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How can I increment a char?
...ng, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord receives Unicode chars and chr produces them).
But if you're interested in bytes (such as for processing some binary data stream), things are even simpler:
>>> bstr = byt...
C++ deprecated conversion from string constant to 'char*'
...ver you have a situation like the following:
char* pointer_to_nonconst = "string literal";
Why? Well, C and C++ differ in the type of the string literal. In C the type is array of char and in C++ it is constant array of char. In any case, you are not allowed to change the characters of the string...
Why does string::compare return an int?
Why does string::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
...
Check if a string contains one of 10 characters
I'm using C# and I want to check if a string contains one of ten characters, *, &, # etc etc.
6 Answers
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Method Overloading for null argument
... Does this mean that if compiler were to choose in between doSomething(String str) and doSomething(Object obj) during runtime with doSomething(null), doSomething(String str) will be called.
– Sameer
Nov 10 '16 at 9:22
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How do I use Java to read from a file that is actively being written to?
...ed in the console.
public class FileReader {
public static void main(String args[]) throws Exception {
if(args.length>0){
File file = new File(args[0]);
System.out.println(file.getAbsolutePath());
if(file.exists() && file.canRead()){
...
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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Store boolean value in SQLite
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Which is better in term of performance! true/false as strings or 0/1 integer?
– Muhammad Babar
Aug 9 '15 at 13:38
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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...
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, ...