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Returning a C string from a function
I am trying to return a C string from a function, but it's not working. Here is my code.
14 Answers
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
...t';
-- MySQL 5.7, mysql.user table "password" field -> "authentication_string"
update user set authentication_string=password('mynewpassword') where user='root';
Flush the privileges
flush privileges;
Restart the server
quit
Stop and start the server again
Ubuntu and Debian:
sudo /etc/in...
Is there a float input type in HTML5?
...Elfayer's edit: quotes are optional in HTML unless you want to use certain characters. Personally I prefer to omit them where possible for better readability.
– Dave
Apr 2 '14 at 10:02
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
[精华] VC中BSTR、Char和CString类型的转换char*转换成CString，CString转换成char*，BSTR转换成char*，char*转换成BSTR，CString转换成BSTR，BSTR转换成CString，ANSI、Unicode和宽字符之间的转换...1、char*转换成CString
若将char*转换成CString，除了直接...
What is the difference between AF_INET and PF_INET in socket programming?
... Protocol Family
Meaning, AF_INET refers to addresses from the internet, IP addresses specifically. PF_INET refers to anything in the protocol, usually sockets/ports.
Consider reading the man pages for socket(2) and bind(2). For the sin_addr field, just do something like the following to set it:
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How to convert a char array back to a string?
...ry minimal.
Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a b...
Get path of executable
...dlib>
#include <algorithm>
#include <iterator>
#include <string>
#include <vector>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/predef.h>
#include <boost/version.hpp>
#include <boost/tokenizer.h...
std::wstring VS std::string
I am not able to understand the differences between std::string and std::wstring . I know wstring supports wide characters such as Unicode characters. I have got the following questions:
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C: differences between char pointer and array [duplicate]
... (in this one, "now is the time" is stored elsewhere in memory, commonly a string table).
Also, note that because the data belonging to the second definition (the explicit pointer) is not stored in the current scope's stack space, it is unspecified exactly where it will be stored and should not be ...
PHP Session Fixation / Hijacking
...ed so it's not 100% reliable, but it's better than not.
Include the user's IP address from $_SERVER['REMOTE_ADDR'] in the session. Basically, when the session starts, store it in something like $_SESSION['remote_ip']. This may be problematic from some ISPs that use multiple IP addresses for their ...