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Convert a character digit to the corresponding integer in C
...the same for letters, for example:
char c = 'b';
int x = c - 'a'; // x is now not necessarily 1
The standard guarantees that the char values for the digits '0' to '9' are contiguous, but makes no guarantees for other characters like letters of the alphabet.
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Get Output From the logging Module in IPython Notebook
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For anyone trying to do this in Python 3: reload is now imp.reload
– kuzzooroo
Jan 15 '15 at 17:09
11
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Git push existing repo to a new and different remote repo server?
...upstream
git remote add origin URL_TO_GITHUB_REPO
git push origin master
Now you can work with it just like any other github repo. To pull in patches from upstream, simply run git pull upstream master && git push origin master.
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Android 4.2: back stack behaviour with nested fragments
...only the feasible case I have said. =)
Note: Since getFragments method is now a private method, this solution will not work. You can check comments for a link which suggests a solution about this situation.
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Effects of the extern keyword on C functions
...ar.c.
Here is foo.c
#include <stdio.h>
volatile unsigned int stop_now = 0;
extern void bar_function(void);
int main(void)
{
while (1) {
bar_function();
stop_now = 1;
}
return 0;
}
Now, here is bar.c
#include <stdio.h>
extern volatile unsigned int stop_now;
void b...
Generate random number between two numbers in JavaScript
...the equation, this is equivalent to
0 <= (X - min) <= (max - min)
Now, lets multiply this with a random number r
which is
0 <= (X - min) * r <= (max - min) * r
Now, lets add back min to the equation
min <= min + (X - min) * r <= min + (max - min) * r
Now, lets chose a funct...
What is an “unwrapped value” in Swift?
...birthday presents that come in stiff, hard, colored wrapping.
You don't know if there's anything inside the wrapping until you unwrap the present — maybe there is nothing at all inside! If there is something inside, it could be yet another present, which is also wrapped, and which also might con...
How do I convert an interval into a number of hours with postgres?
...you want integer i.e. number of days:
SELECT (EXTRACT(epoch FROM (SELECT (NOW() - '2014-08-02 08:10:56')))/86400)::int
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How to check if a number is a power of 2
...that
is, the result is true if and only if both its operands are true.
Now let's take a look at how this all plays out:
The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone ...
Offset a background image from the right using CSS
...10px from the right */
background-position: right 10px top;
As far as I know this is not supported in IE8. In latest Chrome/Firefox it works fine.
See Can I use for details on the supported browsers.
Used source: http://tanalin.com/en/blog/2011/09/css3-background-position/
Update:
This feature...