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Generating random numbers in Objective-C
...C Library (libc, -lc)
SYNOPSIS
#include <stdlib.h>
u_int32_t
arc4random(void);
void
arc4random_stir(void);
void
arc4random_addrandom(unsigned char *dat, int datlen);
DESCRIPTION
The arc4random() function uses the key stream generator employed by the...
How do I get the n-th level parent of an element in jQuery?
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268
Since parents() returns the ancestor elements ordered from the closest to the outer ones, you ...
PostgreSQL: Which Datatype should be used for Currency?
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Numeric with forced 2 units precision. Never use float or float like datatype to represent currency because if you do, people are going to be unhappy when the financial report's bottom line figure is incorrect by + or - a few dollars.
The mon...
What happens to a github student account's repositories at the end of 2 years?
...er, but I'm wondering what will happen to those repositories at the end of 2 years when my free student upgrade expires. I'm assuming it's the same thing that happens when you downgrade from a micro to a free account.
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How to allow only numeric (0-9) in HTML inputbox using jQuery?
...nput text field in which I want to allow only numeric characters like (0,1,2,3,4,5...9) 0-9.
68 Answers
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
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102
Granted that the behavior is inconsistent, but I think it's easy to imagine cases where this is ...
What is the maximum float in Python?
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279
For float have a look at sys.float_info:
>>> import sys
>>> sys.float_info
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Get last result in interactive Python shell
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243
Underscore.
>>> 5+5
10
>>> _
10
>>> _ + 5
15
>>> _
15
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AJAX Mailchimp signup form integration
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242
You don't need an API key, all you have to do is plop the standard mailchimp generated form in...