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How to pass arguments into a Rake task with environment in Rails? [duplicate]
...amp;A above had a typo here : #{:message}
end
This is how you invoke it (http://guides.rubyonrails.org/v4.2/command_line.html#rake):
rake "hello[World]"
For multiple arguments, just add their keywords in the array of the task declaration (task :hello, [:a,:b,:c]...), and pass them comma sepa...
How to alter a column and change the default value?
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As a follow up, if you just want to set a default, pretty sure you can use the ALTER .. SET sy...
Where are static variables stored in C and C++?
...n this concept:
here is very good link explaining these concepts:
http://www.inf.udec.cl/~leo/teoX.pdf
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Difference between “change” and “input” event for an `input` element
..."\nOn blur | " + this.tagName + " | " + this.value);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="text" />
<select>
<option>Alice</option>
<option>Bob</option>
<option>Caro...
How to interpolate variables in strings in JavaScript, without concatenation?
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Justin EthierJustin Ethier
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Trying to mock datetime.date.today(), but not working
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For what it's worth, the Mock docs talk about datetime.date.today specifically, and it's possi...
python dataframe pandas drop column using int
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Drop multiple columns like this:
cols = [1,2,4,5,12]
df.drop(df.columns[cols],axis=1,inplace=...
How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
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The WM_CONCAT function (if included in your database, pre Oracle 11.2) or LISTAGG (starting Or...
How to set a default value for a datetime column to record creation time in a migration?
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You can add a function in a model like this:
before_create :set_foo_to_now
def set_foo_to...
“/usr/bin/ld: cannot find -lz”
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For x64 install zlib1g-dev.
sudo apt-get install zlib1g-dev
I don't need all the x86 libs ;)
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