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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...;
spin_unlock(&hslot2->lock);
}
sock_set_flag(sk, SOCK_RCU_FREE);
error = 0;
fail_unlock:
spin_unlock_bh(&hslot->lock);
fail:
return error;
}
bind()会设置inet_rcv_saddr接收地址，以及通过udp_lib_get_port绑定到特定端口， 如果可以绑定，会在hash1和hash2两...
How do I get a platform-dependent new line character?
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answered Jun 7 '12 at 18:05
StriplingWarriorStriplingWarrior
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How can I send mail from an iPhone application
... didFinishWithResult:(MFMailComposeResult)result
error:(NSError*)error;
{
if (result == MFMailComposeResultSent) {
NSLog(@"It's away!");
}
[self dismissModalViewControllerAnimated:YES];
}
Remember to check if the device is configured for sending email:
if ([MFM...
Macro vs Function in C
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Macros are error-prone because they rely on textual substitution and do not perform type-checking. For example, this macro:
#define square(a) a * a
works fine when used with an integer:
square(5) --> 5 * 5 --> 25
but does ve...
Why can't Python find shared objects that are in directories in sys.path?
...ocal/lib $LD_LIBRARY_PATH /usr/local/lib But I still get the same error: $ python -c "import pycurl" Traceback (most recent call last): File "<string>", line 1, in <module> ImportError: libcurl.so.4: cannot open shared object file: No such file or directory
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Getting a list of files in a directory with a glob
...tManager];
NSArray *dirContents = [fm contentsOfDirectoryAtPath:bundleRoot error:nil];
NSPredicate *fltr = [NSPredicate predicateWithFormat:@"self ENDSWITH '.jpg'"];
NSArray *onlyJPGs = [dirContents filteredArrayUsingPredicate:fltr];
If you need to do it with NSURL instead it looks like this:
NSU...
Hosting a Maven repository on github
... maven repository.
Edit: to avoid the problem mentioned in the comments ('Error creating commit: Invalid request. For 'properties/name', nil is not a string.'), make sure you state a name in your profile on github.
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ReSharper Abbreviations List: Where can I modify it?
...thers :)
– defines
Feb 27 '12 at 14:05
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How to manually create icns files using iconutil?
When I'm validating my app I get this error:
18 Answers
18
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Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
...t the table design, like change a column type from int to real, I get this error:
16 Answers
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