大约有 40,000 项符合查询结果（耗时：0.0143秒） [XML]
How to split a string literal across multiple lines in C / Objective-C?
...
There are two ways to split strings over multiple lines:
Using \
All lines in C can be split into multiple lines using \.
Plain C:
char *my_string = "Line 1 \
Line 2";
Objective-C:
NSString *my_string = @"Line1 \
...
Will using 'var' affect performance?
...icit type. So for example, var x = new List<List<Dictionary<int, string>()>()>() would be acceptable, but var x = 42 is somewhat ambiguous and should be written as int x = 42. But to each their own...
– Nelson Rothermel
May 9 '12 at 17:26
...
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 ...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...r and nchar will always use a fixed amount of storage space, even when the string to be stored is smaller than the available space, whereas varchar and nvarchar will use only as much storage space as is needed to store that string (plus two bytes of overhead, presumably to store the string length). ...
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...
How to convert a std::string to const char* or char*?
How can I convert an std::string to a char* or a const char* ?
8 Answers
8
...
Windows batch: echo without new line
... refined the method so that it can safely print absolutely any valid batch string without the new line, on any version of Windows from XP onward. Note that the :writeInitialize method contains a string literal that may not post well to the site. A remark is included that describes what the character...
Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
...
Generating Random Passwords
...
public string CreatePassword(int length)
{
const string valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
StringBuilder res = new StringBuilder();
Random rnd = new Random();
wh...
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
...