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What is move semantics?
... a very simple string class which only holds a pointer to a heap-allocated block of memory:
#include <cstring>
#include <algorithm>
class string
{
char* data;
public:
string(const char* p)
{
size_t size = std::strlen(p) + 1;
data = new char[size];
...
Efficiently replace all accented characters in a string?
...de standard conveniently groups as the Combining Diacritical Marks Unicode block.
See comment for performance testing.
Alternatively, if you just want sorting
Intl.Collator has sufficient support ~85% right now, a polyfill is also available here but I haven't tested it.
const c = ...
What is a plain English explanation of “Big O” notation?
...n that loops and functions are bad; on the contrary, they are the building blocks of modern programming languages, and we love them. However, we can see that the way we weave loops and functions and conditionals together with our data (control flow, etc.) mimics the time and space usage of our progr...
Why does modern Perl avoid UTF-8 by default?
...un-time warnings into stack-dumped
# exceptions *unless* we're in an try block, in
# which case just cluck the stack dump instead
local $SIG{__WARN__} = sub {
if ($^S) { cluck "Trapped warning: @_" }
else { confess "Deadly warning: @_" }
};
while (<>) {
chomp;
$_ ...
Is CSS Turing complete?
... 0
*/
body > input {
-webkit-appearance: none;
display: block;
float: left;
border-right: 1px solid #ddd;
border-bottom: 1px solid #ddd;
padding: 0px 3px;
margin: 0;
font-family: Consolas, "Courier New", monospace;
font-size: 7pt;
}
body > i...
Remove accents/diacritics in a string in JavaScript
...de standard conveniently groups as the Combining Diacritical Marks Unicode block.
See comment for performance testing.
Alternatively, if you just want sorting
Intl.Collator has sufficient support ~95% right now, a polyfill is also available here but I haven't tested it.
const c = new Intl.Collator(...
【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
...en, &csum, &msg->msg_iter) != len)
return -EFAULT;
skb->csum = csum_block_add(skb->csum, csum, odd);
}
return 0;
}
udp_send_skb
udp_send_skb()->ip_send_skb()->ip_local_out()
static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4)
{
/*
* Create a UDP header
*/
uh ...