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ActiveRecord: List columns in table from console
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215
This will list the column_names from a table
Model.column_names
e.g. User.column_names
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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Hide console window from Process.Start C#
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120
I had a similar issue when attempting to start a process without showing the console window. ...
What was the strangest coding standard rule that you were forced to follow? [closed]
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112 Answers
112
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Python Requests - No connection adapters
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2 Answers
2
Active
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ALTER TABLE to add a composite primary key
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428
ALTER TABLE provider ADD PRIMARY KEY(person,place,thing);
If a primary key already exists the...
Check if a key exists inside a json object
...mt: "10.00",
email: "sam@gmail.com",
merchant_id: "sam",
mobileNo: "9874563210",
orderID: "123456",
passkey: "1234"
}
you can find the details here
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Ruby on Rails: How do I add placeholder text to a f.text_field?
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271
With rails >= 3.0, you can simply use the placeholder option.
f.text_field :attr, placehol...