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Placing Unicode character in CSS content value [duplicate]
...\2193";
}
The general format for a Unicode character inside a string is \000000 to \FFFFFF – a backslash followed by six hexadecimal digits. You can leave out leading 0 digits when the Unicode character is the last character in the string or when you add a space after the Unicode character. See ...
Android Bitmap to Base64 String
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305
use following method to convert bitmap to byte array:
ByteArrayOutputStream byteArrayOutputStr...
Tools for making latex tables in R [closed]
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answered Mar 28 '11 at 21:50
community wiki
Spac...
Why can I add named properties to an array as if it were an object?
...ay['B'] = "Berlin";
alert(myArray.length);
This won't display '2', but '0' - effectively, no elements have been added to the array, just some new properties added to the array object.
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imp...
Rails: fields_for with index?
...many years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, question do |fq| %>
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How to URL encode a string in Ruby
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edited Apr 26 at 2:03
Matthias Winkelmann
12.8k55 gold badges5353 silver badges6565 bronze badges
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How can I multiply all items in a list together with Python?
...tools import reduce
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
Python 2: use reduce:
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
For compatible with 2 and 3 use pip install six, then:
>>> from six.moves import reduce
>>> reduce(lambda x, y: x*y, [1,...
Change all files and folders permissions of a directory to 644/755
...ould be using find:
for directories
find /desired_location -type d -print0 | xargs -0 chmod 0755
for files
find /desired_location -type f -print0 | xargs -0 chmod 0644
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How to implement a queue with three stacks?
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+50
SUMMARY
O(1) algorithm is known for 6 stacks
O(1) algorithm is known for 3 stacks, but using lazy evaluation which in practice corre...