1) means there was some issue / error / problem and that is why the program is exiting.
This is not Python specific and is pretty common. A non-zero exit code is treated as an abnormal exit, and at ti...
Why does Google prepend while(1); to their JSON responses?
...t without any processing, resulting in either an infinite loop or a syntax error.
This does not address the issue of cross-site request forgery.
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