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Select rows of a matrix that meet a condition
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This is easier to do if you convert your matrix to a data frame using as.data.frame(). In that case the previous answers (using subset or m$three) will work, otherwise they will not.
To perform the operation on a matrix, you can define a column by n...
Rails Console: reload! not reflecting changes in model files? What could be possible reason?
... have been playing little bit config. So may be i have changed some config unknowingly.
2 Answers
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How can I reference the value of a final static field in the class?
Using JavaDoc, how can I reference the value of a final static field in the class?
1 Answer
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What does it mean when MySQL is in the state “Sending data”?
What does it mean if the Mysql query:
2 Answers
2
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Convert varchar to uniqueidentifier in SQL Server
A table I have no control of the schema for, contains a column defined as varchar(50) which stores uniqueidentifiers in the format 'a89b1acd95016ae6b9c8aabb07da2010' (no hyphens)
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Visual Studio 2013 git, only Master branch listed
I'm using Visual Studio 2013's Git support to work on a private GitHub repository. I have permission to commit to it. I want to switch branches, but when I go to the Branches view, the only branch in any of the lists (branch drop-down, published branches, merge tool) is master. Other branches show u...
connect local repo with remote repo
I have a local repo. I created the whole app but now I want to push it to remote repo. I already have remote repo as well. How can I connect these two repos without losing any work that I did?
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Get value from hidden field using jQuery
I have a <input type="hidden" value="" id='h_v' class='h_v'> Using jQuery I want to alert the user to this value .
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List of Rails Model Types
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The attributes are SQL types, hence the following are supported:
:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:primary_key
:string
:text
:time
:timestamp
These are documented under column in the Active Record API.
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Fill SVG path element with a background-image
Is it possible to set a background-image for an SVG <path> element?
1 Answer
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