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How many and which are the uses of “const” in C++?
...p you to decide when and when not you need to copy.
struct MyString {
char * getData() { /* copy: caller might write */ return mData; }
char const* getData() const { return mData; }
};
Explanation: You might want to share data when you copy something as long as the data of the originally ...
Post data to JsonP
... clonedForm.attr(attr.name, attr.value);
});
form.find('input, select, textarea').each(function()
{
clonedForm.append($(this).clone());
});
return clonedForm;
}
share
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...
Remove all occurrences of char from string
...
Try using the overload that takes CharSequence arguments (eg, String) rather than char:
str = str.replace("X", "");
share
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improve this answer
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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ehashfn(net, daddr, hnum,
saddr, sport);
result = reuseport_select_sock(sk, hash, skb,
sizeof(struct udphdr)); //根据reuseport算法选择一个sock直接返回
if (result)
return result;
matches = 1;
}
result = sk; //使用最大分数的sk作为结...
How can I use a DLL file from Python?
...
Next;
Application type -> DLL;
Additional options -> Empty project (select);
Additional options -> Precompiled header (unselect);
Project -> Properties -> Configuration Manager -> Active solution platform: x64;
Project -> Properties -> Configuration Manager -> Active solu...
C Macro definition to determine big endian or little endian machine?
...define ORDER32_H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x00010203ul,
O32_PDP_ENDIAN = 0x01000302ul, /* DEC PDP-11 (aka ENDIAN_LITTLE_WORD) */
O32_HO...
How to encode the filename parameter of Content-Disposition header in HTTP?
...to browser testing and backwards compatibility, in the proposed RFC 5987, "Character Set and Language Encoding for Hypertext Transfer Protocol (HTTP) Header Field Parameters."
RFC 2183 indicates that such headers should be encoded according to RFC 2184, which was obsoleted by RFC 2231, covered by t...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...mmunity(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters?
...
How do I get the last character of a string?
How do I get the last character of a string?
11 Answers
11
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Variable number of arguments in C++?
...example (see it live):
void func(T, Args...) [T = int, Args = <double, char, std::basic_string<char>>]: 1
void func(T, Args...) [T = double, Args = <char, std::basic_string<char>>]: 2.5
void func(T, Args...) [T = char, Args = <std::basic_string<char>>]: a
void fu...