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OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...easy的如下两个上层接口：
easy_session_t *easy_session_create(int64_t asize)
int easy_client_dispatch(easy_io_t *eio, easy_addr_t addr, easy_session_t *s)
首先看看session这个关键的数据结构：
#define EASY_MESSAGE_SESSION_HEADER \
easy_connection_t *c; \
easy...
Bulk package updates using Conda
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Is inline assembly language slower than native C++ code?
... It's counter-intuitive until you really consider it. In the same way, VM based machines are starting to make runtime optimizations that compilers simply don't have the information to make.
– Bill K
Mar 7 '12 at 17:24
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Zero-pad digits in string
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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IOS7 : UIScrollView offset in UINavigationController
...much for this post!!!!!!! Apple and apple?
– user779764
Feb 16 '14 at 1:11
I found that this caused my UIScrollView's ...
How to install the Raspberry Pi cross compiler on my Linux host machine?
...This tutorial only works for older raspbian images. For the newer Raspbian based on Debian Buster see the following how-to in this thread: https://stackoverflow.com/a/58559140/869402
Pre-requirements
Before you start you need to make sure the following is installed:
apt-get install git rsync cmak...
Is floating point math broken?
...ary floating point math is like this. In most programming languages, it is based on the IEEE 754 standard. The crux of the problem is that numbers are represented in this format as a whole number times a power of two; rational numbers (such as 0.1, which is 1/10) whose denominator is not a power of ...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
I can take a guess based on the names, but what specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
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Overflow Scroll css is not working in the div
... Bizău
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How do you reverse a string in place in C or C++?
...p, *q);
}
void strrev_utf8(char *p)
{
char *q = p;
strrev(p); /* call base case */
/* Ok, now fix bass-ackwards UTF chars. */
while(q && *q) ++q; /* find eos */
while(p < --q)
switch( (*q & 0xF0) >> 4 ) {
case 0xF: /* U+010000-U+10FFFF: four bytes. */
S...