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内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...unistd.h>
void malloc_init()
{
/* grab the last valid address from the OS */
last_valid_address = sbrk(0);
/* we don't have any memory to manage yet, so
*just set the beginning to be last_valid_address
*/
managed_memory_start = last_valid_address;
/* Okay, we're initialized and rea...
Python base64 data decode
... application.
– Rebs
Sep 7 '16 at 6:27
On Mac OS X, use cat base64-image.txt | base64 --decode > base64-image.png
...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...easy_list_for_each_entry_safe：
#define easy_list_for_each_entry_safe(pos, n, head, member) \
for (pos = easy_list_entry((head)->next, typeof(*pos), member), \
n = easy_list_e...
Split string into an array in Bash
... not a string delimiter.
– dawg
Nov 27 '17 at 4:57
|
show ...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...ver works. A web server responds to HTTP requests. An HTTP request at its most basic level looks like this:
GET /foo/bar.html HTTP/1.1
This is the simple request of a browser to a web server requesting the URL /foo/bar.html from it. It is important to stress that it does not request a file, it re...
动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...于 21 世纪初诞生于 Solaris 操作系统，是由原来的 Sun Microsystems 公司的工程师编写的。可能很多同学都听说过 Solaris 系统和 Sun 公司的大名。
最初产生的时候，我记得有这样一个故事，当时 Solaris 操作系统的几个工程师花了几天...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...aracter is escaped, and the escaping caret is removed. Escaped characters lose all special meaning (except for <LF>).
If a quote ("), toggle the quote flag. If the quote flag is active, then only " and <LF> are special. All other characters lose their special meaning until the next quote...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...让我们看看edit的规则：
insert.osearch.o files.o utils.o
edit : $(objects)
main.o : main.c defs.h
kbd.o : kbd.c defs.h command.h
command.o : command.c defs.h command.h
display.o : display.c defs.h buffer.h
insert.o : insert.c defs....
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...让我们看看edit的规则：
insert.osearch.o files.o utils.o
edit : $(objects)
main.o : main.c defs.h
kbd.o : kbd.c defs.h command.h
command.o : command.c defs.h command.h
display.o : display.c defs.h buffer.h
insert.o : insert.c defs....
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...让我们看看edit的规则：
insert.osearch.o files.o utils.o
edit : $(objects)
main.o : main.c defs.h
kbd.o : kbd.c defs.h command.h
command.o : command.c defs.h command.h
display.o : display.c defs.h buffer.h
insert.o : insert.c defs....