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How do I split a string into an array of characters? [duplicate]

I want to string.split a word into array of characters. 8 Answers 8 ...
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Get the IP address of the machine

... <string.h> #include <arpa/inet.h> int main (int argc, const char * argv[]) { struct ifaddrs * ifAddrStruct=NULL; struct ifaddrs * ifa=NULL; void * tmpAddrPtr=NULL; getifaddrs(&ifAddrStruct); for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) { ...
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How to parse a string to an int in C++?

What's the C++ way of parsing a string (given as char *) into an int? Robust and clear error handling is a plus (instead of returning zero ). ...
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Oracle PL/SQL - How to create a simple array variable?

... INDEX BY PLS_INTEGER; employee_array employee_arraytype; BEGIN SELECT * BULK COLLECT INTO employee_array FROM employee WHERE department = 10; -- FOR i IN employee_array.FIRST .. employee_array.LAST LOOP -- Do something END LOOP; END; The associative arra...
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libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术

...:socket(),connect(),返回连接的sockfd int create_io_channel(const char *ipaddr, int port); 2. 搭建TCP Server 下面以伪代码方式给出,错误处理省略 int main(int argc, char *argv[]) { // 初始化 … // event初始化 event_init(); init_server(por...
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What is the optimal length for an email address in a database?

... The maximum length of an email address is 254 characters. Every email address is composed of two parts. The local part that comes before the '@' sign, and the domain part that follows it. In "user@example.com", the local part is "user", and the domain part is "example.c...
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C++ convert hex string to signed integer

...iostream> using namespace std; int main() { string s = "abcd"; char * p; long n = strtol( s.c_str(), & p, 16 ); if ( * p != 0 ) { //my bad edit was here cout << "not a number" << endl; } else { cout << n << endl; } } ...
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How to create strings containing double quotes in Excel formulas?

... Have you tried escaping with a double-quote? = "Maurice ""The Rocket"" Richard" share | improve this answer | follow | ...
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Insert spaces between words on a camel-cased token [duplicate]

...e Stuff And Sell It (IIRC). Syntax explanation (credit): {Ll} is Unicode Character Category "Letter lowercase" (as opposed to {Lu} "Letter uppercase"). P is a negative match, while p is a positive match, so \P{Ll} is literally "Not lowercase" and p{Ll} is "Lowercase". So this regex splits on two p...
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How to match “any character” in regular expression?

... Yes, you can. That should work. . = any char \. = the actual dot character .? = .{0,1} = match any char zero or one times .* = .{0,} = match any char zero or more times .+ = .{1,} = match any char one or more times ...