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drag drop files into standard html file input
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13 Answers
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Does Ruby regular expression have a not match operator like “!~” in Perl?
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156
Yes: !~ works just fine – you probably thought it wouldn’t because it’s missing from the...
How to position a DIV in a specific coordinates?
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175
Script its left and top properties as the number of pixels from the left edge and top edge res...
Count cells that contain any text
...ts not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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Set operations (union, intersection) on Swift array?
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186
Yes, Swift has the Set class.
let array1 = ["a", "b", "c"]
let array2 = ["a", "b", "d"]
let ...
Replace all non-alphanumeric characters in a string
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186
Regex to the rescue!
import re
s = re.sub('[^0-9a-zA-Z]+', '*', s)
Example:
>>> ...
How to read/write a boolean when implementing the Parcelable interface?
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JSON.parse unexpected character error
...e not parsing a string, you're parsing an already-parsed object :)
var obj1 = JSON.parse('{"creditBalance":0,...,"starStatus":false}');
// ^ ^
// if you want to parse, the input should be a string
var obj2 = {"creditBa...
Python, remove all non-alphabet chars from string
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Use re.sub
import re
regex = re.compile('[^a-zA-Z]')
#First parameter is the replacement, se...
How to shorten my conditional statements
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15 Answers
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