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How do I style a dropdown with only CSS?
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Unmangling the result of std::type_info::name
...;cxxabi.h>
std::string demangle(const char* name) {
int status = -4; // some arbitrary value to eliminate the compiler warning
// enable c++11 by passing the flag -std=c++11 to g++
std::unique_ptr<char, void(*)(void*)> res {
abi::__cxa_demangle(name, NULL, NULL, &...
Getting distance between two points based on latitude/longitude
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lat1 = radians(52.2296756)
lon1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681)
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
distance = R * c
print("Result:", distance)
prin...
How to make a display in a horizontal row
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Om Sao
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answered May 20 '09 at 0:37
hbwhbw
14.6k55 gold badges4646 ...
Given a view, how do I get its viewController?
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42
Yes, the superview is the view that contains your view. Your view shouldn't know which exactly ...
What are the sizes used for the iOS application splash screen?
...een created for iPad launch images. The screen size of the iPad is 768×1024, notice in the dimensions that follow the height takes into account a 20 pixel status bar.
Filename Dimensions
Default-Portrait.png * — 768w x 1024h
Default-PortraitUpsideDown.png — 768w x 1024h
Default-Landscape.png *...
Way to get all alphabetic chars in an array in PHP?
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14 Answers
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Multithreading: What is the point of more threads than cores?
...ase, if you have a quad-core machine, what's the point of having more than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other?
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Writing a Python list of lists to a csv file
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edited Jun 26 '19 at 12:45
bucky
32422 silver badges1414 bronze badges
answered Dec 26 '12 at 7:46
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Automatic HTTPS connection/redirect with node.js/express
...DIRECT --to-port 8080
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 3000
All together, this works exactly as I wanted it to.
To prevent theft of cookies over HTTP, see this answer (from the comments) or use this code:
const session = require('cookie-session');
app.u...