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Why is there no Char.Empty like String.Empty?
... a reason for this? I am asking because if you needed to use lots of empty chars then you get into the same situation as you would when you use lots of empty strings.
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Replace a newline in TSQL
I would like to replace (or remove) a newline character in a TSQL-string.
Any Ideas?
12 Answers
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What's the difference between VARCHAR and CHAR?
What's the difference between VARCHAR and CHAR in MySQL?
14 Answers
14
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浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
浅析为什么char类型的范围是 -128~+127在C语言中， signed char 类型的范围为-128~127,每本教科书上也这么写，但是没有哪一本书上（包括老师）也不会给你为什么是-128~127，这...在C语言中， signed char 类型的范围为-128~127,每本教科书上...
How to convert string to char array in C++?
I would like to convert string to char array but not char* . I know how to convert string to char* (by using malloc or the way I posted it in my code) - but that's not what I want. I simply want to convert string to char[size] array. Is it possible?
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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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VC DDE（Dynamic Data Exchange）与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
...fic data.
{
return 0;
}
void DDEExecute(DWORD idInst, HCONV hConv, char* szCommand)
{
HDDEDATA hData = DdeCreateDataHandle(idInst, (LPBYTE)szCommand,
lstrlen(szCommand)+1, 0, NULL, CF_TEXT, 0);
if (hData==NULL) {
printf("Command failed: %...
constant pointer vs pointer on a constant value [duplicate]
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char * const a;
means that the pointer is constant and immutable but the pointed data is not.
You could use const_cast(in C++) or c-style cast to cast away the constness in this case as data itself is not constant.
const c...
Case-insensitive string comparison in C++ [closed]
...on. ñ can be represented as a combining ˜ followed by an n, or with a ñ character. You need to use Unicode string normalization before performing the comparaison. Please review Unicode Technical Report #15, unicode.org/reports/tr15
– vy32
Nov 11 '11 at 3:2...
Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
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