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Copy values from one column to another in the same table
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369
Short answer for the code in question is:
UPDATE `table` SET test=number
Here table is the ...
How does one unit test routes with Express?
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answered Mar 1 '12 at 14:39
Linus ThielLinus Thiel
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How to open a file using the open with statement
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317
Python allows putting multiple open() statements in a single with. You comma-separate them. ...
TCP loopback connection vs Unix Domain Socket performance
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vanthome
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answered Apr 11 '13 at 14:59
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Devise form within a different controller
... Rupert Madden-AbbottRupert Madden-Abbott
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mongoDB/mongoose: unique if not null
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173
As of MongoDB v1.8+ you can get the desired behavior of ensuring unique values but allowing mult...
Update parent scope variable in AngularJS
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193
You need to use an object (not a primitive) in the parent scope and then you will be able to upd...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
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edited Aug 7 '13 at 14:15
Guillaume
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ans...
hexadecimal string to byte array in python
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>>> hex_data
"\xde\xad\xbe\xef"
or since Python 2.7 and Python 3.0:
>>> bytes.fromhex(hex_string) # Python ≥ 3
b'\xde\xad\xbe\xef'
>>> bytearray.fromhex(hex_string)
bytearray(b'\xde\xad\xbe\xef')
Note that bytes is an immutable version of bytearray.
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React.js: Wrapping one component into another
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