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Why is conversion from string constant to 'char*' valid in C but invalid in C++
...your first example was valid, but used a deprecated implicit conversion--a string literal should be treated as being of type char const *, since you can't modify its contents (without causing undefined behavior).
As of C++11, the implicit conversion that had been deprecated was officially removed, ...
Finding all possible permutations of a given string in python
I have a string. I want to generate all permutations from that string, by changing the order of characters in it. For example, say:
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How to upload files to server using JSP/Servlet?
..., HttpServletResponse response) throws ServletException, IOException {
String description = request.getParameter("description"); // Retrieves <input type="text" name="description">
Part filePart = request.getPart("file"); // Retrieves <input type="file" name="file">
String fi...
How to get the number of characters in a std::string?
How should I get the number of characters in a string in C++?
12 Answers
12
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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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Remove characters from C# string
How might I remove characters from a string? For example: "My name @is ,Wan.;'; Wan" .
21 Answers
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Position of least significant bit that is set
...nux man page
Name
ffs - find first bit set in a word
Synopsis
#include <strings.h>
int ffs(int i);
#define _GNU_SOURCE
#include <string.h>
int ffsl(long int i);
int ffsll(long long int i);
Description
The ffs() function returns the position of the first (least significant) bit set in th...
Server.UrlEncode vs. HttpUtility.UrlEncode
...ecommend you avoid any variant of UrlEncode, and instead use Uri.EscapeDataString - at least that one has a comprehensible behavior.
Let's see...
HttpUtility.UrlEncode(" ") == "+" //breaks ASP.NET when used in paths, non-
//standard, undocumented.
Uri.EscapeUriStr...
stringstream, string, and char* conversion confusion
My question can be boiled down to, where does the string returned from stringstream.str().c_str() live in memory, and why can't it be assigned to a const char* ?
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Get an OutputStream into a String
What's the best way to pipe the output from an java.io.OutputStream to a String in Java?
5 Answers
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