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Understanding __get__ and __set__ and Python descriptors
... __get__(self, instance, owner):
return 5 * (instance.fahrenheit - 32) / 9
def __set__(self, instance, value):
instance.fahrenheit = 32 + 9 * value / 5
class Temperature:
celsius = Celsius()
def __init__(self, initial_f):
self.fahrenheit = initial_f
t = Tem...
How do I print the type of a variable in Rust?
...e, set the variable to a type which doesn't work:
let mut my_number: () = 32.90;
// let () = x; would work too
error[E0308]: mismatched types
--> src/main.rs:2:29
|
2 | let mut my_number: () = 32.90;
| ^^^^^ expected (), found floating-point number
|
= ...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Cast Object to Generic Type for returning
... |
edited Mar 1 '18 at 13:32
answered Jan 25 '13 at 15:19
S...
How to make an array of arrays in Java
...10][]?
– Jon Skeet
Jan 24 '11 at 11:32
Yes. Similar to Peter's answer.
– Terence Ponce
...
How to easily map c++ enums to strings
...
32
MSalters solution is a good one but basically re-implements boost::assign::map_list_of. If you ...
How to get current CPU and RAM usage in Python?
...pports Linux, Windows, OSX, Sun Solaris, FreeBSD, OpenBSD and NetBSD, both 32-bit and 64-bit architectures, with Python versions from 2.6 to 3.5 (users of Python 2.4 and 2.5 may use 2.1.3 version).
Some examples:
#!/usr/bin/env python
import psutil
# gives a single float value
psutil.cpu_percent()...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
... '(gobble_args(0,ltr_fun(1),ltr_fun(2),ltr_fun(3),ltr_fun(4)),ltr_result==4321)' is false.
ltr_result is 1234 in this case
..25a pointer arithmetic works outside arrays
but '(diff=&p1-&p2, &p2+diff==&p1)' is false.
..26 sizeof() does not evaluate its arguments
but '(i=10,sizeof(char[...
CDC:DrawText 多行显示文本（文本自动换行） - C++ UI - 清泛IT社区，为创新赋能！
... LPRECT lpRect, // formatting dimensions
UINT uFormat // text-drawing options
);参数：
hdc：设备环境句柄。
lpString：指向将被写入的字符串的指针，如果参数nCount是C1，则字符...
How to print instances of a class using print()?
... anyway...)
– kender
Oct 8 '09 at 5:32
@kender - I didn't know about it, but in retrospect it makes perfect sense give...