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Callback functions in C++
... in C++(11)?
See C++ concepts: Callable on cppreference for a more formal description.
Callback functionality can be realized in several ways in C++(11) since several different things turn out to be callable*:
Function pointers (including pointers to member functions)
std::function objects
Lambd...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...表中
easy_list_t conn_list_node;
// file description
// default_message_len 默认是16， 大小是8KB, first_message_len默认是2， 大小是1KB
// libeasy对于每个连接收数据的时候，如果上次对于这个连接已经收到了1个或者n...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
... variable is considered only if 'EEOptionsSelection' is set to true.
#
# Description: List of Enterprise Edition Options you would like to enable. 选择你想用的组件列表
#
# The following choices are available. You may specify any
# combination of these choice...
When to use volatile with multi threading?
...ogram stuck in optimized mode but runs normally in -O0 is an example (with description of GCC's asm output) of how exactly this happens with GCC on x86-64. Also MCU programming - C++ O2 optimization breaks while loop on electronics.SE shows another example.
We normally want aggressive optimization...
What is the purpose of Flask's context stacks?
...nded for. "Internal redirects" are the only justification I've seen in the descriptions above, and googling "flask internal redirect" doesn't turn up much so I'm still a bit at a loss. One of the things I like about flask is it's generally not a java object-soup type thing full of AbstractProviderCo...
What is a correct mime type for docx, pptx etc?
...: "application/vnd.irepository.package+xml", "jad": "text/vnd.sun.j2me.app-descriptor", "jar": "application/java-archive", "class": "application/java-vm", "jnlp": "application/x-java-jnlp-file", "ser": "application/java-serialized-object", "java": "text/x-java-source,java", "js": "application/javasc...
Comparison between Corona, Phonegap, Titanium
...
Just played with 1.7, your description is so right. This platform is very hit and miss, with horrible performance and countless hours of work around searching. If you have the resources at the start of a project, build native for each platform.
...
What are metaclasses in Python?
...ifferent ability, it can also create classes on the fly. type can take the description of a class as parameters,
and return a class.
(I know, it's silly that the same function can have two completely different uses according to the parameters you pass to it. It's an issue due to backward
compatibil...
Git and Mercurial - Compare and Contrast
...s are something that doesn't exist in git. It's simply a field in the cset description (and that is part of the history, so it is immutable unless you changes hashes, etc.). Something like git branches are bookmarks ("named heads") but they aren't currently remote transferrable (you don't import th...
Python base64 data decode
... it without importing anything:
'eW91ciB0ZXh0'.decode('base64')
or more descriptive
>>> a = 'eW91ciB0ZXh0'
>>> a.decode('base64')
'your text'
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