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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
... AF_INET)) {
release_sock(sk);
return -EINVAL;
}
goto do_append_data; //有数据pending，就往后添加
}
release_sock(sk);
}
ulen += sizeof(struct udphdr); //否则开始一个新的udp包
/*
* Get and verify the address.
*/
if (msg->msg_name) {
DECLARE_S...
Schema for a multilanguage database
I'm developing a multilanguage software. As far as the application code goes, localizability is not an issue. We can use language specific resources and have all kinds of tools that work well with them.
...
What is the list of supported languages/locales on Android?
...al Answer :
As of Android 5.0, all languages in BCP 47 are available for application development (they may not necessarily be available for selection in a given device's system settings, though). When using ISO 639-1 codes, the resource folder has the format values-xx... where xx is the ISO-639-1...
Regular expression that matches valid IPv6 addresses
I'm having trouble writing a regular expression that matches valid IPv6 addresses, including those in their compressed form (with :: or leading zeros omitted from each byte pair).
...
How to test valid UUID/GUID?
How to check if variable contains valid UUID/GUID identifier?
12 Answers
12
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Dynamically update values of a chartjs chart
I created an basic bar chart using chartjs and it works fine. Now I want to update the values on a time based interval. My problem is that after I created the chart, I do not know how to update its values correctly...
...
Apply multiple functions to multiple groupby columns
The docs show how to apply multiple functions on a groupby object at a time using a dict with the output column names as the keys:
...
What is a regular expression which will match a valid domain name without a subdomain?
I need to validate a domain name:
20 Answers
20
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Why are these numbers not equal?
The following code is obviously wrong. What's the problem?
6 Answers
6
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How to find list intersection?
actual output: [1,3,5,6]
expected output: [1,3,5]
11 Answers
11
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