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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
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Q: What is the difference between these initializations?
char a[] = "string literal";
char *p = "string literal";
My program crashes if I try to assign a new value to p[i].
A: A string literal (the formal term
for a double-quoted string in C
source) can be used in two slightly
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how to convert from int to char*?
...:to_chars(str.data(), str.data() + str.size(), 42);
In C++11, use std::to_string as:
std::string s = std::to_string(number);
char const *pchar = s.c_str(); //use char const* as target type
And in C++03, what you're doing is just fine, except use const as:
char const* pchar = temp_str.c_str(); /...
What is the best way to auto-generate INSERT statements for a SQL Server table?
..._Type varchar(128),
@Actual_Values varchar(8000), --This is the string that will be finally executed to generate INSERT statements
@IDN varchar(128) --Will contain the IDENTITY column's name in the table
--Variable Initialization
SET @IDN = ''
SET @Column_ID = 0
SET @Column...
How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
15
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How do I concatenate two strings in C?
How do I add two strings?
11 Answers
11
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Why is there no Char.Empty like String.Empty?
...en you get into the same situation as you would when you use lots of empty strings.
20 Answers
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Get string character by index - Java
I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f".
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xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...
..._Tree_iterator<std::_Tree_val<std::_Tree_simple_types<std::pair<const std::string,CPTCensorStatusItem *>>>>,
1> _Ty2=bool,
1> _Traits=std::_Tmap_traits<std::string,CPTCensorStatusItem *,CGraphFrame::Compare<std::string>,std::allocator<std::pair<const std::string,CPTCensor...
Replace multiple characters in a C# string
Is there a better way to replace strings?
12 Answers
12
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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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