大约有 30,000 项符合查询结果（耗时：0.0287秒） [XML]
Why is the gets function so dangerous that it should not be used?
...ng gets, you want to use fgets, which has the signature
char* fgets(char *string, int length, FILE * stream);
(fgets, if it reads an entire line, will leave the '\n' in the string; you'll have to deal with that.)
It remained an official part of the language up to the 1999 ISO C standard, but
it ...
C++ multiline string literal
...
Well ... Sort of. The easiest is to just use the fact that adjacent string literals are concatenated by the compiler:
const char *text =
"This text is pretty long, but will be "
"concatenated into just a single string. "
"The disadvantage is that you have to quote "
"each part, and n...
Is there a simple way to convert C++ enum to string?
... I usually prefer the following method, so that it's possible to tweak the string a bit.
#define X(a, b) a,
#define X(a, b) b,
X(Red, "red")
X(Green, "green")
// etc.
share
|
improve this answer
...
PostgreSQL: Difference between text and varchar (character varying)
...tant increase of the length constraint, and on the basis that decreasing a string length constraint is rare, depesz concludes that one of them is usually the best choice for a length limit.
share
|
...
Read whole ASCII file into C++ std::string [duplicate]
I need to read a whole file into memory and place it in a C++ std::string .
9 Answers
...
Get an object properties list in Objective-C
... const char *propType = getPropertyType(property);
NSString *propertyName = [NSString stringWithCString:propName
encoding:[NSString defaultCStringEncoding]];
NSString *propertyType = [NSString stringWit...
Generating Random Passwords
...
public string CreatePassword(int length)
{
const string valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
StringBuilder res = new StringBuilder();
Random rnd = new Random();
wh...
How do I concatenate const/literal strings in C?
...
In C, "strings" are just plain char arrays. Therefore, you can't directly concatenate them with other "strings".
You can use the strcat function, which appends the string pointed to by src to the end of the string pointed to by de...
How long is the SHA256 hash?
...256', 'hello, world!');
var_dump($hash);
Will give you :
$ php temp.php
string(64) "68e656b251e67e8358bef8483ab0d51c6619f3e7a1a9f0e75838d41ff368f728"
i.e. a string with 64 characters.
share
|
i...
Split string into array of character strings
I need to split a String into an array of single character Strings.
11 Answers
11
...