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How can I create a correlation matrix in R?
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Django - limiting query results
I want to take the last 10 instances of a model and have this code:
5 Answers
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How to push new branch without history
I have git repo with two unrelated branches, master and configs.
I've created configs, purged all the files and then placed in configuration files only.
Now I want to push this on remote repo, but as it were new, empty branch (without logs of all my changes and old revisions of original branch).
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How to PUT a json object with an array using curl
I have a series of data to enter into database. The user interface to enter the data isn't good for bulk entry, so I'm trying to formulate a command line equivalent. When I examine the network request of the UI in chrome, I see a PUT request of a json object. When I try to replicate the request
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Copy all files with a certain extension from all subdirectories
Under unix, I want to copy all files with a certain extension (all excel files) from all subdirectories to another directory. I have the following command:
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Comparing mongoose _id and strings
I have a node.js application that pulls some data and sticks it into an object, like this:
7 Answers
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How do I flag a method as deprecated in Objective-C 2.0?
... of a team developing a fairly large iPad app and there are many different classes we've created as a result. The trouble is some of the methods are now pretty much obsolete and I don't want simply remove them yet as I know some parts of the overall system use the methods... but there are better (n...
LIKE vs CONTAINS on SQL Server
Which one of the following queries is faster (LIKE vs CONTAINS)?
4 Answers
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Function to return only alpha-numeric characters from string?
I'm looking for a php function that will take an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
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How to remove specific element from an array using python
I want to write something that removes a specific element from an array. I know that I have to for loop through the array to find the element that matches the content.
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