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RESTful API methods; HEAD & OPTIONS
...ties of the server. For example, this can be used to test a proxy for HTTP/1.1 compliance (or lack thereof).
If the Request-URI is not an asterisk, the OPTIONS request applies only to the options that are available when communicating with that resource.
A 200 response SHOULD include any header field...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...ributes ；GCC 3.2 Variable Attributes ；GCC 3.2
Type Attributes ；GCC 3.1 Function Attributes ；GCC 3.1 Variable Attributes
Reference：
1．有关__attribute__的相对简单的介绍：http://www.unixwiz.net/techtips/gnu-c-attributes.html
2．__attribute__详细介绍：http://gcc.gnu...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...支援函式所指定的socket型別。舉例來說，完全根據WinSock 1.1版的規格書發展的WinSock協定核心，並不支援SOCK_RAW這個socket型別。在呼叫socket()函式時，位址家族選 AF_INET( PF_INET )而socket型別選SOCK_RAW的話，就會發生這個錯誤。
有些...
What should a Multipart HTTP request with multiple files look like? [duplicate]
... non-printable-ascii character into a dot (".").
POST /cgi-bin/qtest HTTP/1.1
Host: aram
User-Agent: Mozilla/5.0 Gecko/2009042316 Firefox/3.0.10
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-...
pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible
...
Answer for pydot >= 1.1:
The incompatibility of (upstream) pydot has been fixed by 6dff94b3f1, and thus pydot >= 1.1 will be compatible with pyparsing >= 1.5.7.
Answer applicable to pydot <= 1.0.28:
For anyone else who comes across...
How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
... 6.0 = 50,
Java SE 5.0 = 49,
JDK 1.4 = 48,
JDK 1.3 = 47,
JDK 1.2 = 46,
JDK 1.1 = 45
(Source: Wikipedia)
To fix the actual problem you should try to either run the Java code with a newer version of Java JRE or specify the target parameter to the Java compiler to instruct the compiler to create cod...
RESTful Authentication
...tandard HTTPS protocol, is used by most web services.
GET /spec.html HTTP/1.1
Host: www.example.org
Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
It's easy to implement, available by default on all browsers, but has some known drawbacks, like the awful authentication window displayed on the B...
How do I update pip itself from inside my virtual environment?
...do I update pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
...
How do we control web page caching, across all browsers?
...revalidate
Pragma: no-cache
Expires: 0
The Cache-Control is per the HTTP 1.1 spec for clients and proxies (and implicitly required by some clients next to Expires). The Pragma is per the HTTP 1.0 spec for prehistoric clients. The Expires is per the HTTP 1.0 and 1.1 specs for clients and proxies. I...
What are the differences between type() and isinstance()?
...ing mechanics of ABC support as offered in Python 2.6, see here; for their 3.1 version, very similar, see here. In both versions, standard library module collections (that's the 3.1 version—for the very similar 2.6 version, see here) offers several useful ABCs.
For the purpose of this answer, th...