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Deep copy of a dict in python
... my_copy = copy.copy(my_dict)
my_deepcopy = copy.deepcopy(my_dict)
Now if you change
my_dict['a'][2] = 7
and do
print("my_copy a[2]: ",my_copy['a'][2],",whereas my_deepcopy a[2]: ", my_deepcopy['a'][2])
you get
>> my_copy a[2]: 7 ,whereas my_deepcopy a[2]: 3
...
What new capabilities do user-defined literals add to C++?
...'t ever bother
// you elsewhere
std::complex<double> z1 = 1 + 2_i ;
Now, both C99 "double complex" type and C++ "std::complex" type are able to be multiplied, added, subtracted, etc., using operator overloading.
But in C99, they just added another type as a built-in type, and built-in operato...
Using a piano keyboard as a computer keyboard [closed]
...played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard strokes. I know nothing at all about MIDI but I would like some guidance on how to convert this signal into a keystroke.
...
CUDA incompatible with my gcc version
...s in newer CUDA toolchain release
As of the CUDA 4.1 release, gcc 4.5 is now supported. gcc 4.6 and 4.7 are unsupported.
As of the CUDA 5.0 release, gcc 4.6 is now supported. gcc 4.7 is unsupported.
As of the CUDA 6.0 release, gcc 4.7 is now supported.
As of the CUDA 7.0 release, gcc 4.8 is fully ...
Set value to NULL in MySQL
...emname')");
So the $quantity is outside of the main string.
My sql table now accepted to record null quantity instead of 0
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How to set ViewBag properties for all Views without using a base class for Controllers?
.....
@{
var myController = (_BaseController)ViewContext.Controller;
}
Now you can refer to values in your base controller from your layout page.
@myController.MyCommonValue
Import regular CSS file in SCSS file?
...st use a different tool to import your CSS files, it's easier and it works now. I use gulp-import-css, I'm not sure what's the Grunt equivalent.
– fregante
May 18 '14 at 2:32
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Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...ive-c term for the object that is receiving the message (methods are also known as messages) so in my example here the receiver is superview.
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Are PDO prepared statements sufficient to prevent SQL injection?
....6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here.
Now, it's very important to note the use of SET NAMES here. This sets the character set ON THE SERVER. There is another way of doing it, but we'll get there soon enough.
The Payload
The payload we're going to use for this in...
How to parse float with two decimal places in javascript?
..., had a string variable instead of a number, which toFixed() needs - fixed now. But Rob's answer using Math.round is something to consider in terms of performance.
– pvanallen
Apr 9 '15 at 19:26
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