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When would anyone use a union? Is it a remnant from the C-only days?
...For example, let's say you want to create your own Variant type:
struct my_variant_t {
int type;
union {
char char_value;
short short_value;
int int_value;
long long_value;
float float_value;
double double_value;
void* ptr_value;
}...
Turn off Visual Studio Attach security warning when debugging IIS
...ivate registry location, see this answer: https://stackoverflow.com/a/41122603/67910
For VS 2017, save this gist as a *.ps1 file and run it as admin, or copy and paste the following code in a ps1 file:
#IMPORTANT: Must be run as admin
dir $env:LOCALAPPDATA\Microsoft\VisualStudio\15.* | % {
#h...
What does the Reflect object do in JavaScript?
...ing on Google. Today I found this http://people.mozilla.org/~jorendorff/es6-draft.html#sec-reflect-object and it sounds similar to the Proxy object apart from the realm and loader functionality.
...
How to redirect to a 404 in Rails?
...
1056
Don't render 404 yourself, there's no reason to; Rails has this functionality built in already. ...
Remove characters except digits from string using Python?
...t;>
string.maketrans makes a translation table (a string of length 256) which in this case is the same as ''.join(chr(x) for x in range(256)) (just faster to make;-). .translate applies the translation table (which here is irrelevant since all essentially means identity) AND deletes characters...
Python - Count elements in list [duplicate]
...|
edited Dec 4 '14 at 23:26
Charlie
6,5134545 silver badges5050 bronze badges
answered Nov 9 '10 at 2:41...
mfc 按钮变成了非xp风格、界面变成windows经典样式？ - C++ UI - 清泛IT社...
... xp风格
stdafx.h中添加：
#ifdef _UNICODE
#if defined _M_IX86
#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' language='*'\"")
#eli...
Mapping over values in a python dictionary
...
376
There is no such function; the easiest way to do this is to use a dict comprehension:
my_dictio...
How to print the contents of RDD?
...
Jacek Laskowski
61.1k2020 gold badges187187 silver badges343343 bronze badges
answered Apr 24 '14 at 13:53
OussamaOus...
How to assert output with nosetest/unittest in python?
... contextmanager
from StringIO import StringIO
@contextmanager
def captured_output():
new_out, new_err = StringIO(), StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdout, sys.stderr = new_out, new_err
yield sys.stdout, sys.stderr
finally:
sys.s...