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Passing a method as a parameter in Ruby
I am trying to mess around a little bit with Ruby. Therefor I try to implement the algorithms (given in Python) from the book "Programming Collective Intelligence" Ruby.
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Superscript in CSS only?
...ls with that.
The page is Appendix D. Default style sheet for HTML 4
The bits you want are:
small, sub, sup { font-size: .83em }
sub { vertical-align: sub }
sup { vertical-align: super }
share
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Dump a NumPy array into a csv file
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Writing record arrays as CSV files with headers requires a bit more work.
This example reads a CSV file with the header on the first line, then writes the same file.
import numpy as np
# Write an example CSV file with headers on first line
with open('example.csv', 'w') as fp:
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How to handle static content in Spring MVC?
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answered Dec 12 '10 at 20:27
JorisJoris
3,15022 gold badges1919 silver badges1818 bronze badges
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How to convert enum value to int?
...Or whatever
return tax.getValue();
}
(I've changed the names to be a bit more conventional and readable, btw.)
This is assuming you want the value assigned in the constructor. If that's not what you want, you'll need to give us more information.
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How to set up a PostgreSQL database in Django
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This may seem a bit lengthy, but it worked for me without any error.
At first, Install phppgadmin from Ubuntu Software Center.
Then run these steps in terminal.
sudo apt-get install libpq-dev python-dev
pip install psycopg2
sudo apt-get i...
Import .bak file to a database in SQL server
... advice, I did this and it reported that the restore was successful. But a bit of a problem still remains... the database is not listed in the object explorer. I try "attach", and it even has the correct .mdf file available (I presume a product of the restore). If I attempt the attach, it throws an ...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
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106
They are the same. Numeric is functionally equivalent to decimal.
MSDN: decimal and numeric
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Best programming aids for a quadriplegic programmer
...may be particularly useful with cursor control, which I believe is still a bit of a challenge for him. It's not until you actually have to address these types of problems that you begin to understand that some of these people are climbing Mt. Everest every single day just to do what we think nothing...
How to drop columns using Rails migration
...m is the data_type and in the optional forth you can give options. It is a bit hidden in the section 'Available transformations' on the documentation .
class RemoveFieldFromTableName < ActiveRecord::Migration
def change
remove_column :table_name, :field_name, :data_type, {}
end
end
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