大约有 22,000 项符合查询结果（耗时：0.0329秒） [XML]
Is modern C++ becoming more prevalent? [closed]
...ated C++ and Stroustrup's new textbook. So we don't learn char* then std::strings.
It's an interesting lesson in how long it takes for "legacy" methods to be replaced, especially when they have a track record of effectiveness.
...
What data type to use for hashed password field and what length?
...rd_hash("rasmuslerdorf", PASSWORD_DEFAULT);
The result is a 60-character string similar to the following (but the digits will vary, because it generates a unique salt).
$2y$10$.vGA1O9wmRjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a
Use the SQL data type CHAR(60) to store this encoding of a Bcrypt...
Single quotes vs. double quotes in C or C++
...++ single quotes identify a single character, while double quotes create a string literal. 'a' is a single a character literal, while "a" is a string literal containing an 'a' and a null terminator (that is a 2 char array).
In C++ the type of a character literal is char, but note that in C, the typ...
How to get ASCII value of string in C#
I want to get the ASCII value of characters in a string in C#.
15 Answers
15
...
Natural Sort Order in C#
...dll", CharSet = CharSet.Unicode)]
private static extern int StrCmpLogicalW(string psz1, string psz2);
Michael Kaplan has some examples of how this function works here, and the changes that were made for Vista to make it work more intuitively. The plus side of this function is that it will have the...
Format XML string to print friendly XML string
I have an XML string as such:
9 Answers
9
...
How do I do base64 encoding on iOS?
...or Objective C categories.
For Base64 encoding:
#import <Foundation/NSString.h>
@interface NSString (NSStringAdditions)
+ (NSString *) base64StringFromData:(NSData *)data length:(int)length;
@end
-------------------------------------------
#import "NSStringAdditions.h"
static char base...
How to Parse Command Line Arguments in C++? [duplicate]
...t;algorithm>
char* getCmdOption(char ** begin, char ** end, const std::string & option)
{
char ** itr = std::find(begin, end, option);
if (itr != end && ++itr != end)
{
return *itr;
}
return 0;
}
bool cmdOptionExists(char** begin, char** end, const std::s...
Print text instead of value from C enum
...in C are numbers that have convenient names inside your code. They are not strings, and the names assigned to them in the source code are not compiled into your program, and so they are not accessible at runtime.
The only way to get what you want is to write a function yourself that translates the ...
Count the number of occurrences of a string in a VARCHAR field?
...
The ROUND here is unnecessary. assume a string of length x with n occurrences of'value. LENGTH(description) - LENGTH( REPLACE ( description, "value", "") ) will always give you n*length("value"), diving that by length of value will always leave a whole number n. N...