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print memory address of Python variable [duplicate]
...d() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address.
I want to do something like print &x , where x is a C++ int variable for example.
How can I do this in Python?
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Mac OS X安装Bochs - 更多技术 - 清泛网 - 专注C/C++及内核技术
Mac OS X安装Bochs1.安装x11;2.开启Mac OS X的root用户3.configure我在这里遇到的问题是，提示我少一个这个头文件X11 extensions Xrandr.h谷歌了一下，机子...1.安装x11;
2.开启Mac OS X的root用户
3.configure
我在这里遇到的问题是，提示我少一个...
Running V8 Javascript Engine Standalone
...shell.
Running the console:
$> ./v8-shell
V8 version 2.0.2
> var x = 10;
> x
10
> function foo(x) { return x * x; }
> foo
function foo(x) { return x * x; }
> quit()
Executing Javascript from the command line:
$> ./v8-shell -e 'print("10*10 = " + 10*10)'
10*10 = 100
Man...
What is an invariant?
The word seems to get used in a number of contexts. The best I can figure is that they mean a variable that can't change. Isn't that what constants/finals (darn you Java!) are for?
...
“x not in y” or “not x in y”
...tor, which could be applied to a in b just as easily as any other boolean expression, whereas not in was a separate operator for convenience and clarity.
The disassembly above was revealing! It seems that while not obviously is a logical negation operator, the form not a in b is special cased so th...
How to filter by IP address in Wireshark?
...
Match destination: ip.dst == x.x.x.x
Match source: ip.src == x.x.x.x
Match either: ip.addr == x.x.x.x
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How can I create a correlation matrix in R?
...
An example,
d &lt- data.frame(x1=rnorm(10),
x2=rnorm(10),
x3=rnorm(10))
cor(d) # get correlations (returns matrix)
...
undefined reference to `WinMain@16'
...
Consider the following Windows API-level program:
#define NOMINMAX
#include <windows.h>
int main()
{
MessageBox( 0, "Blah blah...", "My Windows app!", MB_SETFOREGROUND );
}
Now let's build it using GNU toolchain (i.e. g++), no special options. Here gnuc is just a batch file th...
Finding differences between elements of a list
...t izip as zip
def differences(seq):
iterable, copied = tee(seq)
next(copied)
for x, y in zip(iterable, copied):
yield y - x
Or using itertools.islice instead:
from itertools import islice
def differences(seq):
nexts = islice(seq, 1, None)
for x, y in zip(seq, nexts):...
Using python map and other functional tools
... nest of bugs introduced by having global state. As maptest depends on an external definition of bars, this principle is broken.
– image_doctor
Jul 10 '13 at 13:22
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