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Understanding :source option of has_one/has_many through of Rails
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hqt
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answered Jan 8 '11 at 5:12
vonconradvonconrad
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MISCONF Redis is configured to save RDB snapshots
During writes to Redis ( SET foo bar ) I am getting the following error:
31 Answers
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How do I import an SQL file using the command line in MySQL?
I have a .sql file with an export from phpMyAdmin . I want to import it into a different server using the command line.
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Java FileOutputStream Create File if not exists
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Before creating a file, it's needed to create all the parent's directories.
Use yourFile.getParentFile().mkdirs()
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
...t;> in_vec
array([ 0.94, 0.61, 0.65, 0. , 0.77, 0.99, 0.35, 0.81, 0.46, 0.59])
>>> # common activation function, hyperbolic tangent
>>> out_vec = NP.tanh(in_vec)
>>> out_vec
array([ 0.74, 0.54, 0.57, 0. , 0.65, 0.76, 0.34, 0.67, 0.43, 0.53])
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How to append something to an array?
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You can use push and apply function to append two arrays.
var array1 = [11, 32, 75];
var ...
How to compare files from two different branches?
I have a script that works fine in one branch and is broken in another. I want to look at the two versions side-by-side and see what's different. Are there any ways to do this?
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cocoapods - 'pod install' takes forever
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There are 17,000+ files/directories in the specs directory. It's not the most git friendly approach to whatever the heck it is they're doing there.
– Erik Reppen
May 19 '16 at 20:24
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How to subtract a day from a date?
...B.Steve B.
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What is trunk, branch and tag in Subversion? [duplicate]
...eubauer below) the underlying implementation as /tags /branches and /trunk directories is only conventional and not in any way enforced by the tools. Violating these conventions leads to confusion all around, as this breaks habits and expectations of others accessing the repository. Special care mus...