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Regex Email validation
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answered Mar 17 '11 at 16:56
AlexAlex
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Python argparse: Make at least one argument required
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args = vars(parser.parse_args())
if not any(args.values()):
parser.error('No arguments provided.')
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How to set ViewBag properties for all Views without using a base class for Controllers?
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edited May 20 '16 at 0:57
Rafael Antonio González Romera
1333 bronze badges
answered Mar 28 '...
Python division
...t:
>>> float(10 - 20) / (100 - 10)
-0.1111111111111111
or from __future__ import division, which the forces / to adopt Python 3.x's behavior that always returns a float.
>>> from __future__ import division
>>> (10 - 20) / (100 - 10)
-0.1111111111111111
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Which SQL query is faster? Filter on Join criteria or Where clause?
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66
Performance-wise, they are the same (and produce the same plans)
Logically, you should make th...
When would anyone use a union? Is it a remnant from the C-only days?
...For example, let's say you want to create your own Variant type:
struct my_variant_t {
int type;
union {
char char_value;
short short_value;
int int_value;
long long_value;
float float_value;
double double_value;
void* ptr_value;
}...
Zip lists in Python
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NPENPE
416k8181 gold badges858858 silver badges949949 bronze badges
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Convert SVG image to PNG with PHP
...e as needed, something like*/
$idColorArray = array(
"AL" => "339966"
,"AK" => "0099FF"
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,"WI" => "FF4B00"
,"WY" => "A3609B"
);
foreach($idColorArray as $state => $color){
//Where $color is a RRGGBB hex value
$svg = preg_replace(
'/id="'.$state.'...
What characters are valid for JavaScript variable names?
...s a valid JavaScript variable name according to ECMAScript 5.1 and Unicode 6.1:
P.S. To give you an idea of how wrong Anthony Mills' answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is:
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Getting the current page
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263
There is no UIScrollView property for the current page. You can calculate it with:
int page = ...