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isset() and empty() - what to use
Could you help me to improve my coding style?:) In some tasks I need to check - is variable empty or contains something. To solve this task, I usually do the following.
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How do I remove the Devise route to sign up?
I'm using Devise in a Rails 3 app, but in this case, a user must be created by an existing user, who determines what permissions he/she will have.
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Subset of rows containing NA (missing) values in a chosen column of a data frame
...ve a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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Use of ~ (tilde) in R programming Language
I saw in a tutorial about regression modeling the following command :
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Does R have an assert statement as in python?
a statement that checks if something is true and if not prints a given error message and exits
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git add all except ignoring files in .gitignore file
I am adding source control to a project that had none. The problem is that there are a lot of files to initially add to git with a .gitignore file, but I can't figure out how to add all files without including the files matching something in the .gitignore file.
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Which is the best library for XML parsing in java [closed]
I'm searching the java library for parsing XML (complex configuration and data files), I googled a bit but couldn't found other than dom4j (Seems like they are working on V2).. I have taken look at commons configuration but didn't like it, Other apache projects on XML seems under hibernation. I have...
Turn off CSRF token in rails 3
...Phone application.
I want to be able to simply post on a resource without minding on get the correct CSRF token.
I tried some methods that I see here in stackoverflow but it seems they no longer work on rails 3.
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Remove file from the repository but keep it locally
I have a folder which I'd like to remove in my remote repository. I'd like to delete it, but keep the folder in my computer
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New lines inside paragraph in README.md
When editing an issue and clicking Preview the following markdown source:
4 Answers
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