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Using scanf() in C++ programs is faster than using cin?
...nclude <iostream>
int main(int argc, char **argv) {
int parity = 0;
int x;
while (std::cin >> x)
parity ^= x;
std::cout << parity << std::endl;
return 0;
}
scanf version:
#include <stdio.h>
int main(int argc, char **argv) {
int parity = 0;
int...
How do I list all files of a directory?
...
answered Jul 8 '10 at 21:01
pycruftpycruft
48k11 gold badge1515 silver badges1010 bronze badges
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Drawing text to with @font-face does not work at the first time
...
answered May 3 '10 at 7:14
bobincebobince
485k9999 gold badges611611 silver badges797797 bronze badges
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Mercurial stuck “waiting for lock”
...
answered Aug 15 '08 at 23:20
jm.jm.
21.7k2020 gold badges6868 silver badges9090 bronze badges
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How do I make HttpURLConnection use a proxy?
...stance to the openConnection(proxy) method:
//Proxy instance, proxy ip = 10.0.0.1 with port 8080
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("10.0.0.1", 8080));
conn = new URL(urlString).openConnection(proxy);
If your proxy requires authentication it will give you response 407....
How to autosize a textarea using Prototype?
...t's what I'm familiar with):
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="http://www.google.com/jsapi"></script>
<script language="javascript">
...
Resolve absolute path from relative path and/or file name
...
160
In batch files, as in standard C programs, argument 0 contains the path to the currently executi...
How to set Meld as git mergetool
...set the path to Meld
$ git config --global mergetool.meld.path C:/meld-1.6.0/Bin/meld.sh
With a script meld.sh:
#!/bin/env bash
C:/Python27/pythonw.exe C:/meld-1.6.0/bin/meld $@
abergmeier mentions in the comments:
I had to do:
git config --global merge.tool meld
git config --global me...
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...econds, but on this Linux box I'm working on, it rounds it to the nearest 1000 so the precision is only to the "second" level and not to the milliseconds level.
...
Getting distance between two points based on latitude/longitude
...n, cos, sqrt, atan2, radians
# approximate radius of earth in km
R = 6373.0
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 * ata...