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Where do “pure virtual function call” crashes come from?
...rom constructor?";
}
class Derived : public Base
{
void doIt() {}
};
int main(void)
{
Derived d; // This will cause "pure virtual function call" error
}
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Case-insensitive search
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Sorry how can you convert "best" into a variable in your first example? string.match(/best/i);
– Doug Molineux
Oct 23 '15 at 16:00
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Using braces with dynamic variable names in PHP
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Tom if you have existing array you can convert that array to object and use it like this:
$r = (object) $MyQueryResult;
echo $r->key;
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Use of “this” keyword in formal parameters for static methods in C#
...ework... .
it means that you can call
MyClass myClass = new MyClass();
int i = myClass.Foo();
rather than
MyClass myClass = new MyClass();
int i = Foo(myClass);
This allows the construction of fluent interfaces as stated below.
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Rounded UIView using CALayers - only some corners - How?
...ew];
[super viewDidLoad];
}
MyView is just a UIImageView subclass:
@interface MyView : UIImageView
{
}
I'd never used graphics contexts before, but I managed to hobble together this code. It's missing the code for two of the corners. If you read the code, you can see how I implemented this ...
subtract two times in python
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It is possible to convert the timedelta object back to datetime ? I mean we have difference_delta .seconds(), is there any way to get back a datetime or time object ? Thx
– dejdej
Dec 11 '18 at 10:28
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Environment variable substitution in sed
... What if the string contains a \ followed by an n - how to stop sed from converting that into a single newline character?
– Max Waterman
Jul 24 at 9:58
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What is the correct way to create a single-instance WPF application?
... the other windows
NativeMethods.PostMessage(
(IntPtr)NativeMethods.HWND_BROADCAST,
NativeMethods.WM_SHOWME,
IntPtr.Zero,
IntPtr.Zero);
}
}
}
NativeMethods.cs
// this class just wraps some Win32 stuf...
Way to get all alphabetic chars in an array in PHP?
...ith Unicode characters. But it's good otherwise. I don't know if one could convert characters to integers and then the opposite to bypass this problem...
– NoOne
Jan 23 '16 at 11:24
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How do you find the last day of the month? [duplicate]
... @JonSkeet That's great thank you, I've taken that method's internals to use as my own extension method until NodaTime 2.0 comes out. In my case, I also want to find the "last possible instant of a specified date", does this method sound reasonable? anyLocalDate.PlusDays(1).AtMidnight...