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How do you run a single query through mysql from the command line?
...hould be the first result in a google search (for "mysql exec sql from command line") and not the huge mysql site!
– Guillaume Bois
Apr 4 '17 at 17:48
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Using Mockito to mock classes with generic parameters
...ovitiate I couldn't find any deprecation annotations on MockitoJUnitRunner and Mock in 1.9.5. So, what is deprecated? (Yes, org.mockito.MockitoAnnotations.Mock is deprecated, but you should use org.mockito.Mock instead)
– neu242
May 22 '14 at 7:31
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How can I split a text into sentences?
...Russian -- see can NLTK/pyNLTK work “per language” (i.e. non-english), and how?.
– martineau
Jan 2 '11 at 0:28
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How to pass the password to su/sudo/ssh without overriding the TTY?
...nt their passwords in console input (the TTY) rather than stdin or the command line.
21 Answers
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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
I was trying run gem install json and got the following error
10 Answers
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Remove duplicate elements from array in Ruby
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array = array.uniq
uniq removes all duplicate elements and retains all unique elements in the array.
This is one of many beauties of the Ruby language.
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How to pause a YouTube player when hiding the iframe?
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The easiest way to implement this behaviour is by calling the pauseVideo and playVideo methods, when necessary. Inspired by the result of my previous answer, I have written a pluginless function to achieve the desired behaviour.
The only adjustments:
I have added a function, toggleVideo
I have ...
subtle differences between JavaScript and Lua [closed]
...oesn't convert between types for any comparison operators. In JS, only === and !== don't type juggle.
Lua has an exponentiation operator (^); JS doesn't. JS uses different operators, including the ternary conditional operator (?: vs and/or), and, as of 5.3, bitwise operators (&, |, etc. vs. meta...
convert an enum to another type of enum
I have an enum of for example ' Gender ' ( Male =0 , Female =1 ) and I have another enum from a service which has its own Gender enum ( Male =0 , Female =1, Unknown =2 )
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Apply a function to every row of a matrix or a data frame
Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrix and get a n-vector. How to do this in R?
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