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The static keyword and its various uses in C++
... do different things. For instance, you could put a static void log(const char*) {} in each cpp file, and they could each all log in a different way.
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Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...ocol (SOAP):
SOAP builds an XML protocol on top of HTTP or sometimes TCP/IP.
SOAP describes functions, and types of data.
SOAP is a successor of XML-RPC and is very similar, but describes a standard way to communicate.
Several programming languages have native support for SOAP, you typically feed ...
What is the difference between a URI, a URL and a URN?
...does weird stuff like checking equality of URLs by resolving host names to IP addresses (which seems at odds with RFC 3986 sec 6 in the first place, and breaks w virtual hosts). I think this just means the Java Standard Library has some inconsistent class behavior.
– Andrew Jan...
Difference between __str__ and __repr__?
...nambiguous — notice that str(3)==str("3"). Likewise, if you implement an IP abstraction, having the str of it look like 192.168.1.1 is just fine. When implementing a date/time abstraction, the str can be "2010/4/12 15:35:22", etc. The goal is to represent it in a way that a user, not a programmer,...
What is the difference between quiet NaN and signaling NaN?
...trtod and 7.22.1.3 "The strtod, strtof, and strtold functions" says:
A character sequence NAN or NAN(n-char-sequence opt ) is interpreted as a quiet
NaN, if supported in the return type, else like a subject sequence part that does not have
the expected form; the meaning of the n-char sequenc...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...t(devicedir.c_str(), &st)==0 && S_ISLNK(st.st_mode)) {
char buffer[1024];
memset(buffer, 0, sizeof(buffer));
// Append '/driver' and return basename of the target
devicedir += "/driver";
if (readlink(devicedir.c_str(), buffer, sizeof(buffer)) >...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
... message: db ‘Hello world!’ ;相当于char/unsigned char* Hello world!
msglength: equ 12 ; 字符串长度12字节
buffersize: dw 1024 ;缓冲区大小1024个字长(相当于short类型)
.bss sect...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...节点成为主节点。
Hidden:这类节点是不能够被客户端制定IP引用，也不能被设置为主节点，但是可以投票，一般用于备份数据。
Delayed：可以指定一个时间延迟从primary节点同步数据。主要用于备份数据，如果实时同步，误删除数...
How to write a large buffer into a binary file in C++, fast?
...stream("file.binary", std::ios::out | std::ios::binary);
myfile.write((char*)&data[0], bytes);
myfile.close();
auto endTime = std::chrono::high_resolution_clock::now();
return std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime).count();
}
long long ...
In Functional Programming, what is a functor?
.... Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors at this ocaml-tutorial website ).
...