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dynamic_cast and static_cast in C++
...lass Derived2 : public Base {};
class ReDerived : public Derived {};
void test( Base & base )
{
dynamic_cast<Derived&>(base);
}
int main() {
Base b;
Derived d;
Derived2 d2;
ReDerived rd;
test( b ); // throw: b is not a Derived object
test( d ); // ok
test...
How to copy a directory structure but only include certain files (using windows batch files)
...S are you using? Do you have the necessary file/folder permissions? I just tested on Win 7 and *.zip worked for me.
– aphoria
Sep 20 '12 at 9:56
...
How to count the number of files in a directory using Python
...
os.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD
print len([name for name in os.listdir('.') if os.path.isfile(name...
Disable copy constructor
...blic NonAssignable {
};
For GCC this gives the following error message:
test.h: In copy constructor ‘SymbolIndexer::SymbolIndexer(const SymbolIndexer&)’:
test.h: error: ‘NonAssignable::NonAssignable(const NonAssignable&)’ is private
I'm not very sure for this to work in every co...
Why is it impossible to override a getter-only property and add a setter? [closed]
...to add another property just for the purpose of serialization.
interface ITest
{
// Other stuff
string Prop { get; }
}
// Implements other stuff
abstract class ATest : ITest
{
abstract public string Prop { get; }
}
// This implementation of ITest needs the user to set the value of Pro...
Unit testing void methods?
What is the best way to unit test a method that doesn't return anything? Specifically in c#.
11 Answers
...
Remove Last Comma from a string
...I got,. commas, here,";
var pattern=/,/g;
var currentIndex;
while (pattern.test(sentence)==true) {
currentIndex=pattern.lastIndex;
}
if(currentIndex==sentence.trim().length)
alert(sentence.substring(0,currentIndex-1));
else
alert(sentence);
...
Test if a vector contains a given element
How to check if a vector contains a given value?
7 Answers
7
...
Use underscore inside Angular controllers
...a lot less likely to want to substitute out your underscore library during testing than some other more specific dependency it's understandable that it doesn't seem necessary.
– fess .
Jun 2 '13 at 3:13
...
Match everything except for specified strings
...x library and it only works like this : ^(?!red|green|blue). Also true for testing it on regex101.com . So is the above a typo missing a ^ or does it actually work like that in Java/Perl/Python .. ?
– Peter
Jul 31 '19 at 9:47
...