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Log to the base 2 in python
...s the natural logarithm (base e) of x.
In [25]: math.log(8,2)
Out[25]: 3.0
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Regex empty string or email
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edited Feb 21 '11 at 9:08
answered Feb 21 '11 at 9:02
Da...
Why are there two kinds of functions in Elixir?
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A function can have multiple clauses too:
x = 1
fun = fn
y when y < 0 -> x - y
y -> x + y
end
fun.(2) #=> 3
fun.(-2) #=> 3
Now, let's try something different. Let's try to define different clauses expecting a different number of arguments:
fn
x, y -> x + y
x -> x
en...
Generic method multiple (OR) type constraint
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answered May 31 '12 at 12:50
Botz3000Botz3000
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What is the meaning of the term arena in relation to memory?
... For example:
char * arena = malloc(HUGE_NUMBER);
unsigned int current = 0;
void * my_malloc(size_t n) { current += n; return arena + current - n; }
The point is that you get full control over how the memory allocation works. The only thing outside your control is the single library call for th...
Have a div cling to top of screen if scrolled down past it [duplicate]
I have a div which, when my page is first loaded, is about 100px from the top (it holds some buttons etc. for the page).
4 ...
The Role Manager feature has not been enabled
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304
You can do this by reading from the boolean property at:
System.Web.Security.Roles.Enabled
T...
Make body have 100% of the browser height
I want to make body have 100% of the browser height. Can I do that using CSS?
21 Answers
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How do CDI and EJB compare? interact?
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50
CDI: it is about dependency injection. It means that you can inject interface implementation any...
How to update Python?
I have version 2.7 installed from early 2012. I can't find any consensus on whether I should completely uninstall and wipe this version before putting on the latest version.
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