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How to convert a currency string to a double with jQuery or Javascript?
...
This example run ok
var currency = "$1,123,456.00";
var number = Number(currency.replace(/[^0-9\.]+/g,""));
console.log(number);
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What is the best way to programmatically detect porn images? [closed]
...gorithmic image recogniser will drop the ball 15% of the time, then making fun of it when it does exactly that is silly.
But PORNsweeper only seems to live up to its stated specifications in one department - detection of actual porn. It's half-way decent at detecting porn, but it's bad at detecting ...
How do I simulate a hover with a touch in touch enabled browsers?
...htly and adding some JS.
Using jQuery to make it easy:
$(document).ready(function() {
$('.hover').on('touchstart touchend', function(e) {
e.preventDefault();
$(this).toggleClass('hover_effect');
});
});
In english: when you start or end a touch, turn the class hover_effec...
Python OpenCV2 (cv2) wrapper to get image size?
... readability, or don't want to bother typing this, you can wrap it up in a function, and give it a name you like, e.g. cv_size:
import numpy as np
import cv2
# ...
def cv_size(img):
return tuple(img.shape[1::-1])
If you're on a terminal / ipython, you can also express it with a lambda:
>...
Which is faster : if (bool) or if(int)?
... (specifically -O3), here's what I get:
For f():
.type _Z1fi, @function
_Z1fi:
.LFB0:
.cfi_startproc
.cfi_personality 0x3,__gxx_personality_v0
cmpl $1, %edi
sbbl %eax, %eax
andb $58, %al
addl $99, %eax
ret
.cfi_e...
Creating an abstract class in Objective-C
...stringWithFormat:@"%s must be overridden in a subclass/category", __PRETTY_FUNCTION__] userInfo:nil]
#define methodNotImplemented() mustOverride()
then in your methods you can use this
- (void) someMethod {
mustOverride(); // or methodNotImplemented(), same thing
}
Notes: Not sure if maki...
Purpose of Trigraph sequences in C++?
...teral won't get interpreted as a digraph.
For a nice education on various fun with punctuation in C/C++ programs (including a trigraph bug that would defintinely have me pulling my hair out), take a look at Herb Sutter's GOTW #86 article.
Addendum:
It looks like GCC will not process (and will w...
Validating parameters to a Bash script
... as a commentar). i did "$#" to fix it. second, the regex also matches "foo123bar". i fixed it by doing ^[0-9]+$. you may also fix it by using grep's -x option
– Johannes Schaub - litb
Mar 31 '09 at 1:21
...
How to use sidebar with the keyboard in Sublime Text 2 and 3?
...ut for removing the projects from the sidebar?
– depz123
Jun 19 '13 at 18:46
5
Can I invoke conte...
Why doesn't os.path.join() work in this case?
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David WoleverDavid Wolever
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