大约有 22,000 项符合查询结果(耗时:0.0179秒) [XML]

https://stackoverflow.com/ques... 

How would one write object-oriented code in C? [closed]

...rtainly do interfaces and multiple inheritence in C but it's a fair bit of extra work, and you have to manage the smarts yourself rather than using C++ built-in stuff. – paxdiablo Jul 7 '14 at 22:05 ...
https://stackoverflow.com/ques... 

Storing SHA1 hash values in MySQL

.... When storing the hash as binary, phpmyadmin will display the it as a hex string, but pma will be unable to use it in the provided "search tab". Will work only if you add the UNHEX() manually to the sql. – Timo Huovinen Jan 14 '14 at 12:05 ...
https://stackoverflow.com/ques... 

What is the C# equivalent of NaN or IsNumeric?

What is the most efficient way of testing an input string whether it contains a numeric value (or conversely Not A Number)? I guess I can use Double.Parse or a regex (see below) but I was wondering if there is some built in way to do this, such as javascript's NaN() or IsNumeric() (was that VB...
https://stackoverflow.com/ques... 

What platforms have something other than 8-bit char?

...tem libraries only supported the wide char versions of functions that take strings, and that at least some versions of WinCE removed the ANSI string functions like strlen, to stop you doing char string-handling. But did it really not have a char type at all? What was sizeof(TCHAR)? What type did mal...
https://stackoverflow.com/ques... 

How to create a memory leak in Java?

...eClass { static final ArrayList list = new ArrayList(100); } Calling String.intern() on lengthy String String str=readString(); // read lengthy string any source db,textbox/jsp etc.. // This will place the string in memory pool from which you can't remove str.intern(); (Unclosed) open strea...
https://stackoverflow.com/ques... 

Store boolean value in SQLite

... Which is better in term of performance! true/false as strings or 0/1 integer? – Muhammad Babar Aug 9 '15 at 13:38 ...
https://stackoverflow.com/ques... 

How to print (using cout) a number in binary form?

... Thanks Jerry, I discovered to_string minutes later. FYI, casting doesn't work, the bitset variable is an object of some really arcane-looking bitset3ul (?!) class. Best to let the abstractions do the work! – nirvanaswap ...
https://stackoverflow.com/ques... 

Generate random password string with requirements in javascript

I want to generate a random string that has to have 5 letters from a-z and 3 numbers. 18 Answers ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

Iterate over the lines of a string

I have a multi-line string defined like this: 6 Answers 6 ...