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Why is an int in OCaml only 31 bits?
... like true, false, nil, the 127 ASCII characters, some commonly used short strings, the empty list, the empty object, the empty array and so on near the 0 address.
For example, in the MRI, YARV and Rubinius Ruby interpreters, integers are encoded the way I described above, false is encoded as addre...
Replace non-numeric with empty string
...et passed "(913)-444-5555" or anything else, is there a quick way to run a string through some kind of special replace function that I can pass it a set of characters to allow?
...
std::string length() and size() member functions
...ion and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is no difference between size() and lengt...
HTML form readonly SELECT tag/input
...eption (for example if we didn't handle this situation, and we expect one string and use 'Request.Form[FieldName]' command)
– M.i.T
Nov 17 '15 at 5:36
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PreparedStatement IN clause alternatives?
...ng multiple comma-delimited parameters.
*
* @param sql The SQL statement string with one IN clause.
* @param params The number of parameters the SQL statement requires.
* @return The SQL statement with (?) replaced with multiple parameter
* placeholders.
*/
public static String any(String sql,...
Guaranteed lifetime of temporary in C++?
...Schaub: What is a "full-expression" in this case: printf("%s", strdup(std::string("$$$").c_str()) ); ?I mean if strdup(std::string("$$$").c_str()) is taken as the full expression, then the pointer that strdup sees is valid. If std::string("$$$").c_str() is a full expression, then the pointer that st...
Integer to hex string in C++
How do I convert an integer to a hex string in C++ ?
17 Answers
17
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How to make an OpenGL rendering context with transparent background?
...-------*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include <GL/glxext.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrender.h>
#include <X11/Xutil.h>
#defin...
Generic TryParse
...am trying to create a generic extension that uses 'TryParse' to check if a string is a given type:
23 Answers
...
Should I impose a maximum length on passwords?
...hed, the password length wouldn't matter to them (hash functions convert a string of any length to a fixed length).
– Vicky Chijwani
Apr 15 '17 at 13:58
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