大约有 23,000 项符合查询结果(耗时:0.0200秒) [XML]

https://stackoverflow.com/ques... 

Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)

...ethod = :smtp config.action_mailer.default_url_options = { :host => "my.ip.addr.here" } config.action_mailer.smtp_settings = { :address => "smtp.gmail.com", :port => 587, :domain => 'my.ip.addr.here:80', :user_name => "my_email_name@gmail.com", :password ...
https://stackoverflow.com/ques... 

How do I use valgrind to find memory leaks?

...the C code I wrote too: #include <stdlib.h> int main() { char* string = malloc(5 * sizeof(char)); //LEAK: not freed! return 0; } Well, there were 5 bytes lost. How did it happen? The error report just says main and malloc. In a larger program, that would be seriously troublesome t...
https://stackoverflow.com/ques... 

Emulating a do-while loop in Bash

...apability is pretty cool! You could also use it to insert a delimiter in a string. Thanks! – Paused until further notice. Oct 12 '18 at 18:48 add a comment  ...
https://stackoverflow.com/ques... 

Can I call a constructor from another constructor (do constructor chaining) in C++?

...meters is using your parameter to call the other constructor: SomeType(string const &s) { /*...*/ } SomeType(char const *pc) : SomeType(string(pc)) { /*...*/ } – Cyrille Ka Sep 14 '15 at 18:14 ...
https://stackoverflow.com/ques... 

Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar

...en calls IsPathRooted on path2 and returns that path if so: public static String Combine(String path1, String path2) { if (path1==null || path2==null) throw new ArgumentNullException((path1==null) ? "path1" : "path2"); Contract.EndContractBlock(); CheckInvalidPathChars(path1); ...
https://stackoverflow.com/ques... 

Fastest Way to Serve a File Using PHP

...rls (mod_rewrite on apache) Crypto functions (mcrypt php module) Multibyte string support (mbstring php module) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Parsing a comma-delimited std::string [duplicate]

If I have a std::string containing a comma-separated list of numbers, what's the simplest way to parse out the numbers and put them in an integer array? ...
https://stackoverflow.com/ques... 

How can I get a file's size in C? [duplicate]

...know the size, because I want to put the content of the loaded file into a string, which I allocate using malloc() . Just writing malloc(10000*sizeof(char)); is IMHO a bad idea. ...
https://stackoverflow.com/ques... 

Is it possible to print a variable's type in standard C++?

...havior. What I'm recommending below is: template <typename T> std::string type_name(); which would be used like this: const int ci = 0; std::cout << type_name<decltype(ci)>() << '\n'; and for me outputs: int const <disclaimer> I have not tested this on MSVC. &...
https://stackoverflow.com/ques... 

How to generate a random alpha-numeric string?

...ng for a simple Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated). ...