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Can a class member function template be virtual?
...using MinGW G++ 3.4.5 on Window 7:
#include <iostream>
#include <string>
using namespace std;
template <typename T>
class A{
public:
virtual void func1(const T& p)
{
cout<<"A:"<<p<<endl;
}
};
template <typename T>
class B
: public...
Why is the default value of the string type null instead of an empty string?
It's quite annoying to test all my strings for null before I can safely apply methods like ToUpper() , StartWith() etc...
...
What are the basic rules and idioms for operator overloading?
...oo {
public:
// Overloaded call operator
int operator()(const std::string& y) {
// ...
}
};
Usage:
foo f;
int a = f("hello");
Throughout the C++ standard library, function objects are always copied. Your own function objects should therefore be cheap to copy. If a functi...
From Arraylist to Array
...le to convert from ArrayList to Array?
I have a text file with each line a string:
9 Answers
...
How to search file text for a pattern and replace it with a given value
... of Ruby's capabilities, and not a production-grade solution for replacing strings in files. It's prone to various failure scenarios, such as data loss in case of a crash, interrupt, or disk being full. This code is not fit for anything beyond a quick one-off script where all the data is backed up. ...
How to unzip a file using the command line? [closed]
...zip
Complete set of options for the jar tool available here.
Examples:
Extract jar file
jar x[v]f jarfile [inputfiles] [-Joption]
jar x[v] [inputfiles] [-Joption]
share
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improve this ...
Run Command Prompt Commands
...
this is all you have to do run shell commands from C#
string strCmdText;
strCmdText= "/C copy /b Image1.jpg + Archive.rar Image2.jpg";
System.Diagnostics.Process.Start("CMD.exe",strCmdText);
EDIT:
This is to hide the cmd window.
System.Diagnostics.Process process = new Syste...
How to remove the hash from window.location (URL) with JavaScript without page refresh?
...
Use this line to make sure you don't lose the query string: history.pushState("", document.title, window.location.pathname + window.location.search);
– Phil Kulak
Mar 13 '12 at 15:56
...
RESTful Authentication
...as the signing token. Signing should occur before URL encoding the
query string.
This technique is perhaps the more compatible with a Stateless architecture, and can also be implemented with a light session management (using in-memory sessions instead of DB persistence).
For instance, here is a...
Change URL parameters
...t that weird stuff out of your URL. Or, in other words, "change your query-string to use only valid UTF-8 characters". :) F8 alone isn't a valid UTF-8 character.
– Matthew Flaschen
Jul 7 '09 at 9:51
...