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How to remove all rows in a numpy.ndarray that contain non-numeric values
Basically, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA ").
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What's the easiest way to install a missing Perl module?
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On Unix:
usually you start cpan in your shell:
# cpan
and type
install Chocolate::Belgian
or in short form:
cpan Chocolate::Belgian
On Windows:
If you're using ActivePerl on Windows, the PPM (Perl Package Manager) has much of the same functionalit...
How to write UPDATE SQL with Table alias in SQL Server 2008?
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The syntax for using an alias in an update statement on SQL Server is as follows:
UPDATE Q
SET Q.TITLE = 'TEST'
FROM HOLD_TABLE Q
WHERE Q.ID = 101;
The alias should not be necessary here though.
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What does Visual Studio mean by normalize inconsistent line endings?
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What that usually means is that you have lines ending with something other than a carriage return/line feed pair. It often happens when you copy and paste from a web page into the code editor.
Normalizing the line endings is just making sure that all of the line end...
Update just one gem with bundler
I use bundler to manage dependencies in my rails app, and I have a gem hosted in a git repository included as followed:
8 A...
Rails.env vs RAILS_ENV
I see both in examples when checking what env one is running in. What's preferred? Are they, for all intents and purposes equal?
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How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?
I'm looking for a way to generate a "Create and insert all rows" script with SQL Management Studio 2008 R2.
4 Answers
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Regular expression for a hexadecimal number?
How do I create a regular expression that detects hexadecimal numbers in a text?
11 Answers
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Run a Docker image as a container
After building a Docker image from a dockerfile , I see the image was built successfully, but what do I do with it? Shouldn't i be able to run it as a container?
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Input and Output binary streams using JERSEY?
I'm using Jersey to implement a RESTful API that is primarily retrieve and serve JSON encoded data. But I have some situations where I need to accomplish the following:
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