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Python glob multiple filetypes
... of extensions into a single glob pattern, you can do the following:
mask_base = r'music/*/*.'
exts = ['mp3', 'flac', 'wma']
chars = ''.join('[{}]'.format(''.join(set(c))) for c in zip(*exts))
mask = mask_base + chars + ('*' if len(set(len(e) for e in exts)) > 1 else '')
print(mask) # music/*/*...
Why is division in Ruby returning an integer instead of decimal value?
...it to learn what works best. Here's the benchmark I put together: require 'base64';require 'zlib';puts Zlib.inflate(Base64.decode64("eJxlkMEOwiAQRO98hekFuGzxQEwPXvwR01ZqiYHqBk2Tln8XDlWgnDbM25nJonq9NaoD7ZTtR9PigxK09zM7AkgRHieXTYHOsBNf1nklM6B6TuhYpdp+rPgSdiCOi/d/kQ71QBOtAVFLEDly05+UYQ2H+MckL6z0zioDdJG...
urllib2.HTTPError: HTTP Error 403: Forbidden
...Y
END_DATE= date(2017, 9, 14) # End date of stock quote data DD-MM-YYYY
BASE_URL = "https://www.nseindia.com/products/dynaContent/common/productsSymbolMapping.jsp?symbol={security}&segmentLink=3&symbolCount=1&series=ALL&dateRange=+&fromDate={start_date}&toDate={end_date}&a...
How to hash a string into 8 digits?
...thon3 -c 'print(hash("foo"))'
-8152690834165248934
This means the hash()-based solution suggested, which can be shortened to just:
hash(s) % 10**8
will only return the same value within a given script run:
#Python 2:
$ python2 -c 's="your string"; print(hash(s) % 10**8)'
52304543
$ python2 -c '...
Javascript: Extend a Function
... javascript extension.
First let us extend javascript function.
function Base(props) {
const _props = props
this.getProps = () => _props
// We can make method private by not binding it to this object.
// Hence it is not exposed when we return this.
const privateMethod = ()...
Why does git revert complain about a missing -m option?
...o do
git cherry-pick -m 2 mycommitsha
This is because -m 1 would merge based on the common parent where as -m 2 merges based on branch y, that is the one I want to cherry-pick to.
share
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improv...
How to add two strings as if they were numbers? [duplicate]
...cs for parseFloat
In parseInt radix is specified as ten so that we are in base 10. In nonstrict javascript a number prepended with 0 is treated as octal. This would obviously cause problems!
parseInt(num1, 10) + parseInt(num2, 10) //base10
parseFloat(num1) + parseFloat(num2)
Also see ChaosPandio...
What's an elegant way to conditionally add a class to an HTML element in a view?
I occasionally have to add a class to an html element based on a condition. The problem is I can't figure out a clean way of doing it. Here's an example of the stuff I've tried:
...
Difference between natural join and inner join
...t specify the joining columns in a natural join; the join is strictly name-based. See also Wikipedia.)
(There's a cheat in the inner join output; the a. and b. parts would not be in the column names; you'd just have column1, column2, column1, column3 as the headings.)
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Rails 4 Authenticity Token
...
For my Rails 4.0.8 based App it was enough to write =token_tag nil or (in .erb) <%= token_tag nil %>
– jmarceli
Nov 10 '14 at 20:40
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