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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...entry_safe(r, rn, request_list, request_list_node)
{
//r指向链表中第一个easy_request_t元素
//rn指向链表中第二个easy_request_t元素
}
这里用到easy_list_for_each_entry_safe和easy_list_entry两个宏，就以这个例子来解释一下这两个宏：
宏easy_list_for_e...
When to create a new app (with startapp) in Django?
...6 September 2008.
DjangoCon 2008: Reusable Apps @7:53
Slide: Reusable_apps.pdf
Taken from the slide
Should this be its own application?
Is it completely unrelated to the app’s focus?
Is it orthogonal to whatever else I’m doing?
Will I need similar functionality on other sites?
If any of them ...
Difference between onStart() and onResume()
...the graphic on page 39 in
http://media.pragprog.com/titles/eband3/concepts.pdf
By the way, this book is highly recommendable for android beginners!
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Is it a good practice to place C++ definitions in header files?
...tymuch non-existant. anubis.dkuug.dk/jtc1/sc22/wg21/docs/papers/2003/n1426.pdf
– Michael Burr
Feb 24 '09 at 20:52
A he...
URL encoding the space character: + or %20?
...seen "+" in some Web APIs which don't respond with HTML e.g. you request a pdf. I consider it wrong that they dont use "%20".
– The incredible Jan
Oct 12 '17 at 14:09
...
Can a C++ enum class have methods?
...tax next time around... open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4165.pdf
– sdgfsdh
Dec 20 '16 at 10:26
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What is the difference between mutex and critical section?
...ree programming is like Shangri La, except it exists. Keir Fraser's paper (PDF) explores this rather interestingly (going back to 2004). And we're still struggling with it in 2012. We suck.
– Tim Post♦
Oct 11 '12 at 15:07
...
how to create a file name with the current date & time in python?
...on (hard drive)
# folder_name = directory (folder) to receive and store PDF files
drive_letter = r'D:\\'
folder_name = r'downloaded-files'
folder_time = datetime.now().strftime("%Y-%m-%d_%I-%M-%S_%p")
folder_to_save_files = drive_letter + folder_name + folder_time
# IF no such folder exists, ...
Learning Ruby on Rails
...ment with Rails; both books have been excellent.
Peepcode screencasts and PDF books have also been great for getting started; at $9 per screencast it's hard to go wrong. I actually bought a 5-pack.
Also check out the following:
Official Rails Guides
Railscasts
railsapi.com or Ruby on Rails - AP...
GCC -fPIC option
... read more from this article: http://www.agner.org/optimize/optimizing_cpp.pdf
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