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Random Number Between 2 Double Numbers
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I suggest to put as a seed new Random((int)DateTime.Now.Ticks) this should make it "more random" even in quick loops.
– Daniel Skowroński
Aug 22 '12 at 20:03
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Calling C++ class methods via a function pointer
...mal* pAnimal = (*pNew)();
pAnimal->makeNoise();
return 0;
}
Now although you can normally use a Dog* in the place of an Animal* thanks to the magic of polymorphism, the type of a function pointer does not follow the lookup rules of class hierarchy. So an Animal method pointer is not ...
Can a project have multiple origins?
...rebase/push on there behalf by using there fork and are able to merge code now, not tomorrow).
– Benoit Drapeau
Oct 20 '17 at 3:04
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Autocompletion in Vim
...ic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...eem to be a way to work around it.
UPDATE:
In iOS 4.3 and later, you can now implement `-disablesAutomaticKeyboardDismissal' on your view controller to return NO:
- (BOOL)disablesAutomaticKeyboardDismissal {
return NO;
}
This fixes the issue.
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How can I format a decimal to always show 2 decimal places?
...ring formatting
Python 3.6 introduced literal string interpolation (also known as f-strings) so now you can write the above even more succinct as:
>>> f'{pi:.2f}'
'3.14'
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JavaScript function order: why does it matter?
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var foo = 42;
//the interpreter turns it into this:
var foo;
foo = 42;
Now, how function declarations are handled:
var foo = 42;
function bar() {}
//turns into
var foo; //Insanity! It's now at the top
function bar() {}
foo = 42;
The var statements "throws" the creation of foo to the very top...
javascript scroll event for iPhone/iPad?
... ehm .. actually, window.onscroll is firing on my ipad all the time now, while panning, and after panning, while decelerating. did something change ?
– commonpike
Apr 21 '15 at 21:18
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Text size and different android screen sizes
I know, it was discussed already 1000 times, but I can't adjust the text size for different screen sizes. I try to use 'sp' as size units in my custom style:
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How to use gitignore command in git
...nch on github and it pushed all the library and documents into the github. Now what can I do and how can I use gitignore command to avoid the same mistake again.
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